Swagelok Company    Solon, OH 44139-3492
May 02, 2013 Suitable for surface and subsea installation, instrumentation, injection, and sampling systems, IPT series medium- and high-pressure products are made standard from cold worked, 316 stainless steel; annealed 316 stainless steel and other corrosion-resistant special alloys are available to meet NACE MR0175/ISO 15156 requirements. Series comprises check valves, trunnion ball valves, relief valves, needle valves, tubing and nipples, coned and thread connections, and coning and threading kits.

Asahi/America    Malden, MA 02148
Nov 26, 2012 Operating at max pressure of 150 psi, PVC wafer check valves install on discharge side of pumps in applications such as aquariums, water attractions, water treatment, and municipalities to prevent back-flow flooding that could damage pump systems. Body, disc, and stopper assembly are machined from solid, chemical-resistant PVC plate stock, which conforms to ASTM D1784 Cell Classification 12454A. Valves install by slip-fitting between 2 mating flanges.

Industrial Specialties Mfg, Inc.    Englewood, CO 80110
Sep 14, 2012 Standard Plastic Fittings are available with spring loaded check valve cartridges made of nylon or polypropylene with O-ring seal consisting of Buna-N, Viton, EPDM, or Silicone. Cracking pressures range from 3 in. H2O to 10 psi. Also offered, free floating ball cartridges are made of polypropylene with EPDM ball. Less than 1 psi is required to open valve, and both normal and reverse flows are available.

The Lee Company, Industrial Microhydraulics Group    Westbrook, CT 06498
Aug 23, 2012 Specifically designed for high pressure, harsh duty applications, Precision Check Valves are constructed entirely of NACE compliant, corrosion-resistant materials with MP35N poppet and seat. Units are available in forward and reverse flow directions in 5 sizes ranging from 0.125-0.500 in. in diameter.

Hayward Industrial Products Inc., Hayward Flow Control Systems    Clemmons, NC 27012
Aug 22, 2012 WCV Series Full Pattern Wafer Check Valves feature all-thermoplastic, injection molded construction, including angle seat and disc design that promotes flow capacity. Also, full pattern design eliminates need for spacers or specialty flanges. Available in 2-8 in. sizes in PVC and CPVC materials, valves have max pressure rating of 150 psi non-shock at 70°F and will fit ANSI150 and PN10 flanges. Features include contoured inlet port as well as one-piece disc and shaft design.

Camfil Farr Air Pollution Control    Jonesboro, AR 72401
Jul 24, 2012 Adding protection to Gold Series® cartridge dust and fume collection systems, Spark Arrestor operates without perforations or screens to take control of sparks and channel them away from filters and into dust collector's hopper. Unit works by creating torturous paths that give sparks and embers time to lose energy as they are directed to safe area. Each module can handle max of 10,000 cfm, but optimal volume is 7,000 cfm where static pressure is less than 2 in. w.g.

Camfil Farr Air Pollution Control    Jonesboro, AR 72401
Jun 04, 2012 Integrated on top of Gold Series® cartridge dust collectors, ASHRAE-grade Safety Monitoring Filters prevent collected dust from re-entering workspace in event of leak in dust collector's primary filtering system. Each after-filter module incorporates 2 Riga-Flo® filters rated at 95% ASHRAE efficiency and capable of handling 2,650 cfm of air/filter. By preventing flames from recirculating into workspace, units also qualify as flame arresters as outlined in NFPA Performance-based provisions.

Clippard Instrument Laboratory, Inc.    Cincinnati, OH 45239
Apr 04, 2012 Featuring poppet design, JPC Series works as standard check valve, but can be opened with air pilot signal to permit free flow in normally checked position. Units are constructed of ENP brass, anodized aluminum, and stainless steel with Buna-N seals. With temperature range of 32-230°F, valves operate with air, water, or oil as medium. Auxiliary port facilitates plumbing, while side port rotates for ease of positioning.

Flomatic Valves Div., The Danfoss Group    Glens Falls, NY 12801
Mar 15, 2012 Designed for use with variable-frequency drive (VFD) control submersible pumps, Model 80DI VFD check valve minimizes flow losses and hydraulic shocks in pumping system. Standard epoxy coated (NSF® approved powder) ductile iron body supports deep set pumps, and stainless steel guided poppet system ensures valve automatically adjusts noiselessly between flow rates. Valve seat radius allows self-cleaning, one point swiping action by radius-edged, custom molded, rubber seal disc.

Plymovent Corp    Cranbury, NJ 08512
Nov 16, 2011 Designed to occupy minimal floor space, in-line SparkShield design ensures almost 100% efficiency in removal of sparks and other potential hazards that may cause fire while also extending lifespan of filter cartridges. Inspection hatches can be placed around unit, making it possible to look inside ductwork to check whether cleaning is necessary. Duct clamps facilitate installation, dismantling, servicing, and maintenance of divisible body.

