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Inline Check and Relief/Check Valves

Inline Check and Relief/Check Valves

Product catalog summary
Company Overview: Kepner Products Company, established in 1948, specializes in innovative zero leakage control valves for liquid and gas applications. Customers are advised to consult the factory or distributor for product selection and are responsible for ensuring proper installation and maintenance.
Product Description: The company offers inline check and relief check valves that are spring-operated poppet valves with optional relief settings. These valves allow free flow in one direction and prevent backflow, serving as backflow preventors, flow stops, or non-return valves. They are also used for relief and bypass functions.
Features and Benefits:
  • Flexible Seal Seat for zero leakage (bubble-tight) sealing at both low and high pressures.
  • O-Ring seal is positively secured.
  • Non-pressurized threads.
  • Poppet stop inside the valve body prevents the spring from bottoming out.
  • Generous flow passages allow full flow with minimal pressure drop.
Valve Specifications:
  • Port Configurations: Pipe or Tube (NPT, JIC; 12 combinations)
  • Port Sizes: 1/8 inch to 3 inch (3.2 mm to 76 mm)
  • Body Materials: Aluminum, Brass, Steel, 303 or 316 Stainless Steel
  • O-Ring Seals: Buna-N, Neoprene, Viton, EP, others available
  • Temperature Range: -300°F to 450°F (-184°C to 232°C), dependent on O-Ring
  • Check Crack Pressure: 1 - 2 PSI (.07 bar to .14 bar)
  • Relief/Check Crack Pressures: 5 PSI (.35 bar), 10 PSI (0.7 bar), 25 PSI (1.7 bar), 50 PSI (3.5 bar), and 65 PSI (4.5 bar), others available
  • Operating Pressure: up to 3,000 PSI (207 bar)
  • Flow Capacity: up to 500 GPM (1893 LPM)
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Catalog excerpts

   Inline Check and Relief/Check Valves-1

INNOVATIVE ZERO LEAKAGE CONTROLVALVES FOR LIQUID AND GAS > These spring-operated poppet valves, with optional relief settings, allow free flow in only one direction and prevent backflow - sometimes referred to as backflow preventorӔ, flow stopӔ, or non-returnӔ valve. They are also used for relief and bypass functions. Kepners Flexible Seal Seat combines metal-to-metal contact with a resilient seal seat ensuring dependable bubble-tight shut- off of liquid or gas, and long service life. Standard and specialty valve designs handle a wide variety of applications. > Ң׏ Flexible Seal Seat for zero leakage (bubble-tight) sealing at low and high pressures. ● O-Ring seal positively secured. ● Non-pressurized threads. ● Poppet stop inside valve body prevents spring from bottoming out. ● Generous flow passages allow full flow with minimal pressure drop. > ● Port Configurations: Pipe or Tube (NPT, JIC; 12 Combinations) ● Port Sizes: 1/8 inch to 3 inch (3.2 mm to 76 mm) ● Body Materials: Aluminum, Brass, Steel, 303 or 316 Stainless Steel ● O-Ring Seals: Buna-N, Neoprene, Viton , EP, others available ● Temperature: -300 F to 450 F (-184 C to 232 C), O-Ring dependent ● Check Crack Pressure: 1 - 2 PSI (.07 bar to .14 bar) ● Relief/Check Crack Pressures: 5 PSI (.35 bar), 10PSI (0.7 bar), 25 PSI (1.7 bar), 50 PSI (3.5 bar) and 65 PSI (4.5 bar), others available ● Operating Pressure: to 3,000 PSI (207 bar) ● Flow: to 500 GPM (1893 LPM) > Consult Factory or Distributor for more help. Customer/user is solely responsible to select products suitable fortheir specific application requirements and to ensure proper installation, operation and maintenance of theses prod- ucts. Improper selection or use of products can cause personal injury or property damage. All sales are subject to Kepner Products Company Standard Terms and Conditions of Sale. 995 N. Ellsworth Avenue, Villa Park, Illinois 60181Telephone: 630.279.1550 FAX: 630.279.9669E-mail: [email protected] size="-1">

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.