Specification of

galvanized fittings are pipe joint material for galvanized pipe connectors commonly used in water pipe installations
material consists of
ELBOW 90, SOCK, VLOCK SOCK, VLOCK RING, TEE, D NIPPLE, WATER MUR, PLUG, DOP, V.SOCK, V.TEE, V RING and all have drat money connections commonly called NPT
there is pressure
class 150 and class 3000