Excellent fluid movement control Constructed with Carbon Steel body/stem, this flows control valves delivers precisions throttling while resisting and wear Engineered for high pressure tubing systems, this Carbon Steel check valves features a robust 5800PSI rating and threaded connection to ensuring leak proof flows control Application: Hydraulic, water, oil Positioning structure: L with pressed nut, blanks-without pressed nut, Manufacturer: Elnwnnkc