Instruction manual

A31A Valve
Instruction Manual
Form 5291
March 2008
3
Figure 2. Maximum Pressure/Temperature Ratings
B23352/IL
TEMPERATURE LIMITATIONS DO NOT ACCOUNT FOR THE
ADDITIONAL LIMITATIONS IMPOSED BY THE BACKUP RING
USED WITH THIS SEAL. TO DETERMINE THE EFFECTIVE
TEMPERATURE LIMITATION OF THE APPROPRIATE SEAL/
BACKUP RING COMBINATION, REFER TO TABLE 2.
NOTE:
BECAUSE OF POTENTIAL EROSIVE EFFECTS AND
PREMATURE SEAL FAILURE THAT CAN OCCUR, THROTTLING
PTFE SEALS AT DIFFERENTIAL PRESSURES GREATER THAN
20.7 BAR (300 PSID) AT DISC ANGLES LESS THAN 20_ OPEN IS
NOT RECOMMENDED.
2
1
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