Wholesale Discount Globe Valve Steam - Manual / Pneumatic Knife Gate Valve – TYCO
Wholesale Discount Globe Valve Steam - Manual / Pneumatic Knife Gate Valve – TYCO Detail:
Product Description
The opening and closing part of the knife gate valve is the gate plate, the movement direction of the gate plate is perpendicular to the direction of the fluid, the knife gate valve can only be fully open and fully closed, and can not be adjusted and throttled.Knife gate valve is mainly composed of valve body, O-ring, gate, stem, bracket and other components.The knife gate valve adopts the one-piece structure with small volume and light weight.Fully open channel, can prevent the deposition of medium in the valve, the use of replaceable sealing structure, a change of common slurry valve and knife gate valve maintenance difficult problem.The valve body material is replaced by the traditional cast steel ductile iron, which has better corrosion resistance and effectively prolongs the service life.
The gate of the knife gate valve has two sealing faces. The two sealing faces of the most commonly used mode gate valve form a wedge, and the wedge Angle varies with the valve parameters, usually 50. The gate of the wedge knife gate valve can be made into a whole, called the rigid gate;Can also make it generates trace of deformation of ram, in order to improve the manufacturability, make up for the sealing surface Angle in the process of our processing deviation, the gate is called elastic disc type knife gate valve is closed, sealing surface can only rely on medium pressure to seal, that depend on medium pressure, the disc will be to the other side of the valve seat sealing surface pressure to ensure that the seal face seal, this is the seal.Most knife gate valves are forced to seal, that is, when the valve is closed, it is necessary to rely on external force to force the gate to the valve seat to ensure the sealing surface of the sealing.
Product Structure
main parts and materials
|
Material Name |
PZ73H-(6-16)C |
PZ73H-(6-16)P |
PZ73H-(6-16)R |
|
Body,braket |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
Disc, stem |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
Seal Material |
Rubber, PTFE, Stainles steel, Carbide |
||
Main Outer Size
|
Nomiiial diameter |
PZ73W.H.Y-(6-16)P.R.C |
Dimensions(mm) |
||||||
|
L |
D |
DI |
D2 |
d |
N-Th |
H1 |
DO |
|
|
50 |
4B |
160 |
125 |
100 |
18 |
4-M16 |
310 |
180 |
|
65 |
4B |
180 |
145 |
120 |
18 |
4-M16 |
330 |
180 |
|
80 |
51 |
195 |
160 |
135 |
18 |
4-M16 |
360 |
220 |
|
100 |
51 |
215 |
180 |
155 |
18 |
B-M16 |
400 |
240 |
|
125 |
57 |
245 |
210 |
185 |
18 |
B-M16 |
460 |
280 |
|
150 |
57 |
280 |
240 |
210 |
23 |
B-M20 |
510 |
300 |
|
200 |
70 |
335 |
295 |
265 |
23 |
B-M20 |
570 |
380 |
|
250 |
70 |
390 |
350 |
320 |
23 |
12-M20 |
670 |
450 |
|
300 |
76 |
440 |
400 |
368 |
23 |
12-M20 |
800 |
450 |
|
350 |
76 |
500 |
460 |
428 |
23 |
16-M20 |
890 |
450 |
|
400 |
89 |
565 |
515 |
482 |
25 |
16-M22 |
1000 |
450 |
|
450 |
89 |
615 |
565 |
532 |
25 |
20-M22 |
1160 |
530 |
Product detail pictures:
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