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Low Pressure Check Valves

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  • Superior Valve Co.

    Superior Valve provides low pressure check valves to the petrochemical and power plant industries. Their over two dozen models come in carbon/stainless, cast bronze, ductile iron, carbon steel, stainless steel and cast iron materials. Types of low pressure check valves include short pattern wafer, threaded in-line silent, swing wafer single disc, wafer style dual disc, globe style flanged, wafer style mini, and silent center guided designs.

  • Thermoplastic Valves, Inc. (TVI)

    TVI is the sole distributor of their own line of low pressure check valves. Their horizontal swing check valves employ a 3/4"-8" flanged design with a molded thermoplastic body, disc assembly, bonnet and shaft. These check valves are of low pressure drop design. There are nearly a dozen models to choose from.

  • Autoclave Engineers, Div. Of Snap-tite, Inc.

    Autoclave Engineers are designers and producers of low pressure ball and O-ring check valves. Where leak-tight shut-off is not mandatory low pressure ball check valves can prevent reverse flow. Low pressure O-ring check valves also come in four models and are designed to provide unidirectional flow and tight shut-off for liquids and gases.

  • Velan

    Velan is a provider of industrial check valves. Their bolted cover piston check valves are a low pressure design that come in a size range of 2 1/2 - 14" (65 - 350 mm), are pressure rated at ASME Class 150 - 1500, and feature socket or butt weld standard connections. Low pressure seal piston check valves are also available.

  • General Air Products, Inc.

    General Air Products are manufacturers, engineers and distributors of low pressure check valves. Applications include the compressed air, pressure washer, automotive, fluid power, fire protection, specialty gas and pneumatic industries. Three low pressure types are available; ASME safety valves, in-tank check valves, and in-line cast brass check valves.

  • Check-All Valve

    Check All Valve offers Style U3 (UN-3) universal low pressure (to 3000 psi) check valves. These are of a single piece construction designed for minimum pressure drop. Available materials include 316 stainless steel, alloy 20, brass, carbon steel, Hastelloy B and C, and Monel.

  • Valve Check, Inc.

    Valve Check is a designer and manufacturer of check and relief valves. The H6200 Series check valves are designed for low pressure applications and come in over a half dozen models. End connections available include 1/8" MNPT x MNPt, 1/8" MNPT x FNPT, 1/4" BSPP male x male, 3/8" MNPT x MNPT, and 1/2" MNPT x FNPT. All offer 125 psi maximum pressure.

  • Smart Products, Inc.

    Smart Products, located in California, designs and manufactures low pressure check valves. For ultra low-pressure applications many Smart check valves employ a low inertia poppet design with double-tapered O-ring seats for a positive seal. Types include cartridge, NPT, modular and miniature designs.

  • Generant

    Generant is a manufacturer of low pressure check valves in many configurations. Design types include high flow poppet, compact one piece poppet, compact economical, adjustable crack pressure poppet, inline, and disc styles. Generant can create custom low pressure check valves for unique applications.

  • Circle Valve Technologies Inc.

    Circle Valve Technologies, Inc. is a distributor of valve products from a variety of manufacturers. Available products include the C2900 series cartridge check valves with features such as compact design, curved poppet face and zero leak design.