Rising stem soft-sealing gate valve
Rising Stem Resilient gate valve (Rising Stem Soft-sealing Gate Valve)
Rising stem resilient gate valves not only has advantages of resilient seated ones has,but also can be seen for its intuitive opening and closing. It also featured in fast and reliable opening and closing thus it is widely applied in fire-fighting and industrial system and installed in a higher position from the ground.Benefits and Features:
1. Rubber covered entirely:it is rubber covered entirely,which has advantages of good coverage performance and accurate dimensions to ensure reliable sealing and extended service life .
2. Light weight:the valve body is made by ductile iron,which is light weight and easily installed.
3. Flat seat:the base of it used flat type seat design,the same as pipeline,which do not produce sundry siltation and will seal more reliable.
4. Corrosion resistance:its lumen use non-toxic epoxy resin coating shape,which can prevent corrosion and rust.The rising stem soft-sealing valve not only can benefit you to drink raw potable water but also can be fitted in the sewage system.
5. Three ways“o”ring seal:valve stem, adapted three way “o”ring seal,has little friction resistance, light switch and remain no leakage.
Specifications:
Pressure level: 1.0 MPa, 1.6 MPa
Body pressure: 1.5 MPa, 2.4 MPa
Seal test: 1.1 MPa, 1.76 MPa
Working temperature: 0 ~ 80 ℃
Applicable medium: water, gas, etc
Nominal pressure: 1.0 ~ 2.5 MPa
Nominal diameter: 50~ 800 mm applicable Standards:
Design standard is according to DIN, ANSI/BS/JIS/EN are also available upon request.
Components/Materials:
Name Material
body Gray cast iron、ductile cast valve、cast steel
gate ductile cast valve and EPDM or Nitrile rubber
pad Nitrile rubber、EPDM
Seal ring Nitrile rubber
stand Gray cast iron、ductile cast valve、cast steel
Valve rod Stainless steel
bolt Stainless steel
gland ductile cast valve、ductile cast valve
Valve-stem nut Copper alloy
Handwheel (drive cap_) Malleable cast ironPerformance Data:
DN 50 65 80 100 125 150 200 250 300 350 400
L 178 190 203 229 254 267 292 330 356 381 406
Hmin 322 332 350 420 581 581 736 882 1009 1300 1380
Hmax 374 398 429 524 721 736 942 1031 1117 1655 1805
Hmin is full-closed height,Hmax is full-open height.
Note: Other standards available.
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