Speidel's FS-MO and AS-MO tanks are their flagship storage and fermentation tanks. Featuring a huge range of tank capacities, these tanks can be customized with a wide array of add-on features, and can be stacked to take advantage of vertical space in your facility. The FS-MO tank is the tank used for the base, and up to two AS-MO tanks stack on. Please note that with each diameter range there is a maximum total volume for all tanks in a stack shown below, due to the weight of the tanks when full. Key Features Tank walls and base in AISI304 stainless, tank top is AISI316 stainless for additional SO2 gas resistance Base tanks from 200cm and up in height, and all stacking tanks, include a ladder support bow TC Ferrule on tank top for affixing a valve, bung or blowoff tube. TC racking port is strong enough to support a tank mixer. TC pocketed tank base drains completely 1.5" TC Fittings on tanks up through 1,600L. 2" Fittings on tanks 1,601L and up. Larger fittings available by request All tanks outfitted with DN10 threaded port to accommodate a sample valve (Valve part number H587) All tanks feature a weld-free, molded oval racking door/manway All tanks are pre-equipped with a DN10 threaded port and mounting points to affix a sight gauge at any time.   Tank Diameter Maximum Total Volume of Tank Stack 82 cm 1265 Liters 100 cm 2500 Liters 120 cm 4600 Liters 140 cm 6700 Liters 160 cm 10000 Liters 180 cm 12500 Liters 200 cm 16300 Liters Click Here for more information on the key features of all Speidel Tanks.

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Speidel's FS-MO and AS-MO tanks are their flagship storage and fermentation tanks. Featuring a huge range of tank capacities, these tanks can be customized with a wide array of add-on features, and can be stacked to take advantage of vertical space in your facility. The FS-MO tank is the tank used for the base, and up to two AS-MO tanks stack on. Please note that with each diameter range there is a maximum total volume for all tanks in a stack shown below, due to the weight of the tanks when full. Key Features Tank walls and base in AISI304 stainless, tank top is AISI316 stainless for additional SO2 gas resistance Base tanks from 200cm and up in height, and all stacking tanks, include a ladder support bow TC Ferrule on tank top for affixing a valve, bung or blowoff tube. TC racking port is strong enough to support a tank mixer. TC pocketed tank base drains completely 1.5" TC Fittings on tanks up through 1,600L. 2" Fittings on tanks 1,601L and up. Larger fittings available by request All tanks outfitted with DN10 threaded port to accommodate a sample valve (Valve part number H587) All tanks feature a weld-free, molded oval racking door/manway All tanks are pre-equipped with a DN10 threaded port and mounting points to affix a sight gauge at any time.   Tank Diameter Maximum Total Volume of Tank Stack 82 cm 1265 Liters 100 cm 2500 Liters 120 cm 4600 Liters 140 cm 6700 Liters 160 cm 10000 Liters 180 cm 12500 Liters 200 cm 16300 Liters Click Here for more information on the key features of all Speidel Tanks.

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Speidel's FS-MO and AS-MO tanks are their flagship storage and fermentation tanks. Featuring a huge range of tank capacities, these tanks can be customized with a wide array of add-on features, and can be stacked to take advantage of vertical space in your facility. The FS-MO tank is the tank used for the base, and up to two AS-MO tanks stack on. Please note that with each diameter range there is a maximum total volume for all tanks in a stack shown below, due to the weight of the tanks when full. Key Features Tank walls and base in AISI304 stainless, tank top is AISI316 stainless for additional SO2 gas resistance Base tanks from 200cm and up in height, and all stacking tanks, include a ladder support bow TC Ferrule on tank top for affixing a valve, bung or blowoff tube. TC racking port is strong enough to support a tank mixer. TC pocketed tank base drains completely 1.5" TC Fittings on tanks up through 1,600L. 2" Fittings on tanks 1,601L and up. Larger fittings available by request All tanks outfitted with DN10 threaded port to accommodate a sample valve (Valve part number H587) All tanks feature a weld-free, molded oval racking door/manway All tanks are pre-equipped with a DN10 threaded port and mounting points to affix a sight gauge at any time.   Tank Diameter Maximum Total Volume of Tank Stack 82 cm 1265 Liters 100 cm 2500 Liters 120 cm 4600 Liters 140 cm 6700 Liters 160 cm 10000 Liters 180 cm 12500 Liters 200 cm 16300 Liters Click Here for more information on the key features of all Speidel Tanks.

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Speidel's FS-MO and AS-MO tanks are their flagship storage and fermentation tanks. Featuring a huge range of tank capacities, these tanks can be customized with a wide array of add-on features, and can be stacked to take advantage of vertical space in your facility. The FS-MO tank is the tank used for the base, and up to two AS-MO tanks stack on. Please note that with each diameter range there is a maximum total volume for all tanks in a stack shown below, due to the weight of the tanks when full. Key Features Tank walls and base in AISI304 stainless, tank top is AISI316 stainless for additional SO2 gas resistance Base tanks from 200cm and up in height, and all stacking tanks, include a ladder support bow TC Ferrule on tank top for affixing a valve, bung or blowoff tube. TC racking port is strong enough to support a tank mixer. TC pocketed tank base drains completely 1.5" TC Fittings on tanks up through 1,600L. 2" Fittings on tanks 1,601L and up. Larger fittings available by request All tanks outfitted with DN10 threaded port to accommodate a sample valve (Valve part number H587) All tanks feature a weld-free, molded oval racking door/manway All tanks are pre-equipped with a DN10 threaded port and mounting points to affix a sight gauge at any time.   Tank Diameter Maximum Total Volume of Tank Stack 82 cm 1265 Liters 100 cm 2500 Liters 120 cm 4600 Liters 140 cm 6700 Liters 160 cm 10000 Liters 180 cm 12500 Liters 200 cm 16300 Liters Click Here for more information on the key features of all Speidel Tanks.

