The KEEP Co. - Marble Falls, TX
Distributor, Manufacturer, Custom Manufacturer
Distributor of check & bleeder valves in stainless & carbon steel & break off plugs in brass or Monel®. Products also include metal banding, seals, tapes & sleeves. Same-day shipping available.

Westflow Company - Sunnyvale, CA
Distributor, Manufacturers' Rep
Manufacturers rep. & distributor of stainless steel check valves. Also available in PVC & A20 materials. Types of valves also include electric boom valves, ball valves, sprayer valves, solenoid valves & regulating valves.
Brand Names: Jaeco

Columbia Basin Hotsy - Pasco, WA
Distributor, Service Company
Distributor of stainless steel check valves. Available in 1/4 in. female x 1/4 in. female & 3/8 in. female x 3/8 in. female sizes with 5,800 psi & 6,500 psi pressure, 195 degrees F temperature & 6.5 gpm & 13.5 gpm flow.
Brand Names: Hotsy, PA

Value Plastics, Inc. - Fort Collins, CO
Manufacturer, Custom Manufacturer
Manufacturer of standard and custom bondable accessories including ball check valves made from stainless steel. Available in 5/32 in. dia. Polysulfone and lace white ABS mounting devices are also available. Capabilities include in-house product design, tooling, assembly and packaging. Stock items available.

Warren Alloy Valve & Fitting Co. LP - Houston, TX
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer & distributor of a variety of stainless steel check valves used in the chemical & petro-chemical, power generation, oil & gas, pulp & paper, food processing, mining & ship building industries.

Spence Engineering - Walden, NY
Manufacturer, Custom Manufacturer
ISO 9001 certified custom manufacturer of valves. Types of valves include air actuated, back pressure, double door check, temperature & pressure control, corrosion resistant, cryogenic relief, diaphragm, emergency shut-off, foot, gas, mixing, pilot operated, pneumatic, radiator, regulating, remote control, safety & triple duty valves. Valves are available with cast iron, carbon steel & stainless steel body, stainless steel disc, wafer flat & raised face end connections, Buna N®, ethylene propylene diene monomer & Viton® seats. Valves are suitable for bottle washing machinery, steam tables, plating tanks, heating ducts, fuel oil heaters, cooking vats, heat exchangers, induction furnaces, industrial compressors, cold storage boxes, cooling ducts, liquid chillers, water heaters & parts washers. Materials meet ASTM standards.
Brand Names: Nicholson, Rockwood Swendeman, UniFlex

Flowline Components, Inc. - Baltimore, MD
Distributor, Manufacturer, Custom Manufacturer, Service Company
Distributor of check valves including hydraulic, high pressure, & stainless steel check valves. Available check valves feature streamlined soft seated poppet with restriction to flow & positive shut off. Provided with various spring pressures & seal options compatible with various types of fluids. Comes with wide variety of end fitting configurations, elastomers & option of 316 stainless steel construction & can configured to meet various system. Check valves are designed with 4:1 safety factor at maximum working pressure of 6000 PSI & used for various application. Also available are brass & stainless steel ball valves. Comes in various features & sizes. Additional products available include filters & clamps.

Sprague Products - Brecksville, OH
Manufacturer
ISO 9001:2000 certified manufacturer of stainless steel check valves for unidirectional flow of medium under pressure. Stainless steel check valves have combined metal-plastic or soft-seat poppet type design for optimum sealing of gases & liquids. Stainless steel check valves can be used both at low & high pressures & feature pressure ratings of 30000 psi, tube dia. ranging from 9/16 in. to 1 in., & orifice ranging from 0.09 in. to 0.69 in. Standard valve seals made up of nitrile & optional materials including neoprene, Viton®, & EPR.
Brand Names: NOVA SWISS

Raritan Valve & Automation - Edison, NJ
Distributor, Custom Manufacturer, Service Company
Distributor of check valves including ball type, double door, PTFE lined & hinged metal, made of plastic, rubber, & stainless steel materials. Applications include commercial & industrial. Services include valve repair & maintenance services.
Brand Names: CAMERON, Flexible, Hayward, KTM, Lunkenheimer, MCF, Moore, Nibco, Sharpe, Techno, Ultraflo, Valvco,...

Bonetti S.p.A. - Raleigh, NC
Manufacturer, Custom Manufacturer
Manufacturer of valves. Types of valves offered include globe, gate, check, piston, bellows sealed, ball, Y, high pressure & temperature, safety & tank bottom valves. Valves are available in all materials up to ASME class 4500 per ISO-9001, ASTM, ASME, DIN & other standards. Valves can withstand temperatures up to 1032 degrees F. The largest valves are 24 in. in diameter. A few custom valves are available per special request, including needle type valves & polyethylene ball valves for natural gas service.

Precept Automation - Rock Hill, SC
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
Distributor of check valves. Includes PSIG pressures from 15 to 900, & maximum temperatures from 200 to 800 degrees F. Designed from bronze, brass, stainless steel, & cast iron.

Powell Stainless Steel Valve Sales - Deer Park, NY
Distributor, Manufacturer
Manufacturer & distributor of stop check valves made of 316 stainless steel. Features include 3 in. to 16 in. sizes, flanged & screwed ends, fire seal seats made of carbon graphite, class 150 & 300 reinforced TFE, pressure of class ANSI 150 & 300, end connection of wafer-type & lugged type flangeless, carbon steel & 316 stainless made steel body, trim, disc, stem & taper.
Brand Names: Aquatrol, Conbraco, Walworth

Dynatrol, Inc. - Great Neck, NY
Custom Manufacturer, Manufacturers' Rep
Stainless steel check valves. Manufacturer's rep of process & mechanical equipment for the power, chemical & transportation industries, as well as the military. Full line of butterfly, ball, check, globe, gate Valves; gauges, flow measurement devices. All products available in various shapes, sizes, styles & materials.
Brand Names: Moeller, NORRISEAL, Virgo