Blue Heavy Duty Scotch Yoke Pneumatic Actuator Directly Mounting Butterfly Valve

1,Applicable range:

This product is applicable to part rotary motion type valve pneumatic device (hereinafter referred to as the pneumatic actuator), it is connected with the ball valve, butterfly valve, plug valve to form various pneumatic valves for the automatic control and centralized control of pipeline. The following conditions:

1.1 Working Pressure: 0.4~0.8Mpa;

1.2 Working Ambient Temperature and Working Medium(gas) Temperature:

1.2.1 Standard Temperature Type: -20℃～+80℃, using Buna-N rubber O-ring;

1.2.2 Low Temperature Type: -40℃～+80℃, using silicon rubber O-ring;

1.2.3 High Temperature Type: -20℃～+150℃, using fluorous rubber O-ring;

1.3 The air supply should be clean and dry air, without corrosive gases, solvent or other liquid;

1.4 The working line speed of piston outer diameter: 10～60mm/s;

1.5 The pneumatic device with solenoid control, the input voltage are: DC12V, DC24V, DC36V,AC220V

The pneumatic actuator with positioner, the input signal power value should be in the range of 4~20Ma.

2,Quoted standard:

GB 1.3 Standardized working guide Drafting rules of product standard

GB 196 Common thread Basic size

GB 197 Common thread Tolerance and fits

GB 1173 Casting aluminium alloy

JB 8 Product label

HG 4-329 Rubber product technology condition

NAMUR Output shaft groove, screw, top mounting hole size

ISO5211, DIN3337 Bottom mounting hole size

3,Term:

3.1 Part rotary motion type valve pneumatic actuatorIn the closed air circuit, the pneumatic actuator driven by compressed air to make the output shaft is less than 360° rotary motion.

3.2 The stroke of pneumatic actuator

Under the action of compressed air, the moving distance or angular rotation of that the output shaft moved along the axis direction.

4,Table:

Sliding face	Surface roughness Ra um
Shaft O-ring seal	0.8～0.4
The sliding face of inner surface of the cylinder
The sliding face bore of inner surface of the cylinder≤200mm	0.8～0.4
The sliding face bore of inner surface of the cylinder>200mm	1.6～0.8
Shaft,piston tooth face	3.2～1.6

5, Project: