Check restrictive valve

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d Specification 6 8 10 12 16 20 25 30 40
Max. working pressure (MPa) 31.5
Max. Flow (L/min) 14 40 60 85 175 200 300 400 600
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.
    

1-way restrictiv valve consists of needle valve and 1-way valve in parallel.It is used to adjust the flow in one way ,and reverse back freely.



Model B D1 D2 D3 H1 H2 H3 L1 L2
G6 28 19.3 30 M10X1 G1/8" NPT1/8" 14 59.3 64.8 36 58
G8 28 19.3 30 M14X1.5 G1/4" NPT1/4" 14 61.3 67.9 39 64
G10 28 19.3 30 M18X1.5 G3/8" NPT3/8" 14 61.5 67.5 43 70
G12 38 24.2 37 M22X1.5 G1/2" NPT1/2" 19 78.1 86.5 52 83
G16 38 24.2 37 M27X2 G3/4" NPT3/4" 19 78.1 86.5 55.5 89
G20 48 35 48 M33X2 G1" NPT1" 24 102.3 114.4 70.8 117
G25 60 50 48 M42X2 G1 1/4" NPT1/4" 30 134.68 148.1 97 154
G30 70 70 80 M48X2 G1 1/2" NPT1/2" 35 161.5 181.5 111 172
G40 90 71 80 M60X2 G2" NPT2" 45 171.5 191.5 129 190

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