Soft sealed gate valve

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广西快乐双彩开奖30期:Soft sealed gate valve

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Soft-sealed gate valve is also called elastic seated gate valve. It adopts non-cavity structure. Epoxy resin is sprayed on the inner and outer surfaces of valve body cover and rubber is coated on the surface of gate plate. This fundamentally prevents the possibility of corrosion. The "O" sealing ring is used instead of filler in valve stem seal to make bees more reliable. According to the requirement, the gate valve can be operated by operating lever, handwheel, electric and pneumatic.


Structural characteristics


1. Integral cover concealed rod design, compact structure; stem nut and gate two-body structure, no stuck phenomenon; straight passage, no leakage cavity; stem seal using "O" ring.


2. Excellent anticorrosion performance. Epoxy resin is sprayed on the inner and outer surfaces of the shell, enameled on the inner surface when needed; hexagonal bolts are used for connecting bolts, and the top seals are sealed.


3. Reliable hygienic epoxy resin meets the hygienic standard GB/T17219-1998, the gate is covered with hygienic inspection rubber; Stem, stem nut and other parts are made of stainless steel or bronze which is not corroded by water.


It is suitable for drinking water, water supply and drainage, sewage treatment, natural gas and gas, industry and food industry.


Main performance parameters of soft seal gate valves

Model
PN
MPa
Applicable medium
Z41X-10
10
1
≤80
Z41X-16Q
16
1.6
≤80


Material for main parts of soft sealing gate valves


Model
Material Science
Body and bonnet
Stem
Lining plate
filler
Z41X-10
Gray cast iron
Chromium nickel stainless steel
Ductile iron (Ding Qing rubber)
Ding Qing rubber
Z41X-16Q
Spheroidal graphite cast iron
Chromium nickel stainless steel
Ductile iron (Ding Qing rubber)
Ding Qing rubber


Main dimensions of soft sealed gate valves


Z41X-10 type bright pole soft seal gate valve


DN
L
D
D0
D1
b
f
z×Φd
50
178
165
125
99
20
3
4×Φ19
65
190
185
145
118
20
3
4×Φ19
80
203
200
160
132
22
3
8×Φ19
100
229
220
160
132
22
3
8×Φ19
125
254
250
210
184
26
3
8×Φ19
150
267
285
240
211
26
3
8×Φ23
200
229
340
295
266
26
3
8×Φ23
250
330
395
350
319
28
4
12×Φ23
300
356
445
400
370
28
4
12×Φ23
350
381
505
460
429
30
4
16×Φ23
400
406
565
515
480
32
4
16×Φ28
450
432
615
565
530
32
4
20×Φ28
500
457
670
620
582
34
4
20×Φ28
600
508
780
725
682
36
5
20×Φ31


Z41X-16Q type bright pole soft seal gate valve


DN
L
D
D0
D1
b
f
z×Φd
50
178
165
125
99
19
3
4×Φ19
65
190
185
145
118
19
3
4×Φ19
80
203
200
160
132
19
3
8×Φ19
100
229
220
180
156
19
3
8×Φ19
125
254
250
210
184
19
3
8×Φ19
150
267
285
240
211
19
3
8×Φ23
200
229
340
295
266
20
3
12×Φ23
250
330
405
355
319
22
3
12×Φ28
300
356
460
410
370
24.5
4
12×Φ28
350
381
520
470
429
26.5
4
16×Φ28
400
406
580
525
480
28
4
16×Φ31
450
432
640
585
548
30
4
20×Φ31
500
457
715
650
609
31.5
4
20×Φ34
600
508
840
770
720
36
5
20×Φ37


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