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, 5 in x 5 in, Ductile Iron, NBR Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Rigid Bolted, 5 in x 5 in, Ductile Iron, NBR Seal

The GRUVLOK Clamp Coupling is a rigid bolted grooved pipe coupling in a 5 in x 5 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 750 psi (MPN 0390010288). 3G…

SKU 3G-OTH-468306

Brand
GRUVLOK
Item
Clamp Coupling: Rigid Bolted, 5 in x 5 in, Ductile Iron, NBR 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
0390010288
Type
5 in x 5 in, Ductile Iron, NBR Seal, 750 psi
Fitting Pipe Size
5 in x 5 in
Maximum Operating Pressure
750 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 5 in x 5 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 750 psi (MPN 0390010288). 3G Electric interprets this demand and sources the genuine OEM part, backed by specialist expertise in combustion, pumps and controls across 14 industrial departments.

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, mechanically strong connection rated for 750 psi, using a ductile iron housing and NBR seal. 3G Electric supplies this genuine OEM part worldwide.

What are the specifications of the GRUVLOK 0390010288 coupling?

The GRUVLOK 0390010288 is a 5 in x 5 in rigid bolted grooved pipe coupling made of ductile iron with an NBR seal. It has a maximum operating pressure of 750 psi. 3G Electric sources this genuine GRUVLOK part for industrial applications across 14 departments.

Where to buy a GRUVLOK 5 in rigid coupling worldwide?

3G Electric supplies the GRUVLOK 5 in rigid bolted clamp coupling (MPN 0390010288) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on this genuine OEM part.

How to install a GRUVLOK rigid grooved coupling?

To install a GRUVLOK rigid coupling, ensure pipe ends are clean and grooved per manufacturer specs. Lubricate the NBR gasket, place it over both pipe ends, then position the ductile iron housing halves and tighten bolts evenly to the recommended torque. 3G Electric provides sourcing support for this coupling.

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
GRUVLOK
GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 5 in x 5 in, Ductile Iron, NBR Seal, 750 psi (MPN 390213262). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 5 in x 5 in.
Clamp Coupling: 316 Stainless Steel, 5 in x 5 in, 9 45/64 in Lg, EPDM, 750 psi, Bolted (MPN 0390065312). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 5 in x 5 in.
GRUVLOK
Clamp Coupling: 316 Stainless Steel, 5 in x 5 in, 9 45/64 in Lg, EPDM, 750 psi, Bolted (MPN 0390065312). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 5 in x 5 in.
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Clamp, 5 in x 5 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved (MPN 390213662). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Bolted, 4 in x 4 in, Ductile Iron, NBR Seal, 450 psi, 9 3/8 in Overall Lg (MPN 0390007607). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 450 psi; Fitting Pipe Size: 4 in x 4 in.
GRUVLOK
GRUVLOK Clamp Coupling: Bolted, 4 in x 4 in, Ductile Iron, NBR Seal, 450 psi, 9 3/8 in Overall Lg (MPN 0390007607). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 450 psi; Fitting Pipe Size: 4 in x 4 in.
GRUVLOK Clamp Coupling: Flex Bolted, 8 in x 8 in, Ductile Iron, NBR Seal, 500 psi (MPN 0390000966). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK
GRUVLOK Clamp Coupling: Flex Bolted, 8 in x 8 in, Ductile Iron, NBR Seal, 500 psi (MPN 0390000966). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK Clamp Coupling: 6 in x 6 in, NBR Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390096022). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 6 in x 6 in, NBR Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390096022). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Clamp, 6 in x 4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390009520). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 6 in x 4 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 6 in x 4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390009520). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 6 in x 4 in.
GRUVLOK Clamp Coupling: 5 in x 5 in, EPDM Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390095347). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 5 in x 5 in, EPDM Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390095347). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.