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

GRUVLOK Clamp Coupling: Clamp, 1 in x 1 in, Ductile Iron, EPDM Seal

The GRUVLOK Clamp Coupling is a grooved pipe coupling with a 1 in x 1 in fitting pipe size, constructed from ductile iron with an EPDM seal. It is rated for a maximum operating pressure of 300 psi at 150° F (MPN…

SKU 3G-OTH-468345

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

GRUVLOK
Manufacturer Part Number
0390211001
Type
1 in x 1 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F
Fitting Pipe Size
1 in x 1 in
Maximum Operating Pressure
300 psi @ 150° F
View Full Spec Sheet

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

Product Description

The GRUVLOK Clamp Coupling is a grooved pipe coupling with a 1 in x 1 in fitting pipe size, constructed from ductile iron with an EPDM seal. It is rated for a maximum operating pressure of 300 psi at 150° F (MPN 0390211001).

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 clamp coupling used for?

A GRUVLOK clamp coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It provides a flexible, leak-tight connection rated for 300 psi at 150° F, using a ductile-iron housing and EPDM seal.

What are the specifications of the GRUVLOK 0390211001 coupling?

The GRUVLOK 0390211001 is a 1 in x 1 in grooved clamp coupling made of ductile iron with an EPDM seal. It has a maximum operating pressure of 300 psi at 150° F. The fitting pipe size is 1 in x 1 in.

Where to buy GRUVLOK couplings worldwide?

3G Electric supplies GRUVLOK couplings worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 0390211001 model.

How to install a GRUVLOK grooved pipe coupling?

To install a GRUVLOK coupling, ensure pipe ends are clean and grooved per manufacturer specs. Lubricate the EPDM gasket, place it over both pipe ends, then position the ductile-iron clamp over the gasket and tighten bolts evenly to the recommended torque.

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: Clamp, 1 1/4 in x 1 1/4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390002962). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 1-1/4 in x 1-1/4 in.
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GRUVLOK Clamp Coupling: Clamp, 1 1/4 in x 1 1/4 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390002962). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 1-1/4 in x 1-1/4 in.
GRUVLOK Clamp Coupling: 2 in x 2 in, NBR Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390209500). Key specifications — Maximum Operating Pressure: 300 psi; Brand: GRUVLOK.
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GRUVLOK Clamp Coupling: 2 in x 2 in, NBR Seal, 300 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390209500). Key specifications — Maximum Operating Pressure: 300 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Bolted, 4 in x 2 in, Ductile Iron, NBR Seal, 500 psi, 8 7/8 in Overall Lg (MPN 0390008886). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 4 in x 2 in.
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GRUVLOK Clamp Coupling: Bolted, 4 in x 2 in, Ductile Iron, NBR Seal, 500 psi, 8 7/8 in Overall Lg (MPN 0390008886). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 4 in x 2 in.
GRUVLOK Clamp Coupling: Bolted, 6 in x 5 in, Ductile Iron, EPDM Seal, 500 psi, 11 5/8 in Overall Lg (MPN 0390009546). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 6 in x 5 in.
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GRUVLOK Clamp Coupling: Bolted, 6 in x 5 in, Ductile Iron, EPDM Seal, 500 psi, 11 5/8 in Overall Lg (MPN 0390009546). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 6 in x 5 in.
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GRUVLOK Rigid Coupling: Clamp, 4 in x 4 in, NBR Seal, 750 psi, Ductile Iron, Grooved x Grooved (MPN 390213860). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: 1 1/2 in x 1 1/2 in, EPDM Seal, 600 psi, Ductile Iron, Bolted, 4 5/8 in Lg (MPN 0390092443). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
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GRUVLOK Clamp Coupling: 1 1/2 in x 1 1/2 in, EPDM Seal, 600 psi, Ductile Iron, Bolted, 4 5/8 in Lg (MPN 0390092443). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
GRUVLOK Metal Pipe Straight: Straight, 2 1/2 in x 2 1/2 in, Ductile Iron, EPDM Seal, 300 psi @ 250°F (MPN 0390003028). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 250°F; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
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GRUVLOK Metal Pipe Straight: Straight, 2 1/2 in x 2 1/2 in, Ductile Iron, EPDM Seal, 300 psi @ 250°F (MPN 0390003028). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 250°F; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
GRUVLOK Clamp Coupling: Rigid Bolted Clamp, 3 in x 3 in, Ductile Iron, EPDM Seal, 300 psi (MPN 0390060119). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 3 in x 3 in.
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GRUVLOK Clamp Coupling: Rigid Bolted Clamp, 3 in x 3 in, Ductile Iron, EPDM Seal, 300 psi (MPN 0390060119). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 3 in x 3 in.