Hoke 6253G8Y 6200 Series Poppet Check Valve, 1/2 in. Gyrolok, 316 Stainless Steel

Want one-way flow protection that passes big volume without chatter? The Hoke 6253G8Y poppet check valve gives you both. Its spring-loaded poppet opens smoothly on forward flow and snaps shut against reverse flow, guarding your pumps, gauges, and instruments from costly backflow. The poppet design moves large flows with minimal fluctuation, so you protect the line without choking it. A 316 stainless steel body fights corrosion in refinery, petrochemical, and power service, and the 0.422 in. orifice keeps pressure drop low. The 1/2 in. Gyrolok tube ends lock onto your tubing with a two-ferrule grip that resists blowout and vibration. You can order the valve with the cracking pressure your system needs, from a light 1/3 psig up to 25 psig, so the check opens right where your process wants it. Rated to a full 6,000 psig at 70 degrees F, this valve holds firm in high-pressure lines. When you need dependable, high-flow backflow protection, install the 6253G8Y. Call Collins-Oliver for a quote.

Key Features

  • Spring-loaded poppet blocks reverse flow to protect pumps and instruments
  • Poppet design passes large flows with minimal chatter and fluctuation
  • 316 stainless steel body resists corrosive process media
  • 1/2 in. Gyrolok two-ferrule ends grip tight against blowout and vibration
  • Cracking pressure options from 1/3 to 25 psig to match your system
  • 0.422 in. orifice with a full 6,000 psig working pressure

Technical Specifications

  • Material: 316 stainless steel body
  • Valve Type: 6200 Series spring-loaded poppet check valve
  • End Connections: 1/2 in. Gyrolok x 1/2 in. Gyrolok
  • Orifice: 0.422 in. (10.7 mm)
  • Cv: 2.4 (poppet configuration)
  • Cracking Pressure: Available 1/3 to 25 psig (0 to 2 bar)
  • Working Pressure: 6,000 psig at 70 degrees F (414 bar at 21 degrees C)
  • Temperature Rating: Viton -20 to +350 degrees F; Buna N -40 to +200 degrees F
  • Size: 1/2 in.
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9821 S Perdue Ave. Baton Rouge, LA 70814

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Don't settle for generic valves that leak and fail. Get genuine brand quality with local support and same-day availability.

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