Pokorney Mfg. Co. - Addison, IL
Manufacturer, Custom Manufacturer
Manufacturer of spring loaded check valves designed for use on air compressors, gas pumps or any application on water, oil or gas lines where positive acting, non-leaking check valve is required.

United P & H Supply Co. - Milwaukee, WI (Serving Illinois)
Distributor
Distributor of spring loaded check valves. Various other types of valves include actuated, automatic control, ball, butterfly, chlorine, control, diaphragm, knife gate, sanitary, solenoid, thermoplastic, three-way, fill, flush and corrosion resistant valves. Services include valve automation, vendor managed inventory, direct order entry and EDI. Various markets served include biotech, industrial machinery, food and beverage, printing, pulp and paper, shipbuilding, residential and commercial construction and institutions.
Brand Names: Gestra
www.unitedph.com/pipeValvesFittings.html

Amazon Hose & Rubber Co. - Locations
Distributor, Service Company
Stocking distributor of valves including ball type & spring loaded check valves. Low & high pressure lever operated hose valves are also available.
www.amazonhose.com/products/hose-valves/

Kepner Products Co. - Villa Park, IL
Manufacturer, Custom Manufacturer
Custom manufacturer of spring loaded check valves made from brass, stainless steel & aluminum. Types of check valves include inline, cartridge, ball & split flange check valves. Check valves are available in various sizes, end connections & flow rates with minus 184 degrees C to plus 232 degrees C temperature & maximum pressure rating up to 6,000 psi.
Brand Names: Kepner
www.kepner.com/product.htm

Keckley Company - Skokie, IL
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom globe check valves. Features include short face to face dimension, spring preventing flow reversal & water hammer, drilled flanges which meet ASME specifications, epoxy coating & optional soft seat for bubble tight shut off. Disc is fully guided at top & bottom which prevents binding & cocking. Globe check valves are available in carbon steel, cast iron & stainless steel materials with 125 lb. to 300 lb. flanged connection & in 2 in. to 24 in. sizes with 200 psi to 740 psi working pressure at 100 degrees F or 150 degrees F temperature. Globe check valves are suitable for liquid or gas applications where protection from flow reversal in pipeline is required.
www.keckley.com/pipeline-check-valves.html

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...

American Precision Supply, Inc. - Hampshire, IL
Distributor
Distributor of engineered spring loaded in-line check valves. On-site inventory management programs and 24 hour emergency services available.
Brand Names: DFT
www.apsupplies.com/industrial-valve-supplie...

Val-Matic Valve Manufacturing Corp. - Elmhurst, IL
Manufacturer
Manufacturer Of Valves

Hoerbiger Service Inc. - Romeoville, IL
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

Grainger Industrial Supply - Locations
Distributor
Distributor of a wide variety of check valves including spring check valves, ball/check valves, iron check valves, piston check valves, forged steel piston check valves, brass check valves, swing check valves, ring check valves, flanged check valves & more. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.

Vonberg Valve, Inc. - Rolling Meadows, IL
Manufacturer
Manufacturer Of Hydraulic Valves

Bosch Rexroth Corp. - Hoffman Estates, IL
Manufacturer, Custom Manufacturer
Manufacturer & Designer Of Complete Line Of 3 & 4 Way Directional Control Pneumatic Valves From C .05 To 15.7, Including CERAM™ Valve With Sliding Ceramic Plates. Slide Valves, Spool Valves & Poppet Valves. Solenoid, Air Pilot, Manual & Mechanical Operators. Vacuum Generators & Cups; FRL's; Electro-Pneumatic Converter Valves & Positioners; Shock Absorbers; Fittings, Tubing & Hose; Flow Control Valves; Quick Exhaust Valves; Shuttle Valves; Check Valves; Relay Valves; Regulators; Timing Valves; Air Gauges