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Rotork GP/GH Range - Heavy-Duty Scotch Yoke Pneumatic & Hydraulic Actuator
Brand: Rotork PLCGP (pneumatic) and GH (hydraulic) range scotch yoke actuators are designed to provide a rotary, quarter-turn movement for either on/off or modulating duty.
The rugged yet compact design is available with two different yoke designs.
The classic symmetric yoke delivers peak torque at both ends of stroke.
Alternatively, they can be supplied with canted torque arms designed to deliver peak torque at only one end of stroke.
Use of canted arms can often reduce actuator size, weight and cost for valves with appropriate torque demand characteristics.
Features- Pneumatic and hydraulic actuators in double-acting and spring-return configurations
- Corrosion resistant cylinders
- Complies with EN60529 (1991) + (A1:2000) for IP67M
- Suitable for use in SIL2 and SIL3 rated safety systems
- Certified to IP66M/67M
- Certified to ATEX 2014/34/EU
- Certified in accordance with PED 2014/68/EU
- Torque output to 600,000 Nm (5,300,000 lbf.in)
- Certified suitable for use at SIL3 as a single device (IEC 61508)
Specifications
Brand
Operating Pressure
- Hydraulic: up to 3,000 psi (210 bar)
- Pneumatic: up to 175 psi (12 bar)
Features
- Manual Override
Torque
- Output: Max. 600,000 Nm (5.3 Million lbsf.in)
Environmental Protection
- IP66M
- IP67M
Operating Temperature
- Extreme Low: -76° to 320° F (-60° to 160° C)
- High: -4° to 320° F (-20° to 160° C)
- Low: -40° to 320° F (-40° to 160° C)
- Standard: -22° to 212° F (-30° to 100° C)
Enclosure, Body Material
- CentreBody: Carbon Steel / Ductile Iron
Flange Material
- Carbon Steel
O-Ring Material
- NBR
Material of Construction
- Rod Bushing: Steel / Bronze / PTFE
- Sliding Ring: PTFE/Graphite
- Thrust bar, Tie Rod, Stop Screw, Spring & Connecting Rod: Alloy Steel
- Yoke Bushing: Bronze
- Yoke, Guide Block, Piston Rod, Piston, Pneumatic Cylinder & Spring Cartridge: Carbon Steel
- Yoke: Ductile Iron
Seal Material
- NBR/PTFE/Graphite
Approvals & Certifications
- ATEX
- EAC
- PED
Approvals & Certifications
- SIL 3
Thrust
- Maximum 10,000 kgf (22,046 lbsf)
Documentation
Dimension Data
- G Microswitch Coupling pdf 92 KB
- G Power Control Coupling pdf 75 KB
- G Valve Coupling pdf 42 KB
- GH General - Metric xls 1.9 MB
- GH with HP Override General - Metric xls 2.2 MB
- GP Double Acting Dimension Data - Metric pdf 1.5 MB
- GP Spring Return Dimension Data – Metric - English pdf 4.5 MB
- GP Spring Return Dimension Data – Metric - Portuguese pdf 5.7 MB
Manuals
- GH Installation & Maintenance - Czech pdf 918 KB
- GH Installation & Maintenance - Danish pdf 2.8 MB
- GH Installation & Maintenance - English pdf 2.8 MB
- GH Installation & Maintenance - French pdf 626 KB
- GH Installation & Maintenance - Russian pdf 2.9 MB
- GH Installation & Maintenance - Swedish pdf 1.6 MB
- GP Installation & Maintenance - Dutch pdf 4.1 MB
- GP Installation & Maintenance - English pdf 4.1 MB
- GP Installation & Maintenance - French pdf 4.1 MB
- GP Installation & Maintenance - Japanese pdf 4.4 MB
- GP Installation & Maintenance - Portuguese pdf 4.1 MB
- GP Installation & Maintenance - Russian pdf 4.2 MB
- HP Hydraulic Override Installation and Operation - English pdf 1.3 MB
- HP Hydraulic Override Installation and Operation - French pdf 1.3 MB
- HP Hydraulic Override Installation and Operation - German pdf 903 KB
- HP Hydraulic Override Installation and Operation - Russian pdf 941 KB
- Rigid Firebox Assembly Instructions - English pdf 294 KB
- Rigid Firebox Assembly Instructions - Spanish pdf 378 KB