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GRUVLOK Clamp Coupling: Rigid Bolted, 1 in x 1 in, Ductile Iron, NBR Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Rigid Bolted, 1 in x 1 in, Ductile Iron, NBR Seal

The GRUVLOK Clamp Coupling is a rigid bolted grooved pipe coupling, available in a 1 in x 1 in size, constructed from ductile iron with an NBR seal, and rated for a maximum operating pressure of 300 psi. 3G Electric…

SKU 3G-OTH-468156

Brand
GRUVLOK
Item
Clamp Coupling: Rigid Bolted, 1 in x 1 in, Ductile Iron, NBR Seal
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390212652
Type
1 in x 1 in, Ductile Iron, NBR Seal, 300 psi
Fitting Pipe Size
1 in x 1 in
Maximum Operating Pressure
300 psi
View Full Spec Sheet

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

Product Description

The GRUVLOK Clamp Coupling is a rigid bolted grooved pipe coupling, available in a 1 in x 1 in size, constructed from ductile iron with an NBR seal, and rated for a maximum operating pressure of 300 psi. 3G Electric interprets this demand, sources the genuine GRUVLOK part (MPN 0390212652), and provides a quoted price with technical support across 14 industrial departments — with specialist depth in combustion, pumps and controls.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a GRUVLOK rigid bolted clamp coupling used for?

A GRUVLOK rigid bolted clamp coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a leak-tight, mechanically rigid connection rated for 300 psi, suitable for water, oil, and certain chemical services.

What are the specifications of the GRUVLOK 0390212652 coupling?

The GRUVLOK 0390212652 is a 1 in x 1 in rigid bolted grooved pipe coupling made of ductile iron with an NBR seal. It has a maximum operating pressure of 300 psi and is designed for 1-inch grooved pipe.

Where to buy GRUVLOK couplings in worldwide?

3G Electric supplies genuine GRUVLOK couplings worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quoted price on MPN 0390212652 and technical support across 14 industrial departments.

How to install a GRUVLOK rigid coupling?

To install a GRUVLOK rigid coupling, ensure pipe ends are clean and grooved per manufacturer specs. Lubricate the NBR gasket, place it over one pipe end, then slide the coupling housing over both ends. Tighten bolts evenly to the recommended torque for a rigid joint.

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.

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GRUVLOK Clamp Coupling: Flex Bolted, 8 in x 8 in, Ductile Iron, NBR Seal, 500 psi (MPN 0390000966). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK Clamp Coupling: 6 in x 6 in, NBR Seal, 1,000 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390096022). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.
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