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, 8 in x 8 in, 13 35/64 in Lg, EPDM - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: 316 Stainless Steel, 8 in x 8 in, 13 35/64 in Lg, EPDM

The GRUVLOK 408EW3 is a 316 Stainless Steel Clamp Coupling, a grooved pipe coupling with a flexible movement tolerance. It is a bolted, 8 in x 8 in fitting with EPDM gasket, rated for a maximum operating pressure of…

SKU 3G-OTH-484561

Brand
GRUVLOK
Item
Clamp Coupling: 316 Stainless Steel, 8 in x 8 in, 13 35/64 in Lg, EPDM
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
0390065218
Type
8 in x 8 in, EPDM, 450 psi, Bolted
Lg
13 35/64 in
Standards
American National Standards
Fitting Pipe Size
8 in x 8 in
Movement Tolerance
Flexible
Maximum Operating Pressure
450 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 408EW3 is a 316 Stainless Steel Clamp Coupling, a grooved pipe coupling with a flexible movement tolerance. It is a bolted, 8 in x 8 in fitting with EPDM gasket, rated for a maximum operating pressure of 450 psi and a length of 13 35/64 in, meeting American National Standards.

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 408EW3 clamp coupling used for?

The GRUVLOK 408EW3 is a 316 stainless steel grooved pipe coupling used in industrial piping systems that require a flexible, bolted connection. It joins 8-inch pipes in applications such as fire protection, water supply, and process lines, handling pressures up to 450 psi.

What are the specifications of the GRUVLOK 408EW3?

The GRUVLOK 408EW3 is an 8 in x 8 in, 316 stainless steel clamp coupling with a flexible movement tolerance. It has a maximum operating pressure of 450 psi, an EPDM gasket, a length of 13 35/64 in, and meets American National Standards. The manufacturer part number is 0390065218.

Where to buy the GRUVLOK 408EW3 worldwide?

3G Electric supplies the GRUVLOK 408EW3 clamp coupling to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this 316 stainless steel grooved pipe coupling.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK grooved pipe coupling, ensure pipe ends are clean and grooved per manufacturer specifications. Lubricate the EPDM gasket, place it over the pipe end, and slide the coupling housing over the gasket. Tighten the bolts evenly to the recommended torque for a leak-free seal.

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, 1 1/4 in x 1 1/4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390002962). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 1-1/4 in x 1-1/4 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 1 1/4 in x 1 1/4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390002962). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 1-1/4 in x 1-1/4 in.
GRUVLOK Clamp Coupling: 2 in x 2 in, NBR Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390209500). Key specifications — Maximum Operating Pressure: 300 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 2 in x 2 in, NBR Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390209500). Key specifications — Maximum Operating Pressure: 300 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Bolted, 4 in x 2 in, Ductile Iron, NBR Seal, 500 psi, 8 7/8 in Overall Lg (MPN 0390008886). 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, NBR Seal, 500 psi, 8 7/8 in Overall Lg (MPN 0390008886). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 4 in x 2 in.
GRUVLOK Clamp Coupling: Bolted, 6 in x 5 in, Ductile Iron, EPDM Seal, 500 psi, 11 5/8 in Overall Lg (MPN 0390009546). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 6 in x 5 in.
GRUVLOK
GRUVLOK Clamp Coupling: Bolted, 6 in x 5 in, Ductile Iron, EPDM Seal, 500 psi, 11 5/8 in Overall Lg (MPN 0390009546). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 6 in x 5 in.
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.