Instructions for use
Maintain each valve according to the use and maintenance instructions prepared for its type. On site, check the paint, external corrosion, the vent and drain fittings, stem lubrication, and internal and external leakage.
Depressurize the valve before any maintenance work. The maintenance intervals and steps are in the instructions for your product.
Basic Steps in Valve Maintenance
Each product has its own use and maintenance instructions. Select your product to open them. The instructions cover each step, from selection and installation to periodic checks.
Selection, packaging, storage, transport, installation, periodic checks, lubrication, dismantling, and venting and draining for API 6D ball valves.
Features, design and testing standards, the pig launching and receiving procedures, and the maintenance instruction.
Selection, storage, installation, periodic checks, lubrication and dismantling for one-piece body valves.
Selection, storage, transport, installation, periodic checks, lubrication, dismantling and final adjustment.
Selection, packaging, storage, installation, operating rules and maintenance for valves in gas service.
Working principle of L and T type valves, selection, storage, transport, installation, periodic checks, lubrication and dismantling.
Selection, installation, points to observe in use, tools and materials, and flange connection bolts.
Selection, installation orientation, when to clean by differential pressure, the cleaning procedure, and screen inspection and replacement.
Selection, installation, points to observe in use, tools and materials, and flange connection bolts.
Selection, mounting, points to observe in use, tools and materials, and flange connection bolts.
