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GRUVLOK Metal Pipe Straight: Straight, 3 in x 3 in, Ductile Iron, EPDM Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Metal Pipe Straight: Straight, 3 in x 3 in, Ductile Iron, EPDM Seal

The GRUVLOK Metal Pipe Straight is a grooved pipe coupling in a 3 in x 3 in straight configuration, made of ductile iron with an EPDM seal. It is rated for a maximum operating pressure of 750 psi at 150°F (MPN…

SKU 3G-OTH-468206

Brand
GRUVLOK
Item
Metal Pipe Straight: Straight, 3 in x 3 in, Ductile Iron, EPDM Seal
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390013530
Type
3 in x 3 in, Ductile Iron, EPDM Seal, 750 psi @ 150°F
Fitting Pipe Size
3 in x 3 in
Maximum Operating Pressure
750 psi @ 150°F
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Metal Pipe Straight is a grooved pipe coupling in a 3 in x 3 in straight configuration, made of ductile iron with an EPDM seal. It is rated for a maximum operating pressure of 750 psi at 150°F (MPN 0390013530).

Frequently Asked Questions

What is a GRUVLOK metal pipe straight used for?

A GRUVLOK metal pipe straight is a grooved pipe coupling used to join pipes in industrial fire protection, HVAC, and process piping systems. It provides a rigid, leak-tight connection rated for 750 psi at 150°F, suitable for high-pressure water and other compatible fluids.

What are the specifications of the GRUVLOK 3 in x 3 in pipe straight?

The GRUVLOK metal pipe straight (MPN 0390013530) is a 3 in x 3 in straight grooved coupling made of ductile iron with an EPDM seal. It has a maximum operating pressure of 750 psi at 150°F. This configuration is designed for use with grooved-end pipe in industrial applications.

Where to buy GRUVLOK pipe couplings in worldwide?

3G Electric supplies GRUVLOK pipe couplings worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source and deliver genuine GRUVLOK components like the 3 in x 3 in metal pipe straight to customers across multiple industries.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK grooved pipe coupling, ensure pipe ends are clean and properly grooved per manufacturer specifications. Lubricate the EPDM gasket, place it over the pipe end, and slide the coupling housing over the gasket. Tighten bolts evenly to the recommended torque for a secure, leak-free joint.

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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GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 3 in x 3 in, Ductile Iron, EPDM Seal, 750 psi (MPN 390213410). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 3 in x 3 in.
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GRUVLOK Clamp Coupling: Bolted, 4 in x 3 in, Ductile Iron, NBR Seal, 500 psi, 8 7/8 in Overall Lg (MPN 0390008902). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 4 in x 3 in.
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GRUVLOK Clamp Coupling: Flex Hinged, 1 1/2 in x 1 1/2 in, Ductile Iron, EPDM Seal, 300 psi (MPN 0390200004). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 1-1/2 in x 1-1/2 in.
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GRUVLOK Clamp Coupling: Flex Hinged, 1 1/2 in x 1 1/2 in, Ductile Iron, EPDM Seal, 300 psi (MPN 0390200004). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 1-1/2 in x 1-1/2 in.
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GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 2 in x 2 in, Ductile Iron, EPDM Seal, 750 psi (MPN 390213406). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 2 in x 2 in.
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GRUVLOK Rigid Coupling: Clamp, 8 in x 8 in, EPDM Seal, 600 psi, Ductile Iron, Grooved x Grooved (MPN 390213618). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Clamp, 8 in x 8 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390000420). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
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GRUVLOK Clamp Coupling: Clamp, 8 in x 8 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390000420). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
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