Bj45h / W DC rwb thaiv tsev ntiaj teb valve

Paub meej ntawm bj45h / W DC rwb thaiv tsev ntiaj teb valve

Engineering txoj kab uas hla: DN 15 ~ DN 200

Nominal siab: PN25 ~ 40 

Ua haujlwm kub: 0 ​​℃ ~ 150 ℃

Cov xov xwm siv tau: cov nkev roj, kua ammonia, nitric acid, acetic acid, thiab lwm yam 

Cov qauv tsim

GB / T12235, GB / T12233, GB / T2492, JB / T450, ASME B16.34, API 602, BS 1873, DIN 3356