Check Valve Female Excel Metal part no. Size HEX NPT-F CHV-6K-S6-2NF 1/8" 25.4(1") 78(3.07") CHV-6K-S6-4NF 1/4" 25.4(1") 78(3.07") CHV-6K-S6-6NF 3/8" 25.4(1") 78(3.07") CHV-6K-S6-8NF 1/2" 28.6(1.12) 78(3.07") CHV-6K-S6-12NF 3/4" 32(1.26") 78(3.07") CHV-6K-S6-16NF 1" 42(1.26") 88(3.46") Features : check valves are used for controllng flow in one direction only. Check valves should never be used as code safety relief devices. Note : End connections available in NPT; BSPT ; Tube size; BSPP 100% valve are factory tested prios to despatch. Pressure range from 1,000 to 10,000 psi. Check Valve Tube X Tube Fractional Excel Metal part no. L Size HEX CHV-6K-S6-2T 83(3.27") 1/8" ODT 25.4(1") CHV-6K-S6-4T 90(3.54") 1/4" ODT 25.4(1") CHV-6K-S6-6T 90(3.54") 3/8" ODT 25.4(1") CHV-6K-S6-8T 96(3.78") 1/2" ODT 28.6(1.12) CHV-6K-S6-12T 96(3.78") 3/4" ODT 28.6(1.12) Features : check valves are used for controllng flow in one diretion only. Check valves should never be used as code safety relief devices. Note : End connections available in NPT; BSPT ; Tube size; BSPP 100% valve are factory tested prior to despatch. Pressure range from 1,000 to 10,000 psi. Cracking pressre 1 psi to 25 psi. Check Valve Tube X Tube Metric Excel Metal part no. L Size HEX CHV-6K-S6-3M-T 83(3.27") 3MM 25.4(1") CHV-6K-S6-6M-T 90(3.54") 6MM 25.4(1") CHV-6K-S6-10M-T 90(3.54") 10MM 25.4(1") CHV-6K-S6-12M-T 96(3.78") 28.6(1.12) 12MM CHV-6K-S6-20M-T 96(3.78") 20MM 28.6(1.12) Features : Check valves are used for controllng flow in one diretion only. Check valves should never be used as code safety relief devices. Note : End connections available in NPT; BSPT ; Tube size; BSPP 100% valve are factory tested prior to despatch. Pressure range from 1,000 to 10,000 psi. Cracking pressre 1 psi to 25 psi. Check Valve Male X Male Excel Metal part no. Size HEX NPT-M CHV-6K-S6-2NM 1/8" 25.4(1") 78(3.07") CHV-6K-S6-4NM 1/4" 25.4(1") 78(3.07") CHV-6K-S6-6NM 3/8" 25.4(1") 78(3.07") CHV-6K-S6-8NM 1/2" 28.6(1.12) 78(3.07") CHV-6K-S6-12NM 3/4" 32(1.26") 78(3.07") CHV-6K-S6-16NM 1" 42(1.26") 88(3.46") Features : Check valves are used for controllng flow in one diretion only. Check valves should never be used as code safety relief devices. Note : End connections available in NPT; BSPT ; Tube size; BSPP 100% valve are factory tested prior to despatch. Pressure range from 1,000 to 10,000 psi. Cracking pressre 1 psi to 25 psi.