API Valve >> API Gate Valve Quoting Standards BB OS & Y structure Flanged or Butt-welding ends Manufacture in accordance with API 6D or API 600 Face to face/End to end dimensions to ANSI B 16.10 Flange dimensions to ANSI B 16.5 Butt-welding end dimensions to ANSI B 16.25 Valve tested to API 6D or API 598 Product Main Usage API Gate Valve are suitable to pipes which use Class 150～300Lb and working temperature is no more than 425℃ in water ,steam, Oil.It is a open-close device to control medium. Product Construction 1.Conform to domestic and abroad advanced standard requirement,reliable seal, perfect performance, good figure. 2.Wedge disc, seat seal face adopt iron alloy or stellite, wearable, anti-high-temperature, rust- proof, non-scrape, long life usage. 3.Use wedge flexible disc, large and middle diameter valve use ralating bearing, flexible snitch, on- off is easily operated. 4.Stem is nitrified, gear rust- proof, non-scratch and wearable. 5.Suitable for all kinds of fitting, flange and flange seal face, meat all kinds of project application and clients'' requirement. 6.Large scale of body material for selection, packing and gasket is adoptable according to actual situation or clients'' requirement, applicable for all kinds of pressure rating, temperature and media. Material of main parts Shell ASTM A216 WCB ASTM A351 CF8 Disc WCB CF8 CF8M Monel Stem F6a F304 F316 Monel F304 Disc facing 13 Cr 13 Cr STL 304 STL 316 STL Monel 304 304 STL Seat facing 13 Cr STL STL 304 STL 316 STL Monel 304 304 STL Shell ASTM A351 CF3 ASTM A351 CF8M ASTM A351 CF8 Disc Stem F304L F316 F316 Disc facing 304L 304L STL 316 316 STL 316L 316L STL Seat facing 304L STL STL 316 STL STL 316L 316L STL