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E-mail
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Product Categories
Sinopec Shanghai Valve Manufacturing Co., Ltd.Free·1YRS
A21
NegotiableUpdate on July 04
- Model
- Nature of the Manufacturer
- Other
- Product Category
- Relief valve
- Place of Origin
- City, Province
Overview
A21
Product Details
A21 is the spring Weiqi safety valve thread.
Type A21H is suitable for the work temperature are less than 200 of the air, ammonia, oil gas and other media equipment and pipeline.
Type A21W is suitable for equipment and Road gas or liquid for working temperature is not higher than 200 DEG with corrosive on.
Type A21F is suitable for the work temperature are less than 200 of the liquefied gas, gas pipeline and other equipment. As overpressure protection device
Body structure: closed; the valve opening height: Weiqi; structure: spring type; main material: stainless steel; suitable temperature: 200; pressure range: 1.6-10.0Mpa; medium: air, steam, water, nitrogen and hydrogen mixed gas; nominal diameter: 15-80 (mm); connection form: thread Product Name:; micro and safety valve with a wrench spring; applicable scope: national defense, scientific research, aerospace, electronics, machinery, metallurgy, petroleum, chemical, energy, environmental protection, bio medicine, refrigeration, food etc.
Type A21H is suitable for the work temperature are less than 200 of the air, ammonia, oil gas and other media equipment and pipeline.
Type A21W is suitable for equipment and Road gas or liquid for working temperature is not higher than 200 DEG with corrosive on.
Type A21F is suitable for the work temperature are less than 200 of the liquefied gas, gas pipeline and other equipment. As overpressure protection device
NO. | Part name | A21H-C/A42FMaterialScience | A21W-P/A21F-PMaterial Science | A21Y-RMaterial Science |
1 | Pipe joint | 20 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
2 | Pipe joint nut | 35 | 2Cr13 | 1Cr18Ni9Ti |
3 | valve seat | 35 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
4 | valve body | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
5 | Valve | 2Cr13/2Cr13+PTFE | 1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE | 1Cr18Ni12Mo2Ti |
6 | Spring seat | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
7 | Spring | 50CrVA | 50CrVACoated fluorine plastics | 50CrVACoated fluorine plastics |
8 | Lock nut | Q235-A | ZG230-450 | 1Cr18Ni9Ti |
9 | Spring guide pad | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
10 | Adjusting nut | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
| Sealing surface material | "Y" type surfacing Co base cemented carbide "H" type surfacing D507, "W" type for valve body | ||
型号 | 公称通经 (DN) | do | d | Do | M | d1 | D1 | L | L1 | ~H |
A21H/W/F-16C/P/R A21H/W/F-25C/P/R A21H/W/F-40C/P/R | 15 | 12 | 15 | 20 | M27X1.5 | G1/2〃 | 30 | 35 | 81 | 66 |
| 20 | 16 | 20 | 25 | M33X1.5 | G3/4〃 | 34 | 40 | 87 | 68 |
| 25 | 18 | 25 | 31 | M39X1.5 | G1〃 | 44 | 52 | 100 | 105 |
A21Y/W-64C/P/R A21Y-100C/P/R | 15 | 10 | 15 | 25 | M39X1.5 | G1〃 | 44 | 52 | 100 | 105 |
| 20 | 10 | 20 | 31 | M39X1.5 | G1〃 | 44 | 52 | 100 | 105 |
| 25 | 12 | 25 | 31 | M39X1.5 | G1〃 | 44 | 52 | 100 | 105 |
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