Pneumatic Fluorine Lined Regulating Valve
Keywords: metering pump accessories
Classification:
Pneumatic control valve
- DESCRIPTION
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1. Main technical parameters of pneumatic fluorine-lined regulating valve
Nominal diameter (DN)20253240506580100150
Seat diameter (dn)20253240506580100150
Rated flow coefficient (KV)5.081220325070100240
Allowable pressure difference (MPa)3.83.23.02.01.81.51.41.00.6
Nominal pressure (MPa) 1.6, 2.5, 4.0, 6.4
Rated stroke (mm)16254060
Equipped with actuator model ZHA/B-22ZHA/B-23ZHA/B-34ZHA/B45
Valve core type single seat plunger type fluorine lined valve core
Flow characteristics quick opening characteristics
2. Technical parameters of pneumatic fluorine-lined regulating valve actuator
Configuration actuator category ZHA/B multi-spring diaphragm actuator
Actuator model ZHA/B-22ZHA/B-23ZHA/B-34ZHA/B-45ZHA/B-56
Effective area (cm2)3503505609001400
Stroke (mm) 10, 16244040, 60100
Spring range (KPa) 20~100 (standard), 20-60, 60-100, 40-200, 80-240
Diaphragm material: nitrile rubber sandwiched with nylon cloth, ethylene propylene rubber sandwiched with nylon cloth
Air supply pressure 140~400KPa
Air source interface RC1/4"
Ambient temperature -30～+70℃
Can be equipped with accessories positioner, air filter pressure reducer, position retaining valve, travel switch, valve position transmitter, handwheel mechanism, etc.
Functional form: air-closed type (B)—the valve position is open (FO) when the air is lost; air-opening type (K)—the valve position is closed (FC) when the air is lost.
3. Main parts and materials of pneumatic fluorine-lined regulating valve
Valve body and valve cover ZG230-450 lined with F46
Valve seat and valve core 304 lined with F46
Stem 304 lined F46
Guide sleeve 304 lined F46
Bellows stainless steel+F46
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