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GRUVLOK Clamp Coupling: Clamp, 3 in x 3 in, Ductile Iron, NBR Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Clamp, 3 in x 3 in, Ductile Iron, NBR Seal

The GRUVLOK Clamp Coupling is a 3 in x 3 in grooved pipe coupling made of ductile iron with an NBR seal, rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390000842). 3G Electric sources this genuine…

SKU 3G-OTH-468203

Brand
GRUVLOK
Item
Clamp Coupling: Clamp, 3 in x 3 in, Ductile Iron, NBR Seal
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390000842
Type
3 in x 3 in, Ductile Iron, NBR Seal, 300 psi @ 150° F
Fitting Pipe Size
3 in x 3 in
Maximum Operating Pressure
300 psi @ 150° F
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling is a 3 in x 3 in grooved pipe coupling made of ductile iron with an NBR seal, rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390000842). 3G Electric sources this genuine industrial component across 14 departments, with specialist expertise in combustion, pumps and controls to ensure the right fit for your system.

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 a GRUVLOK clamp coupling used for?

A GRUVLOK clamp coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a flexible, leak-tight connection rated for 300 psi at 150 °F, using a ductile-iron housing and NBR seal.

What are the specifications of the GRUVLOK 0390000842 coupling?

This GRUVLOK coupling is 3 in x 3 in, made of ductile iron with an NBR seal. Maximum operating pressure is 300 psi at 150 °F. The manufacturer part number is 0390000842. 3G Electric supplies this genuine component worldwide.

Where to buy a GRUVLOK 3 in clamp coupling worldwide?

3G Electric supplies the GRUVLOK 3 in x 3 in clamp coupling (MPN 0390000842) to global customers. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time.

How to select the right GRUVLOK coupling for a piping system?

Match the coupling size to your pipe's grooved-end diameter—here 3 in x 3 in. Verify pressure rating (300 psi at 150 °F) and seal material (NBR for water/non-potable fluids). 3G Electric's specialists can confirm compatibility across your system.

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 Clamp Coupling: Clamp, 2 in x 2 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390010007). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 2 in x 2 in.
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GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 5 in x 5 in, Ductile Iron, EPDM Seal, 750 psi (MPN 390213214). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 5 in x 5 in.
GRUVLOK Metal Pipe Straight: Straight, 8 in x 8 in, Ductile Iron, EPDM Seal, 750 psi @ 150°F (MPN 0390013571). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi @ 150°F; Fitting Pipe Size: 8 in x 8 in.
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GRUVLOK Clamp Coupling: Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390000404). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 6 in x 6 in.
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GRUVLOK Rigid Coupling: Clamp, 8 in x 8 in, NBR Seal, 600 psi, Ductile Iron, Grooved x Grooved (MPN 390213666). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
GRUVLOK Metal Pipe Straight: Straight, 4 in x 4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390003085). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 4 in x 4 in.
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GRUVLOK Rigid Coupling: Clamp, 5 in x 5 in, EPDM Seal, 750 psi, Ductile Iron, Grooved x Grooved (MPN 390213614). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.