久激情内射婷内射蜜桃欧美一级I中文字幕一区二区三四五区日日骚 黄总I亚洲久热I夜夜春亚洲嫩草一区二区Icaoporn96I97内射I色婷婷777777仙踪林I色偷偷色噜噜狠狠网站综合I久操久操久操I九一在线观看I青草视频日韩I色婷婷香蕉在线一区二区I日本中文视频

translate 中文

PRODUCTS

Check Valve

Check Valve
The working medium flows in one direction.

Working pressure: 2000PSI to 20,000 psi

Nominal diameter: 2.1/16 "to 4.1/16" (52mm to 103mm)

Working medium: petroleum, natural gas, slurry, gas containing H2S and CO2

Operating temperature: -46°C to 121°C (LU class)

Material grades: AA, BB, CC, DD, EE, FF, HH

Specification level: PSL1 to 4

Performance level: PR1-2