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Georg Fischer Central Plastics O-Ring Unions

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Georg Fischer Central Plastics O-Ring Unions

O-Ring Insulating Unions

Insulated Products for Protection Against Galvanic and Electrolytic Corrosion – Millions in Service
Economical. Permanent. Reusable. Protects against stray or induced currents.

The integral, one-piece construction of Georg Fischer Central Plastics ‘O’ ring union features nylon which is molded and bonded on, completely enclosing the flange and flat face. This design uses a return of nylon on the internal surface, which gives additional protection against shorts caused by bridging of foreign materials. The molded nylon is a non-brittle type which will withstand great impact and shock loads without fracturing. The dielectric strength goes far beyond the toughest requirements.

Georg Fischer Central Plastics ‘O’ Ring Unions Feature Long-Life, Fool-Proof Installation Ease

150# 'O' Ring Style

  • Flat faced type 150 Class 300 CWP
  • Complies with ASTM A197: ANSI B1.20.1
  • 150-175 lb: .75", 1", 1.25", 1.5", 2"
  • .5" gasket design only
  • Confined O-ring seal
  • Hammer lug available
  • Protects against stray or induced currents 30LT, 45LT

Working Pressure:

1. Confined ‘O’ Ring Seal: allows unions to be reused. Little torque required to make gas-tight seal, yet permits extremely high compression.
2. Brass Ring: serves as a bearing surface for the nut, eliminating undue wear on binding or nylon insulation when making-up.
3. Leak-Proof Static Seal: the confined gasket makes the seal completely leak-proof. Will not loosen under strain or vibration.
4. Nut and Body: made from high-test, air-refined malleable iron.
5. Extra Heavy Shoulder: on swivel end and the nut. Increases strength to withstand pipe strains, vibrations, misaligned connections, and wrench abuse.
6. 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.
7. Precision Threading: expert machining for exact dimensions. Meets ANSI B2.1.

Download product specifications here: ‘O’ Ring Insulation Union 150lb

3000# Forged Steel 'O' Ring Style

  • Flat face type - 3000 lb working pressure
  • Complies with ASTM A-105
  • Sizes Available: .5", ¾", 1", 1.25", 1.5", 2", 2.5", 3"

Working Pressure:

1. Confined ‘O’ Ring Seal: allows union to be reused. Little torque required to make gas-tight seal, yet permits extremely high compression.
2. Brass Ring: serves as a bearing surface for the nut, eliminating undue wear or binding on nylon insulation when making-up.
3. Leak-Proof Static Seal: the confined gasket makes the seal completely leak-proof. Will not loosen under strain or vibration.
4. Forged Steel Nut and Body: made of hot forged AISI 1023 open hearth, “silicon killed” steel.
5. Extra Heavy Shoulder: on swivel end and the nut. Increases strength to withstand pipe strains, vibrations, misaligned connections, and wrench abuse.
6. Internal One-Piece Construction: nylon insulation is bonded and molded on metal body. No loose parts to assemble, lose, or misalign during field installation.
7. Precision Threading: expert machining for exact dimensions.

Download product specifications here: ‘O’ Ring Insulating Union 3000lb

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