Product overview：
ZJHP type pneumatic diaphragm single seat regulating valve adopts top guide structure.The guide area of the valve core guide part is large and has strong vibration resistance.The valve seat closing performance complies with GB/T4213-92 standard. The regulating valve is equipped with a multi-spring diaphragm actuator, which has a small structure and large output force.
Specifications
|
Valve body type |
Straight-through single-seat cast ball valve |
|
Valve size |
DN20-DN300 |
|
Rated pressure |
PN16, PN40, PN63, PN100 |
|
Connection type |
Flange (standard), thread, welding (must be specified by the user) |
|
Flange standard |
Steel flanges according to GB9113-2000, JB/T-94 |
|
Sealing surface type |
PN16 is convex surface PN40, 63, 100 are concave and convex surface |
|
Flange end distance |
According to GB12221-89 |
|
Material |
ZG230-450 ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti |
|
Structural type |
Standard type (-20℃~+200℃) |
|
Low temperature type (-60℃~-196℃) |
|
|
Heat dissipation type (-40℃~+450℃) |
|
|
Bellowed seals type |
|
|
Gland type |
Platen type |
|
Padding |
V-type polytetrafluoroethylene packing, flexible graphite packing |
|
Gasket |
Type, toothed and flat Material, F4/modified F4, stainless steel + graphite |
|
Type |
Multi-spring diaphragm actuator -22，-23，-45，-56 |
|
Valve action |
Direct action, reverse action |
|
Diaphragm material |
Nitrile rubber with reinforced polyester fabric |
|
Spring range |
20-100KPa, 40-200KPa,80-240KPa |
|
Air supply pressure |
0.14-0.4MPa |
|
Signal interface |
Internal thread M16x1.5 |
|
Ambient temperature |
-30℃~+70℃ |
