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OFD Welding Overflow Valve
DOFUN overflow valve is suitable for occasions with a large range of cooling capacity requirements. It is a valve designed to prevent system pressure fluctuations caused by low flow rate or low density. For the control of evaporation pressure, condensing pressure, exhaust pressure, etc., it has three application functions: relief valve, check valve and stop valve.
Applicable medium: R12, R22, R502, R134a, R404A, r507, R717, etc
The overflow valve is suitable for occasions with a large range of cooling capacity requirements. It is a valve designed to prevent system pressure fluctuations caused by low flow rate or low density. For the control of evaporation pressure, condensing pressure, exhaust pressure, etc., it has three application functions: relief valve, check valve and stop valve.
Applicable medium: R12, R22, R502, R134a, R404A, r507, R717, etc
|
|
(mm)Size(mm) |
|||||
φD |
φD1 |
L |
L1 |
H |
H1 |
||
OFD |
20 |
26.9 |
38 |
45 |
60 |
250.5 |
49.5 |
25 |
33.7 |
38 |
45 |
60 |
250.5 |
49.5 |
|
DOFUN overflow valveTechnical Parameters
NominalPressure(PN) |
4.0Mpa |
TestPressure(PS) |
6.0MPa |
|
PressureAdjustment Range |
0.2MPa-0.65MPa.0.35MPa-0.8MPa |
ApplicableTemperature |
-50°C~+150°C |
ApplicableMedium |
Applicabletocommonnonlammable refrigerantsincludingR717、 R22(dependentonsealingmaterial |
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