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Cast Iron 8 Inch Wafer type Knife Gate Valve with Pneumatic Actuator
The pneumatic gate valve Features
1.Pneumatic knife gate valve opening and closing part is gate, the gate Direction of Movement perpendicular to the direction of the fluid
2.Manual type knife gate valve can only be fully open and can not be adjusted and the throttle
3.Pneumatic knife gate valve has a simple and compact structure, reasonable design reliable seal
Port size | 2"-24" |
Nominal pressure | 1.0MPa |
Working temperate | -40℃~300℃ |
Operation | Manual, Pneumatic, Electric |
Mounting Type | Flanged |
Connection type | wafer, lug |
Valve body | S.S, Cast steel, Gray cast iron |
| Valve bonnet | S.S, Cast steel, Gray cast iron |
| Disc | SS, Cast steel, |
| Stem | S.S |
| Sealing | PTFE, RUBBER, S.S |
For media | Coal slurry, grain pulp, paper pulp, mud, mortar, running water, slag, lye |
Nominal mm | L | D1 | D2 | H | n-M |
50 | 50 | 100 | 125 | 335 | 4- M 16 |
65 | 50 | 120 | 145 | 363 | 4- M 16 |
80 | 50 | 135 | 160 | 395 | 4- M 16 |
100 | 50 | 155 | 180 | 465 | 8- M 16 |
125 | 50 | 185 | 210 | 530 | 8- M 16 |
150 | 60 | 210 | 240 | 630 | 8- M 20 |
200 | 60 | 265 | 295 | 750 | 8- M 20 |
250 | 70 | 320 | 350 | 900 | 12- M 20 |
300 | 80 | 368 | 400 | 1120 | 12- M 20 |
350 | 90 | 428 | 460 | 1260 | 16- M 20 |
400 | 100 | 482 | 515 | 1450 | 16- M 22 |
450 | 120 | 532 | 565 | 1600 | 20- M 22 |
500 | 130 | 585 | 620 | 1800 | 20- M 22 |
600 | 140 | 685 | 725 | 2300 | 20- M 27 |
700 | 165 | 800 | 840 | 2500 | 24- M 27 |
800 | 190 | 898 | 950 | 2800 | 24- M 30 |
900 | 203 | 1005 | 1050 | 3100 | 28- M 30 |
1000 | 216 | 1115 | 1160 | 3400 | 28- M 30 |
1200 | 254 | 1325 | 1380 | 3600 | 32- M 36 |
1.OEM service is welcomed
2.we will provide all the detailes to you during the mass production
3.Necessary test and certificate can be obtained as you request
4.your requirements are highly respected
1. wooden box package.
2. Usually, we ship your big valves by sea.
3. 1~20pcs: 10~15 working days by ship.
Above 20pcs: 30~45 working days by ship.


1. Q: Is sample order acceptable?
A: Yes.
2. Q: When will make delivery?
A: As usual, after payment, within 60 working days.
3. Q: After-sales Service
A: 12 months warranty for all kinds of products;
As an experienced manufacturer, you can rest assured of the quality and after-sales service.
4. Q: Payment
A: L/C, T/T, Western Union, Paypal, Alipay, Cash.
5. Q: Transportation
A: Transported by DHL, UPS, EMS, FedEx, SF, by Air, by sea.
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