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GRUVLOK Clamp Coupling: 8 in x 8 in, NBR Seal, 750 psi, Ductile Iron - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 8 in x 8 in, NBR Seal, 750 psi, Ductile Iron

The GRUVLOK Clamp Coupling (8 in x 8 in, MPN 0390113322) is a grooved pipe coupling with a ductile iron body and NBR seal, designed for grooved x grooved x threaded connections. It supports a maximum operating…

SKU 3G-OTH-460079

Brand
GRUVLOK
Item
Clamp Coupling: 8 in x 8 in, NBR Seal, 750 psi, Ductile Iron
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390113322
Type
NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved x Threaded
Maximum Operating Pressure
750 psi
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling (8 in x 8 in, MPN 0390113322) is a grooved pipe coupling with a ductile iron body and NBR seal, designed for grooved x grooved x threaded connections. It supports a maximum operating pressure of 750 psi, as specified by the manufacturer.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the GRUVLOK 8 in clamp coupling used for?

The GRUVLOK 8 in clamp coupling connects grooved-end pipe in fire protection, HVAC, and industrial piping systems. Its ductile iron body and NBR seal handle pressures up to 750 psi, making it suitable for high-pressure water and light oil services.

What are the specifications of the GRUVLOK 0390113322 coupling?

This GRUVLOK coupling is 8 in x 8 in with a ductile iron body, NBR seal, and grooved x grooved x threaded connections. Maximum operating pressure is 750 psi. The manufacturer part number is 0390113322.

Where to buy GRUVLOK 8 in clamp couplings worldwide?

3G Electric supplies GRUVLOK 8 in clamp couplings worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this ductile iron coupling rated for 750 psi.

How to install a GRUVLOK grooved pipe coupling?

Align the grooved pipe ends, lubricate the NBR gasket, and place it over both pipe ends. Position the GRUVLOK housing over the gasket, insert bolts, and tighten evenly to the manufacturer’s torque spec. Do not exceed 750 psi operating pressure.

Used in

Common applications for GRUVLOK
Fire-protection systems — GRUVLOK ductile iron butterfly valves (e.g., SKU 3DVX7) for water-based sprinkler and standpipe networks.
Chemical processing — GRUVLOK carbon steel butterfly valve with 316 stainless steel disc (SKU 60WR76) for handling corrosive media.
General water distribution — GRUVLOK ductile iron butterfly valve with EPDM seat (SKU 60WR98) for municipal or industrial water lines.
HVAC piping — GRUVLOK grooved-end butterfly valves for chilled water or hot water systems requiring quick installation.
Industrial process control — GRUVLOK lever-operated butterfly valve (SKU 60WR82) for throttling or isolation in chemical media applications.

GRUVLOK Products

3G Electric supplies GRUVLOK grooved pipe couplings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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