Emerson A31A Instruction Manual download pdf (Page 3)

A31A Valve

Instruction Manual

Form 5291

March 2008

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.

S21800

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Emerson A31A Instruction Manual Page 3