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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 | PN10 |
Working temperate | -10℃~350℃ |
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. 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. We accept and produce non-standard valves.
2. We will provide all the details to you during the mass production.
3. Necessary test and certificate can be obtained as you request
4. Your requirement are highly respected.
10 Year's Wealthy Experience and Expertise on Valve Manufacturing and Design;
15 Power Plants and Steelworks' Trusted Supplier;
128 Environmental Protection Company, Textile Printing Company and Sewage Treatment Company Business Supporting Company;
168 Valve Distributors' Key Business Partner.
We have a wealthy experience and expertise in manufacturing in Stainless Steel Angel Seat Valve, Ball Valve, Butterfly Valve,Knife Gate Valve, Stop Valve,Diaphram Valve, Regulating Valve etc.
Exhibition & Customer Visiting
1. Q: Is sample order acceptable?
A: Yes.
2. Q: When will make delivery ?
A:We have stock for standard products.
As usual, after payment, within 7 working days.
3. After-sales Service
12 months warranty for all kinds of products;
As an experienced manufacturer, you can rest assured of the quality and after-sales service.
4. Payment
L/C, T/T, Western Union, Paypal, Alipay, Cash.
5. Transportation
Transported by DHL, UPS, EMS, Fedex, SF, by Air, by sea.
Wuxi Sikaifu Machinery Manufacturing Co., Ltd
Add: 10# Huanzhen North Road, Yangshi, Luoshe Town, Wuxi, Jiangsu, China
Tel:+86-510-82722832
Fax:+86-510-82722831
Whatsapp:+86-15852829653(Sarah)
Website: https://www.sikaifufluid.com
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