The disc of GB/T 12235 flanged globe valve is cylindrical. The seal face presents flat surface or conical surface. Disc is in rectilinear motion along with the centre line of medium. GB globe valve cannot be used to regulate flow
Characteristics
1. Simple structure, convenient maintenance;
2. Short stroke;
3. Good seal, low resistance and long service life.
Standards
Design: GB/T 12235
Length: GB/T 12221
Flange: JB/T 79
Testing & inspection: JB/T 9002
Identification: GB/T 12220
Supplying: JB/T 7928
Parameter
Model |
J41H-16C~160C |
J41Y-16C~160C |
J41W-16P~160P |
|
Working Pressure(MPa) |
1.6~16.0 |
|||
Applicable Temperature(℃) |
≤425 |
≤150 |
||
Applicable Medium |
Water, steam, oil |
Weak corrosive medium |
||
Materials |
Body/bonnet |
Carbon steel |
Chromium nickel titanium stainless steel |
|
Stem |
Chromium stainless steel |
Chromium nickel titanium stainless steel |
||
Seal Face |
Bead welding alloy |
Bead welding alloy |
Chromium nickel titanium stainless steel |
|
Packing |
Asbestos, graphite, flexible graphite, PTFE |
Dimensions
2.5MPa |
DN |
L |
D |
D1 |
D2 |
b |
n-Φd |
H |
D0 |
|
10 |
130 |
90 |
60 |
40 |
16 |
4-Φ14 |
198 |
120 |
15 |
130 |
95 |
65 |
45 |
16 |
4-Φ14 |
218 |
120 |
|
20 |
150 |
105 |
75 |
55 |
16 |
4-Φ14 |
258 |
140 |
|
25 |
160 |
115 |
85 |
65 |
16 |
4-Φ14 |
275 |
140 |
|
32 |
180 |
135 |
100 |
78 |
18 |
4-Φ18 |
280 |
160 |
|
40 |
200 |
145 |
110 |
85 |
18 |
4-Φ18 |
330 |
180 |
|
50 |
230 |
160 |
125 |
100 |
20 |
4-Φ18 |
350 |
200 |
|
65 |
290 |
180 |
145 |
125 |
22 |
8-Φ18 |
400 |
280 |
|
80 |
310 |
195 |
160 |
135 |
22 |
8-Φ18 |
355 |
280 |
|
100 |
350 |
230 |
190 |
160 |
24 |
8-Φ23 |
415 |
320 |
|
125 |
400 |
270 |
220 |
188 |
28 |
8-Φ25 |
460 |
360 |
|
150 |
480 |
300 |
250 |
218 |
30 |
8-Φ25 |
510 |
450 |
|
200 |
600 |
360 |
310 |
278 |
34 |
12-Φ25 |
710 |
500 |
|
250 |
622 |
425 |
370 |
332 |
36 |
12-Φ30 |
786 |
550 |
|
300 |
698 |
485 |
430 |
390 |
40 |
16-Φ30 |
925 |
600 |