Tank Truck Emergency Shut-Off Valve QGJ43F-25

Features

Features:
Applicable to the liquid and gas phase pipelines of liquefied gas or liquid ammonia tank trucks. When a large amount of leakage occurs during loading or unloading operations, the valve can be manually shut off to stop the leakage. When a fire o

Technical Parameters

Nominal pressure Mpa	2.5
Shell test pressure Mpa	3.75
Sealing test pressure Mpa	2.75
Low pressure sealing pressure Mpa	0.1
Applicable temperature	-40℃-+50℃
Applicable media	Liquefied petroleum gas, liquid ammonia, etc.
Maximum flow rate	5-7m/S
Fusible plug melting temperature	75℃±5℃
Cylinder working pressure	4.0MPa
Manufacturing standards	JB/T9094-1999

Main parts materials

Valve body	Valve stem	Valve disc	spring	Gasket
WCB	20Cr13	20Cr13	50CrVA，1Cr18Ni9	PTFE

Tank truck emergency shut-off valve QGJ43F nominal pressure PN2.5MPa dimensions and connection dimensions

DN	L	D	D1	D2	b	f	Z-φd	DN’	D’	D1’	D2’	b’	f’	Z-φd’	H
25	106	115	85	65	16	3	4-φ14	50	165	125	99	20	3	4-φ18	253
50	135	165	125	99	20	3	4-φ18	80	200	160	132	24	3	8-φ18	310

A PHP Error was encountered

Severity: Core Warning

Message: PHP Startup: Invalid library (appears to be a Zend Extension, try loading using zend_extension=php_opcache.dll from php.ini)

Filename: Unknown

Line Number: 0

Backtrace: