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

3G Electric
GRUVLOK 8 in x 8 in Rigid Grooved Pipe Coupling, 750 psi, EPDM, Bolted - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK 8 in x 8 in Rigid Grooved Pipe Coupling, 750 psi, EPDM, Bolted

<p>The GRUVLOK 8 in x 8 in Rigid Grooved Pipe Coupling (MPN 0390065316) is a high-pressure bolted coupling designed for rigid connections in grooved piping systems. Rated for a maximum operating pressure of 750 psi…

SKU 3G-OTH-484562

Brand
GRUVLOK
Item
8 in x 8 in Rigid Grooved Pipe Coupling, 750 psi, EPDM, Bolted
Part Number
0390065316
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
0390065316
Type
8 in x 8 in, EPDM, 750 psi, Bolted
Lg
13 35/64 in
Fitting Pipe Size
8 in x 8 in
Movement Tolerance
Rigid
Maximum Operating Pressure
750 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

<p>The GRUVLOK 8 in x 8 in Rigid Grooved Pipe Coupling (MPN 0390065316) is a high-pressure bolted coupling designed for rigid connections in grooved piping systems. Rated for a maximum operating pressure of 750 psi, this coupling features an EPDM gasket suitable for a wide range of applications. Its rigid design provides secure, leak-tight joints, making it ideal for industrial, commercial, and infrastructure projects.</p><p>Procurement buyers in Singapore can request SGD quotes and enjoy GST handling for local orders. With fast delivery across Singapore and Southeast Asia, 3G Electric ensures your project timelines are met. Contact us for pricing and availability.</p>

Frequently Asked Questions

What is the maximum operating pressure of this GRUVLOK coupling?

The maximum operating pressure is 750 psi.

What is the pipe size and gasket material?

It fits 8-inch x 8-inch pipes and comes with an EPDM gasket.

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.
Not sure this is the right part? Photo-identify it

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
GRUVLOK
Rigid coupling for joining grooved-end pipe in industrial piping systems. Ductile iron body with NBR seal, rated for 750 psi maximum operating pressure. Grooved x grooved connection for mechanical joining in applications such as HVAC, fire protection, and process piping
GRUVLOK
GRUVLOK
This rigid bolted-clamp grooved pipe coupling is made of ductile iron with an NBR seal. It is rated for a maximum operating pressure of 600 psi and is used to join grooved-end pipe in fire protection, HVAC, and industrial piping systems
GRUVLOK
GRUVLOK
This rigid bolted clamp 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 locked connection rated up to 750 psi for high-pressure water, oil, and gas applications
GRUVLOK
GRUVLOK
This rigid grooved pipe coupling is designed for joining grooved-end pipes in industrial piping systems. It features a ductile iron body with an EPDM seal, rated for a maximum operating pressure of 750 psi. The grooved x grooved connection provides a secure, leak-resistant joint suitable for high-pressure applications
GRUVLOK
GRUVLOK
This rigid bolted clamp grooved pipe coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. Constructed of ductile iron with an EPDM seal, it provides a leak-tight, mechanically locked connection that resists axial movement for high-pressure applications up to 750 psi
GRUVLOK
GRUVLOK
Rigid bolted-clamp grooved pipe coupling for joining grooved-end pipe. Constructed of ductile iron with an EPDM seal. Rated for maximum operating pressure of 750 psi. Used in fire-protection, HVAC, and industrial piping systems where a leak-tight, mechanically locked connection is required
GRUVLOK
GRUVLOK
Rigid bolted-clamp grooved pipe coupling for joining grooved-end pipe. Constructed of ductile iron with an EPDM seal. Rated for maximum operating pressure of 700 psi. Used in fire protection, HVAC, and industrial piping systems where a leak-tight, mechanically locked connection is required
This grooved pipe coupling joins 2-1/2 in x 2-1/2 in pipe in rigid piping systems. Constructed with 316 stainless steel and an EPDM gasket, it features a bolted design and a maximum operating pressure of 750 psi. Overall length is 5 11/16 in. Suitable for industrial water, chemical, and fire protection applications requiring corrosion resistance and high-pressure integrity
GRUVLOK
This grooved pipe coupling joins 2-1/2 in x 2-1/2 in pipe in rigid piping systems. Constructed with 316 stainless steel and an EPDM gasket, it features a bolted design and a maximum operating pressure of 750 psi. Overall length is 5 11/16 in. Suitable for industrial water, chemical, and fire protection applications requiring corrosion resistance and high-pressure integrity

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first