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: 316 Stainless Steel, 3 in x 3 in, 6 1/2 in Lg, EPDM, 500 psi - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 316 Stainless Steel, 3 in x 3 in, 6 1/2 in Lg, EPDM, 500 psi

The GRUVLOK 408EW7 is a 316 Stainless Steel Clamp Coupling, a grooved pipe coupling with a 3 in x 3 in fitting pipe size and 6 1/2 in length. It features a bolted type with EPDM gasket, rated for a maximum operating…

SKU 3G-OTH-484555

Brand
GRUVLOK
Item
Clamp Coupling: 316 Stainless Steel, 3 in x 3 in, 6 1/2 in Lg, EPDM, 500 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
0390065210
Type
3 in x 3 in, EPDM, 500 psi, Bolted
Lg
6 1/2 in
Standards
American National Standards
Fitting Pipe Size
3 in x 3 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 408EW7 is a 316 Stainless Steel Clamp Coupling, a grooved pipe coupling with a 3 in x 3 in fitting pipe size and 6 1/2 in length. It features a bolted type with EPDM gasket, rated for a maximum operating pressure of 500 psi, and offers flexible movement tolerance. This coupling meets American National Standards (MPN 0390065210).

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 the GRUVLOK 408EW7 clamp coupling used for?

The GRUVLOK 408EW7 is a 316 stainless steel grooved pipe coupling used to join pipes in industrial piping systems. It provides a flexible, bolted connection rated for 500 psi, suitable for applications requiring corrosion resistance and movement tolerance in water, chemical, or HVAC lines.

What are the specifications of the GRUVLOK 408EW7 coupling?

The GRUVLOK 408EW7 is a 3 in x 3 in clamp coupling made of 316 stainless steel, 6 1/2 in long, with an EPDM gasket. It has a bolted design, flexible movement tolerance, and a maximum operating pressure of 500 psi, meeting American National Standards (MPN 0390065210).

Where to buy the GRUVLOK 408EW7 coupling worldwide?

3G Electric supplies the GRUVLOK 408EW7 coupling worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source this 316 stainless steel grooved pipe coupling for your piping system needs.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK grooved pipe coupling, ensure pipe ends are clean and grooved per manufacturer specs. Lubricate the EPDM gasket, place it over the pipe ends, then position the coupling housing over the gasket. Tighten the bolts evenly to the recommended torque for a leak-free, flexible 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: 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.