Pneumatic Wafer Switch Butterfly Valve-GRAT Control Valve

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Classification：　Pneumatic butterfly valve

Product Name：　Pneumatic Wafer Switch Butterfly Valve

Product Description：

With simple structure, light weight, quick opening speed, pneumatic wafer switch butterfly valve consists of the piston type cylinder and the wafer type butterfly valve, and the spring return type valve can support automatic reposition function (air to open and close) when the air and power were cut off. This product is widely applied in the industrial pipeline fields of metallurgy, environmental protection, water treatment, petrochemical, power.

The Characteristics of the products

★The seal parts materials are mate of stainless steel and nitrile oil-proof rubber for a long service life.

★This valve with straight through flow has the large flow capability and very small pressure loss.

★With two-way sealing function, the valves can be installed in any direction and not be affected by the spatial position and the medium flow.

★The valve with non-pin structure can effectively avoids the pin break off in a long time operation.

★Reliable Explosion-proof property.

★Small installation spaces.

★Configured with a standard convex pipe flange, the body has high cost-effective, especially large diameter butterfly valve. (Prefer to butterfly valve in the occasions of middle and low pressure),and superior cost-effective performance makes the butterfly valves have a broad scope of applications.

★Body can match with standard raise flange.

★especially suitable for the medium such as clean liquid and gas.

The parameters of the products

Valve size : DN15～DN800
Medium temp.: -30℃-180℃
Body rating: PN1.6-2.5MPa　　
Applicable medium Neutral gas, liquid
Air supply: 0.4～0.7MPa
Actuator seal: Fluorine rubber
Actuator material: Casting aluminum alloy
Connection: Wafer
Flow property: On-off
Body material: SUS304、SUS316、WCB、QT450-10
Disc material: SUS304、SUS316、WCB、QT450-10
Seat: PTFE，EPDM
Packing: Graphite
Manufacturing standard: JB/T8692-199
Design standard: GB12237-89 AP16D
Inspection standard: JB/T 9092 API598

Product information

DN (mm)	L	D	K	N-φD	H1	H	W	W1	Weight Kg
40	33	148	105	4-φ16	48	210	138	76
50	43	165	125	4-Φ18	80	314	160	137
65	46	185	145	4-φ18	89	327	160	137
80	46	200	160	8-φ18	95	333	160	137
100	52	220	180	8-φ18	114	385	196	145
125	56	250	210	8-φ18	127	400	196	145
150	56	285	240	8-φ22	139	442	255	182
200	60	340	295	8-φ22	175	480	255	182
250	68	395	350	12-φ22	203	522	255	182
300	78	445	400	12-φ22	242	567	255	182
350	78	505	460	16-φ22	267	598	255	182
400	102	565	515	16-φ22	297	648	255	182
450	114	615	565	20-φ26	315	678	255	182
500	127	670	620	20-φ26	348
600	154	780	725	20-φ30	444
700	165	895	840	24-φ30	528
800	190	1015	950	24-φ33	590