Steel material and coupling dimensions conform to the requirements of ASTM A865. Standard merchant couplings 1/8 – 2″ are straight tapped (NPS) and 2-1/2 ” and larger are taper tapped (NPT) to ANSI/ASME B1.20.1
Black Steel

Available In
- BLMC-01 1/8"
- BLMC-02 1/4"
- BLMC-03 3/8"
- BLMC-05 1/2"
- BLMC-07 3/4"
- BLMC-10 1"
- BLMC-12 1-1/4"
- BLMC-15 1-1/2"
- BLMC-20 2"
- BLMC-25 2-1/2"
- BLMC-30 3"
- BLMC-35 3-1/2"
- BLMC-40 4"
- BLMC-50 5"
- BLMC-60 6"
- BLMC-80 8"








