New Check Valves Products

Brass Inline Check Valves feature guided-disc technology.

Incorporating soft seat for bubble-tight shutoff, Series BICV is spring-loaded for rapid reseating at high and low temperatures. Smooth flow profile minimizes head loss and accumulation of debris. Featuring 0.5 psi cracking pressure, valves come in 11 different connection sizes ranging from -¼-4 in. and are suited for use with variety of service mediums including compatible oils, gases, fuels,...

Check Valves

Pressure Vacuum Breakers feature modular check valve design.

Suited for irrigation system applications, PVB 4A Series pressure vacuum breakers are built around self-contained captured spring check module. They incorporate standard freeze protection feature and stainless steel shutoff handles. With corrosion resistant all-bronze body, units offer maximum working pressure of 175 psi, and operating temperature range of 33-140-

Check Valves

Backflow Preventer Valves feature compact, modular design.

With modular check valve design, RP 4A Series reduced pressure principle backflow preventers can fit in tight spaces and under small enclosures. They have 4 top-mounted test cocks and 2 removable captured spring check modules which are independently accessible from top and can be replaced or disassembled for ease of maintenance. Featuring corrosion resistant all-bronze body, units offer maximum...

Check Valves

Double Check Valves have compact, modular design.

Constructed with stainless steel handles and all-bronze body, DC 4A Series is corrosion-resistant for extended service life and employs captured spring check modules that allows for compact design that fits in standard meter boxes or under small enclosures. Valves include 2 self-contained check modules, independently accessible from top and removable for maintenance, as well as top-mounted test...

Advantages of VPSA Technology for Your Application

VPSA technology uses different equipment than PSA and requires significantly less energy, resulting in an average cost savings of one-third to one-half in comparison to PSA systems.

Check Valves

Backflow Preventer Valves have captured spring check module.

Including double check valves (DC), reduced pressure zone valves (RP), and pressure vacuum breakers (PVBs), Apollo-® 4A Series backflow preventers feature interchangeable check valve modules, simplifying repair operations. With corrosion resistant all-bronze body and top-mounted test cocks, compact units are available in sizes of -¾ to 2 in., and offer maximum working pressure of 175 psi and...

Check Valves

Check Valves can operate at temperatures up to 450

Power Generation Chek-® Valves are field serviceable, allowing users to disassemble and service valves using rebuild kit. Featuring low leakage and high flow, units are suited for use in purge air, water injection, and liquid fuel applications. Available with or without removable, washable Hi-Bar-® Safety Screen, valves can be designed according to specific customer requirements.

Check Valves

Multi-Valve System suits steam trap applications.

CONA All-in-One solution integrates steam trap, isolation valves, strainer, check valve and blowdown valve and requires just two pipe connections. Multi-valve system performs functions such as isolation, safety, control and steam trapping, and suits industrial applications including main line draining, steam distributing and tracing systems, as well as process industry.

Check Valves

Check Valve handles harsh duty applications.

Designed specifically for optimal performance in harsh duty applications, Model 440C Lo-Lohm Chek-® check valve is constructed entirely of corrosion-resistant stainless steel. It features durable 440C poppet and seat that provides resistance to damage from contamination. Available in forward and reverse flow directions, space saving unit offers high flow capability. Custom valves using MP35N can...

Check Valves

Fire Protection Valves handle pressures to 350 psi.

Featuring nylon-coated finish and EPDM-encapsulated disc for good closure during shut downs, GD6765-8N grooved butterfly valve is gear-operated for slow-close functionality to protect piping from water shock. It is UL-/ULC-listed to 350 psi water working pressure and UL-listed for indoor/outdoor use. Additionally, F697-0 Class 250 iron body gate valve is rated to 300 psi and carries FM/NYC MEA...

Check Valves

Zero Leak Check Valve weighs 3.8 g.

Available in forward and reverse flow configurations, Model 250 Zero Leak Chek-® miniature valve uses elastomeric seat to achieve zero leakage, while remaining components are constructed entirely of stainless steel. Valve can flow over 62 slpm (air) at 25 psid, yet has 0.250 in. dia. It comes with maximum working pressure of 3,000 psid.

Industry Leading OEM with over 65 Years of Experience

Blonder Tongue Laboratories provides ISO 9001:2015 certified electronic contract manufacturing services at our on-site lab. We specialize in video distribution, fiber optics, and communications but have a variety of services available to bring your products to market. See our video to learn more.