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General| Brand | Metso |
|---|---|
| Model | D Series |
| Category | Control Unit |
| Language | English |
Provides essential information about the use of Series D ball valves. Refers to other manuals for actuators and equipment.
Describes Series D flanged ball valves, their construction, features like low-friction bearings, and suitability for shut-off/control.
Details markings found on the valve body and identification plate, including material, ratings, and type code.
Lists technical specifications like face-to-face length, body ratings, pressure differential, temperature range, flow direction, and leakage rates.
States that the valve meets European Directive 97/23/EC requirements for pressure equipment.
Provides guidance on recycling valve parts and returning valves to the manufacturer for disposal.
Highlights critical safety warnings regarding performance limits, pressurized valves, moving parts, noise, temperatures, and weight.
Procedure for preparing the valve for mounting, including removing protectors and checking for dirt.
Guidance on installing the valve in the pipeline, including handling weight and avoiding misalignment.
Instructions for applying insulation to the valve, specifying the limit for insulation placement.
Notes on mounting the actuator, checking its function, and indicating the closed position of the ball.
Steps for commissioning, including checking for impurities, flushing, and verifying actuator/positioner adjustments.
General advice for maintenance, emphasizing safety precautions, using original spare parts, and referring to exploded views.
Procedures for maintaining a valve installed in the pipeline, covering packing, body joints, and ball turning.
Steps for safely removing the actuator, including disconnecting supply and cables, and using an extractor.
Procedure for safely removing the valve from the pipeline, ensuring it is empty and unpressurized.
Instructions for removing, cleaning, and inspecting the ball, including checking for damage and using an eyebolt for larger sizes.
Guidance on checking bearings, particularly PTFE bearings, for wear.
Procedure for removing and cleaning valve seats, checking tightening surfaces.
Instructions for replacing body and bonnet gaskets and cleaning sealing surfaces.
General instructions for cleaning and inspecting all other valve parts.
Detailed instructions for fitting T and S seats, including back seals, back-up rings, and springs.
Instructions for installing PTFE bearings onto thrust and trunnion bearings.
Procedure for installing high-tolerance cobolt alloy bushings as bearings.
Overview of actuator mounting options, including M manual and B1 series actuators.
Steps for mounting an M actuator, including stem preparation, coupling, and position adjustment.
Specific instructions for mounting B1J spring return actuators, focusing on piston position and valve state.
Instructions for mounting B1JA spring return actuators, noting differences from B1J type.
Provides an exploded view and parts list for D2 valves with T and S constructions.
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