NFWA44C NFWA41C美標(biāo)磅級(jí)波紋管安全閥
NFWA44C美標(biāo)磅級(jí)波紋管安全閥概述
安全閥是封閉式系統(tǒng)的一種安全保護(hù)裝置，它的啟閉件受外力的作用下處于常閉狀態(tài)，當(dāng)封閉系統(tǒng)的介質(zhì)壓力升高.
NFWA44C美標(biāo)磅級(jí)波紋管安全閥主要性能參數(shù)
Normal Pressure | PN | 150 | 300 | 600 | 900 | |
Body strangth | Ps(MPa) | 3.0 | 7.5 | 15 | 22.5 | |
Set pressure | Pk(MPa) | 0.1-2 | 1.6-5 | 3.2-10 | 8-15 | |
Seal pressure | Pm(MPa) | 90% Pk | ||||
Reseation pressure | Ph(MPa) | 90% Pk | ||||
Relieving pressure | Pp(MPa) | 1.1 Pk | ||||
Llift | H(mm) | 1/ d0 | ||||
Appropriate temperature | C | 300 | ||||
P R | 200 | |||||
Appropriate medium | C | Gas,Liquid | ||||
P R | Nitric Acid,Acetic Acid,Gas,Liquid | |||||
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NFWA41C美標(biāo)磅級(jí)波紋管安全閥主要整定壓力
公稱壓力 | 900系列-16/25/40/64/100整定壓力(MPa) | |||||||
1.6 | >0.1-0.16 | >0.16-0.25 | >0.25-0.4 | >0.4-0.6 | >0.6-0.8 | >0.8-1.0 | >1.0-1.3 | >1.3-1.6 |
2.5 | >1.3-1.6 | >1.6-2.0 | >2.0-2.5 | " | " | " | " | " |
4.0 | >1.3-1.6 | >1.6--2.0 | >2.0-2.5 | >2.5-3.2 | >3.2-4.0 | " | " | " |
6.4 | >2.5-3.2 | >3.2-4.0 | >4.0-5.0 | >5.0-6.4 | " | " | " | " |
10.0 | >3.2-4.0 | >4.0-5.0 | >5.0-6.4 | >6.4-8.0 | >8.0-10.0 | " | " | " |
16.0 | >8.0-10.0 | >10-13 | >13-16 | " | " | " | " | " |
32.0 | >13-16 | >16-19 | >19-22 | >22-25 | >25-29 | >29-32 |
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