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: 316 Stainless Steel, 4 in x 4 in, 7 13/16 in Lg, EPDM, 750 psi - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 316 Stainless Steel, 4 in x 4 in, 7 13/16 in Lg, EPDM, 750 psi

The GRUVLOK 316 Stainless Steel Clamp Coupling is a rigid, bolted grooved pipe coupling for 4 in x 4 in pipe connections. It features an EPDM gasket, measures 7 13/16 inches in length, and has a maximum operating…

SKU 3G-OTH-484565

Brand
GRUVLOK
Item
Clamp Coupling: 316 Stainless Steel, 4 in x 4 in, 7 13/16 in Lg, EPDM, 750 psi
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
0390065310
Type
4 in x 4 in, EPDM, 750 psi, Bolted
Lg
7 13/16 in
Fitting Pipe Size
4 in x 4 in
Movement Tolerance
Rigid
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 316 Stainless Steel Clamp Coupling is a rigid, bolted grooved pipe coupling for 4 in x 4 in pipe connections. It features an EPDM gasket, measures 7 13/16 inches in length, and has a maximum operating pressure of 750 psi (MPN 0390065310).

Frequently Asked Questions

What is a GRUVLOK 316 stainless steel clamp coupling used for?

This rigid, bolted grooved pipe coupling connects 4 in x 4 in pipe in industrial fire protection, HVAC, and process piping systems. Its 316 stainless steel construction and EPDM gasket suit water, oil, and chemical services up to 750 psi.

What are the specifications of the GRUVLOK 0390065310 coupling?

The GRUVLOK 0390065310 is a 316 stainless steel rigid clamp coupling for 4 in x 4 in pipe. It has a maximum operating pressure of 750 psi, measures 7 13/16 inches in length, and uses a bolted design with an EPDM gasket.

Where to buy GRUVLOK grooved pipe couplings worldwide?

3G Electric supplies GRUVLOK grooved pipe couplings worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 0390065310 coupling.

How to install a GRUVLOK rigid clamp coupling?

Installation requires clean, properly grooved pipe ends. Lubricate the EPDM gasket, place it over both pipe ends, then position the coupling housing over the gasket. Tighten bolts evenly to the torque specified by GRUVLOK for a leak-free joint at 750 psi.

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: Bolted, 4 in x 2 in, Ductile Iron, EPDM Seal, 500 psi, 8 7/8 in Overall Lg (MPN 0390009421). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 4 in x 2 in.
GRUVLOK
GRUVLOK Clamp Coupling: Bolted, 4 in x 2 in, Ductile Iron, EPDM Seal, 500 psi, 8 7/8 in Overall Lg (MPN 0390009421). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 4 in x 2 in.
Clamp Coupling: 316 Stainless Steel, 2 1/2 in x 2 1/2 in, 5 11/16 in Lg, EPDM, 750 psi, Bolted (MPN 0390065306). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
GRUVLOK
Clamp Coupling: 316 Stainless Steel, 2 1/2 in x 2 1/2 in, 5 11/16 in Lg, EPDM, 750 psi, Bolted (MPN 0390065306). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
GRUVLOK Clamp Coupling: 3 in x 2 1/2 in, EPDM Seal, 500 psi, Ductile Iron, Bolted, 7 1/8 in Lg (MPN 0390111680). Key specifications — Maximum Operating Pressure: 500 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 3 in x 2 1/2 in, EPDM Seal, 500 psi, Ductile Iron, Bolted, 7 1/8 in Lg (MPN 0390111680). Key specifications — Maximum Operating Pressure: 500 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: 2 in x 2 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390101962). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 2 in x 2 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390101962). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: 8 in x 8 in, EPDM Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390211662). Key specifications — Maximum Operating Pressure: 300 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 8 in x 8 in, EPDM Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390211662). Key specifications — Maximum Operating Pressure: 300 psi; Brand: 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
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.