Established in 1988, Qixin Engineering Machinery Co., Ltd. is a professional China expansion tank manufacturer and wholesaler . Our products performance is certificated and recognized by National Quality Supervision and Inspection Center for Construction Machinery. Insisting on technology innovation and product development, we have built close relationship with some famous machinery research institutes and colleges. We have been endeavoring to build a sound internal quality system in accordance with ISO9001 standard for a long time and has received the ISO9001:2000 Certificate in 2001. Our custom expansion tanks have passed the evaluations of TUV, CE, GS, EMC and RoHS certifications and can meet all market design demands and customers' samples.

Watts PLT-5 Potable Water Expansion Tank (0067370)3/4" male connection, tank volume 2.1 gallon. Series PLT Potable Water Expansion Tanks are used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T&P relief valve setting. It is a pre-pressurized, field-adjustable steel tank with an FDA-approved polypropylene liner and Butyl rubber diaphragm, and copper-lined steel, 3/4 in. male inlet connection. An expansion membrane prevents air-to-water contact in the tank ensuring a long system life. IAPMO listed and ANSI/NSF 61 certified. Maximum Pressure: 150psi (10 bar).Maximum Temperature: 160;Size Range: 3/4 in. (20mm)

Amtrol 30 EXTROL Expansion Tank, 4.4 Gallon (102-1)Amtrol EXTROL 30 Expansion Tank Features:; For use with closed hydronic heating and cooling systems; Factory pre-charged to 12 psig; Pre-charge should be adjusted to equal minimum operating pressure at tank location; Maximum working pressure: 100 psig; Maximum operating temperature: 240;F; Though product can be mounted horizontally, this can decrease the life of the product.Amtrol EXTROL 30 Expansion Tank Specifications:; Model Number - 30; Tank Volume (Gallons) - 4.4; Max. Accept. Volume (Gallons) - 2.5; A Height (Inches) - 15 1/2; B Diameter (Inches) - 11; System Conn. (NPTM) - 1/2; Maximum Working Pressure = 100 PSIG; Maximum Operating Temperature = 240;F; Factory Precharge = 12 PSIG. Steel shell, polypropylene liner, butyl diaphragm, brass system connection. 200 degree F maximum operating temperature, 150 PSI maximum workingpressure. 40 PSI factory pre charge.

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