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Email:sales@bundor.com    |   Tel: +86 150 0225 9955   |   Wechat: Bundor_marketing   |    Skype: +86 150 0225 9955

Home ? Products ? Gate Valve ? Knife Gate Valve
Flanged Knife Gate Valve1
Flanged Knife Gate Valve2
Flanged Knife Gate Valve3
Flanged Knife Gate Valve4
Flanged Knife Gate Valve1 Flanged Knife Gate Valve2 Flanged Knife Gate Valve3 Flanged Knife Gate Valve4

Flanged Knife Gate Valve

【Size Range】: DN50-400

【Pressure】: PN1.0/1.6mpa

【Body Materials】: Cast iron,Ductile Iron

ADVANTAGES

Lugged Knife Gate Valve Feature

1. Knife gate valve opening and closing part is the valve plate, the plate movement direction is perpendicular to the direction of the fluid. Knife gate valve can only be fully open and fully closed, can’t be used for adjusted and the throttle.
2.The valve plate has two sealing surfaces. The two sealing surfaces of the most common gate valve forming the wedge, the wedge angle various according to the valve parameters, usually is 50. Wedge knife gate valve plate can be made into a whole part , called the rigid gate plate; also be made to that can produce small quantities of deformation in order to improve its production process, to make up the sealing surface angle deviations arising during processing, this plate called resilient plate. The seal can only rely on media pressure to seal, which rely on media pressure to ram pressure to the sealing surface of the other side of the seat to ensure the seal, which is self-sealing. 

Product Advantage

1.The valve body is made of precision casting, the precise geometry makes the north of the valve body not need any finishing, so as to ensure the tightness of the valve.

2.The body is made of ductile iron QT450-10, shall not be broken by transportation, collision or installation.

3.The valve body adopts streamlined design, so that the medium moves straight in the valve cavity, the flow resistance is smaller and the flow area is larger.

4.The valve adopts bidirectional sealing design, and the installation direction and medium flow direction are not limited.

5.The inside and outside of the valve bodyadopt powder epoxy resin electrostatic coating, which can effectively prevent corrosion and rust caused by contact between valve body and medium, and can be used in sewage system.

6.The valve plate adopts high-quality overall rubber coating, the use of advanced technology makes the vulcanized rubber vulcanization after the valve plate to ensure accurate geometry, and the rubber and ductile iron gate connection is firm and not easy to fall off with good elastic memory, so as to ensure the stable performance of the valve sealing.

7.The bottom of the valve body adopts no groove design, and does not cause accumulation of impurities or dirt, thereby effectively avoiding the leakage caused by impurities scratching of the valve seat.

8.The valve stem is designed with three "O" ring seal. The friction resistance of the switch can be reduced, water leakage is greatly reduced, and the sealing ring can be replaced without cutting off water.

9.The screw made of aluminum bronze material, so the switch is more smooth, not easy to rust, difficult blockage.

10.The overall of valve adopt non rising stem design, reducing the valve, especially large diameter valve installation space.

11.For the installation of valves using in deep well and underground pipe, deep well connecting cap or lengthening rod mechanism can be provided according to customer requirements.

12.Bundor company specialized intentions since 1994, has a professional production, sales, research, after-sales team, is your strong backing of sales and use.

PARAMETER INFORMATION

.
NUM Name Material
1 Body ductile iron
2 Bonnet ductile iron
3 Gland Nuts ductile iron+EPDM
4 Wedge ductile iron+EPDM
5 Lifting nuts Brass
6 Adjustable stem SS420
7 Clamp ring Brass
8 "O" Ring Silicone
9 Hand wheel ductile iron
10 Bolt Carbon steel
11 Ring EPDM
12 Bolt SS304
Size
DN(MM) L D D1 D2 D0 N-Th d H1
50 48 165 125 99 180 4--16 18 290
65 48 185 145 118 200 4--16 18 310
80 51 200 160 132 220 8--16 18 350
100 51 220 180 156 240 8--16 18 405
125 57 250 210 184 260 8--16 18 450
150 57 285 240 211 280 8--16 23 510
200 70 340 295 266 300 12--20 23 610
250 70 405 355 319 340 12--24 27 765
300 76 460 410 370 380 12--24 27 820
350 76 520 470 429 400 16--24 27 970
400 89 580 525 480 450 16--27 30 1024

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CONTACT US

Sales@bundor.com

No.37 Puhui Road,Beizhakou Economic Development Zone, Tianjin City, China PR

Contact us now if you have any questions about our company and products.We will retain your information completely private.

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