Gas Emergency Cut Off Solenoid Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
Gas emergency cut off
applicable scope
Aerospace, ship heavy industry, petrochemical industry, electric power equipment, industrial furnaces, boilers, gas pipeline, gas treatment plants, filling stations, gas leak alarm systems, security systems, fire alarm system. It is widely used in cities or factory flammable and explosive media pipe network security protection, cut off quickly when potential accident happened, in time to stop the vicious incidents.
technical parameter
type： ZCRB
nominal diameter：DN20-600
pressure class ：PN0-16bar
material： cast iron, cast steel, stainless steel
Principles of Structure: Direct-acting piston type, pilot piston type
Control mode: Normally open without electricity; power off, manually open
closed speed：≤1second
flow scope ①：Coal gas, natural gas, liquefied petroleum gas, methane, fuel gas or liquid, etc.
environment temperature：-20~＋40℃(special-40~+80℃)
flow temperature：C1group：≤60℃；C3group：≤120℃
explosion-proof class：dⅡCT5、dⅡBT4(diameterDN≥200mm)
standard voltage：AC220V、DC24V (others can be special made)
Electrical connection: 3-core explosion-proof cable lead
Power consumption：12VA（B01class）；25VA（B03class）；32VA（B06class、B10class）
protection class③：DIN43650A（IP65）
installation dimensions
| diameter DN[mm] | body material | working pressure [bar] | Kv value [m3/h] | internal thread connection [mm] | flange connection [mm] | ||||||
| Gthread | L | H | L | H | D | D1 | n-d | ||||
| 20 | cast iron, stainless steel 304 | B06class：0~6 B16class：0.3~16 | 5.0 | 3/4〃 | 85 | 130 | 96 | 170 | Φ95 | 75 | 4-Φ12 |
| 25 | 8.5 | 1〃 | 98 | 140 | 110 | 180 | Φ106 | 85 | 4-Φ12 | ||
| 32 | 15 | 1 1/4〃 | 120 | 150 | 128 | 200 | Φ125 | 100 | 4-Φ14 | ||
| 40 | 22 | 1 1/2〃 | 130 | 160 | 142 | 210 | Φ138 | 110 | 4-Φ16 | ||
| 50 | 35 | 2〃 | 150 | 180 | 158 | 230 | Φ155 | 125 | 4-Φ17 | ||
| 65 | B01class：0~1 B03class：0~3 B06class：0~6 B10class：1~10 | 48 | 200 | 290 | Φ176 | 145 | 4-Φ17 | ||||
| 80 | 75 | 220 | 320 | Φ190 | 160 | 4-Φ17 | |||||
| 100 | 115 | 260 | 350 | Φ210 | 180 | 8-Φ16 | |||||
| 150 | cast iron | 238 | 400 | 500 | Φ280 | 240 | 8-Φ22 | ||||
| 200 | cast steel, stainless steel | B0.05class：0~0.05; (special:0~6) | 495 | Φ340 | 295 | 12-Φ22 | |||||
| 250 | 620 | Φ405 | 355 | 12-Φ26 | |||||||
| 300 | 700 | Φ460 | 410 | 12-Φ26 | |||||||
| 350 | B0.05 class：0~0.05; | 790 | Φ520 | 470 | 16-Φ26 | ||||||
| 400 | 915 | Φ580 | 525 | 16-Φ30 | |||||||
| 450 | 980 | Φ640 | 585 | 20-Φ30 | |||||||
| 500 | 980 | Φ715 | 650 | 20-Φ33 | |||||||
| 600 | 1300 | Φ840 | 770 | 20-Φ36 | |||||||