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Speidel's FS-MO and AS-MO tanks are their flagship storage and fermentation tanks. Featuring a huge range of tank capacities, these tanks can be customized with a wide array of add-on features, and can be stacked to take advantage of vertical space in your facility. The FS-MO tank is the tank used for the base, and up to two AS-MO tanks stack on. Please note that with each diameter range there is a maximum total volume for all tanks in a stack shown below, due to the weight of the tanks when full. Key Features Tank walls and base in AISI304 stainless, tank top is AISI316 stainless for additional SO2 gas resistance Base tanks from 200cm and up in height, and all stacking tanks, include a ladder support bow TC Ferrule on tank top for affixing a valve, bung or blowoff tube. TC racking port is strong enough to support a tank mixer. TC pocketed tank base drains completely 1.5" TC Fittings on tanks up through 1,600L. 2" Fittings on tanks 1,601L and up. Larger fittings available by request All tanks outfitted with DN10 threaded port to accommodate a sample valve (Valve part number H587) All tanks feature a weld-free, molded oval racking door/manway All tanks are pre-equipped with a DN10 threaded port and mounting points to affix a sight gauge at any time.   Tank Diameter Maximum Total Volume of Tank Stack 82 cm 1265 Liters 100 cm 2500 Liters 120 cm 4600 Liters 140 cm 6700 Liters 160 cm 10000 Liters 180 cm 12500 Liters 200 cm 16300 Liters Click Here for more information on the key features of all Speidel Tanks.

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Speidel's FS-MO and AS-MO tanks are their flagship storage and fermentation tanks. Featuring a huge range of tank capacities, these tanks can be customized with a wide array of add-on features, and can be stacked to take advantage of vertical space in your facility. The FS-MO tank is the tank used for the base, and up to two AS-MO tanks stack on. Please note that with each diameter range there is a maximum total volume for all tanks in a stack shown below, due to the weight of the tanks when full. Key Features Tank walls and base in AISI304 stainless, tank top is AISI316 stainless for additional SO2 gas resistance Base tanks from 200cm and up in height, and all stacking tanks, include a ladder support bow TC Ferrule on tank top for affixing a valve, bung or blowoff tube. TC racking port is strong enough to support a tank mixer. TC pocketed tank base drains completely 1.5" TC Fittings on tanks up through 1,600L. 2" Fittings on tanks 1,601L and up. Larger fittings available by request All tanks outfitted with DN10 threaded port to accommodate a sample valve (Valve part number H587) All tanks feature a weld-free, molded oval racking door/manway All tanks are pre-equipped with a DN10 threaded port and mounting points to affix a sight gauge at any time.   Tank Diameter Maximum Total Volume of Tank Stack 82 cm 1265 Liters 100 cm 2500 Liters 120 cm 4600 Liters 140 cm 6700 Liters 160 cm 10000 Liters 180 cm 12500 Liters 200 cm 16300 Liters Click Here for more information on the key features of all Speidel Tanks.

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.  

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.  

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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The FO Variable Volume tank is Speidel's flagship Variable Volume tank for storage. Available in 28 different capacities from 1,100L up to over 15,000L. Each tank has multiple cooling jacket styles and a host of other optional add-ons available. Truly customizable to your winery's needs! Key Features Available in 28 sizes covering 6 different tank diameters from 1,100L to 15,200L (larger tanks available with special shipping arrangements) 1,100L & 1,650L Tanks equipped with 1.5" TC racking and drainage ports. All other tanks equipped with 2" TC. Larger fittings available by request Reinforced racking ports prevent tank wall flex and can support the weight of a tank mixer. All tanks have welded-on mounting points for lid lifting arms. Tanks from 1,650L include a lifting arm; from 2,200L up the arm is winch-operated Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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Speidel's BO style tank is a flat bottomed, variable volume tank for basic storage of wine. A no-frills tank that's just rock solid. For a pre-configured version of this tank style that can be pre-ordered for wine season please see our GER110VF, GER220VF, GER290VF and GER650VF tanks.  Key Features Available from 110L to 1600L effective capacity. Stated tank volumes do not include the extra wall height needed to secure the lid when the tank is full. Tanks can contain their stated volume of wine. Up to 290L tanks have a 17mm wide lid flange, larger tanks have a 42mm flange 110L & 220L tanks have 3/4" female BSP bottom port, 290L, 650L, 1100L, & 1600L Tanks have 1" male BSP bottom port. Liter scale on tank exterior. 1,600L tank includes a lifting arm for the lid. Click Here for more information on the key features of all Speidel Tanks. Note: Over tightening the airlock / orange bulk head can cause it to crack. Only thread the airlock down until it feels snug. Do not over tighten.    

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