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, 2 1/2 in x 2 1/2 in, 5 43/64 in Lg - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 316 Stainless Steel, 2 1/2 in x 2 1/2 in, 5 43/64 in Lg

The GRUVLOK 316 Stainless Steel Clamp Coupling (MPN 0390065208) is a bolted, flexible grooved pipe coupling for 2-1/2 in x 2-1/2 in pipe, rated to 500 psi with an EPDM gasket. It meets American National Standards and…

SKU 3G-OTH-484569

Brand
GRUVLOK
Item
Clamp Coupling: 316 Stainless Steel, 2 1/2 in x 2 1/2 in, 5 43/64 in Lg
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
0390065208
Type
2 1/2 in x 2 1/2 in, EPDM, 500 psi, Bolted
Lg
5 43/64 in
Standards
American National Standards
Fitting Pipe Size
2-1/2 in x 2-1/2 in
Movement Tolerance
Flexible
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 316 Stainless Steel Clamp Coupling (MPN 0390065208) is a bolted, flexible grooved pipe coupling for 2-1/2 in x 2-1/2 in pipe, rated to 500 psi with an EPDM gasket. It meets American National Standards and measures 5 43/64 in in length.

Frequently Asked Questions

What is the GRUVLOK 316 Stainless Steel Clamp Coupling used for?

This GRUVLOK bolted clamp coupling joins 2-1/2 in grooved pipe in industrial piping systems requiring a flexible, leak-resistant connection. It is rated to 500 psi and suited for applications in water, wastewater, and process lines where 316 stainless steel and EPDM gasket compatibility is needed.

What are the specifications of the GRUVLOK 0390065208 clamp coupling?

The GRUVLOK 0390065208 is a 316 stainless steel bolted coupling for 2-1/2 in x 2-1/2 in pipe, with a maximum operating pressure of 500 psi. It includes an EPDM gasket, measures 5 43/64 in in length, and meets American National Standards. Movement tolerance is flexible.

Where to buy GRUVLOK 316 stainless steel clamp couplings worldwide?

3G Electric supplies and delivers the GRUVLOK 316 stainless steel clamp coupling (MPN 0390065208) to worldwide locations. We handle full logistics and customs clearance as a global industrial sourcing partner, ensuring you receive the correct grooved pipe coupling for your application.

How to install a GRUVLOK bolted clamp coupling?

To install a GRUVLOK bolted clamp coupling, ensure pipe ends are clean and grooved per manufacturer specifications. Lubricate the EPDM gasket, place it 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 rated to 500 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: 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.
GRUVLOK Clamp Coupling: Flex Bolted, 1 1/4 in x 1 1/4 in, Ductile Iron, EPDM Seal, 1,000 psi (MPN 0390004471). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 1,000 psi; Fitting Pipe Size: 1-1/4 in x 1-1/4 in.
GRUVLOK
GRUVLOK Clamp Coupling: Flex Bolted, 1 1/4 in x 1 1/4 in, Ductile Iron, EPDM Seal, 1,000 psi (MPN 0390004471). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 1,000 psi; Fitting Pipe Size: 1-1/4 in x 1-1/4 in.