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QGY hydraulic high-pressure vehicle emergency shut-off valve


QGY hydraulic high-pressure vehicle emergency shut-off valve
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

Fast delivery: advanced production lines, sufficient stocking, shortening the delivery time!
Sales: 021-31007323
Fax: 021-333321522
Technology: 021-31007323

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  Product name : Emergency shut-off valve for hydraulic high pressure vehicle Product model : QGY
   Driving method : Manual Connection form : Flange  
   Applicable medium : Liquefied petroleum or liquid ammonia, etc.    Sealing material : Teflon
   Pressure range : 2.5-4.0MPa    Nominal diameter : DN15-DN300
   Common materials : Carbon steel, stainless steel    Technical consultation : 021-31007323

是国内著名〖 QGY 液压式高压车用紧急切断阀 〗制造商,也是国内大型【 切断阀 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖 QGY 液压式高压车用紧急切断阀 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务。 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known domestic manufacturer of [ QGY hydraulic high-pressure vehicle emergency shut-off valve ] and one of the large domestic [ cut-off valve ] manufacturers. Since its establishment, the company has always focused on customer needs and continued innovation To provide our agents and enterprise customers with the " QGY hydraulic high-pressure vehicle emergency shut-off valve" solution, reliable quality and affordable price, so it sells all over the country, welcome new and old customers to call, letter, we will provide you with the best quality Service.

 

液压式高压车用紧急切断阀 -- 用途: I. Emergency shut-off valve for hydraulic high pressure vehicle

液压式高压车用紧急切断阀 装置在液化气罐车、火车罐车、球罐、贮罐等运输及贮存设备中的重要设施,在阀门的油压管路或手拉装置上装有低熔点物质阀的塞子,在液化气体装卸时,如出现意外事故,紧急切断装置能够保护设备安全、操作人员安全和周围环境安全,防止重大事故的发生。 QGY hydraulic high-pressure vehicle emergency shut-off valve device is an important facility in liquefied gas tankers, train tankers, ball tanks, storage tanks and other transportation and storage equipment. Low-melting point material valves are installed on the valve's hydraulic pipeline or pull device. In the event of an accident during the loading and unloading of liquefied gas, the emergency shut-off device can protect the safety of equipment, the safety of operators and the surrounding environment, and prevent major accidents.

液压式高压车用紧急切断阀 -- 性能规范: Second, the hydraulic high-pressure vehicle emergency shut-off valve - performance specifications:  

specification

(DN)

Nominal pressure

(Mpa)

Seal test

(Mpa) Pressure (Mpa)

Operating temperature

) ( )

Applicable medium

Control cylinder part

Disc opening

(mm) Height (mm)

use

medium

(Mpa) Valve opening pressure (Mpa)

25

2.5

2.75

~ -40 ~

+50

Liquefied petroleum or liquid ammonia, etc.

12

# 锭子油 2 # spindle oil

13 # 机械油 Or 13 #machine oil

2.0-4.0Mpa

50

2.5

2.75

18

3. Principle and structure description:

、阀门在无外压力操作情况下,阀瓣处于常闭状态,罐车、球罐、贮罐等系统使用时靠手摇油泵压力或手动装置将阀门打开,在油路压力或者手动装置使用下使阀门处于开启状态,当需要关闭阀门或遇到有紧急情况时,可将油压泄掉或者放开手动装置,阀门即自动关闭,或因管路上的低熔点塞子在温度升高自行熔化来实现。 1. When the valve is operated without external pressure, the valve flap is normally closed. When the tank truck, ball tank, storage tank and other systems are used, the valve is opened by hand pump pressure or manual device, and the valve is opened under oil pressure or manual device. The valve is in the open state. When the valve needs to be closed or an emergency situation is encountered, the oil pressure can be released or the manual device can be released. The valve will close automatically, or the low melting plug on the pipeline will automatically melt to achieve the temperature .

、阀门法兰的连接尺寸按 JB/T79.1-94 《凸面整体铸钢法兰》尺寸标准。 2. The connection dimensions of the valve flange are in accordance with JB / T79.1-94 "Convex integral cast steel flange" dimension standard.

Fourth, the main dimensions and connection dimensions:

DN

ruler          Inch

D

1 D 1

2 D 2

3 D 3

D '

1 D 1

2 D 2

3 D 3

b

f

z-Фd

b '

f '

-Фd z -Фd

H

25

160

125

102

88

115

85

68

58

twenty two

3

4-18

16

2

4-14

250

50

195

160

135

121

160

125

102

88

26

3

8-18

twenty four

3

4-18

338

液压式高压车用紧急切断阀 -- 主要零件材料: V. Emergency shut-off valve for hydraulic high-pressure vehicles -- Major component materials:

Part Name

material

valve body

WCB / 1Cr18Ni9Ti

Body seal

F4

valve valve

2Cr13 / 1Cr18Ni9Ti

oil Cylinder

# /1Cr18Ni9Ti 45 # / 1Cr18Ni9Ti

bomb Spring

1Cr18Ni9Ti / 60Si12mn

live Stop

2Cr13 / 1Cr18Ni9Ti

6. Precautions for storage, installation and use:

、阀门通路两端必须加防护盖,存放在干燥、通风的室内,如长期存放应经常检查,防止锈蚀; 1. Protective covers must be added at both ends of the valve path and stored in a dry, ventilated room. If it is stored for a long time, it should be checked frequently to prevent corrosion;

、阀门在安装前不要拿掉防尘盖,使阀内无污物存在; 2. Do not remove the dust cover before the valve is installed, so that there is no dirt in the valve;

、安装时去掉防尘盖,管路先用空气吹干净,以免污物带进阀腔内; 3. Remove the dust cover during installation, and blow the pipeline first with air to prevent dirt from entering the valve cavity;

、阀门每天放 12-14 小时后,在系统不工作时应及时将阀瓣关闭,避免弹簧长期压缩,降低阀门长期使用的可靠性。 4. After the valve is placed for 12-14 hours every day , when the system is not working, the valve flap should be closed in time to avoid long-term compression of the spring and reduce the long-term reliability of the valve.

 

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