Asahi/America, Inc.    Malden, MA 02148.
Nov 07, 2011 Installed on discharge side of pumps, 10 and 12 in. PVC wafer check valves prevent back-flow flooding. Body, disc, and stopper assembly machined from solid PVC plate stock, which is chemical resistant and conforms to ASTM D1784 Cell Classification 12454A. Products operate at up to 90 psi and 120°F and conform to ISO 5752 face-to-face dimensions. Lack of bolt pattern lets one valve style accommodate ANSI/DIN/JIS mating flange dimensions.

Spirax Sarco, Inc.    Blythewood, SC 29016
Aug 18, 2011 Designed to meet EN and ASME standards, Lift Check Valves include Models LCV3, LCV4, LCV6, and LCV7 in cast iron, carbon steel, stainless steel, and SG iron, respectively. Valves utilize replaceable clamp-in-place seat that enables in-line maintenance. Fabricated for horizontal pipeline installations, valves prevent reverse flow in pipelines carrying most types of liquids, steam, and gas. Units also prevent pressure surges associated with hydraulic forces such as water hammer.

Bionomic Industries Inc.    Mahwah, NJ 07430
Jun 16, 2011 Replacing manometer liquid seal legs on scrubber and vessel sumps, ScrubSeal(TM) Valves act as check valves to allow drainage of scrubber sump liquid through overflow line while maintaining required vessel vacuum during normal non-flow conditions. Products can be installed in vertical or horizontal pipes from ¾-4 in. to meet overflow rates from fractional to 500+ gpm. Valve body choices include corrosion-resistant PP or CPVC, depending upon size, with EPDM internal elements.

ITT Corporation    White Plains, NY 10604
Jun 07, 2011 Available in 1, 1¼, 1½, and 2 in. sizes, 3DV Triple Duty® Valve incorporates calibrated balance valve, shut-off valve, and spring loaded check valve that prevents gravity circulation and backflow. Choice of MNPT threaded or rotatable flange inlet connection allows close mounting of valve to pump discharge or downstream from pump. Constructed of materials that resist harsh operating pressures and high temperatures, valve meets ASHRAE 90.1 requirements for energy efficient operation.

Lee Products Ltd    Buckinghamshire SL9 9QE  United Kingdom
May 03, 2011 Available in 5 sizes from .125-.500 in. diameter with MP35N poppet and seat, High-Pressure Check Valves are constructed from corrosion-resistant materials that are compliant with NACE MR0175/ISO 15156 standards. Units are designed for checked direction pressures up to 15,000 psid, and are available in free flow forward and free flow reverse directions, with cracking pressures of 5±3 and 1+0.5 psid. Free flow Lohm rates range from 400 down to 15 Lohms.

Tideflex Technologies    Carnegie, PA 15106
Feb 24, 2011 Suited for use in outfalls, stormwater, and CSO/SSO applications, CheckMate® valve has all-rubber unibody design that eliminates backflow from oceans, rivers, and interceptors. Elastomer fabric-reinforced design lends to maintenance-free performance, while unibody construction eliminates catch points. Available in 4-72 in. sizes, valve is built to suit site and flow needs and can open to near full pipe diameter to maximize flow capacity of outfall.

Spirax Sarco, Inc.    Blythewood, SC 29016
Feb 09, 2011 Model CVS10 Sanitary Check Valve protects equipment from pressure surges associated with hydraulic forces such as waterhammer. Stainless steel valve includes full traceability of wetted materials throughout valve as well as .507 psi opening pressure. Available in ½-2 in. sizes with sanitary-clamp connections, it is manufactured to ASME BPE standards and is offered with metal seat for clean and pure steam/condensate applications.

Red Valve Company Inc    Carnegie PA 15106
May 04, 2010 Debris, corrosion, and fail resistant Tideflex® CheckMate(TM) inline check valve is suited for backflow prevention and mitigation of odors. Custom-engineered designed unit eliminates backflow from oceans, rivers, and interceptors, and targets outfalls, stormwater, CSO, and SSO applications.

Tideflex Technologies    Carnegie, PA 15106
Oct 29, 2009 Constructed entirely of rubber, with enhanced sealing to improve headloss across valve, TF-1 Curved Bill Tideflex® Check Valve is immune to rust, corrosion, and weathering. It can also handle long-term water weight and maintain structural integrity. Vertical angle of spine enables valve to withstand cantilever effect when water is flowing through it.

Groth Corp.    Stafford, TX 77477
May 22, 2009 Designed to protect liquid storage tanks containing vapors with MESG equal to or greater than 0.025 in., Groth Model 7758A flame/detonation arrester comes in Carbon Steel, Stainless Steel or Hastelloy® C. Product can also be used to protect against unstable detonations, deflagrations, short time burn and endurance burn (with temperature sensor) for NEC group C and D vapors (IEC explosion groups IIB3, IIB2, IIB1 and IIA).