Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

GRUVLOK Clamp Coupling: Rigid Bolted Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Rigid Bolted Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal

The GRUVLOK Clamp Coupling is a rigid bolted grooved pipe coupling in a 6 in x 6 in size, constructed from ductile iron with an EPDM seal and rated for a maximum operating pressure of 300 psi (MPN 0390060143). 3G…

SKU 3G-OTH-468279

Brand
GRUVLOK
Item
Clamp Coupling: Rigid Bolted Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal
Category
Grooved Pipe Couplings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390060143
Type
6 in x 6 in, Ductile Iron, EPDM Seal, 300 psi
Fitting Pipe Size
6 in x 6 in
Maximum Operating Pressure
300 psi
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling is a rigid bolted grooved pipe coupling in a 6 in x 6 in size, constructed from ductile iron with an EPDM seal and rated for a maximum operating pressure of 300 psi (MPN 0390060143). 3G Electric interprets this demand and delivers the genuine GRUVLOK coupling, backed by our specialist expertise across 14 industrial departments—including combustion, pumps, and controls—to ensure you get the right solution for your piping system.

Frequently Asked Questions

What is a GRUVLOK rigid bolted clamp coupling used for?

A GRUVLOK rigid bolted clamp coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a leak-tight, rigid connection rated for 300 psi, suitable for water, oil, and other non-corrosive fluids.

What are the specifications of the GRUVLOK 0390060143 coupling?

The GRUVLOK 0390060143 is a 6 in x 6 in rigid bolted clamp coupling made of ductile iron with an EPDM seal. It has a maximum operating pressure of 300 psi and is designed for grooved-end pipe connections.

Where to buy GRUVLOK couplings worldwide?

3G Electric supplies genuine GRUVLOK couplings worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 6 in rigid clamp coupling.

How to install a GRUVLOK rigid clamp coupling?

To install a GRUVLOK rigid clamp coupling, ensure pipe ends are clean and grooved. Lubricate the EPDM gasket, place it over both pipe ends, then position the coupling housing over the gasket. Tighten bolts evenly to the manufacturer's torque specification.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from GRUVLOK

View all GRUVLOK parts
GRUVLOK Metal Pipe Straight: Straight, 4 in x 4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390007409). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 4 in x 4 in.
GRUVLOK
GRUVLOK Metal Pipe Straight: Straight, 4 in x 4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390007409). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 4 in x 4 in.
GRUVLOK Clamp Coupling: 2 in x 2 in, EPDM Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390209021). Key specifications — Maximum Operating Pressure: 300 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 2 in x 2 in, EPDM Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390209021). Key specifications — Maximum Operating Pressure: 300 psi; Brand: GRUVLOK.
GRUVLOK Couplings: Rigid Bolted, 2 1/2 in x 2 1/2 in, Ductile Iron, NBR Seal, 750 psi (MPN 0390010221). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
GRUVLOK
GRUVLOK Couplings: Rigid Bolted, 2 1/2 in x 2 1/2 in, Ductile Iron, NBR Seal, 750 psi (MPN 0390010221). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
Clamp Coupling: 316 Stainless Steel, 6 in x 6 in, 10 7/8 in Lg, EPDM, 750 psi, Bolted (MPN 0390065314). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 6 in x 6 in.
GRUVLOK
Clamp Coupling: 316 Stainless Steel, 6 in x 6 in, 10 7/8 in Lg, EPDM, 750 psi, Bolted (MPN 0390065314). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 6 in x 6 in.
GRUVLOK Clamp Coupling: Clamp, 2 in x 2 in, Ductile Iron, NBR Seal, 300 psi @ 150° F (MPN 0390013662). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 2 in x 2 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 2 in x 2 in, Ductile Iron, NBR Seal, 300 psi @ 150° F (MPN 0390013662). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 2 in x 2 in.
GRUVLOK Clamp Coupling: 10 in x 10 in, EPDM Seal, 500 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390101889). Key specifications — Maximum Operating Pressure: 500 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 10 in x 10 in, EPDM Seal, 500 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390101889). Key specifications — Maximum Operating Pressure: 500 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: 4 in x 4 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390101996). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 4 in x 4 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390101996). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Clamp, 2 1/2 in x 2 1/2 in, NBR Seal, 750 psi, Ductile Iron, Bolted (MPN 390213656). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.