We manufacture more than a thousand specifications of over ten series of products, including safety valves, power station valves, steam extraction check valves, gate valves, globe valves, check valves, hard-sealed ball valves, all-welded ball valves, ball valves, butterfly valves, and other models and specifications.
A21H-16C~40/A21YW-16P~40P
Spring-loaded safety valve
The A21Y type is suitable for equipment or pipelines with corrosive gases or liquids at operating temperatures ≤200℃.
As a pressure relief device.
Product Classification:
Key words:
Main Performance Specifications
Model | Applicable Temperature | Applicable Medium |
A21H-16C~40 | -29~200℃ | Water, air, petroleum gas, etc. |
A21Y-16P~40P/R | -29~200℃ | Corrosive gases or liquids |
Main External Connection Dimensions and Weight
Nominal Diameter | Size | Outlet Thread | |||||||
do | d | D0 | D1 | L | L1 | H | |||
15 | 10 | 15 | 20 | 30 | 35 | 80 | 75 | G5/8" | |
20 | 15 | 20 | 25.5 | 37 | 40 | 87 | 80 | G³/4" | |
25 | 20 | 25 | 31 | 45 | 50 | 100 | 105 | G1" | |
40 | 32 | 40 | 50 | 59 | 55 | 124 | 135 | G1/2" | |
50 | 40 | 52 | 60 | 74 | 67 | 130 | 145 | G2" | |
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At present, it can produce more than a dozen series of more than 1,000 specifications of safety valves, power station valves, extraction check valves, gate valves, ball valves, check valves, butterfly valves, drain valves, balance valves, and regulating valves of different types and specifications.
The A42Y-P/R type is suitable for equipment or pipelines with corrosive gaseous media where the operating temperature is ≤200℃, serving as a pressure relief device.
Connecting flanges conform to JB/T 79 standard.
Connecting flanges are in accordance with JB/T79 standard.