Pneumatic Actuator-HENAN MF VALVE CO.LTD.

Pneumatic Actuator Double Acting AT Series

Valve Connecting Standard:	ISO 5211 F03-F25 standard
Air Connecting Standard:	NUMAR Standard
Available Size:	AT32/AT40/AT52/AT63/AT75/AT83/AT92/AT105/AT125/AT140/AT160
Working Conditions:	For Butterfly vlave,Ball valve etc.

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General Drawing of AT Series Double Acting Pneumatic Actuator

NO.	NAME	MATERIAL	QTY.	ANTI-CORROSION TREATMENT	OPTIONAL MATERIAL
1	INDICATOR SCREW	PLASTIC	1	-	-
2	INDICATOR	PLASTIC	1	-	-
3	AXIE BLOCK	STAINLESS STEEL	1	-	-
4	METAL GASKET	STAINLESS STEEL	1	-	-
5	OUTER GASKET	ENGINEERING PLASTICS	1	-	-
7	INNER GASKET	ENGINEERING PLASTICS	1	-	-
10	UPPER SHAFT SUPPORT RING	ENGINEERING PLASTICS	1	-	-
12	LOWER SHAFT SUPPORT RING	ENGINEERING PLASTICS	1	-	-
20	PISTON SUPPORT RING	ENGINEERING PLASTICS	1	-	-
9	UPPER SHAFT O-RING	NBR	1	-	VITON/ SILICON RUBBER
13	LOWER SHAFT O-RING	NBR	1	-
15	ADJUSTING BOLT O-RING	NBR	2	-
NO.	NAME	MATERIAL	QTY.	ANTI-CORROSION TREATMENT	OPTIONAL MATERIAL
21	PISTON O-RING	NBR	2	-	VITON/ SILICON RUBBER
23	END CAP O-RING	NBR	2	-
14	MATCH HEAD	NBR	2	-
16	NUT	STAINLESS STEEL	2	-	-
17	ADJUSTING BOLT	STAINLESS STEEL	2	-	-
18	PISTON	DIE-CAST ALUMINIUM ALLOY	2	HARD OXIDATION	-
19	PISTON GUIDE	ENGINEERING PLASTICS	2	-
6	CYLINDER	ALUMINIUM ALLOY	1	HARD OXIDATION	-
8	ADJUSTMENT BLOCK	CARBON STEEL	1	NICKEL PLATED	-
11	AXIS	CARBON STEEL	1	NICKEL PLATED	STAINLESS STEEL
22	SPRING	SPRING STEEL	0-12	DIPPING	-
24	END CAP	DIE-CAST ALUMINIUM ALLOY	2	POWDER COATING	-

FRL of Pneumatic Actuator means Filter,Pressure reducing valve and Lubricator

Working Principle Diagram For AT Series Double Acting Pneumatic Actuator

A port enters into the air, the compressed air pushes the piston outward to make the actuator output shaft rotate counterclockwise (0°-90°), then the B port exhausts.