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: 5 in x 4 in, EPDM Seal, 500 psi, Ductile Iron - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 5 in x 4 in, EPDM Seal, 500 psi, Ductile Iron

The GRUVLOK Clamp Coupling (MPN 0390111789) is a grooved pipe coupling with a 5 in x 4 in configuration, featuring an EPDM seal, ductile iron construction, and grooved x grooved x grooved connections. It is rated for…

SKU 3G-OTH-460072

Brand
GRUVLOK
Item
Clamp Coupling: 5 in x 4 in, EPDM Seal, 500 psi, Ductile Iron
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
0390111789
Type
EPDM Seal, 500 psi, Ductile Iron, Grooved x Grooved x Grooved
Maximum Operating Pressure
500 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 (MPN 0390111789) is a grooved pipe coupling with a 5 in x 4 in configuration, featuring an EPDM seal, ductile iron construction, and grooved x grooved x grooved connections. It is rated for a maximum operating pressure of 500 psi.

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 connects grooved-end pipes in fire protection, HVAC, and industrial piping systems. This 5 in x 4 in model with EPDM seal handles water, air, and selected chemicals up to 500 psi, providing a flexible, leak-resistant joint.

What are the specifications of the GRUVLOK 0390111789 coupling?

This GRUVLOK coupling (MPN 0390111789) is a 5 in x 4 in grooved x grooved x grooved clamp coupling. It features a ductile iron body, EPDM seal, and a maximum operating pressure of 500 psi. It is designed for grooved pipe systems in commercial and industrial applications.

Where to buy GRUVLOK couplings worldwide?

3G Electric supplies GRUVLOK couplings like the 0390111789 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 5 in x 4 in EPDM-seal clamp coupling rated at 500 psi.

How to install a GRUVLOK grooved coupling?

To install a GRUVLOK grooved coupling, ensure pipe ends are clean and properly grooved per manufacturer specs. Lubricate the EPDM gasket, place it over both pipe ends, then position the ductile iron housing over the gasket. Tighten bolts evenly to the recommended torque for a secure 500 psi rated 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
GRUVLOK
GRUVLOK Rigid Coupling: Clamp, 4 in x 4 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved (MPN 390213860). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: 1 1/2 in x 1 1/2 in, EPDM Seal, 600 psi, Ductile Iron, Bolted, 4 5/8 in Lg (MPN 0390092443). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 1 1/2 in x 1 1/2 in, EPDM Seal, 600 psi, Ductile Iron, Bolted, 4 5/8 in Lg (MPN 0390092443). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
GRUVLOK Metal Pipe Straight: Straight, 2 1/2 in x 2 1/2 in, Ductile Iron, EPDM Seal, 300 psi @ 250°F (MPN 0390003028). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 250°F; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
GRUVLOK
GRUVLOK Metal Pipe Straight: Straight, 2 1/2 in x 2 1/2 in, Ductile Iron, EPDM Seal, 300 psi @ 250°F (MPN 0390003028). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 250°F; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
GRUVLOK Clamp Coupling: Rigid Bolted Clamp, 3 in x 3 in, Ductile Iron, EPDM Seal, 300 psi (MPN 0390060119). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 3 in x 3 in.
GRUVLOK
GRUVLOK Clamp Coupling: Rigid Bolted Clamp, 3 in x 3 in, Ductile Iron, EPDM Seal, 300 psi (MPN 0390060119). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 3 in x 3 in.
GRUVLOK Clamp Coupling: 12 in x 12 in, EPDM Seal, 400 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390101897). Key specifications — Maximum Operating Pressure: 400 psi; Brand: GRUVLOK; Fitting Pipe Size: 12 in x 12 in.
GRUVLOK
GRUVLOK Clamp Coupling: 12 in x 12 in, EPDM Seal, 400 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390101897). Key specifications — Maximum Operating Pressure: 400 psi; Brand: GRUVLOK; Fitting Pipe Size: 12 in x 12 in.
Clamp Coupling: 316 Stainless Steel, 10 in x 10 in, 16 25/64 in Lg, EPDM, 750 psi, Bolted (MPN 0390065318). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 10 in x 10 in.
GRUVLOK
Clamp Coupling: 316 Stainless Steel, 10 in x 10 in, 16 25/64 in Lg, EPDM, 750 psi, Bolted (MPN 0390065318). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 10 in x 10 in.
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Clamp, 4 in x 4 in, EPDM Seal, 750 psi, Ductile Iron, Grooved x Grooved (MPN 390213812). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 8 in x 8 in, Ductile Iron, EPDM Seal, 600 psi (MPN 390213218). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 600 psi; Fitting Pipe Size: 8 in x 8 in.