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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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Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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 grooved couplings and fittings for joining sprinkler pipe, such as the 6-inch coupling (SKU 46KK70) rated for 300 psi.
HVAC piping — GRUVLOK flexible couplings (e.g., SKU 408JM0) to accommodate thermal movement in chilled water and heating systems.
Process piping — GRUVLOK concentric reducer elbow (SKU 408GX7) for changing pipe direction and size in chemical and industrial processes.
Industrial piping — GRUVLOK high-pressure couplings (e.g., SKU 408HF6) rated to 1,000 psi for demanding applications.
Mechanical piping systems — GRUVLOK rigid couplings (e.g., SKU 60XP12) for joining large-diameter pipe in water distribution.
Plumbing systems — GRUVLOK NSF 61 approved couplings for potable water applications, ensuring compliance with health standards.
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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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