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Steps for removing the top guide and O-ring retainer from the valve.
Steps to disassemble the spring and stem components of the safety relief valve.
Inspect the top stem guide for paint, debris, nicks, burrs, and discontinuities.
Inspect the valve stem for scale, corrosion, pitting, straightness, and cracking.
Inspect the O-ring retainer for pits, corrosion, or gouges affecting sealing.
Inspect valve seat, mounting flange, and gasket groove for defects.
Inspect the valve spring for corrosion, pitting, cracking, and straightness.
Inspect the spring guide for corrosion, pitting, and wear.
Inspect the spring follower for corrosion, pitting, and wear.
O-rings must be replaced when the retainer is removed from the stem.
Specifies start-to-discharge and vapor-tight pressures for ARI 1108 and HP1108 models.
Outlines requirements for test stands and gauges used for valve testing.
General| Brand | ARI |
|---|---|
| Model | 1108 |
| Category | Control Unit |
| Language | English |
