We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
GRUVLOK Clamp Coupling: Flex Bolted, 3 in x 3 in, Ductile Iron, EPDM Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Flex Bolted, 3 in x 3 in, Ductile Iron, EPDM Seal

The GRUVLOK Flex Bolted Clamp Coupling is a 3 in x 3 in grooved pipe coupling made of ductile iron with an EPDM seal, rated for a maximum operating pressure of 1,000 psi (MPN 0390004539). 3G Electric interprets…

SKU 3G-OTH-468353

Brand
GRUVLOK
Item
Clamp Coupling: Flex Bolted, 3 in x 3 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
0390004539
Type
3 in x 3 in, Ductile Iron, EPDM Seal, 1,000 psi
Fitting Pipe Size
3 in x 3 in
Maximum Operating Pressure
1,000 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 Flex Bolted Clamp Coupling is a 3 in x 3 in grooved pipe coupling made of ductile iron with an EPDM seal, rated for a maximum operating pressure of 1,000 psi (MPN 0390004539). 3G Electric interprets demand for this OEM coupling across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.

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 Flex Bolted Clamp Coupling used for?

A GRUVLOK Flex Bolted Clamp Coupling joins grooved-end pipes in industrial fire protection, HVAC, and process piping systems. It accommodates minor angular deflection and thermal expansion while maintaining a leak-tight seal at pressures up to 1,000 psi.

What are the specifications of the GRUVLOK 0390004539 coupling?

The GRUVLOK 0390004539 is a 3 in x 3 in flex bolted clamp coupling made of ductile iron with an EPDM seal. It has a maximum operating pressure of 1,000 psi and is designed for grooved pipe connections in commercial and industrial applications.

Where to buy GRUVLOK couplings in worldwide?

3G Electric supplies GRUVLOK couplings worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source and deliver genuine OEM parts like the 0390004539 to any location, ensuring compliance with local import requirements.

How to install a GRUVLOK flex bolted coupling?

To install a GRUVLOK flex bolted coupling, ensure pipe ends are clean and grooved per manufacturer specifications. Place the gasket over the pipe ends, then position the coupling housing over the gasket. Tighten bolts evenly to the recommended torque to achieve 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from GRUVLOK

View all GRUVLOK parts →
GRUVLOK Clamp Coupling: Flex Hinged, 1 1/4 in x 1 1/4 in, Ductile Iron, NBR Seal, 300 psi (MPN 0390200038). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 1-1/4 in x 1-1/4 in.
GRUVLOK
GRUVLOK Clamp Coupling: Flex Hinged, 1 1/4 in x 1 1/4 in, Ductile Iron, NBR Seal, 300 psi (MPN 0390200038). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 1-1/4 in x 1-1/4 in.
GRUVLOK Clamp Coupling: Clamp, 4 in x 4 in, Ductile Iron, NBR Seal, 300 psi @ 150° F (MPN 0390013696). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 4 in x 4 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 4 in x 4 in, Ductile Iron, NBR Seal, 300 psi @ 150° F (MPN 0390013696). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 4 in x 4 in.
GRUVLOK Clamp Coupling: Clamp, 3 1/2 in x 3 1/2 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390000321). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 3-1/2 in x 3-1/2 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 3 1/2 in x 3 1/2 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390000321). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 3-1/2 in x 3-1/2 in.
GRUVLOK Clamp Coupling: Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390010106). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 6 in x 6 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390010106). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 6 in x 6 in.
GRUVLOK Clamp Coupling: Rigid Bolted, 5 in x 5 in, Ductile Iron, NBR Seal, 750 psi, 10 in Overall Lg (MPN 0390013704). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 5 in x 5 in.
GRUVLOK
GRUVLOK Clamp Coupling: Rigid Bolted, 5 in x 5 in, Ductile Iron, NBR Seal, 750 psi, 10 in Overall Lg (MPN 0390013704). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 5 in x 5 in.
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 2 in x 2 in, Ductile Iron, NBR Seal, 750 psi (MPN 390213454). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 2 in x 2 in.
GRUVLOK Clamp Coupling: Bolted, 2 in x 2 in, Ductile Iron, NBR Seal, 750 psi, 6 3/8 in Overall Lg (MPN 0390007557). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 2 in x 2 in.
GRUVLOK
GRUVLOK Clamp Coupling: Bolted, 2 in x 2 in, Ductile Iron, NBR Seal, 750 psi, 6 3/8 in Overall Lg (MPN 0390007557). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 2 in x 2 in.
GRUVLOK Clamp Coupling: Hinged Clamp, 3 in x 3 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390200061). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 3 in x 3 in.
GRUVLOK
GRUVLOK Clamp Coupling: Hinged Clamp, 3 in x 3 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390200061). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 3 in x 3 in.