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GRUVLOKGrooved Pipe Couplings

GRUVLOK Rigid Coupling: Clamp, 2 1/2 in x 2 1/2 in, EPDM Seal, 750 psi, Ductile Iron

The GRUVLOK Rigid Coupling is a 2 1/2 in x 2 1/2 in grooved pipe clamp with a bolted ductile iron body and EPDM seal, rated for a maximum operating pressure of 750 psi. 3G Electric interprets demand for this OEM part…

SKU 3G-OTH-460124

Brand
GRUVLOK
Item
Rigid Coupling: Clamp, 2 1/2 in x 2 1/2 in, EPDM Seal, 750 psi, Ductile Iron
Category
Grooved Pipe Couplings
Available to Order
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Technical Specifications

GRUVLOK
Manufacturer Part Number
390213808
Type
2 1/2 in x 2 1/2 in, EPDM Seal, 750 psi, Ductile Iron, Bolted
Maximum Operating Pressure
750 psi
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Technical Documents

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

Product Description

The GRUVLOK Rigid Coupling is a 2 1/2 in x 2 1/2 in grooved pipe clamp with a bolted ductile iron body and EPDM seal, rated for a maximum operating pressure of 750 psi. 3G Electric interprets demand for this OEM part (MPN 390213808) across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.

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

Is the GRUVLOK Rigid Coupling: Clamp, 2 1/2 in x 2 1/2 in, EPDM Seal, 750 psi, Ductile Iron available from 3G Electric?

Yes — 3G Electric supplies genuine GRUVLOK products, available to order with worldwide shipping. Contact us for current lead time.

How do I get a quote for the GRUVLOK Rigid Coupling: Clamp, 2 1/2 in x 2 1/2 in, EPDM Seal, 750 psi, Ductile Iron?

Click "Request a Quote" on this page or add the product to your RFQ cart. Our engineers will respond within 24 hours with pricing, lead times, and technical recommendations.

Does 3G Electric provide technical support for grooved pipe couplings?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all grooved pipe couplings we distribute.

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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Clamp Coupling: 316 Stainless Steel, 8 in x 8 in, 13 35/64 in Lg, EPDM, 750 psi, Bolted (MPN 0390065316). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 8 in x 8 in.
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Clamp Coupling: 316 Stainless Steel, 8 in x 8 in, 13 35/64 in Lg, EPDM, 750 psi, Bolted (MPN 0390065316). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK Clamp Coupling: 8 in x 8 in, NBR Seal, 600 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390102028). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
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GRUVLOK Clamp Coupling: 8 in x 8 in, NBR Seal, 600 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390102028). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Flex Hinged, 2 1/2 in x 2 1/2 in, Ductile Iron, EPDM Seal, 300 psi (MPN 0390200046). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
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GRUVLOK Clamp Coupling: Flex Hinged, 2 1/2 in x 2 1/2 in, Ductile Iron, EPDM Seal, 300 psi (MPN 0390200046). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 2-1/2 in x 2-1/2 in.
Clamp Coupling: 316 Stainless Steel, 2 in x 2 in, 5 7/64 in Lg, EPDM, 750 psi, Bolted (MPN 0390065304). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 2 in x 2 in.
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Clamp Coupling: 316 Stainless Steel, 2 in x 2 in, 5 7/64 in Lg, EPDM, 750 psi, Bolted (MPN 0390065304). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Movement Tolerance: Rigid; Fitting Pipe Size: 2 in x 2 in.
GRUVLOK Clamp Coupling: Bolted, 4 in x 2 1/2 in, Ductile Iron, NBR Seal, 500 psi (MPN 0390008894). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 4 in x 2-1/2 in.
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GRUVLOK Clamp Coupling: Bolted, 4 in x 2 1/2 in, Ductile Iron, NBR Seal, 500 psi (MPN 0390008894). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 500 psi; Fitting Pipe Size: 4 in x 2-1/2 in.
GRUVLOK Clamp Coupling: Clamp, 5 in x 5 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390010080). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 5 in x 5 in.
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GRUVLOK Clamp Coupling: Clamp, 5 in x 5 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390010080). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 5 in x 5 in.
GRUVLOK Clamp Coupling: 1 1/4 in x 1 1/4 in, NBR Seal, 1,000 psi, Ductile Iron, Bolted, 4 1/2 in Lg (MPN 0390095842). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.
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GRUVLOK Clamp Coupling: 1 1/4 in x 1 1/4 in, NBR Seal, 1,000 psi, Ductile Iron, Bolted, 4 1/2 in Lg (MPN 0390095842). Key specifications — Maximum Operating Pressure: 1,000 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Flex Hinged, 1 1/2 in x 1 1/2 in, Ductile Iron, NBR Seal, 300 psi (MPN 0390200467). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 1-1/2 in x 1-1/2 in.
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GRUVLOK Clamp Coupling: Flex Hinged, 1 1/2 in x 1 1/2 in, Ductile Iron, NBR Seal, 300 psi (MPN 0390200467). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi; Fitting Pipe Size: 1-1/2 in x 1-1/2 in.