Check Valves

Fluid & Gas Flow Equipment

BioChem Fludics Electric Rotary Valve feature optoelectronic position sensor.

September 28, 2016

Designed to work with aggressive and reactive fluids, Electric Rotary Valve allows the fluid entering the valve follow an inert flow path, with motion provided by an optional stepper motor, and an optoelectronic position sensor providing the rotor’s position to the control circuit. Chemically resistant, ERV features standard ¼”-28 UNF fluid port connections with stainless steel threaded inserts, and NEMA 17 stepper motors that allow easy integration into sophisticated systems. Read More

Fluid & Gas Flow Equipment

Barbed Check Valves feature 0.087 psi cracking pressure.

September 15, 2016

Offered in 3 configurations, Barbed Check Valves provide controlled directional flow for infusion, drainage, and irrigation applications. Barb to barb straight and reducing configurations (#80500–#80503) accommodate 1/8 in. and 3/32 in. ID tubes and are made of MABS and silicone. Female luer lock to barb and barb to male luer lock configurations (#80504–#80507) are made of SAN, MABS, and silicone. Products #80504/80505 feature female luer lock inlet while #80506/80507 have male luer lock outlet. Read More

Fluid & Gas Flow Equipment

Barbed Check Valves provide directional flow control.

July 25, 2016

Available in 3 configurations and 8 models, ETO and gamma sterilization compatible barbed check valves provide controlled directional flow and eliminate need for bonding in infusion, drainage, and irrigation applications. Barb to barb straight and reducing configurations (No. 80500–80503) accommodate 1/8 and 3/32 in. ID tubes and are made of MABS and silicone, while female luer lock to barb and barb to male luer lock configurations (No. 80504–80507) are made of SAN, MABS, and silicone. Read More

Chemical Processing & Waste Management, Fluid & Gas Flow Equipment

Check Valves and Strainers come in various sizes, materials.

February 25, 2016

Model 816 and 816FL Ward check valves and Model 16 and 16FL Ward strainers are available in ¼–2 in. threaded and 1–2 in. ANSI 150 Class Flanged configurations. Construction can be of ASTM 316 stainless steel or other materials, such as WCB Steel, Alloy 20, Monel, or Hastelloy C. Valve features Sealing System with sealing plunger that features angled elastomer disk totally encapsulated in Teflon®. Design produces positive shut-off at both low and high back pressure rated 150 WSP up to 450°F. Read More

Chemical Processing & Waste Management, Fluid & Gas Flow Equipment

ABS Approval for Hayward CPVC Product Lines

December 22, 2015

Hayward Flow Control is pleased to announce that it has attained American Bureau of Shipping (ABS) product approvals for the majority of its industry leading range of CPVC thermoplastic flow control product lines. The following product lines from Hayward have been approved for Marine Offshore Applications for Non-Essential Systems, including Fresh Water, Seawater, Potable Water, Grey Water,... Read More

Fluid & Gas Flow Equipment

Flomatic Corporation is Proud to Announce that All of their Model 888 Silent Wafer Check Valves are Now NSF/ANSI Standard 61 Certified for Drinking Water Systems

November 23, 2015

Glens Falls, NY - Flomatic Corporation is proud to announce that all of their Model 888 silent wafer check valves are now NSF/ANSI standard 61 certified for drinking water systems. Effective immediately all sizes and models will be constructed with EPDM elastomers as standard. This change is a direct result of Flomatic receiving certification in compliance with “ANSI/NSF 61 – Drinking Water... Read More

Fluid & Gas Flow Equipment

Check Valve offers floor drain back-up water flooding protection.

November 16, 2015

Offered in 2 and 3 in. dia sizes, SureSeal® Plus consists of waterless in-floor drain trap seal with additional check valve to protect against property-damaging water back-ups. EPDM water-blocking check valve flapper and housing withstand up to 5 ft of head pressure. Besides flood prevention, unit uses waterless trap seal technology to block toxic sewer gas and insects from infiltrating occupied areas. ASSE-1072-compliant design uses built-in ½ in. dia airlock vent to relieve pressure. Read More

Fluid & Gas Flow Equipment

Swing Check Valve incorporates Adjustable Spring Closure.

October 19, 2015

Model 745ASC Rubber Flapper Swing Check valve with adjustable spring closure (ASC) has epoxy-coated ductile iron body with encapsulated valve disc that is custom-molded Buna-N and comes in 3–14 in. sizes. Spring-assisted closure offers accelerated response with short stroke of 45°, and use of field-adjustable spring avoids slamming while simultaneously allowing valve disc to be stabilized under normal flow conditions. ASC device is field adjustable and can be replaced without removing valve. Read More

Fluid & Gas Flow Equipment

Check Valves work with VFD-controlled submersible pumps.

August 28, 2015

Featuring unleaded bronze body with corrosion-resistant internal parts, 1 in. Models 100E VFD and 100ES VFD are designed to minimize flow losses and hydraulic shocks in pumping system. Both inlet and outlet threaded area allow for longer pipe threads, while guided poppet system (optional SS poppet) ensures that valves automatically adjust noiselessly from high to very low flow rates. Valves can be installed in either horizontal or vertical piping installations.
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Fluid & Gas Flow Equipment

Check Valves operate with VFD-controlled submersible pumps.

