Set up in 1995, Tonglu Valves Manufactring Co.,Ltd. is one of the leading China steel valve manufacturer and supplier in Yongjia County of Zhejiang Province. We manufacture all products strictly conforming to the API, JIS, ANSI, BS, GB, NF and DIN standards. Our oem iron valve are available to users on request and are used for municipal works, petroleum, chemical industry, power station, metallurgy, national defense, and scientific research fields.

A compact but extremely sturdy design for high pressure-temperature service Solid stellite 6 wedge(optional)ensures low friction and long service life.For class 1500 valves and for steam service,seats are seal-welded to the body. Packing rings are precompressed to 4000 psi to provide a highintegrity seal. For welded bonnet valves,the bonnet is threaded in and torqued to an engineered torque value and the body bonnet joint isstrength-welded,offering double protection against leakage(Body/bonnet threads and strength-weld). Fully guided wedge reduces wear on seating surfaces, Repairable 2 -piece stem drive. A special is also available with double packing,leak-off connection,live-loading and a packing blowout for easy removal of old packing. Bolted bonnet gate vales for alkylation service and HF Acide service Parallel slide gate valve API603 1/2-11/2"(15-40mm)for ASME class 150,300&600.

1) Material: malleable iron ,Common carbon steel, alloy steel, stainless steel, ductile iron, grey iron, copper ,aluminum.
2) Standard: JIS, DIN, ASTM,BS
3) gravity casting, pressure casting, low-pressure casting and sand casting, investment casting, die casting, permanent mold casting
Delivery Time:Within 25 days after receiving order
Payment Term: T/T , L/C at sight.
Competitive price; Long production history; international quality certified;
skilled workers; accept small order; Reliable reputation.
Full Port or Reduced Port;
Lift Check Valve;
Ball Check Valve;
Swing Check Valve;
Springs are installed inside according to requirements;
Bolted coupling, voluble gasket sealing bonnet, thread coupling, completely welded
sealing bonnet and thread coupling pressure-tight bonnet;
Socket welding accord to ASME B16.11;
Thread coupling ends (NPT) accord to ANSI/ASME B1.20.1;
Valve flaps can switch soft seals and ball valve flap.

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