The design of the body bonnet gaskets varies depending on the class of the valve.
Gate valve 150 class pdf.
General valves gate valves 136.
Standard trim is b8 13 cr to hardface which is suitable for a wide range of applications.
Cast steel gate valves general information class 150 300 and 600 valves standard material is astm a216 grade wcb.
Gate valve class 150.
Cast steel valves gate valves.
Class 300 and 600 valves consist of a circular spiral wound gasket.
060512 class 150 carbon stainless steel wedge gate valves dimensions weights valve size nps 2 2 5 3 4 6 8 10 12 14 16 18 20 24 28 30 36 40 42 48 52 60.
Mss sp 44 or api 605 basic design.
1 2 15 s2 150 5 91 11 5 0 45 138 5 4 282 11 1 10 22 0 25hr 103.
Gate valve material list gate valve 10 11 l1 h l w class 150 class 300 l l1 rf bw in 8 5 9 5 11 12 12 15 15 88 16 5 18 19 75 30 33 36 39 45 49 53 55 mm 216 241 283 305 381 403 419 457 502 762 838 914 991 1143 1245 1346 1397 1524 1727 1930 1981 2235 60 68 76 78 88 w.
Size range 2 24 inches pressure temperature rating class 150 carbon steel astm a216 grade wcb valid as of 010412 285 psi 20 f to 100 f j4xxxx cfs pd 2015 genvalves qxp layout 1 18 01 2017 09 42 page 136.
Class 150 gate valves consist of a square joint in 2 and an oval one for all other sizes.
Api 600 api 603 316 valves test standard.
For bolted bonnet valves is spiral wound type up to class asme 1500.
Ring joint gaskets are standard for asme 2500 and above.
Gate globe check valves pressure seal range l t valves manufactures a comprehensive range of gate globe check valves ggc in sizes up to 42 1050 mm and in asme classes from 150 to 4500.
Ansi b16 10 end flange dimensions.
Features standards notes flexible wedge.
Gate valves either stops or allows flow through the valve.
Depending on the valve service it can be supplied flat face gasket with graphite or ptfe.
The valves are offered in combination of size pressure class material end connection etc to suit myriad applications in the energy sector.
Face to face dimensions.
Gate valves api 600 steel valves ansi b16 34 face to face ansi b16 10 end flanges ansi b16 5 buttweld ends ansi b16 25 inspection and test api 598 series 35114 150 flanged cast steel gate valve sharpe series 35114.
