Quantcast Check Valve Replacement

 

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Figure 4-6. Typical line-hose cylinder application
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TM-5-5420-205-14 Superstructure Interior Bay Mobile Floating Assault Bridge/Ferry NSN
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Figure 4-8. Pilot operated check valve, end bay model no. 2271, removal and installation.
TM 5-5420-205-14
(1)
The valve located on end bay 2195-2
to prevent entry of foreign material.
Disconnect
opposite end of hose in similar manner.
has a pressure rating of 10,000 psi, and a pilot pressure
of 2,500 psi maximum. The valve size is 34 inch; it has
(4)
Remove cover or plug and install new
a 26 gallons per minute at 40 psi drop, with opening
hose at one end.  Trace color code lines on hose,
ratio of 6.4:1, and decompression ratio of 39.2:1.
keeping it on same side complete distance of run; place
(2)
The check valve located on end bay
other coupling in position and secure.
model 2271 has an operating pressure of 3,000 psi
(5)
Fill hydraulic system.
maximum, and pilot pressure of 2,500 psi maximum.
4-15.  Check Valve Replacement
Valve size is %/4 inch; 26 gallons per minute at 40 psi
a.  Refer to figure 4-7 for removal and installation
drop, opening ratio of 6.4: 1, and decompression ratio of
of the folding cylinder check valves (located on
35: 1 (TM 5-5420-205-20P, part number 13207E6683).
superstructure end bay models 2195-2 and 2271).
Figure 4-7. Checkvalve, removal and installation.
b.
Refer to figure 4-8 for removal and installation
pilot port is 3/8 inch; two ports are inch. The valve
of check valve, pilot operated (located on superstructure
passes 10 gallons per minute, has a proof pressure of
end bay model 2271).  This valve has an operating
5,000 psi (minimum), and a burst pressure of 8,000 psi
pressure of 3,000 psi and a set pressure of 600 psi. The
(minimum).
4-10

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