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Set up in 1995, Tonglu Valves Manufactring Co.,Ltd. is one of the leading China globe 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 globe valves are available to users on request and are used for municipal works, petroleum, chemical industry, power station, metallurgy, national defense, and scientific research fields. |
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13Cr stem,wedge in CA 15 or 13Cr faced,and Stellited seat API Trim 8# suitable for applications up to 454?? Seat face:stellited.ground and lapped to a mirror finish. Flexible Wedge:with low center stem-wedge contact.in solid CA15(13Cr)or hardface with 13Cr ,SS316,monel or stellited.Wedge is ground and lapped to a mirror finish and tightly guided to prevent dragging and seat damage.a stellite 6 hardfaced CF8M wedge is also available. Non-rotating Stem:with precision Acme threads and burnished finish.Double Acme for faster operation. Body and Bonnet:castings are precision machined.One-piece bonnet up to 12"(300mm)for better alignment and fewer parts. Gland:has two-piece construction for easy alignment. Flanges: Classes 150-300:1/6" raised face. Classes 600-1500:1/4" raised face. Finish 125-250 AARH for all valves Rotating Stem nut:is austenitic ductil iron Gr D-2C renewable in line(as shown).Thrust bearings are supplied as follows: 150-300Lb:10-12"(250-300mm). 1 bearing(top) 16"(400mm) and up 2 bearings 600Lb:6"(150mm) and up 900-1500Lb:6"(150mm)and up |
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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. |
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