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About Check-All Valve Mfg. Co.

Check-All Valve manufactures a complete line of in-line spring-loaded poppet check valves to serve a wide range of industries. Every Check-All valve is designed and built to perform to your exact needs and specifications. Our valves are offered with metal-to-metal or soft seats in sizes ranging from 1/8” NPT to 20” flanged connections. Spring cracking pressures range from 1/8-PSI to 85-PSI and virtually any setting in between. Pressure ratings are available from full vacuum to 10,000 PSI with standard and exotic materials of construction also available.

Check-All valves are engineered for silent operation.  They close quickly and smoothly to eliminate hammer noise.  They are designed to function equally well in either a vertical or horizontal position, with proper spring selection.  They are also designed to reduce installation costs.

With many styles available, Check-All Valve provides check valves for practically every service application. With their rugged, dependable Check-All trim, they can be used as check valves, low pressure relief valves, and vacuum breakers by selecting any of their wide range of spring settings and seat materials.  The Company is ISO 9001 certified and manufactures product lines compliant with CE/PED requirements, Canadian Registration Number guidelines, 3A Sanitary Standards, NACE MR0175/ISO 15156 and NACE MR0103 and others.

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