June 29, 2015

Designed to minimize flow losses and hydraulic shocks in pumping systems, Models 80E VFD and 100E VFD can be installed in horizontal or vertical piping. Units have unleaded alloy body available with 1, 2, 3, and 4 in. threaded female NPT connections. With guided poppet system, valves automatically adjust noiselessly from high to very low flow rates. Radiuses of valve seat allow self-cleaning, one point swiping action by radius-edged custom molded rubber seal disc. Read More

Fluid & Gas Flow Equipment

Axial-Flow Check Valve excels in high-pressure applications.

June 17, 2015

Compatible with steam, water, and gaseous media, BNC™ one-piece, nozzle-style check valve can be welded in and buried to meet needs of industries placing pipelines below ground. Axial-flow technology eliminates turbulence and prevents erosion/vibration, and leak proofing virtually eliminates acid/chemical leakage. Available in 10–24 in. line sizes, this spring-assisted, center-guided, non-slam check valve has in-line, globe-style body with butt weld ends.
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Fluid & Gas Flow Equipment, Material Handling & Storage, Mechanical Power Transmission, Mounting & Attaching Products, Test & Measuring Instruments

SEMCOR's Fluid Handling Division

June 10, 2015

We a wide range of products to allow us to help you find a variety of solutions for  your fluid control problems. Many of these products are specially engineered for resisting corrosion from harsh chemicals. Resistoflex introduced lined pipe and fittings to provide the ultimate in rigid  piping for high temperature applications and corrosion resistance. With the acquisition of Dow Pipe, we... Read More

Fluid & Gas Flow Equipment

Needleless One-Way Valve suits liquid sampling procedures.

April 21, 2015

Featuring swabbable design, Model 90403 is constructed with ABS red male luer lock body, polycarbonate female luer lock body, and silicone valves. When valve is accessed by male luer lock or male luer slip syringe, internal duckbill check valve allows fluid samples to be taken. One-way duckbill prevents accidental injection through connector. Upon disconnection of syringe, needleless valve will seal against any back pressure. Read More

Fluid & Gas Flow Equipment

High Pressure Check Valve suits medical device applications.

January 14, 2015

With polycarbonate body containing elastomeric valve, SupraValveHP® can manage intense performance criteria needed in contrast media and saline IV transfer applications. Unlike typical tortuous path disc check valves, unit is designed to minimize fluid turbulence, providing effortless movement and less destabilization of fluid. X3191000 check valve assembly features miniature 40 ShA umbrella to maximize performance. Read More

Fluid & Gas Flow Equipment

Wafer Check Valve is available in 3 in. size.

December 19, 2014

With body, disc, and stopper assembly machined from solid, chemically resistant PVC plate stock, 3 in. PVC wafer check valve operates at 150 psi max and installs on discharge side of pumps to prevent back-flow flooding. Unit installs by slip-fitting between 2 mating flanges, automatically centers on mating flanges, and conforms to ISO 5752 face-to-face dimensions. Standard versions comes with EPDM seals and no spring, and options include FKM seals and ETFE-coated stainless steel spring.
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Fluid & Gas Flow Equipment

Solenoid Valve offers single-acting cylinder control.

December 2, 2014

Combining functions of solenoid valve, check valve, and orifice into one unit, Model SVP08-NCF has rated pressure of 3,300 psi and rated flow of 4 gpm. Normally closed, pilot-operated, poppet-type 08-size valve provides flow control when energized. To prevent contamination coming from cylinder, optional 300 µm filter protects valve from port 2. If electrical power is down, operator can switch valve position manually. Optional threaded pin allows pull override via wire cable or knob handle. Read More

Fluid & Gas Flow Equipment, Materials & Material Processing

Inline Spark Arrestor cools glowing embers in exhaust duct.

October 24, 2014

By changing characteristics of gas flow through duct from laminar to turbulent flow, SparkBuster cools sparks to within 200°F of gas temperature in duct. Static mixing device is suitable for spark arrestor duty and, under prescribed conditions, will eliminate any sparks and embers from air stream. Available in 4 in. sizes and up, SparkBuster has auto-self-cleaning option and no moving parts. Unit can be installed in both new and existing systems, as well as flanged or clamp-together systems. Read More

Fluid & Gas Flow Equipment

Pressure Relief/Check Valve seamlessly combines two functions.

October 8, 2014

Offered with or without integral safety screens, 281 PRI®/Chek® Valve is designed to facilitate insertion. Relief valve function features Tungsten Carbide ball and 440C seat for durability and extended life, while remaining components are constructed of stainless steel. Various relief flow cracking pressures are available for system pressures up to 5,000 psi, and max restriction in free flow direction is 300 LΩ (550 LΩ for screened version). Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Valcor Aerospace Capabilities & Products

September 26, 2014

As a custom fluid control device designer and manufacturer, Valcor Engineering Corporation ( has produced valves, regulators, actuators and accumulators that have served the space market for decades. Valcor is a manufacturing company that works closely with our customers to create a custom engineered solution to their demanding fluid control... Read More

Electrical Equipment & Systems, Fluid & Gas Flow Equipment, HVAC

Flame Arrestor Vents safeguard against battery explosions.

September 25, 2014

Made of hydrophobic Vyon® materials, Flame Arrestor Vents safeguard from potential explosions in lead acid batteries. Sintered porous plastic materials offer chemical compatibility and are resistant to most acids. Creation of flow path, by which gases released through valve element can escape from battery, prevent propagation of potential flames. In addition to preventing sparks from entering battery, vents provide controlled airflow, minimizing risk of acid spillage. Read More