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Pneumatic wafer butterfly valve

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The pneumatic butterfly valve has full functions, small size, reliable performance, simple matching and large flow capacity. It is widely used in industrial automation control systems in food, environmental protection, light industry, petroleum, fire fighting, chemical, electric power and other industries.

Parts and Materials

No.	Description	QTY	Meterial	Protection	Optional Meterial
1	Indicator screw	1	Plastic
2	Indicator	1	Plastic
3	Spring clip	1	Stainless Steel
4	Thrust washer	1	Stainless Steel
5	Outside washer	1	Engineering Plastics
6	Body	1	Extruded alluminum ally	Hard anodized etc
7	Bearing(pinoion top)	1	Engineering Plastics
8	Inside washer	1	Engineering Plastics
9	O-ring(pinoion top)	1	NBR		Viton/Silicone
10	Cam	1	Alloy steel
11	Pinion	1	Alloy steel	Nickel plated	Stainless Steel
12	O-ring(pinoion bottom)	1	Engineering Plastics
13	Bearing(pinoion bottom)	1	NBR		Viton/Silicone
14	Plug	2	NBY		Viton/Silicone
15	O-ring(Adjust screw)	2	NBY		Viton/Silicone
16	Adjusting screw washer	2	Stainless Steel
17	Nut(Adjust screw)	2	Stainless Steel
18	Adjust screw	2	Stainless Steel
19	Piston	2	Cast alluminum/casting	Anodized/Zinc galvanized	Stainless Steel
20	Guide(Piston)	2	Engineering Plastics
21	Bearing(Piston)	2	Engineering Plastics
22	O-ring(Piston)	2	NBY		Viton/Silicone
23	Spring	0-12	Sping steel	Dip coating
24	O-ring(End cap)	2	NBY		Viton/Silicone
25	End cap	2	Cast alluminum	Powder polyster painted etc
26	Cap screw	8	Stainless Steel
27	Stop screw	2	Stainless Steel
28	Nut(Stop screw)	2	Stainless Steel

Picture show

Technical details

Size:	DN15-DN800	Pneumatic Actuator:	Double acting&Single acting
Temperature:	≤120℃	Limit switch:	ON-OFF (Two-way& Three-way)
Medium:	Water,Natural gas, Alcohols, Salts, Alkalis, Oil,Air, etc.	Solenoid valve:	AC220V,AC24V,DC24V,DC12V AC380V
Working Pressure:	PN16	Filters:	0.1-1.6（mpa）
Connections:	wafer

Main parts and materials

Dimensions

DN (mm)	L	L1	L2	D	D1	n-ød	Pneumatic actuator
50	42	178	121	52.9	120	4-ø23	AT050D/AT063S
65	44.7	178	121	64.5	136.2	4-ø26.5	AT063D/AT075S
80	45.2	210	131	78.8	160	8-ø18	AT063D/AT088S
100	52.1	210	131	100.4	185	4-ø24.5	AT075D/AT100S
125	54.4	210	131	123.3	215	4-ø23	AT088D/AT100S
150	55.8	309	160	155.6	238	4-ø25	AT100D/AT125S
200	60.6	309	160	202.5	295	4-ø25	AT125D/AT145S
250	65.6	309	160	250.5	357	4-ø29	AT145D/AT160S
300	76.5	309	177	301.6	407	4-ø29	AT160D/AT190S
350	76.5	309	177	333.3	467	4-ø30	AT190D/AT210S
400	86.5	309	177	389.6	515	4-ø30	AT190D/AT240S
450	105.6	309	177	440.51	565	4-ø30	AT210D/AT240S
500	131.8	309	177	491.5	620	4-ø33	AT240D/AT270S
600	152	309	177	592.5	725	4-ø36	AW25/AW28S
700	163	309	177	695	84	4-ø36	AW28/AW35S