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

GRUVLOK Grooved Pipe Coupling, 8 in, EPDM Seal, 300 psi, Ductile Iron - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Grooved Pipe Coupling, 8 in, EPDM Seal, 300 psi, Ductile Iron

The GRUVLOK Clamp Coupling (8 in x 8 in, MPN 0390211662) is a grooved pipe coupling with an EPDM seal, ductile iron construction, and grooved x grooved x grooved connections, rated for a maximum operating pressure of…

SKU 3G-OTH-460081

Brand
GRUVLOK
Item
Grooved Pipe Coupling, 8 in, EPDM Seal, 300 psi, Ductile Iron
Category
Grooved Pipe Couplings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390211662
Type
EPDM Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved
Maximum Operating Pressure
300 psi

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 (8 in x 8 in, MPN 0390211662) is a grooved pipe coupling with an EPDM seal, ductile iron construction, and grooved x grooved x grooved connections, rated for a maximum operating pressure of 300 psi. 3G Electric interprets this demand, sourcing and quoting this genuine industrial component across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the GRUVLOK 8 in clamp coupling used for?

The GRUVLOK 8 in clamp coupling (MPN 0390211662) joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. Its ductile iron body and EPDM seal handle water and dilute chemicals up to 300 psi. 3G Electric sources and supplies this genuine component globally.

What are the specifications of the GRUVLOK 0390211662 coupling?

This GRUVLOK coupling is 8 in x 8 in with grooved x grooved x grooved connections, ductile iron construction, and an EPDM seal. Maximum operating pressure is 300 psi. The manufacturer part number is 0390211662. 3G Electric provides this genuine industrial component worldwide.

Where to buy GRUVLOK 8 in grooved coupling worldwide?

3G Electric supplies the GRUVLOK 8 in clamp coupling (MPN 0390211662) to global customers. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on this genuine grooved pipe coupling with EPDM seal and 300 psi rating.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK 8 in coupling, ensure pipe ends are clean and grooved per manufacturer specs. Lubricate the EPDM gasket, place it over the pipe ends, then position the ductile iron housing and tighten bolts evenly to the recommended torque. 3G Electric can advise on sourcing genuine components.

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
This grooved pipe coupling is designed for joining grooved-end pipes in industrial piping systems. It features a bolted ductile iron body with an EPDM seal, rated for a maximum operating pressure of 300 psi. The coupling measures 6 inches in length and is suitable for water, oil, or chemical services
GRUVLOK
This grooved pipe coupling is designed for joining grooved-end pipes in industrial piping systems. It features a bolted ductile iron body with an EPDM seal, rated for a maximum operating pressure of 300 psi. The coupling measures 6 inches in length and is suitable for water, oil, or chemical services
This bolted grooved pipe coupling joins grooved-end pipes in commercial and industrial piping systems. Constructed of ductile iron with an NBR seal, it is rated for a maximum operating pressure of 1,000 psi. Overall length is 6-1/2 in
GRUVLOK
This bolted grooved pipe coupling joins grooved-end pipes in commercial and industrial piping systems. Constructed of ductile iron with an NBR seal, it is rated for a maximum operating pressure of 1,000 psi. Overall length is 6-1/2 in
GRUVLOK
GRUVLOK
This rigid bolted-clamp grooved pipe coupling is constructed of ductile iron with an EPDM seal. Rated for a maximum operating pressure of 750 psi, it is used to join grooved-end pipe in fire protection, HVAC, and industrial piping systems for high-pressure water, air, and other non-corrosive services
This grooved pipe coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It features a ductile iron body with an NBR seal, rated for a maximum operating pressure of 750 psi. The coupling provides a rigid or flexible connection for water and light oil applications
GRUVLOK
This grooved pipe coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It features a ductile iron body with an NBR seal, rated for a maximum operating pressure of 750 psi. The coupling provides a rigid or flexible connection for water and light oil applications
Grooved pipe coupling with ductile iron body and EPDM seal, rated for maximum operating pressure of 1,000 psi. Features grooved x grooved x grooved connections for joining grooved-end pipe in mechanical piping systems. Suitable for water, air, and moderate chemical service in commercial and industrial applications
GRUVLOK
Grooved pipe coupling with ductile iron body and EPDM seal, rated for maximum operating pressure of 1,000 psi. Features grooved x grooved x grooved connections for joining grooved-end pipe in mechanical piping systems. Suitable for water, air, and moderate chemical service in commercial and industrial applications
This grooved pipe coupling is used to join grooved-end pipes in mechanical piping systems. Constructed of ductile iron with an NBR seal, it provides a flexible, leak-tight connection rated for 300 psi at 150°F. Suitable for applications such as fire protection, HVAC, and industrial piping
GRUVLOK
This grooved pipe coupling is used to join grooved-end pipes in mechanical piping systems. Constructed of ductile iron with an NBR seal, it provides a flexible, leak-tight connection rated for 300 psi at 150°F. Suitable for applications such as fire protection, HVAC, and industrial piping
This rigid bolted grooved pipe coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. Constructed of ductile iron with an NBR seal, it provides a leak-tight, mechanically rigid connection rated to 300 psi for water, oil, and other non-corrosive fluids
GRUVLOK
This rigid bolted grooved pipe coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. Constructed of ductile iron with an NBR seal, it provides a leak-tight, mechanically rigid connection rated to 300 psi for water, oil, and other non-corrosive fluids
GRUVLOK
GRUVLOK
This rigid bolted clamp grooved pipe coupling is constructed of ductile iron with an NBR seal. It is sized 2-1/2 in x 2-1/2 in and rated for a maximum operating pressure of 750 psi. Used to join grooved-end pipe in fire protection, HVAC, and industrial piping systems for water, air, and light slurry applications