1/2'' NPT Brass Thread In-Line Spring Check Valve Backstop Valve RodCoreThread &

ITEM NAME:1/2'' NPT Brass Thread In-Line Spring Check Valve Backstop Valve RodCoreThread &.Model: 1/2" NPT. Material: solid brass+stainless steel spring. 1/2" Brass In-Line Spring Vertical Check Valve 200WOG. Form: Inline check valve. Air pressure at the normal temperature water and oil: 200# WOG.