Overview of CENTROFLOW made Gost Standard Gate Valve Bolted Bonnet Gate Valves are casted full bore valve with flexible wedge and external screw suitable for regulation manufactured according to GOST standard. There’re two choices: with rising stem and non-rising stem.
CENTROFLOW Maufactured Gost Standard Gate Valve design specifications:
Size: from 2” to 20”
Pressure: PN6 – PN160
Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, and CF8M Design Standard: GOST5762-2002
Distance between flanges: GOST3706-93
Connectinons: GOST12815-80
Test standard: GOST356-80
Actuation: Handwheel, gear box, pneumatic or electric actuator with handwheel for emergencies
Medium: steam, oil, gas, petrol products, nitric acid, acetic acid, etc.
WT: from -46ºC or -600ºC (Up to Material)
Size Range:DN50-DN500
Normal Pressure:PN16
Seal Test:1.8mpa
Body Test:2.4mpa
Suitable Temperature：Normal
Body:WCB
Bonnet:WCB
Stem:2Cr13
|
No. |
Parts Name |
Material |
|---|---|---|
|
1 |
Body |
WCB |
|
2 |
Disc |
WCB |
|
3 |
Stem |
2Cr13 |
|
4 |
Bonnet Gasket |
1Cr13+Graphite |
|
5 |
Bonnet |
WCB |
|
6 |
Graphite Gland |
Graphite |
|
7 |
Pin B |
35# |
|
8 |
Cotter Pin |
Q235 |
|
9 |
Seat Nut |
ZCuA110Fe3 |
|
10 |
Plain A |
45# |
|
11 |
Handwheel |
QT450-10 |
|
12 |
Lock Nut |
35# |
|
13 |
Bolt |
35# |
|
14 |
Bolt |
35# |
|
15 |
Washer C |
Q235 |
|
16 |
Nut |
25# |
|
17 |
Gland Eyebolt |
WCB |
|
18 |
Stud |
35# |
|
19 |
Nut |
25# |
|
DN |
L |
D |
D1 |
D2 |
b-f |
ZxΦd |
H |
|---|---|---|---|---|---|---|---|
|
50 |
180 |
160 |
125 |
102 |
16-2 |
4xΦ18 |
285 |
|
80 |
210 |
195 |
160 |
133 |
18-2 |
4xΦ18 |
329 |
|
100 |
230 |
215 |
180 |
158 |
20-2 |
8xΦ18 |
390 |
|
125 |
255 |
245 |
210 |
185 |
22-3 |
8xΦ18 |
451 |
|
150 |
280 |
280 |
240 |
212 |
24-3 |
8xΦ18 |
513 |
|
200 |
330 |
335 |
295 |
268 |
26-3 |
12xΦ22 |
636 |
|
250 |
450 |
405 |
355 |
320 |
27-3 |
12xΦ26 |
739 |
|
300 |
500 |
460 |
410 |
370 |
27-3 |
12xΦ26 |
854 |
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