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Wholesale Best Seller Iron Soft Sealed Unidirectional Pneumatic Knife Gate Valve For Slurry Soft Valved Seal
Wholesale Best Seller Iron Soft Sealed Unidirectional Pneumatic Knife Gate Valve For Slurry Soft Valved Seal
Wholesale Best Seller Iron Soft Sealed Unidirectional Pneumatic Knife Gate Valve For Slurry Soft Valved Seal

Wholesale Best Seller Iron Soft Sealed Unidirectional Pneumatic Knife Gate Valve For Slurry Soft Valved Seal

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Product Overview

Description



Products Description




Pneumatic Knife Gate Valve
ZG Pneumatic Knife Gate Valve (DN50-DN3200), pressure (PN6~PN63, class150~class900), material (WCB, stainless steel, Hard alloy) 100% pressure test, 10 inspection procedures, CE Pressure equipment certification.
Size Range: 1 1/2“-48”/DN40-DN1200
Pressure: PN10/PN16
Body Materials: HT200/QT450
Disc Materials: 2Cr13/201/304/316/316L
Stem Materials: 2Cr13/304/316/316L
Seat Materials: EPDM/NBR
Payment: T/T, D/P or L/C
Lead Time: 5-30 days




Description
Design Features:
Knife gate valve is also called knife gate valve, knife gate valve, slurry valve, mud valve, and its opening and closing part is
the gate. The movement direction of the gate of the knife gate valve is perpendicular to the direction of the fluid, and the
medium is cut by a blade-shaped gate that can cut fiber materials. Knife gate valve, with its advantages of small size, small flow resistance, light weight, easy installation, easy disassembly, etc., completely solves the large flow resistance, heavy weight, etc. of ordinary gate valves, flat gate valves, ball valves, globe valves, regulating valves, butterfly valves, etc. Difficult problems such as difficult installation and large area. After the emergence of knife gate valves, a large number of general shut-off valves and regulating valves have been replaced. The knife gate valve has a small installation space, low working pressure, is not easy to accumulate debris, and the price is low. When the knife gate valve is closed, the sealing surface can only rely on the medium pressure to seal, that is, rely on the medium pressure to press the sealing surface of the gate against the valve seat on the other side to ensure the sealing of the sealing surface. This is self-sealing. Most gate valves are Forced sealing is adopted, that is, when the valve is closed, the gate must be forced to the valve seat by external force to ensure the tightness of the sealing surface. This type of valve should generally be installed vertically in the pipeline.

Field of Application：
Size Range: 1 1/2"-48"/DN40-DN1200
Temperature: （-）29℃ to (+) 120℃
Allowable Operating Pressure:PN10/PN16
The scope of application of knife gate valve is:
1. Mining, coal washing, iron and steel industry-used for coal washing pipelines, filter slurry pipelines, etc., ash discharge
pipelines;
2. Purification device-used for waste water, mud, dirt and clarified water with suspended matter;
3. Paper industry-used for any consistency of pulp, material and water mixture;
4. Deashing of power station-used for ash slurry.

Performance Specifications：
Nomial PressurePN10PN16Nomial Pressure1.0Mpa1.6MpaIntensity Test1.5Mpa2.4MpaBack Seal1.1Mpa1.76MpaSeal Test1.1Mpa1.76MpaGas Test 0.6Mpa0.6MpaWorking Temperature-29℃ ~ 120℃MediumPulp, mud, sewage, powder, various liquid fluids

Technical Specification：
End Flange Dimension GB/T9113.1




MATERIAL LIST
Part Name
Specification
Body
HT200,QT450
Disc
2Cr13,201,304,316,316L
Stem
2Cr13,304,316,316L
Seat
EPD,NBR
Packing
PTFE packing,Graphite packing
Ste Nut
Cast aluinu brass
Handwheel
alleable iron
Standard Accessory
A3,stainless steel


Size
L mm
DN
Cylinderstroke
L
H
DN mm
Inch
50
2"
108
50
65
48
590
65
22/1"
112
65
80
48
610
80
3"
114
80
100
51
650
100
4"
127
100
120
51
705
125
5"
140
125
145
57
750
150
6"
140
150
170
57
810
200
8"
152
200
220
60
930
250
10"
165
250
270
70
1080
300
12"
178
300
330
76
1140
350
14"
190
350
380
76
1290
400
16"
216
400
430
89
1344
450
18"
222
450
480
89
1555
500
20"
229
500
530
114
1606
600
24"
267
600
630
114
1806
700
28"
292
700
730
117
2090
800
32"
318
800
830
117
2320














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