DFT Inc. - Exton, PA
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified custom manufacturer of silent check valves for air & gas applications. Types of check valves include threaded, wafer & flanged valves. Valves are made from various materials including carbon steel, stainless steel & cast iron. Valves are available in various models, piping configurations & temperatures with specifications including 1/4 in. to 24 in. line size & 450 psi to 6,000 psi cold working pressure. Features include springs, O-rings, guard cages, seats, discs, gaskets, bolts, bushings & stems. Meets ANSI standards.
Brand Names: ALC, DFT, DLC, PDC, SCV
catalog.dft-valves.com/category/in-line-che...

Silent Check Valves Products
	Wafer Check Valves Flanged Check Valves SCV-R® In-Line Restrictor Check Valves More

Colton Industries - Buffalo, NY
Manufacturer, Custom Manufacturer
Custom manufacturer of silent check valves. Types include threaded, wafer pattern and flanged silent check valves. Materials include cast iron, stainless steel and cast steel. Valves are available in various types and in 1/4 in. to 24 in. sizes with 720 psi maximum operating pressure at 100 degrees F temperature and 3 Cv to 323 Cv flow coefficient. Various features include horizontal and vertical upward flow patterns, three-piece design, ANSI flanges, plugs, seats, springs and flanged ends.
products.coltonind.com/category/silent-chec...

Silent Check Valves Products
	Wafer Pattern Silent Check Valve - Cast Iron Flanged Silent Check Valve - Cast Iron Flanged Silent Check Valve - Cast Steel/Stainless Steel More

Crispin-Multiplex Mfg. Co. - Berwick, PA
Manufacturer
Manufacturer of globe silent check & spring loaded valves. Valves are available in cast iron body & bronze trim & stainless steel spring with sizes ranging from 2 1/2 in. to 36 in. & maximum temperature of 150 degrees F. Features of valves include double guided, & can be vertically or horizontally mounted.
Brand Names: Crispin
www.crispinvalve.com/globe.htm

Check All Valve Manufacturing Co. - West Des Moines, IA
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified manufacturer & designer of spring loaded silent check valves. Types of valves include flange, lined pipe, sanitary, union, straight sided & glass pipe insert, sanitary cartridge, low & high pressure, socket weld, connector, bushing, horizontal, vertical flanged, miniature & tubing valves. Materials include carbon & stainless steel, high & non-ferrous alloys & titanium & nickel alloys. Specifications of valves include 1.25 in. to 20 in. nominal dia., pressure up to 10,000 psig & -196 degrees C to +593 degrees C storage temperature. Suitable for chemical, petrochemical, pharmaceutical, food & dairy & OEM applications. CE certified.
Brand Names: Check-All
www.checkall.com/catalog.html

The Kraissl Co., Inc. - Hackensack, NJ
Manufacturer, Custom Manufacturer
Manufacturer of simplex duplex strainers, transfer valves & positive placement pumps for fuel oil transfer & pipeline service.
kraissl.rtrk.com/?scid=853669&rl_alt=http%2...

AB Industrial - West Chester, PA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer & distributor of silent check valves. Full port, stainless steel, PTFE, flange, NPT.
Brand Names: Apollo, Bonny Forge, Conbraco, Crane, Grinnell, Islip, Nibco, Spears, Sure Flow, Techno, Tyco, WKM,...
www.abpump.com/strainers_valves.php

U.S. Valve, LLC - Linthicum Heights, MD
Manufacturer, Custom Manufacturer
Specializing in the design & manufacturing of high performance check valves & ball valves that feature low pressure drop & the highest CV available. Full port, double disc check valves are intended to produce flow that is as close as possible to laminar resulting in longer life & lower maintenance. Customer connections include npt, flanged, wafer type, welded ends & grooved (Victaulic) ends. Three-piece valves allow for inspection & removal from a piping system with relative ease. Custom design valves from OEMs for specific applications.
www.usvalve.com

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

Delta Pacific Valve Mfg. Co. - Hauppauge, NY
Distributor, Manufacturer
Manufacturer & distributor of full & reduced-opening swing check valves dual-plate wafer check valves, metal & resilient-seated valves, tilting disc check valves, lift, piston & silent check valves.
Brand Names: DPV
www.deltapacificvalve.com/products/check.ht...

Turnkey Industrial Pipe & Supply, Inc. - Whittier, CA
Distributor
Distributor of silent check valves. Capabilities include custom cutting, threading and machine grooving. Items are available in stock. Same day and scheduled delivery.
Brand Names: Strataflo
www.turnkeyips.com/manufacturers.html

Kepner Products Co. - Villa Park, IL
Manufacturer, Custom Manufacturer
Custom manufacturer of silent check valves made from brass, stainless steel & aluminum. Types of check valves also 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 wafer silent check valves. Features include short face to face dimension, spring preventing flow reversal & water hammer, epoxy coating & optional soft seat for bubble tight shut off. Disc is fully guided at top & bottom which prevents binding & cocking. Discs of wafer silent check valves open with less than 1/2 lbs. per sq. in. pressure. Wafer silent check valves are available in carbon steel, cast iron & stainless steel materials in 2 in. to 12 in. sizes with 200 psi to 740 psi working pressure at 100 degrees F or 150 degrees F temperature. Wafer silent 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

Pro Dyne Corp. - Phoenixville, PA
Distributor, Custom Manufacturer, Manufacturers' Rep, Service Company
Stocking distributor of resilient seated & silent check valves made from rubber. Wafer & swing type check valves are also available.
www.prodynecorp.com/other_products_services...

