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General| Series | R series |
|---|---|
| Manufacturer | Metso (now Valmet) |
| Size | Varies by model |
| Pressure class | Varies by model |
| Temperature range | Varies by model |
| Materials | Carbon steel, stainless steel |
| Actuator type | Pneumatic, electric, hydraulic |
| Applications | Control |
| Mounting | Flanged |
| Control signal | 4-20 mA, HART |
| Power supply | 24 VDC, 110 VAC, 220 VAC |
| Enclosure rating | NEMA 4X |
| Communication | HART, Foundation Fieldbus, Profibus |
| Certifications | ATEX, IECEx, SIL |
Provides essential information on R series V-port segment valves, including actuators and accessories.
Details the construction of RA, RE, and RE1 series V-port segment valves, including body and segment separation.
Explains body markings and identification plate details for valve identification.
Table of initial openings (%) for RE/RA segment valves with different seats.
Specifies the maximum and minimum operating temperature limits for RA and RE series valves.
Confirms compliance with European Directive 2014/68/EU for pressure equipment.
Warns against exceeding valve performance limits to prevent damage and injury.
Advises against dismantling pressurized valves to prevent uncontrolled pressure release.
Alerts to potential injury from the moving segment during valve actuation.
Advises awareness of potential pipeline noise generated by the valve.
Alerts users to potential burns from hot or cold valve surfaces.
Stresses the importance of considering valve weight during handling and lifting.
General instructions for installation and commissioning, including cleanliness checks.
Details on installing the valve correctly in the pipeline, considering flow direction.
Notes on actuator installation and its relation to the valve assembly.
Steps for commissioning, ensuring proper adjustment and connections are made.
General advice on preventative maintenance and recommended inspection intervals.
Step-by-step guide for replacing gland packing in RA series valves.
Procedure for detaching S or U-type seats from the valve body.
Steps for installing a new seat into the valve body.
Guidelines for inspecting removed valve components for damage or wear.
Steps for reassembling the valve after maintenance or repair operations.
Procedures for pressure testing the valve body and closure tightness.
Overview of mounting actuators using suitable brackets and couplings.
Instructions for installing EC and EJ series actuators onto the valve.
Steps to detach EC and EJ series actuators from the valve assembly.
Installation steps for B1J spring-return actuators (spring-to-close operation).
Lists special tools required for the removal of actuators from the valve.
Lists special tools needed for mounting and removing valve seats.
Provides an exploded view and parts list for the RA series V-port segment valves.
Detailed dimensions, mounting information, and weights for RA series valves.
Table showing flange suitability for RA and RE1 valves across various sizes and standards.
Details flange ratings for RE valves across different sizes and pressure classes.
Explanation of the type code structure for RA series V-port segment valves.
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