Tenders for Supply of Quick Release Coupling Qrc 3/4 With Male Adapter And 1/2 Barbed End Ad Apter, As Per Drawing: Pst/2326/Sketch/Qrc Rev. 1, Qrc With Adapter Should Be Made From C Arbon Steel Grade Is: 1875-15C8 Having Strength To Bear 10 Bar Pressure. Sample Sho Uld Be Got Approved Before Bulk Supply. Warranty Period: 30 Months After The Date Of Delivery