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The Gruvlok Figure 7305 HDPE Coupling is a cost effective, easy to assemble, mechanical joint for HDPE pipe conforming to ASTM F714, D2447, D3000, or D3035 with wall thicknesses ranging from SDR 32.5 to SDR 7.3. The Gruvlok coupling method also eliminates the need for costly fusion equipment. Each coupling uses four bolts to drive sharply machined teeth into the outside of the HDPE pipe. When the teeth effectively grip into the pipe, it provides a secure and rigid mechanical connection with pressure capabilities exceeding that of the HDPE pipe itself. The banks of teeth are positioned away from the gasket to enhance the gasket’s sealing ability throughout the operating temperature range. The Figure 7305 HDPE coupling also provides a low profile contoured housing with ramps along the outside diameter. This allows the coupling to slide over most obstacles when long lengths of the pipeline are relocated.
    WARNING:
    1. Gruvlok products for HDPE pipe must be installed using Gruvlok Xtreme™more
Unit of Measure

Specifications

Industry Standards/Certifications

NSF/ANSI 61

Type

HDPE Coupling

Style

Grooved

Nominal Size

18 in

Housing Material

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

Coatings

Rust inhibiting paint – Color: ORANGE

Gasket Material

EPDM

Gasket Type

Properties in accordance with ASTM D 2000

Bolt Material

SAE J429, Grade 5, Zinc Electroplated

Heavy Hex Nut

ASTM A563, Grade A, Zinc Electroplated

Coupling Bolts Size

1 x 4 1/2 in

Coupling Bolts Qty.

4

Lubrication

Gruvlok Xtreme™

Application

Recommended for water service, dilute acids, alkaline solutions, oil free air and many chemical services. NOT FOR USE IN PETROLEUM APPLICATIONS. For specific chemical applications, reference the Gruvlok Gasket Recommendations section of the Gruvlok catalog.

Min. Service Temperature Range

-30 ºF

Max. Service Temperature Range

230 ºF

Product Number

0390060200

UPC Code

69029167159

Weight

111.06 lb