Merchant Steel Fittings
- Merchant Coupling dimensions and materials conform to ASTM A865
- Merchant Coupling threads conform to ASME B1.20.1
- Standard Couplings from 1/8” to 2” are NPSC (Straight Threads), 2-1/2” and larger are NPT (Tapered)
- Merchant Steel bushings and plugs conform to ASME B16.14
- API Couplings dimensions conform to ASTM A865
- API Coupling threads conform to ASME B1.20…1