cashco CA1 설치, 운영 및 유지보수 매뉴얼 - 페이지 8

{카테고리_이름} cashco CA1에 대한 설치, 운영 및 유지보수 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. cashco CA1 12 페이지. Back pressure / relief regulators
cashco CA1에 대해서도 마찬가지입니다: 설치, 운영 및 유지보수 매뉴얼 (10 페이지)

페이지 인쇄

Leakage at diaphragm flange.

Possible Causes

A. Body bolts not torqued properly.

B. Pressures at diaphragm may be too

high for regulator design.

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.

A1. Torque to proper value (see Section VII, F.13).

A2. Failed C-ring seal. Replace seal.

Consult factory.

A1. Remove internals, clean and if necessary, replace sealing

seating elements. *

A2. Install UHP filter at inlet.

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

IOM-CA1/SA1