CPV Manufacturing, Inc. - Philadelphia, PA
Distributor, Manufacturer
Manufacturer of valves including spring loaded silent check valves for controlling hazardous pressure surges & water hammer. Specifications include 1/2 in. to 24 in. size, 125 psi to 2,500 psi pressure & -20 degrees F to +650 degrees F operating temperature. Various features include stainless steel helical springs, metal seats & stainless steel discs. Options include bronze body, union nut & tail piece & stainless steel guides, retaining rings & discs. Silent check valves are also suitable for heating systems & condensate return lines. Meets ANSI standards.
Brand Names: FloMaster, G-Series, O-Seal
www.cpvmfg.com/cat800/overview.shtml

Metropolitan Pipe & Supply Co., Inc. - Cambridge, MA
Distributor
Distributor of silent check valves. Wafer style silent check valves & globe style silent check valves,
Brand Names: Nibco
www.metpipe.com/products/

Marr Valve Co., Div. of The Specialty Mfg. Co. - Granite Falls, MN
Manufacturer, Custom Manufacturer
Manufacturer of check valves such as high pressure check valves, hydraulic check valves, piston check valves, plastic check valves, & silent check valves. Operating pressure ranging from 1 psi - 150 psi, operating temperature from -25 - 250 degrees F, air flow rate of 2.5 SCFM at 50 psi, & CV from 0.03 - 0.06. Features include brass stems, nickel plated body & panel nuts, 302 stainless steel spring, & 1/2 in. panel holes. Seal options include Buna-N, ethylene propylene, & fluoroelastomer (Viton®).
www.marrvalve.com/check_valves/check_valve....

Sure Flow Equipment, Inc. - Tonawanda, NY
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2008 certified manufacturer of silent check valves. Silent check valves are available in styles including wafer & globe. Silent check valves are available in sizes ranging from 2 in. to 24 in. & temperatures ranging from 100 degrees F to 150 degrees F. Features include guided discs, vertical or horizontal installations & quite operations. Materials include carbon steel & stainless steel. Applications include municipal water systems, industrial class HVAC - liquid services, industrial piping system & irrigation systems.
www.sureflowequipment.com/check_valves/

Authorized Parts - Deer Park, NY
Distributor, Custom Manufacturer
Manufacturer & distributor of a wide range of replacement parts & custom-designed OEM components for energy systems. Products include boiler fittings, generator & welding machine parts, electrical power generation controls, process system spares, heavy machinery components. Electrical items include motor controls, switches, starters, transfer switches, contactors, relays, solenoids, transformers. From 10 amp to 1,500 amp in both A/C & D/C configurations. Mechanical items include valves, gauges, lubricators, swing joints, boiler components. All industries served.
Brand Names: Aloyco, Bonney Forge, Cam-Line, Cam-Tite, Chapman, Conval, Crane, Crane, DeZURIK, Dia-Flo,...
www.authorizedparts.com

Cole Industrial & Technical Supply Co. - Tampa, FL
Distributor, Custom Manufacturer
Distributor of valves including silent check valves. Types include wafer check valves, globe style flanged check valves, double disc check valves, globe style screwed check valves, grooved end check valves & UL® rated valve for tight spaces.
www.coleindustrial.com/Check-Valves/

Metraflex Co. - Chicago, IL
Manufacturer, Custom Manufacturer
Manufacturer of silent check valves including globe & wafer style silent check valves. Specifications include vary upon models & include 2 in. to 36 in. pipe size, 4.75 in. to 46 in. OD, 150 psi to 400 psi pressure & 125 lbs. to 250 lbs. capacity. Silent check valves are constructed of cast iron body with bronze or stainless steel trims & Buna seats. FM approved silent check valves are also available.
Brand Names: Metraflex
www.metraflex.com/valves.php

Silent Check Valves Products
	Silent Check Valve Wafer Style Silent Check Valve

Radon Control, Inc./Crawlspace Supply International - Carmel, IN
Distributor, Manufacturer, Custom Manufacturer
Distributor of check valves including silent check valves. Silent check valves are specially designed for low/no noise flow applications. Silent check valves feature clear plastic design construction & water backflow protection. Silent check valve can fits on fitting sizes from 1.5 in. to 2 in.
www.radoncontrol.com/page.asp?id=2&catid=13...

Halogen Supply Co., Inc. - Chicago, IL
Distributor
Stocking distributor of silent check valves for swimming pool & spa applications. Valves are available in 3 in. to 10 in. sizes with bronze to bronze seating & stainless steel spring controls.
Brand Names: Titan
halogensupply.thomasnet-navigator.com/viewi...

Plant Equipment - Plymouth, MN
Distributor
Distributor of silent wafer check valves for lower pressure drop applications. Specifications include size from 1 in. to 12 in., 250 psi WOG to 1480 psi WOG at 100 degrees F & 10 bar to 102 bar at 38 degrees C to 65 degrees C. Material used includes ductile iron, bronze, carbon steel & stainless steel. Valve prevents flow reversal, eliminates water hammer, vibration, system surges & noise, field repairable, disc travel full open & bubble tight shut off & 50 psi cracking pressure.
www.plantequip.com/C-Mueller.pdf

TRIFLOW Corp. - West Berlin, NJ
Distributor, Custom Manufacturer, Manufacturers' Rep
Distributor of silent check valves, spring loaded check valves, stainless steel check valves, stop check valves & wafer check valves. Types of check valves also include integral flapper, dual plate check valves, multi-function check valves, turbine non-return check valves & Y-globe stop check valves.
Brand Names: Apco, CheckMate, DeZURIK, Tideflex
www.triflowcorp.com/products.htm

Guenther Supply, Inc. - Fond Du Lac, WI
Distributor, Custom Manufacturer, Service Company
Distributor of valves including silent check valves. Services include custom hose assembly & in-house valve actuation.
Brand Names: Mueller Steam Specialty
www.guenthersupply.com/valves.htm