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3G Electric
GRUVLOK Grooved Pipe Coupling - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Grooved Pipe Coupling

The GRUVLOK Clamp Coupling (MPN 0390111730) is a 4 in x 2 1/2 in grooved pipe coupling with a bolted, ductile iron design and EPDM seal, rated for a maximum operating pressure of 500 psi and measuring 8 7/8 in in length.

SKU 3G-OTH-460093

Brand
GRUVLOK
Item
Grooved Pipe Coupling
Part Number
0390111730
Category
Grooved Pipe Couplings
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390111730
Type
EPDM Seal, 500 psi, Ductile Iron, Bolted
Lg
8 7/8 in
Maximum Operating Pressure
500 psi

Technical Documents

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

Product Description

The GRUVLOK Clamp Coupling (MPN 0390111730) is a 4 in x 2 1/2 in grooved pipe coupling with a bolted, ductile iron design and EPDM seal, rated for a maximum operating pressure of 500 psi and measuring 8 7/8 in in length.

Frequently Asked Questions

What is the GRUVLOK Clamp Coupling used for?

The GRUVLOK Clamp Coupling connects grooved-end pipes in industrial fire protection, HVAC, and process piping systems. Its bolted ductile iron design with EPDM seal handles pressures up to 500 psi, making it suitable for water, oil, and chemical services where reliable joint integrity is required.

What are the specifications of the GRUVLOK Clamp Coupling 0390111730?

This GRUVLOK coupling has a 4 in x 2 1/2 in size, bolted ductile iron construction, EPDM seal, and maximum operating pressure of 500 psi. Overall length is 8 7/8 in. It is designed for grooved pipe systems and is supplied by 3G Electric across 14 industrial departments.

Where to buy GRUVLOK Clamp Coupling 0390111730 worldwide?

3G Electric supplies the genuine GRUVLOK Clamp Coupling 0390111730 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time — we provide the right answer, not just a catalog.

How to install a GRUVLOK bolted coupling?

Ensure pipe ends are clean and grooved per GRUVLOK specifications. Place the gasket over the pipe ends, then position the coupling housing over the gasket. Insert bolts and tighten evenly to the torque recommended by the manufacturer. Always follow the OEM installation guide for pressure ratings and bolt torque values.

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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