Restrictive check valve

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f Specification 10 12 16 20
Max. working pressure (MPa) 31.5
Max. Flow (L/min) 60 85 175 200
Hydraulic fluid Mineral oil;phosphate-ester
Fluid temp (℃) -20~70
Viscosity (mm²/s) 2.8~380
Opening pressure (MPa) a:0.05 b0.4
Cleanliness
The maximum allowable cleanliness of the oil should be according to 9th degree of Standard NAS 1638.It is suggested that the minimum filter rating should be β 10 ≥75.

Restrictive check valve consists of restrictive valve and 1-way valve in series.It can control the flow and only allows the flow in one way.Flow will be shut off in the opposite direction.



Model B D1 D2 D3 H1 H2 H3 L1 L2
G10 28 19.3 30 M18X1.5 G3/8" NPT3/8" 14 61.5 67.5 45.5 73
G12 38 24.2 37 M22X1.5 G1/2" NPT1/2" 19 78.1 86.5 54 86
G16 38 24.2 37 M27X2 G3/4" NPT3/4" 19 78.3 86.5 59 94
G20 48 35 48 M33X2 G1" NPT1" 24 102.3 114.4 74.8 123

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