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Forged Steel Gate Valve | API 602 | High Pressure | FactoryForged Steel Gate Valve — precision-forged from solid steel blocks (no internal voids, compressed grain, superior strength) for high-pressure/high-temperature on-off flow control. Conical seal withread more
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Gas Flat Gate Valve | API 6D | Soft Seated | Full Bore Pi...The Gas Flat Gate Valve is a parallel slide gate valve for gas transmission and distribution isolation — natural gas, city gas, LPG, and LNG. It delivers bidirectional zero-leakage sealing viaread more
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Fast Drain Valve | Quick Opening Blowdown | Boiler/Heat E...The Fast Drain Valve (Quick Draining Valve) is a quick-opening full-port valve for rapid drainage, sludge removal, and pressure relief in industrial pipelines and equipment — including boilerread more
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Water Sealing Gate Valve | Vacuum & High Pressure | DN15-...Water Sealing Gate Valve — specialized shut-off valve with water-circulated sealing stuffing box; inject water at 0.6–1.0 MPa to fully isolate system from atmosphere, zero leakage under high-pressureread more
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Welded Electric Gate Valve | Butt Weld | High Temp 570°C ...Welded Electric Gate Valve — full-welded body + DZW multi-turn electric actuator for automated on-off control in high-pressure/high-temperature pipelines. Butt-weld ends (GB/T 12224/ANSI B16.25/78DG)read more
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Bellows Gate Valve | Metal Bellows Zero Leakage | ISO 158...Bellows Gate Valve — flexible metal bellows (AISI 633/AM 350/SS316L/Hastelloy) stem seal replaces packing, absolute zero leakage, no fugitive emissions. Dual bellows + graphite packing backupread more
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American Standard Flange Gate Valve | API 600 | OS&Y | Cl...American Standard Flange Gate Valve (ANSI/API) — bolted-bonnet, outside-screw-and-yoke (OS&Y) industrial gate valve for reliable on-off isolation in fluid pipelines. Fully compliant with API 600,read more
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Stainless Steel Gate Valve | CF8/CF8M/316L | API 600 | Cl...Stainless Steel Gate Valve — bolted-bonnet industrial on-off valve in austenitic stainless steel: CF8 (304), CF8M (316), CF3M (316L), 321 — for reliable flow isolation in corrosive, saline, andread more
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Electric Flange Gate Valve | IP66/IP68 | Explosion-Proof ...Electric Flange Gate Valve — intelligent multi-turn electric actuator, flanged RF/RTJ (ASME B16.5), remote/local + manual-electric switch, PLC/DCS 4-20mA, torque control, ±1% position,read more
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Pneumatic Gate Valve | 0.5-2s Fast | Double/Single Acting...Pneumatic Gate Valve — linear pneumatic cylinder actuator (single/double, double-acting/spring-return), flanged, fast automated remote on-off. Compressed air 0.4–0.8MPa, 0.5–2s full stroke, fasterread more
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Electric Stainless Steel Gate Valve | 304/316L CF8/CF8M |...Electric Stainless Steel Gate Valve — automated on-off, 304/316L (CF8/CF8M) austenitic stainless body, solution annealed 3–5× corrosion resistance (acids/alkalis/salt spray/seawater/chemicals).read more
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Flange Gate Valve | API 600/BS 1414 | WCB/CF8/CF8M | DN15...Flange Gate Valve — bidirectional on-off isolation, flanged ends RF/RTJ/FF (ASME B16.5/HG 20592), easy install. API 600, BS 1414, ASME B16.34. Flexible wedge bidirectional seal, anti-stick high-temp;read more
WebLapping is a finishing step and should NOT be used to correct a bad seat, or worse yet, a valve that is improperly ground. As always, if you have any questions about Valve...
WebLightweight for easy handling and installation, our valve grinding and lapping machines span working ranges for gate valves from 1 to 49 inches (DN20-1250mm), with high performance and lower cost....
WebEFCO USA, Inc. – Valve Repair & Testing Equipment. Since EFCO was established in 1978, we have been a world leading manufacturer of portable and stationary valve repair...
WebVALVE GRINDING & LAPPING MACHINES. Lightweight for easy handling and installation, our valve grinding and lapping machines span working ranges for gate valves from 1.3 to 39.4 inches (32 to 1000...
WebA. The valve identification is stamped on metal plates attached to a yoke arm or cap of each valve. B. The valve should be blocked or slung into position with apparatus that will...
WebIn-Line Valve Repair. Our line of portable valve machines are used for the grinding and lapping of sealing faces in gate valves, globe valves, check valves and more. With our machines we can...
