JH 2"–48" Flat Gate Valve – Class 150 to 2500, Forged Steel Body

The JH Flat Gate Valve is designed for high-capacity fluid isolation in demanding pipeline systems, offering bidirectional sealing through a floating valve seat mechanism. With a product range from 2" to 48" and pressure classes from 150LB to 2500LB, this valve is ideal for heavy-duty applications. The flat gate structure allows unobstructed flow with minimal pressure drop, closely resembling a straight-through pipe when fully open. Its guide-bar equipped gate ensures precise alignment, while the hard alloy sprayed sealing surfaces offer superior erosion resistance. Designed in accordance with ASME B16.34, API 6D, JB/T 5298, and GB/T 19672, the valve combines reliable sealing performance, structural strength, and easy operability for long service life.

Specifications:

– Valve Type: Flat Gate Valve
– Operation: Manual, Gear, Electric, Pneumatic
– Size Range: 2" to 48" (DN50 to DN1200)
– Pressure Class: 150LB to 2500LB / PN16 to PN420
– Body Material: Forged or Cast Steel (as per application)
– End Connection: Flanged (RF/FF/RTJ), BW, SW, NPT
– Face-to-Face: As per API 6D / ASME B16.10
– Design Standards: ASME B16.34, API 6D, JB/T 5298, GB/T 19672
– Temperature Rating: As per pressure class and material
– Seat Design: Floating seat, bidirectional sealing
– Flow Passage: Full bore, straight-through type, minimal flow resistance
– Special Features: Hard alloy sealing surfaces, guided ram, high load-bearing body
– Applications: Oil & gas pipelines, natural gas transmission, refining, and power industries

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