SpecificationsGuillemin coupling 1.Guillemin coupling 2.EN14420 -8/ NF E29572 3.Size:1/2" to 4" 4.Casting method:Gravity casting ,Website:://.lifestylecasting.com,investment castingGuillemin camlock coupling Standard:EN14420-8 / NF E29572Parts:male with latchmale without latchfemale with latchfemale without latchhose tail with latchhose tail without latchcap with latch with chainmale guillemin helicoidalehose guillemin helicoidaleThread type:Male thread:EN ISO 228-1,BSPFemale thread: EN ISO 228-1,BSPSealing:NBR: black