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GRUVLOK Clamp Coupling: Flex Bolted, 1 1/4 in x 1 1/4 in, Ductile Iron, NBR Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Clamp Coupling: Flex Bolted, 1 1/4 in x 1 1/4 in, Ductile Iron, NBR Seal

The GRUVLOK Clamp Coupling: Flex Bolted is a grooved pipe coupling in a 1-1/4 in x 1-1/4 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 600 psi (MPN 0390000768)…

SKU 3G-OTH-468164

Brand
GRUVLOK
Item
Clamp Coupling: Flex Bolted, 1 1/4 in x 1 1/4 in, Ductile Iron, NBR Seal
Category
Grooved Pipe Couplings
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Technical Specifications

GRUVLOK
Manufacturer Part Number
0390000768
Type
1 1/4 in x 1 1/4 in, Ductile Iron, NBR Seal, 600 psi
Fitting Pipe Size
1-1/4 in x 1-1/4 in
Maximum Operating Pressure
600 psi
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GRUVLOK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GRUVLOK Clamp Coupling: Flex Bolted is a grooved pipe coupling in a 1-1/4 in x 1-1/4 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 600 psi (MPN 0390000768). 3G Electric sources this OEM coupling as part of our broader industrial supply capability across 14 departments, with specialist depth in combustion, pumps and controls to support your piping system needs.

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 flex bolted clamp coupling used for?

A GRUVLOK flex bolted clamp coupling joins grooved-end pipes in fire protection, HVAC, and industrial piping systems. It allows limited angular movement to accommodate thermal expansion and minor misalignment. 3G Electric supplies this OEM coupling as part of our broader industrial capability across 14 departments.

What are the specifications of the GRUVLOK 0390000768 coupling?

The GRUVLOK 0390000768 is a 1-1/4 in x 1-1/4 in flex bolted clamp coupling made of ductile iron with an NBR seal. It is rated for a maximum operating pressure of 600 psi. 3G Electric sources this OEM coupling for piping system applications worldwide.

Where to buy a GRUVLOK 1-1/4 in clamp coupling worldwide?

3G Electric supplies the GRUVLOK 1-1/4 in flex bolted clamp coupling (MPN 0390000768) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this OEM grooved pipe coupling.

How to install a GRUVLOK flex bolted coupling?

To install a GRUVLOK flex bolted coupling, ensure pipe ends are clean and grooved per manufacturer specifications. Place the gasket over the pipe ends, then position the coupling housing over the gasket. Tighten bolts evenly to the recommended torque. 3G Electric can provide sourcing support for this OEM coupling.

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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