cashco SA1 Manuel d'installation, d'utilisation et d'entretien - Page 8

Parcourez en ligne ou téléchargez le pdf Manuel d'installation, d'utilisation et d'entretien pour {nom_de_la_catégorie} cashco SA1. cashco SA1 12 pages. Ultra high purity, spring loaded pressure reducing regulators

cashco SA1 Manuel d'installation, d'utilisation et d'entretien
4.
Leakage at diaphragm flange.
Possible Causes
A. Body bolts not torqued properly.
B. Pressures at diaphragm may be too
high for regulator design.
5.
Leakage across seat.
Possible Causes
A. Contamination (debris) in regulator.
B. Oversized regulator; plug operates
directly next to seat.
* Excess seat leakage may be diagnosed when a failure of the dynamic side seal has occurred. Inspect both
potential internal leak paths.
C. Failure due to wear.
D. Improper installation.
8
A1. Torque to proper value (see Section VII, F.13).
A2. Failed C-ring seal. Replace seal.
B.
Consult factory.
A1. Remove internals, clean and if necessary, replace sealing
seating elements. *
A2. Install UHP filter at inlet.
B.
Check actual flow conditions; resize regulator for minimum and
maximum flow; if necessary, replace with smaller regulator.
C1. Replace seat.
C2. Replace all internal trim due wear.
D1. Failure to "coin" CTFE or VTFE seat; disassemble and "coin".
D2. Improper re-assembly. Disassemble and re-assemble per
instructions within IOM.
Remedies
Remedies
IOM-CA1/SA1