Belef Pneumatic Actuator Co., Ltd. - 瑞力流体控制无锡有限公司

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BELEF C - Series Scotch Yoke Pneumatic Actuator

BELEF RC-Series Scotch Yoke Pneumatic Actuators -Double Acting/Single Return

BELEF C-series scotch yoke pneumatic actuators deliver exceptional torque output in a compact and robust design. The unique scotch yoke mechanism ensures smooth, reliable 90-degree rotation, ideal for quarter-turn valves like ball and butterfly valves. Built for durability and consistent performance in demanding industrial environments, these actuators offer a cost-effective and low-maintenance solution for precise and powerful automation.

Product Documents

C-SERIES PNEUMATIC ACTUATOR.pdf

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Production Features

● RC series Heavy Duty actuator is widely used for quarter-turn valve. Such as ball valve,butterfly valve,plug valve and etc.

Applicable for on-off and modulating service.

● RC01 series actuator is symmetric designed. Highest output torque on position 0° and 90°. Smallest output torque in the middle stroke. Conform to the torque characteristics of ball valve. ● RC02 series actuator is canted designed. Bigger output torque on position O°. Conform to the torque characteristics of butterfly valve. ● Hard chrome-plating for the inner wall of cylinder, ensure longer service life. ● The track is high frequency quenching and grinding treated, the slider block is self-lubricating designed, Ensure long service life.

● Different types of manual override are available for RC series actuator, Including: screw manual, gear manual and hydraulic manual, also accessories: solenoid valve, limit switch and others.

● Modular design, convenient for assembly, maintenance and storage. ● RC spring return actuator can provide output torque up to 56oooo N.m, RC double acting actuator can provide output torque up to 54ooooN.m. The maximum working pressure for single acting actuator is 1o Bar, The maximum working pressure for double acting actuator is 9 Bar. ● Two independent end stroke adjustment bolts, Valve end stroke ±6° adjustable. ● Working temperature: Low temperature: -60/-50/-40°C~80°C Standard: -20°C~80°C High temperature: -20°C~150°C ● Comply with IP rating higher than IP65.

Production Specification

Actuation	Double-acting, Spring-return
Shell size	01 ~ 08
Cylinder size	200 ~ 1500
Power supply	Pneumatic
Product type	Pneumatic Scotch Yoke Actuator
Output torque value	Double Acting : 532 ～ 540000Nm Spring Return：301 ～ 560000Nm
Max. air supply pressure	Double acting is 9bar/130psi Single return is 10bar/145psi
Operating temperature	Standard temperature range: -60/-50/-40°C~80°C Low temperature range: -20°C~80℃ High temperature range: -20°C~150°C
Scotch yoke	Symmetrical type/ Canted type
Strike adjustment	both direction open and close positions(+, - 6°)
Manual override	Screw manual, gear manual and hydraulic manual
Valve type	Ball, butterfly, plug and any other quarter turn application
Valve mounting and drive dimensions	ISO 5211
Accessories	solenoid valve, limit switch and others
Mounting for solenoid valves and switch box	NAMUR standard
Certifications	CE, ISO9001, ATEX 2014/34/EU, SIL3 ECM, ECM 22 ATEX - AR C015, SGS