Product name：pressure seal bonnet forged steel gate valve
Product category：Pressure seal bonnet gate valve
Information
Product structure features:
Forged steel gate valves have three valve cover designs. The first is the bolted bonnet, which is designed in this manner, with valves and valves
The cap is bolted and nut connected, and the coiled gasket (made of 316 flexible graphite) is sealed. Metal is also available when customers have special requirements
Ring connection. The second form of design is a welded valve cap, in which the valve body is threaded with the valve cover,
Full welded seal. When customers have special requirements, they can also use full welded joints. The third is the pressure self tight valve cap, in accordance with this design
Valve designed to connect the valve body with the valve cap, the inner pressure seal from the sealing ring.
Test pressure
|
Model |
Nominal pressure (MPa) |
Experimental pressure |
Operating temperature (℃) |
Applicable medium |
||
|
Strength water（MPa） |
Sealed (water) air（MPa） |
Low pressure sealed air （MPa） |
||||
|
ZAH-16C |
1.6 |
2.4 |
1.8 |
0.6 |
≤200 |
Acetic acid |
|
Z41W-25P(R) |
2.5 |
3.8 |
2.8 |
0.6 |
≤200 |
Acetic acid |
|
Z41W-40P(R) |
4.0 |
6.0 |
4.4 |
0.6 |
≤200 |
Acetic acid |
|
Z41W-60P(R) |
6.4 |
9.6 |
7.0 |
0.6 |
≤200 |
Acetic acid |
The major parts material
|
Valve body / valve cover |
ZGICr18Ni9Ti |
ZG00Cr18Ni10 |
ZG1Cr18Ni12M02Ti |
ZG00Cr17Ni14M02 |
WCB |
|
Part name |
ZGICr18Ni9Titseries |
ZG00Cr18Ni10series |
ZG1Cr18Ni12M02Tiseries |
ZG00Cr17Ni14M02series |
WCBseries |
|
The gate |
ZGICr18Ni9Ti |
ZG00Cr18Ni10 |
ZG1Cr18Ni12M02Ti |
ZG00Cr17Ni14M02 |
1Cr13 |
|
The stem |
1Cr18Ni9Ti |
00Cr18Ni10 |
1Cr18Ni12M02Ti |
00Cr17Ni14M02 |
1Cr13 |
|
filler |
PTFEweave |
PTFEweave |
PTFEweave |
PTFEweave |
graphite |
|
Shim |
304L＋PTFE |
304L＋PTFE |
316＋PTFE |
316L＋PTFE |
graphite |
|
Gland |
ZGICr18Ni9Ti |
ZG00Cr18Ni10 |
ZG1Cr18Ni12M02Ti |
ZG00Cr17Ni14M02系列 |
WCB |
|
Packing ring |
1Cr18Ni9Ti |
00Cr18Ni10 |
1Cr18Ni12M02Ti |
00Cr17Ni14M02 |
1Cr13 |
|
Bolt |
1Cr17Ni2 |
1Cr17Ni2 |
1Cr17Ni2 |
1Cr17Ni2 |
35CrMoA |
|
Nut |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
45 |
1.6 MPa main connection size
|
|
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
|
|
L |
mm |
130 |
150 |
160 |
180 |
200 |
250 |
265 |
280 |
300 |
325 |
350 |
400 |
450 |
500 |
550 |
600 |
650 |
700 |
800 |
|
H |
mm |
175 |
180 |
210 |
210 |
350 |
358 |
373 |
435 |
500 |
614 |
674 |
818 |
1225 |
1415 |
1630 |
1780 |
2050 |
2181 |
2599 |
|
W |
mm |
180 |
180 |
200 |
200 |
200 |
240 |
240 |
280 |
320 |
360 |
360 |
400 |
450 |
500 |
500 |
600 |
Copyright： Wenzhou Zhengyuan Valve Co., Ltd. Technical support: tentech network