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Pneumatic PVC butterfly valve

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Pneumatic pvc butterfly valve

The Pneumatic plastic butterfly valves are light in weight, easy to install, and have corrosion resistance. They are used in many fields. Such as general pure water, raw drinking water, drainage, sewage piping system, salt water and sea water piping system, the quality is recognized by the majority of users.

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-DN200	Pneumatic Actuator:	Double acting&Single acting
Temperature:	≤100℃	Limit switch:	ON-OFF (Two-way& Three-way)
Medium:	Water, gas, acid, alkali media 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	T	H	K	R	S	D（PCD)
DN40	147	42	220	79.5	45.3	4-ø18	110
DN50	147	42	235	82.5	56.5	4-ø18	125
DN65	168	44.7	245	92.5	69.5	4-ø18	145
DN80	182	46	260	100	79.5	8-ø18	160
DN100	204	51.2	280	114.5	102.5	8-ø18	180
DN125	238	54.4	322	128.5	130	8-ø18	210
DN150	268	55	374	142.5	152	8-ø18	240
DN200	301	58.8	428	171.5	203	8-ø23	295
DN250	390	65.7	482	205.5	255	8-ø23	350
DN300	458	76	574	245	309.5	12-ø23	400