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* Standard, Schedule 40 & 40s have the same dimensions.
** Extra Heavy, Extra Strong, Schedule 80 & 80s have the same dimensions.
Weights are approximate for carbon and stainless steel pipe.
1/8” IPS pipe is readily available in carbon steel, brass and stainless steel. Although it is listed in many manufacturers’ catalogs, the availability of alloys, aluminum, PVC and CPVC is limited.
1/8” NPT threaded and socket weld pipe fittings are readily available in iron, steel, brass, aluminum and stainless steel. Most alloys are made to order. PVC and CPVC threaded and socket weld fittings are not made.
Grooved fittings, butt weld fittings and ANSI flanges are not produced for 1/8” pipe size.
The only valves commonly produced in 1/8" NPT are needle valves, air cocks and ball valves.
There is no significant cost savings for using 1/8" pipe vs 1/4" pipe. And in most cases, cost will be higher than 1/2" pipe, valves and fittings.
Please contact our sales dept for more information 510-887-2700