Spring Valve Pneumatic Actuator for Control Valve

MAP Pinion-and rack type pneumatic actuator

Introduction:

MAP series pneumatic actuator is the new product with latest technology, nice shape and compact structure. MAP has three series according to torque: MAP pinion-and-rack Type, MAPF Fork Type and MAPB large Fork Type. MAP series is widely used in the field of automatic control.


Features :

1) Double-piston rack
2) Integrated Design
3) High Output Power
4) Integrated Design
5) Long Service Life
6) Stainless steel fasteners for long term corrosion resistance
7) The interface between piston, pinion and body is made of low friction material



Specifications:

1) Air pressure: 2bar~8bar
2) Adjustment range: 90°±5°
3) Ambient temperature: S: -20ºC~+80ºC, L: -40ºC~+80ºC, H: -20ºC~+150ºC.
4) Work medium: dry and clean air or non-corrosive gas.
5) Acting type: Single acting (spring return), double acting
6) Life time:  above one million times
7) Body material: aluminum die-casting
8) Body diameter size:52~400mm

Standards:

CE, ISO5211, DIN3337 and NAMUR.


Structure:

1) Indicator
Multi-function position indicator with NAMUR is convenient for mounting accessories such as positioner, limit switch and so on;

2) Pinion
The pinion is high-precision and integrative, made from nickel plating steel, full conform to the standards of ISO5211, DIN3337, NAMUR. The size can be customized and stainless steel is available;


3) Body
According to the different requirements, the extruded aluminum alloy ASTM6005 body can be coated with hard anodized, polyester PTFE or nickel;

4) End caps
End caps are made of Aluminum die-casting, and can be coated with polyester, metal powder, PTFE and nickel;

5) Piston
The twin rack pistons are made of aluminum die-casting coated with hard anodized or steel coated with Zinc. Long lifespan, fast operation and reversed rotation by simple reversing;


6) Stroke adjustment
The two independent external travel bolts can accurately adjust ±5°at both open and close position;


7) High performance spring
Preloaded springs are made from high quality material for resistant to corrosion and longer lifespan, which can be demounted safely and conveniently to satisfy different requirements of torque by changing quantity of springs;


8) Bearing & Guide
Made from low friction, long-life compound material, to avoid the direct contact between metals. The maintenance and replacement are easy and convenient;


9) O-rings
NBR O-rings provide trouble-free operation at standard temperature ranges. Viton or silicone for high and low temperature.




Product Number