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GRUVLOK Flex Hinged Clamp Coupling, 2-1/2 in, Ductile Iron, NBR Seal, 300 psi - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

GRUVLOK Flex Hinged Clamp Coupling, 2-1/2 in, Ductile Iron, NBR Seal, 300 psi

The GRUVLOK Clamp Coupling: Flex Hinged is a grooved pipe coupling in a 2-1/2 in x 2-1/2 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 300 psi (MPN 0390200509)…

SKU 3G-OTH-468192

Brand
GRUVLOK
Item
Flex Hinged Clamp Coupling, 2-1/2 in, Ductile Iron, NBR Seal, 300 psi
Category
Grooved Pipe Couplings
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390200509
Type
2 1/2 in x 2 1/2 in, Ductile Iron, NBR Seal, 300 psi
Fitting Pipe Size
2-1/2 in x 2-1/2 in
Maximum Operating Pressure
300 psi

Technical Documents

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

Product Description

The GRUVLOK Clamp Coupling: Flex Hinged is a grooved pipe coupling in a 2-1/2 in x 2-1/2 in size, constructed from ductile iron with an NBR seal and rated for a maximum operating pressure of 300 psi (MPN 0390200509). 3G Electric interprets this demand and sources the genuine GRUVLOK product, backed by our specialist expertise across 14 industrial departments — including combustion, pumps, and controls — to ensure you get the right solution.

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 the GRUVLOK Flex Hinged Clamp Coupling used for?

The GRUVLOK Flex Hinged Clamp Coupling is used in grooved piping systems for fire protection, HVAC, and industrial process lines. It provides a flexible, hinged connection that allows for pipe alignment and vibration dampening while maintaining a leak-tight seal up to 300 psi.

What are the specifications of the GRUVLOK 0390200509 coupling?

The GRUVLOK 0390200509 is a 2-1/2 in x 2-1/2 in flex hinged clamp coupling made of ductile iron with an NBR seal. It has a maximum operating pressure of 300 psi and is designed for grooved-end pipe connections in industrial applications.

Where to buy GRUVLOK 0390200509 worldwide?

3G Electric supplies the genuine GRUVLOK 0390200509 flex hinged clamp coupling worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this ductile iron coupling rated for 300 psi.

How to install a GRUVLOK flex hinged clamp coupling?

To install a GRUVLOK flex hinged clamp coupling, ensure pipe ends are clean and grooved per manufacturer specs. Open the hinged clamp, position it over the joint, and tighten the bolts evenly to the recommended torque. Always verify gasket alignment and pressure rating before system startup.

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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