Differential Pressure Regulator (7S7810)
Usage:
(1) Dimension for valve testing with two 1S9030 Spacers (5) in place:
Put pressure in chamber at (A) ... 6.66 to 7.21 psi(46 to 50 kPa)
Maximum dimension under test pressure ... 2.893 in.(73.48 mm)
(2) 2S4655 Spring:
Length under test force ... 3.05 in.(77.5 mm)
Test force ... 81.5 ± 4 lb.(363 ± 18 N)
Free length after test ... 4.28 in.(108.7 mm)
Outside diameter ... 2.63 in.(66.8 mm)
(3) Torque for nut ... 55 ± 15 lb. in.(6.3 ± 1.7 N·m)
(4) Torque for bolts ... 55 ± 15 lb. in.(6.3 ± 1.7 N·m)
(5) 1S9039 Spacers for altitude adjustment:
Use two between ... 0 to 1500 ft.(0 to 457 m)
Use one between ... 1500 to 4000 ft.(457 to 1219 m)
Use none between ... 4000 to 6500 ft.(1219 to 1981 m)
Caterpillar Information System:
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