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GRUVLOK 8 in x 8 in Ductile Iron Grooved Pipe Coupling with EPDM Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK 8 in x 8 in Ductile Iron Grooved Pipe Coupling with EPDM Seal

The GRUVLOK Metal Pipe Straight is a grooved pipe coupling in an 8 in x 8 in ductile iron configuration with an EPDM seal, rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390007441). 3G Electric…

SKU 3G-OTH-468254

Brand
GRUVLOK
Item
8 in x 8 in Ductile Iron Grooved Pipe Coupling with EPDM Seal
Part Number
0390007441
Category
Grooved Pipe Couplings
Available to Order
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Technical specs
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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

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390007441
Type
8 in x 8 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F
Material
Painted Ductile Iron
Class
Class 150 Class This is a labeling system based on the internal pressure a pipe can withstand. This dimensionless number designates the pressure-temperature rating.
Color
Orange
UNSPSC
40142315
Standards
ANSI B1.20.1; ASME B16.11; ASTM A105; ASTM A182; ASTM A350
Catalog Page
2661
Fitting Shape
Straight
Includes Seal
Yes
Seal Material
EPDM
Connector Type
Coupling
Fitting Side A
8 in Grooved
Fitting Side B
8 in Grooved
For Media Type
Air; Gases; Non-Potable Water; Oils
Country of Origin
USA (subject to change)
Fitting Pipe Size
8 in x 8 in
Product Description
Grooved pipe couplings clamp around the ends of grooved pipes to create a secure connection.
Maximum Operating Pressure
300 psi @ 150° F
Includes Pre-Applied Thread Sealant
No

Technical Documents

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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Metal Pipe Straight is a grooved pipe coupling in an 8 in x 8 in ductile iron configuration with an EPDM seal, rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390007441). 3G Electric interprets this demand and delivers the genuine OEM part, backed by specialist expertise in combustion, pumps and controls across 14 industrial departments.

Frequently Asked Questions

What is the GRUVLOK Metal Pipe Straight used for?

The GRUVLOK Metal Pipe Straight is a grooved pipe coupling used to join two 8-inch pipes in industrial fire protection, HVAC, and process piping systems. It provides a reliable, leak-resistant connection rated for 300 psi at 150° F, with an EPDM seal suitable for water and certain chemical services.

What are the specifications of the GRUVLOK 0390007441?

The GRUVLOK 0390007441 is an 8 in x 8 in ductile iron straight coupling with an EPDM seal. It has a maximum operating pressure of 300 psi at 150° F. The fitting pipe size is 8 in x 8 in, and the manufacturer part number is 0390007441.

Where to buy the GRUVLOK 8-inch pipe coupling worldwide?

3G Electric supplies the genuine GRUVLOK 0390007441 8-inch pipe coupling 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 OEM part.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK grooved pipe coupling, ensure pipe ends are clean and properly grooved per manufacturer specifications. Lubricate the EPDM gasket, place it over one pipe end, then slide the coupling housing over the gasket. Tighten bolts evenly to the recommended torque to achieve a leak-free seal at 300 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.
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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.

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