Shanghai Central Yao Valve Co., Ltd. to provide you with: DA21F-40T safety valve, DA21F-40T safety valve specifications, wholesale DA21F-40T safety valve, DA21F-40T safety valve to use, DA21F-40T safety valve precautions, DA21F-40T security the valve product descriptions and other related information 
 Overview: 
 The dedicated safety valve of this type is mainly used for the liquid oxygen (nitrogen, liquid argon) 
 Cryogenic liquid medium systems, and start with ease, sealing can 
 Rely on, take off the pressure stability characteristics. 
 Specifications: 
 Nominal diameter: DN 10 ~ 25mm 
 Nominal pressure: PN 4.0MPa 
 Suitable medium: LO2, LN2, LAR, LNG 
 Applicable Temperature: -196 ℃ - +80 ℃ 
 Material: 
 Valve, valve seat: copper 
 Valve top, stem, spring: stainless steel 
 Safety valve brand DA21F-40T ring Yiu low price and high quality Oh! Delivery timely delivery is very fast, welcome new and old customers call or fax to consult and view contacts: Yang Xiaowan manager