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Gruvlok introduces new 2-piece large diameter standard groove couplings in both rigid and flexible styles
  • Uses standard grooves (conforming to AWWA C-606)
  • No special grooves or grooving tools needed
  • Pressures to 350 P.S.I. on cut or roll grooved pipe with a wall thickness of 0.250" or greater
  • No special fittings needed
  • No special valves needed
  • Up to 23% less weight than competitive models
  • Sizes: 14" through 24" in Rigid: Figure 7401-2
Unit of Measure

Specifications

Industry Standards/Certifications

 N/A NSF/ANSI 61

Type

 N/A Coupling

Style

 N/A Grooved

Nominal Size

 N/A 20 in

Bolts

 N/A Ductile Iron conforming to ASTM A 536, Grade 65-45-12

Gasket Material

 N/A Nitrile

Bolt Material

 N/A SAE J429, Grade 5, Zinc Electroplated

Gasket Type

 N/A Flush Gap

Heavy Hex Nut

 N/A ASTM A563, Grade A, Zinc Electroplated

Lubrication

 N/A Standard or Gruvlok Xtreme

Coatings

 N/A Hot Dipped Zinc Galvanized

Min. Service Temperature Range

 N/A -20 ºF

Max. Service Temperature Range

 N/A 180 ºF

Max. Working Pressure

 N/A 350 psi

Max. End Load

 N/A 109956 lb
Range of Pipe End Separation1 N/A 0-3/32 in

Coupling Bolts Size

 N/A 1 1/8 x 5 1/2 in

Coupling Bolts Qty.

 N/A 2

Product Number

 N/A 0390103778

UPC Code

 N/A 69029127034

Weight

 N/A 73.5 lb
  • 1 Range of Pipe End Separation values are for roll grooved pipe and may be doubled for cut groove pipe.