The ZCRB gas emergency shut-off valve is mainly used in aerospace, shipbuilding heavy industry, petrochemical industry, power equipment, industrial furnaces, boilers, gas pipelines, gas treatment plants, refueling stations, gas leakage alarm systems, safety protection systems, fire alarm systems, and various safety pipelines. When accident hazards are found, it can be quickly cut off to timely stop the occurrence of malignant accidents.
Main technical parameters of gas emergency shut-off valve:
Principle and structure: Direct acting piston type, pilot piston type
Control mode: normally open, manual reset (special explosion-proof, signal feedback)
Closing speed: ¡Ü 1 second
Work pressure: 0-0.03, 0-1, 0.3-9bar (other customizable)
Fluid range: gas, natural gas, liquefied gas, biogas, other gases or fuel oil
Fluid temperature: -40~120 ¡æ (other customizable)
Explosion proof level: d Ⅱ BT3-6
Standard voltage: AC220V, DC24V (other customizable)
Valve body material: cast iron, cast steel, stainless steel
Product specifications: DN20-600, others can be customized
Main external size:
DN |
Thread |
Flange |
G |
L |
H |
D1 |
K |
D |
b |
f |
n-d |
L |
H |
25 |
1 |
90 |
130 |
65 |
85 |
115 |
16 |
3 |
¢4-14 |
160 |
180 |
32 |
11/4 |
140 |
150 |
76 |
100 |
140 |
18 |
3 |
¢4-18 |
180 |
195 |
40 |
2 |
156 |
170 |
84 |
110 |
150 |
18 |
3 |
¢4-18 |
200 |
205 |
50 |
2 |
180 |
190 |
99 |
125 |
165 |
20 |
3 |
¢4-18 |
230 |
220 |
65 |
|
|
|
118 |
145 |
185 |
20 |
3 |
¢4-18 |
290 |
245 |
80 |
|
|
|
132 |
160 |
200 |
20 |
3 |
¢8-18 |
310 |
|
100 |
|
|
|
156 |
180 |
220 |
22 |
3 |
¢8-18 |
350 |
|
125 |
|
|
|
184 |
210 |
250 |
22 |
3 |
¢8-18 |
400 |
|
150 |
|
|
|
211 |
240 |
285 |
24 |
3 |
¢8-22 |
480 |
|
200 |
|
|
|
266 |
295 |
340 |
24 |
3 |
¢12-22 |
495 |
|
250 |
|
|
|
319 |
355 |
405 |
26 |
3 |
¢12-26 |
622 |
|
300 |
|
|
|
370 |
410 |
460 |
28 |
4 |
¢12-26 |
698 |
|
350 |
|
|
|
429 |
470 |
520 |
30 |
4 |
¢12-26 |
787 |
|
400 |
|
|
|
480 |
525 |
580 |
32 |
4 |
¢16-30 |
914 |
|
450 |
|
|
|
548 |
585 |
640 |
34 |
4 |
¢20-30 |
978 |
|
500 |
|
|
|
610 |
650 |
715 |
36 |
4 |
¢20-33 |
978 |
|
600 |
|
|
|
720 |
770 |
840 |
38 |
5 |
¢20-36 |
1295 |
|
|
