
PBD DIRECT OPERATED PRESSURE RELIEF VALVES |
PBD series relief valves are direct operated poppet type used to limit pressure in a hydraulic system. The design can be divided into pop- pet (Max.400bar)and ball(Max.630bar)type.There are 7 pressure adjustment ranges available 25; 50; 100; 200; 315; 400;630bar. I t ha s characteristic s o f compac t structure , hig h performance , reliabl e work, low noise and long service life. These series are widely applied to many lower flow systems, can be also used as relief valve and remote control valve, etc. |  |
Technical data |
Size | 6 | 8 | 10 | 15 | 20 | 25 | 30 | Operating presssure(Mpa) | 31.5 | Max. flow rate (L/min) | 35 | 60 | 80 | 150 | 200 | 250 | 300 | Fluid temperature(¡ãC) | -20~70 | Filtration accuracy(¦Ìm) | 25 |
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PBD*K Dimensions for cartridge |
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Size | D | D1 | D2 | D3 | L | L1 | L2 | L3 | L4 | L5 | 6 | M28x1.5 | 25H8 | 15 | 6 | 65 | 56.5¡À1 | 45 | 35 | 19 | 15 | 10 | M35x1.5 | 32H8 | 18.5 | 10 | 80 | 67.5¡À1 | 52 | 41 | 23 | 18 | 20 | M45x1.5 | 40H8 | 24 | 20 | 110 | 91.5¡À1 | 70 | 54 | 27 | 21 | 30 | M60x2 | 55H8 | 38.75 | 30 | 140 | 113.5¡À1 | 84 | 60 | 29 | 23 |
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Installation dimensions |
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Size | L | L1 | L2 | L3 | L4 | M | M1 | N | N1 | 6 | 80 | 15 | 55 | 20 | 40 | 60 | 45 | 45 | 25 | ( 8 ) 10 | 100 | 20 | 70 | 21 | 49 | 80 | 60 | 60 | 40 | ( 15 ) 20 | 135 | 20 | 100 | 34 | 65 | 100 | 70 | 70 | 50 | ( 25 ) 30 | 180 | 25 | 130 | 35 | 85 | 130 | 100 | 90 | 60 |
| D | D1 | D2 | D3 | D4 | Inch | Metric | G1/4" | M14x1.5 | 25 | M6 | 6 | M6 | (G3/8")G1/2" | (M18x1.5)M22x1.5 | ( 28 ) 34 | M8 | ( 8 ) 10 | M8 | (G3/4")G1" | (M27x2)M33x2 | ( 42 ) 47 | M8 | ( 15 ) 20 | M8 | (G1 1/4")G1 1/2" | (M42x2)M48x2 | ( 56 ) 61 | M10 | ( 25 ) 30 | M10 |
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