ChemValve, Inc. - Tomball, TX
Manufacturer
Manufacturer of spring loaded check valves for horizontal and any other piping installation orientation. Available in 1 in. to 8 in. sizes with 40 psi to 70 psi pressure. Features include injection molded liners, spring assisted and locking handle. Suitable for pulp and paper, power generation, inorganic and organic chemicals, pharmaceuticals, mining and smelting, water and waste treatment, fertilizers, pesticides, grain processing and oil and gas industries. Customizable options are available.
Brand Names: ChemValve
www.chemvalve.com/ap_880linedballcheckvalve...

PR Valves, LLC - South Houston, TX
Distributor, Custom Manufacturer, Service Company
Stocking distributor of check valves available in forged steel, cast steel, chrome molly, stainless steel, Monel®, Hastelloy® B & C, cast iron, ductile iron, bronze, brass & PVC. Electric, hydraulic & pneumatic actuations. Modifications include flange ups, conversions, coatings, hydro testing, packing changes & trim changes.
Brand Names: CAMERON, Contromatics, Edwards Signaling, Flowtek, Hancock, Kitz, Orbit, Smith, WKM, Walworth
www.prvalves.com/valves.html

Rainey Engineering, Inc. - Houston, TX
Distributor, Custom Manufacturer, Manufacturers' Rep
Stocking distributor of spring loaded check valves.
www.raineyeng.com/valves.htm

Hy-Lok USA - Houston, TX
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2040 certified custom manufacturer of spring loaded check valves. Materials for spring loaded check valves include 316 stainless steel & brass. Specifications of check valves include 6000 psi pressure, minus 10 degrees F to plus 400 degrees F temperature & 0.67 Cv to 4.7 Cv flow coefficient. Check valve end connections include tube fittings & male or female NPT, ISO & BSP threads. Meets ASME standards.
www.hylokusa.com/products/valves/check-reli...

Spring Loaded Check Valves Products
	Check and Relief Valves

Stockton Valve Products, Inc. - Houston, TX
Distributor, Custom Manufacturer, Service Company
Distributor of plastic check valves including wafer, double door & spring loaded check valves. Materials include Monel®, Hastelloy®, stainless steel, steel, zirconium, brass, bronze & plastic.
Brand Names: A-T Controls, ASCO, AquaMatic, Aquamatic, C&C, CAMERON, CLA-VAL, CVS, Chem Oil, Deltech, Demco,...
stocktonvalve.com/products/valves/checkvalv...

Ryan Herco Flow Solutions - Locations
Distributor
Worldwide distributor of spring loaded check valves. Check valves also include plain end check valves, threaded end check valves, wafer style check valves, flanged end check valves, victaulic end check valves, ball check valves, disc check valves, swing check valves & diaphragm check valves. Materials include PVC, CPVC, polypropylene & PVDF. Markets served include water, health, electronics, chemicals & waste. ISO 9000 compliant.
Brand Names: Chemplast, Dwyer, Hayward, KBI, Micromold, Plast-O-Matic, Spears
webcat.rhfs.com/categorylist.aspx?catID=F32...

World Wide Metric, Inc. - Locations
Distributor
Distributor of spring loaded check valves including DIN & ANSI check valves. Types include wafer check, wafer disc bronze, wafer disc stainless steel, cast iron duo & cast steel duo check valves. Stock items are also available. Same day shipping.
products.worldwidemetric.com/category/valve...

Spring Loaded Check Valves Products
	PN 16 Wafer Check Valves, Wafer Style Long Valve Duo Check Valves, Cast Iron Duo Check Valves, Cast Steel More

DK-LOK U.S.A. - Locations
Manufacturer
ISO 9001:2008 & ISO 14001:2004 certified. Manufacturer of spring loaded check valves including poppet check valves made from 316 stainless steel & brass. Specifications include pressure up to 3,000 psig, temperature up to 190 degrees C, 1/8 in. to 1 in. OD & 1/8 in. to 1 in. pipe thread size. Valves are available with bodies, connectors, poppets, O-rings, spring & O-ring seals. Meets OHSMS 18001, ASME & API standards.
Brand Names: D-Pro
catalog.dklokusa.com/category/check-valves

Lone Star Supply Co. - Texas City, TX
Distributor
Distributor of check valves. Products available include piston, spring loaded, stop, swing & tilting disc check valves. Available in both forged steel & cast steel. Also available in alloys including WC1, LCC, C5 & N-12MV in cast steel & A105, LF2, 304, 316 & C276 in forged steel. Available sizes include 1/2in. to 36in. in cast steel & 1/4in. to 3in. in forged steel. Available in class 150 to 2500. For the industrial & petrochemical industries.

Ham-Let USA Inc - Sugar Land, TX
Distributor, Manufacturer, Custom Manufacturer
ISO 9002 certified worldwide manufacturer of spring loaded check valves made from stainless steel & brass. Specifications of check valves include 3,000 psi & 6,000 psi operating pressure, interchangeable parts, & male & female NPT & HTC face seal bead ends. Check valves are available as 1-piece, & fixed & adjustable pressure valves. Meets Military Specs, ASME, ASTM & Six Sigma standards.

Hoerbiger America Rings & Packing Inc. - Houston, TX
Distributor, Manufacturer
Manufacturers Of Assorted Valves; Crank Case Relief, Air Compressor, Compressor, Reed, Poppet, Suction, Pneumatic, Control, Butterfly, Pressure, Pressure Control, Pressure Reducing, Pressure Regulating, Pressure Relief, Vent, Bleed, Stop, Oil & Thermostatic. Also Manufacturers Of Diaphragm Cylinders; Cylinder Liners; Compressor Pistons & Throttle Controls. Inspects, Maintains & Repairs Various Products Including Valves. Applicable Industries Include: Natural Gas & Oil, Chemical & Petrochemical

Hoerbiger Service Inc. - Robstown, TX
Distributor, Service Company
Valve & compressor repairing & reconditioning service

FM Valve Co. - Houston, TX
Manufacturer
Safety-Relief & Inline Check Valves

Newmans Valve - Houston, TX
Manufacturer, Service Company
Valve Manufacturer. Wide Variety Of Valves & Components

Adams Valves, Inc. - Houston, TX
Manufacturer, Custom Manufacturer
Manufacturer Of Valves

Texas Compressor, A. Div. of Hoerbiger Service Inc. - Houston, TX
Distributor, Manufacturer
Manufacturer & Distributor Of Compressors

Corr Tech, Inc. - Houston, TX
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
Corrosion Resistant & High Purity Fluid & Air Handling Products: Pipe & Fittings, Valves, Pumps, Tanks, Instrumentation, Structural Materials, Dual Containment, Tubing, Duct & Scrubber Systems, Hose Fittings, Expansion Joints, Sheets, Bars, Plastic & Fiberglass Products

Hoerbiger Service Inc. - Houston, TX
Distributor, Manufacturer, Service Company
Manufacturer Of Compressor Valves; Repairing & Rebuilding Service

Superior Valve Co. - Houston, TX
Distributor
Distributor of check valves that include ball type, double door, dual, forged steel, high pressure, lift type, piston, spring loaded, stainless steel, tilting disc, stop & check & wafer. Materials are available in stainless steel, carbon, Monel® & other exotics.