Material cast steel ( ZG ), cast stainless steel ( ZG 1Cr18Ni9 Ti, ZG 1Cr18Ni 12 Mo 2 Ti ), etc
Upper valve cover common type upper valve cover: - 40 ~ + 230 ℃ fin type upper valve cover: + 230 ~ + 450 ℃
gland type bolt pressing type
Filling material V - shaped PTFE filler, impregnated PTFE asbestos filler, asbestos compression packing, graphite filler
In - valve assembly
Valve core type single seat plunger type valve core
Flow characteristics equal percentage characteristics and linear characteristics
Stainless Steel Surfacing Stellar Alloy, Titanium and Corrosion Resistant Alloy, etc
actuator
Type ZMX ( A / B ) Pneumatic Film Actuator
Diaphragm material nitrile rubber clip nylon cloth
Spring range 20 ~ 100, 40 ~ 200, 80 ~ 240 kpa
The gas supply pressure is kpa
Signal interface M16× 1.5 or ZG1 / 4
Ambient temperature - 25 ~ + 55 ℃
Valve action type gas - closed or gas - open
Attachment positioner, air filter pressure reducer, position maintaining valve, travel switch, valve position transmitter, handwheel mechanism, etc
Sexual energy
Leakage is less than 0.01 % of the rated capacity of the valve, conforming to ANSI B Class 16.Ⅳ
Return belt positioner: less than 1 % of full stroke
Without positioner: less than 3 % of full stroke
Basic error band positioner: less than 1 % of full stroke
Without positioner: less than 5 % of full stroke
Note: When using standard V - shaped PTFE filler
Adjustable range 50: 1 |
产品介绍
