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

3G Electric
RFQ CartGet a QuoteSign inSign up
GRUVLOK Clamp Coupling: 4 in x 2 1/2 in, EPDM Seal, 500 psi, Ductile Iron, Bolted - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 4 in x 2 1/2 in, EPDM Seal, 500 psi, Ductile Iron, Bolted

The GRUVLOK Clamp Coupling (MPN 0390111730) is a 4 in x 2 1/2 in grooved pipe coupling with a bolted, ductile iron design and EPDM seal, rated for a maximum operating pressure of 500 psi and measuring 8 7/8 in in…

SKU 3G-OTH-460093

Brand
GRUVLOK
Item
Clamp Coupling: 4 in x 2 1/2 in, EPDM Seal, 500 psi, Ductile Iron, Bolted
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
0390111730
Type
EPDM Seal, 500 psi, Ductile Iron, Bolted
Lg
8 7/8 in
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 0390111730) is a 4 in x 2 1/2 in grooved pipe coupling with a bolted, ductile iron design and EPDM seal, rated for a maximum operating pressure of 500 psi and measuring 8 7/8 in in length. 3G Electric interprets this demand and delivers this genuine GRUVLOK coupling across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the GRUVLOK Clamp Coupling used for?

The GRUVLOK Clamp Coupling connects grooved-end pipes in industrial fire protection, HVAC, and process piping systems. Its bolted ductile iron design with EPDM seal handles pressures up to 500 psi, making it suitable for water, oil, and chemical services where reliable joint integrity is required.

What are the specifications of the GRUVLOK Clamp Coupling 0390111730?

This GRUVLOK coupling has a 4 in x 2 1/2 in size, bolted ductile iron construction, EPDM seal, and maximum operating pressure of 500 psi. Overall length is 8 7/8 in. It is designed for grooved pipe systems and is supplied by 3G Electric across 14 industrial departments.

Where to buy GRUVLOK Clamp Coupling 0390111730 worldwide?

3G Electric supplies the genuine GRUVLOK Clamp Coupling 0390111730 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time — we provide the right answer, not just a catalog.

How to install a GRUVLOK bolted coupling?

Ensure pipe ends are clean and grooved per GRUVLOK specifications. Place the gasket over the pipe ends, then position the coupling housing over the gasket. Insert bolts and tighten evenly to the torque recommended by the manufacturer. Always follow the OEM installation guide for pressure ratings and bolt torque values.

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: 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.
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 6 in x 6 in, Ductile Iron, EPDM Seal, 700 psi (MPN 390213416). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 700 psi; Fitting Pipe Size: 6 in x 6 in.
GRUVLOK Clamp Coupling: 3 in x 3 in, NBR Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390095925). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 3 in x 3 in, NBR Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390095925). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Clamp, 10 in x 10 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390013589). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 10 in x 10 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 10 in x 10 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390013589). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 10 in x 10 in.
GRUVLOK Metal Pipe Straight: Straight, 5 in x 5 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390007425). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 5 in x 5 in.
GRUVLOK
GRUVLOK Metal Pipe Straight: Straight, 5 in x 5 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390007425). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 5 in x 5 in.
GRUVLOK Clamp Coupling: 6 in x 4 in, EPDM Seal, 500 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390111821). Key specifications — Maximum Operating Pressure: 500 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 6 in x 4 in, EPDM Seal, 500 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390111821). Key specifications — Maximum Operating Pressure: 500 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Rigid Bolted Clamp, 10 in x 10 in, Ductile Iron, EPDM Seal, 300 psi (MPN 0390060168). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 10 in x 10 in.
GRUVLOK
GRUVLOK Clamp Coupling: Rigid Bolted Clamp, 10 in x 10 in, Ductile Iron, EPDM Seal, 300 psi (MPN 0390060168). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 10 in x 10 in.