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Georg Fischer Central Plastics Ground Joint Unions

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Georg Fischer Central Plastics Ground Joint Unions

Insulating Ground Joint Unions

The insulated union is a serviceable connection that incorporates a permanently molded and bonded material. This allows the union to act as an interruption point in the metallic or conductive path between a pipeline and its associated plant and/or equipment. The union stops galvanic and electrolytic corrosion of mains and services, provides permanent, economical protection, and protects against stray or induced house currents.

150# Ground Joint Union

  • 150-Class, 300lb. cold working pressure
  • Complies with ASTM A197 and ANSI B1.20.1
  • Female x Female Iron Pipe Sizes Available: .75", 1", 1.25", 1.5", 2"

Working Pressure

1. Ground Joint: extra wide seating surface.
2. Precise Mating Tapers: provides high compression, gas-tight seal. Will not loosen under strain or vibration.
3. Nut and Body: made from high-test, air-refined malleable iron.
4. Extra Heavy Shoulder: on swivel end and the nut. Increases strength to withstand pipe strains, vibrations, misaligned connections, and wrench abuse.
5. Integral One-Piece Construction: nylon insulation is bonded and molded on to metal body. No loose parts to assemble, lose, or misalign during field installation.
6. Precision Threading: expert machining for exact dimensions. Meets ANSI B2.1.
7. Molded Nylon: non-brittle 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. Georg Fischer Central Plastics 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.

Download a product specifications sheet here: Ground Joint Insulating Unions 300lb

3000# Forged Steel Ground Joint Union

  • 150-Class ANSI., B16.39
  • 3000 LB Working Pressure
  • Complies with ASTM A105 ANSI B1.20.1.
  • Female x Female Iron Pipe
  • Sizes Available: ¼", ⅜", ½", ¾", 1", 1¼", 1½", 2"

Working Pressure:

1. Ground Joint: extra wide seating surface.
2. Brass Ring: serves as bearing surface for the nut. Eliminates possibility of damage to nylon insulation when making-up.
3. Precise Mating Tapers: provides high compression, gas-tight seal. Will not loosen under strain or vibration.
4. Forged Steel Nut and Body: made from hot-forged AISI 1023 open hearth, silicon killed forged steel.
5. Extra Heavy Shoulder: on swivel end and in the nut. Increases strength to withstand pipe strains, vibration, misaligned connections, and wrench abuse.
6. Internal One-Piece Construction: insulation is bonded and molded to metal body. No loose parts to assemble, lose, or misalign during field installation.
7. Precision Threading: expert machining for exact dimensions.
8. Molded Nylon: non-brittle to withstand extreme shock loads and impact without fracturing. Chemically unaffected as high as 250°F. Georg Fischer Central Plastics’ 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.

Download a product specifications sheet here: Ground Joint Insulation Unions 3000lb

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