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ISO 7241-A/Quick Couplings/

S1 Close Type Hydraulic Quick Coupling

S1 open and close hydraulic quick coupling product parameters:
Product model: S1
Product material: carbon steel, stainless steel, brass
Temperature range: -25°C to +120°C
Rated pressure: 15-50Mpa
Application for: construction equipment, forestry equipment, agricultural machinery, petroleum equipment, steel equipment, chemicals and other required hydraulic applications
Specifications and models: 1/4, 3/8, 1/2, 3/4, 1, etc.
S1 open and close hydraulic quick coupling features:
1.Produced according to ISO7241-A international standard
2. Needle valve design to increase the flow of fluids
3. Locking ball system for quick connect and discharge
4. Key parts are air-hardening, with good durability

  • Product Details
  • Socket
  • Plug
  • Coupling Fitting
Body Size(in) 1/4 3/8 1/4 3/4 1 1-1/4 1-1/2 2
Rated Pressure(PSI) 5000 4000 4000 3000 3000 3000 2000 2000
Rated Flow(GPM) 3 6 12 28 50 88 220 240
Temperature Range  -20℃ to +120℃
Standard seal material NBR

IS0 PART NO LS D HEX1 A T
6.3 S1-02SF 50 26 19 13 G1/4 NPT1/4
10 S1-03SF 56 31.5 22 14 G3/8 NPT3/8
12.5 S1-04SF 66 38.5 27 16 G1/2 NPT1/2
20 S1-06SF 80 48 34 18 G3/4 NPT3/4
25 S1-08SF 94 56 41 21 G1 NPT1
31.5 S1-10SF 117 69.5 50 25 G1-1/4 NPT1-1/4
40 S1-12SF 133 84 60 27 G1-1/2 NPT1-1/2
50 S1-16SF 165 99 75 26 G2 NPT2

IS0 PART NO LP D C HEX2 A T
6.3 S1-02PF 35.5 11.8 15 19 13 G1/4 NPT1/4
10 S1-03PF 36.5 17.3 21.4 22 14 G3/8 NPT3/8
12.5 S1-04PF 43.5 20.5 27 27 16 G1/2 NPT1/2
20 S1-06PF 57 29 28 35 18 G3/4 NPT3/4
25 S1-08PF 59.5 34.3 36 41 21 G1 NPT1
31.5 S1-10PF 75 45 46 50 25 G1-1/4 NPT1-1/4
40 S1-12PF 83.5 55 52 60 27 G1-1/2 NPT1-1/2
50 S1-16PF 105 65 64 75 26 G2 NPT2

IS0 PART NO L D HEX1 HEX2 T
6.3 S1-02 71 26 19 19 G1/4   NPT1/4
10 S1-03 75 31.5 22 22 G3/8   NPT3/8
12.5 S1-04 88 38.5 27 27 G1/2   NPT1/2
20 S1-06 110 48 34 35 G3/4  NPT3/4
25 S1-08 119.5 56 41 41 G1  NPT1
31.5 S1-10 150 69.5 50 50 G1-1/4            NPT1-1/A
40 S1-12 167.5 84 60 60 G1-1/2 NPT1-1/2
50 S1-16 210.5 99 75 75 G2  NPT2

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