Fitting type: Hexagonal nipple
Connector 1: BSPT1, male thread
Connector 2: BSPT1, male thread
Finish: Black oxide surface
Fitting type 1: Barbed nipple
Fitting type 2: Barbed nipple
Thread size 1: 1 inch
Thread size 2: 1 inch
Thread standard 1: BSPT
Thread standard 2: BSPT

Intermediate pressure ratings at temperatures between 120 °C and 300 °C can be calculated by linear interpolation. Hot-dip galvanized fittings must not be used below -10 °C. Hexagonal nipple - BSPTM x BSTPM. Hexagonal nipples made of malleable cast iron are extremely durable and temperature resistant, making them ideal for use in air conditioning, plant engineering, gas lines, and lubrication lines. Black malleable cast iron is not suitable for drinking water installations.