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Double offset butterfly valve
Double offset butterfly valve
Wafer Triple-offset Sealing Butterfly Valve
Wafer Triple-offset Sealing Butterfly Valve
Lug Triple-offset Sealing Butterfly Valve
Lug Triple-offset Sealing Butterfly Valve
Butt Welding Triple-offset Sealing Butterfly Valve
Butt Welding Triple-offset Sealing Butterfly Valve

Wafer Central Line Soft Seal Butterfly Valve

JSV Central line soft seal butterfly valve has compact structure, easy 90 ° rotary switch, reliable sealing, longer serv
Sealing performance:
bi-direction
Working temperature:
According to sealing material working temperature
Actuator:
can be configured pneumatic, hydraulic, electric actuators or manual worm, handle
Size Range:
DN50-DN1200
Pressure Range:
2‘’-48‘’
Body style:
Wafer, Lug ,flange
Valve size:
2”-48”
Connect type:
flange, wafer, lug
Nominal pressure:
ANSI 150#
Standard:
API; ISO; DIN; JIS
Material:
Stainless steel, cast iron or ductile iron
Vacuum rating:
1.016*10^-3mm(4*10^-5in)Hg
Temperature rating:
According to sealing surface material temperature
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Wafer Central Line Soft Seal Butterfly Valve
Wafer Central Line Soft Seal Butterfly Valve

JSV Central line soft seal butterfly valve has compact structure, easy 90 ° rotary switch, reliable sealing, longer service life. It is not only simple in structure, small in size, light in weight, small in mounting size, small in driving torque, easy to operate, and also has good flow regulating function and closed sealing characteristics. It is the leading valve form in large and medium diameter butterfly valves. Widely used in the furnace, gas, natural gas, liquefied petroleum gas, city gas, hot and cold air, chemical smelting and power generation environmental protection and other engineering systems to transport a variety of corrosive, non-corrosive fluid medium on the pipeline for adjustment and truncation The flow of media.

  1. Good sealing performance
  2. The sealing material for nitrile oil resistant rubber pairing, long service life.
  3. The rubber seal on the body, can also be located on the butterfly plate, applicable to different characteristics of the media.
  4. With bi-direction sealing function, the installation of media flow from the control, nor the impact of space, can be installed in any direction
  5. Unique structure, flexible operation, effort, convenience.

 Sealing material ADAPTS to the temperature.

Material varieties Neoprene Nitrile rubber Ethylene propylene rubber Teflon Silicone rubber Fluorine rubber Natural rubber
Material CR NBR  EPDM  PTFE  SI  VITON  NR
Model code X/J  XA/JA XB/JB F/XC/JC XD/JD  XE/JE X1
Maximum temp 82℃  93℃ 150℃  232℃ 250℃  204℃ 85℃
Maximum temp -40℃ -40℃ -40℃  -268℃ -70℃ -23℃ -20℃
Suitable temp 0℃~+80℃  -20℃~+90℃ -40℃~+125℃ -196℃~+150℃ -70℃~+200℃  -23℃~+200℃ -20℃~+85℃

Performance specification

Nominal pressure PN(Mpa)  0.6 1.0 1.6
Test pressure Shell Mpa 0.9 1.5 2.4
Water 0.66 1.1 1.76
Air 0.6
Nominal pressure CLASS(Mpa)  150（2Mpa）
Test pressure Shell Mpa 3
Water 2.2
Air 0.6

Product Display

Wafer Central Line Soft Seal Butterfly Valve

Part material

CCCParts number  
1. Body QT450,WCB,304, 316,C95800
2. Seat NBR,EPDM
3. Disc QT450,WCB,304, 316,C95800
4. Stem 2Cr13,304, 316,K500
5. Pin 2Cr13,304, 316,K500
6. Packing NBR,EPDM等
7. Packing gland 304,316,Q235-A
8. Screw B7,304,316
9. Gasket 304,316

Wafer Central Line Soft Seal Butterfly Valve

Wafer Central Line Soft Seal Butterfly Valve

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