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Kaiyuan air drain valve

Anti falling device for quick coupling of crane tube

Fused fire damper

Hydrogen bellows stop valve

Pneumatic block valve

Air drain valve

Thin ball valve

Vehicle emergency shut-off valve

Barrel slot flame arrester

Emergency pull off valve of loading arm

Stainless steel stop valve for liquid ammonia

Bring back the shuttle ball valve

Safety pull off valve

Electromagnetic gas emergency shut-off valve

Ball valve with travel switch

Liquid ammonia pneumatic explosion-proof emergency shut-off valve

Emergency shut-off valve

Explosion proof electric shut-off valve

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Stainless steel stop valve for liquid ammonia

Valve model: J45F-25P, J41F-40P, J41B-40P
Diameter specification: DN15 ～ DN200
Structure: reverse sealing design
Valve body material: WCB carbon steel, CF8/304 stainless steel, CF8M/316 stainless steel
Nominal pressure: PN1.6MPa, PN2.5MPa, PN4.0MPa
Applicable temperature: - 30/+120 ℃, - 50/+120 ℃
Scope of application: ammonia area, liquid ammonia crane, liquid ammonia handling equipment
Product features: self sealing, maintenance free

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product details

Liquid ammonia stainless steel stop valve_stainless steel (liquid ammonia) stop valve
Alternative name: stainless steel stop valve for ammonia
Model: AWJ45F-25P AWJ41F-40P
Introduction to stainless steel liquid ammonia stop valve:
The liquid ammonia stainless steel stop valve shall comply with the GB/T 26478-2011 standard. Copper, aluminum and zinc materials are not allowed for all parts. If there are no special requirements in the order contract, the metal materials of the valve shall meet the requirements of GB/T 12224, JB/T 5300 and other relevant standards. The valve body and bonnet materials shall comply with the provisions of GB/T 12226, GB/T 12227, GB/T 12228, GB/T 12229, JB/T 7248, or the requirements of the order contract.

Liquid ammonia stop valve/valve body and bonnet materials
Material code: WCB, WCC Nominal pressure: PN ≤ 40 Service temperature: － 29 ℃~＋ 150 ℃
Material code: LCB, LCC, CF8 CF8M Nominal pressure: PN ≤ 40 Service temperature - 46 ℃~＋ 150 ℃
Technical specification for stainless steel ammonia stop valve:

Technical specification for stainless steel stop valve for liquid ammonia
design basis		GB/T 12235
Design Criteria		GB/T 26478-2011
Structure length	Wafer connection	GB/T 12221
Connecting flange size		GB/T 9113 HG/T 20595-2009
Experiment and inspection		JB/T 9092

Technical parameters of special stop valve for liquid ammonia:

Technical parameters of stainless steel liquid ammonia stop valve
Nominal diameter	DN15~200mm
Connection mode	flange
Connecting flange face	RF/raised face, M/convex face, F/concave face, MF/convex concave face
Stem packing	Strong spring, V-shaped O-ring
Nominal pressure	PN16、PN25、PN40
Using Media	Liquid ammonia, ammonia, gas, refrigerant, fluorine
Medium temperature	-40~120℃
handwheel	Carbon steel, ductile iron
body material	Carbon steel (WCB), stainless steel (CF8, CF8M, CF3M)
Sealing material	Metal hard seal (H), hard alloy (Y), polytetrafluoroethylene (F), babbitt (B)

Performance test of liquid ammonia stainless steel stop valve:
Shell strength
The ammonia valve shall be able to withstand the shell strength test. In the shortest duration of the test pressure, the ammonia valve shall be free of structural damage, and there shall be no visible leakage or leakage at the valve body and each connection. The packing shall be able to tightly maintain the test pressure.
Sealing performance
The ammonia valve shall be able to pass the sealing test and upper sealing test. After the shortest duration of the test pressure, there shall be no visible leakage at the sealing pair, valve disc, the contact surface between the back of the valve seat and the valve body and the upper seal.
Static pressure life
The static pressure life times of liquid ammonia stop valve shall meet the following requirements
Nominal size: DN ≤ 100 Static pressure life times: ≥ 2500
Nominal size: DN ≥ 125 Static pressure life times: ≥ 2000
Shanghai ammonia valve manufacturer/Yonglong mainly engages in liquid ammonia stainless steel stop valve, Stainless steel stop valve for ammonia ， Ammonia stainless steel stop valve 。 In order to ensure the continuous promotion of the development of the market in many aspects, we make a 24 month warranty commitment to all customers.

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Stainless steel stop valve for liquid ammonia

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