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Bilwe Pilot valve type diaphragm valve is ductile material. Valve, the main valve spool, the pilot valve spool valve, internal springs and filters, etc. are stainless steel.

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Bilwe Pilot valve type diaphragm valve details:
Bilwe Pilot valve type diaphragm valve is ductile material . Valve , the main valve spool , the pilot valve spool valve , internal springs and filters , etc. are stainless steel . Suitable for steam and compressed air systems. Pressure regulator ratio up to 10:1 , accurate control . When the pressure adjustment range exceeds 10:1, the two valves should be arranged in series . DP27G soft seat model for compressed air systems, or other industrial gases (not for oxygen ) . DP27 valve can combine multiple pilot valve on the same main body, used to implement a two-stage pressure control , temperature and pressure control, remote control and other features. Common specifications DN15 ∽ 50, PN1.6/2.5MPa, using temperature DP27 ≤ 232 ℃, DP27G ≤ 120 ℃, pressure adjustment range ( conical spring ) 0.02 ∽ 1.7MPa.
Bilwe Pilot valve type diaphragm valve parameters:
Nominal pressure PN25
PMA Maximum allowable pressure ADE 25bar g @ 120 ℃
A-B-C 17.2bar g @ 40 ℃
TMA Maximum allowable temperature 232 ℃ @ 21bar g
TMI minimum allowable temperature of -10 ℃
PMO Maximum operating pressure DP27 DP27G 17barg
DP27E 10barg
TMO Maximum operating temperature DP27 232 ℃ @ 21bar g
DP27E 190 ℃ @ 10bar g
DP27G 120 ℃ @ 25bar g
TMIO Minimum Operating Temperature 0 ℃
Outlet pressure range 0.2-1.7bar g
Cold maximum test pressure 38bar g