150 lb. Ground Joint Insulating Union
150 lb. Ground Joint Insulating Union
150-Class ANSI.,B16.39
300 lb. Cold Working Pressure
Stops Galvanic and Electrolytic Corrosion of Mains and Services
Provides Permanent, Economical Protection
Protects against Stray or Induced House Currents
- Ground Joint: Extra wide seating surface.
- Precise Mating Tapers: Provides high compression, gas-tight seal. Will not loosen under strain or vibration.
- Nut and Body: Made of high test, air refined malleable iron.
- Extra Heavy Shoulder: On swivel end and in the nut. Increases strength to withstand pipe strains, vibration, misaligned connections, and wrench abuse.
- Integral one-Piece Construction: Insulation is bonded and molded to the metal body. No loose parts to assemble, lose, or misalign during field installation.
- Precise Threading: Expert machining for exact dimensions. Meets ANSI B2.1.
- Molded Nylon: Nonbrittle to withstand extreme shock loads and impact without fracturing. Chemically unaffected by most substances including gas, water, ammonia, petroleum oils, and greases at temperatures as high as 250° F. Central’s insulation design uses a return of nylon on the internal surface, which gives additional protection against shorts caused by bridging of foreign materials. Dielectric strength goes far beyond the toughest requirements.
Female X Female Iron Pipe Sizes Available:
3/4″, 1″, 1 1/4″, 1 1/2″, 2″
1/2″ gasket design only.
Also available with one swivel end of brass
150 lb. Ground Joint Insulating Union
150 lb. Ground Joint Insulating Union

Additional information
SKU
CPC-GJIU150
Categories Central Plastics Co., Insulators and Seals, Isolators and Hardware
Tags accessories, hardware, insulating union
Other Similar Products
Related products
Additional information
SKU
CPC-GJIU150
Categories Central Plastics Co., Insulators and Seals, Isolators and Hardware
Tags accessories, hardware, insulating union