1500NP Series (1-1/2 Pipe)
These blocks, molded in blue ABS plastic, are available in 7 different shapes to aid in modeling turbo manifolds using 1-1/2″ NPS cast pipe elbows: 1/2″ straight blocks, 1″ straight blocks, 1″ long 1.5″ CLR (centerline radius) blocks, 30 degree 1.5″ CLR blocks, 1″ long 2.25″ CLR blocks; plus 15 and 30 degree 2.25″ CLR blocks. Kits also include block adapters to be attached to the open end of a 1-1/2” NOMINAL PIPE (1.900″ OD) Section to start the tubular assembly design started either downstream or upstream.