Relief Valve (Lift Circuit)
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| 图 1 | g00291579 |
(1) 螺母的扭矩 ... 50 ± 7 N·m (37 ± 5 lb ft)
(2) 阀体的扭矩 ... 65 ± 5 N·m (48 ± 4 lb ft)
(3) 4T-2741 弹簧
- 在测试力下的长度 ... 58.7 mm (2.31 in)
- 测试力 ... 240 ± 20 N (55 ± 4 lb)
- 测试后的自由长度 ... 61 mm (2.4 in)
- 外径 ... 15.75 mm (0.620")
- 测试力 ... 240 ± 20 N (55 ± 4 lb)
(4) 用要密封的润滑剂润滑密封件。
49° ± 3°C (120° ± 5°F) 时的流速 ... 38 ± 4 L/min (10 ± 1 US gpm)
提升回路安全阀压力设定 ... 31025 ± 345 kPa (4500 ± 50 psi)
Caterpillar Information System:
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