Industrial Valve Servicing & Hydro Testing

Scope Overview

Complete in-situ and shop overhaul, internal seat lapping, gland packing replacement, and calibrated hydrostatic pressure testing for critical isolation, safety relief, and control valves.

Documented Scope Activities

• Unbolting from pipeline manifolds and safe crane rigging
• Internal and external grit cleaning and visual seat inspection
• Precision lapping of gates, plugs, and seats to eliminate passing
• Replacement of internals, gland packing, bonnet gaskets, and stems
• Body hydrostatic testing and seat leak tightness testing on calibrated benches
• Controlled boxing up and re-installation with specified torque sequences

Equipment & Systems Handled

• Gate, Globe & Check Valves
• Pressure Safety & Relief Valves (PSV)
• Pneumatic & Electric Control Valves
• High-pressure wedge and ball valves