Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
GRUVLOK Clamp Coupling: Flex Bolted, 1 in x 1 in, Ductile Iron, NBR Seal - Grooved Pipe Couplings
GRUVLOKGrooved Pipe Couplings

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

The GRUVLOK Clamp Coupling: Flex Bolted is a grooved pipe coupling in a 1 in x 1 in ductile iron configuration with an NBR seal, rated for a maximum operating pressure of 1,000 psi (MPN 0390003580). 3G Electric…

SKU 3G-OTH-468298

Brand
GRUVLOK
Item
Clamp Coupling: Flex Bolted, 1 in x 1 in, Ductile Iron, NBR Seal
Category
Grooved Pipe Couplings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390003580
Type
1 in x 1 in, Ductile Iron, NBR Seal, 1,000 psi
Fitting Pipe Size
1 in x 1 in
Maximum Operating Pressure
1,000 psi
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The GRUVLOK Clamp Coupling: Flex Bolted is a grooved pipe coupling in a 1 in x 1 in ductile iron configuration with an NBR seal, rated for a maximum operating pressure of 1,000 psi (MPN 0390003580). 3G Electric interprets this demand and delivers the genuine GRUVLOK coupling across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is a GRUVLOK flex bolted clamp coupling used for?

A GRUVLOK flex bolted clamp coupling joins grooved-end pipe in fire protection, HVAC, and industrial piping systems. It allows limited angular deflection to accommodate thermal expansion and minor misalignment. 3G Electric supplies this genuine GRUVLOK coupling worldwide.

What are the specifications of the GRUVLOK 0390003580 coupling?

The GRUVLOK 0390003580 is a 1 in x 1 in flex bolted clamp coupling made of ductile iron with an NBR seal. It has a maximum operating pressure of 1,000 psi. 3G Electric sources this genuine GRUVLOK part for global delivery.

Where to buy a GRUVLOK 1 in flex coupling worldwide?

3G Electric supplies the genuine GRUVLOK 1 in flex bolted clamp coupling (MPN 0390003580) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a GRUVLOK flex bolted coupling?

Install a GRUVLOK flex bolted coupling by ensuring pipe ends are clean and grooved per manufacturer specs. Lubricate the NBR gasket, place it over the pipe ends, and position the coupling housing. Tighten bolts evenly to the recommended torque. 3G Electric provides genuine GRUVLOK parts for reliable installation.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from GRUVLOK

View all GRUVLOK parts →
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Clamp, 5 in x 5 in, EPDM Seal, 750 psi, Ductile Iron, Grooved x Grooved (MPN 390213614). Key specifications — Maximum Operating Pressure: 750 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Clamp, 1 1/2 in x 1 1/2 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390211043). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 1-1/2 in x 1-1/2 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 1 1/2 in x 1 1/2 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390211043). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 1-1/2 in x 1-1/2 in.
GRUVLOK Clamp Coupling: 1 in x 1 in, EPDM Seal, 600 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390092401). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
GRUVLOK
GRUVLOK Clamp Coupling: 1 in x 1 in, EPDM Seal, 600 psi, Ductile Iron, Grooved x Grooved x Grooved (MPN 0390092401). Key specifications — Maximum Operating Pressure: 600 psi; Brand: GRUVLOK.
GRUVLOK Clamp Coupling: Clamp, 8 in x 8 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390010122). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 8 in x 8 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390010122). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK
GRUVLOK
GRUVLOK Rigid Coupling: Rigid Bolted Clamp, 2 in x 2 in, Ductile Iron, EPDM Seal, 750 psi (MPN 390213206). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 750 psi; Fitting Pipe Size: 2 in x 2 in.
GRUVLOK Metal Pipe Straight: Straight, 8 in x 8 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390007441). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK
GRUVLOK Metal Pipe Straight: Straight, 8 in x 8 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390007441). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 8 in x 8 in.
GRUVLOK Clamp Coupling: Clamp, 3 in x 3 in, Ductile Iron, NBR Seal, 300 psi @ 150° F (MPN 0390000842). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 3 in x 3 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 3 in x 3 in, Ductile Iron, NBR Seal, 300 psi @ 150° F (MPN 0390000842). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 3 in x 3 in.
GRUVLOK Clamp Coupling: Clamp, 12 in x 12 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390013597). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 12 in x 12 in.
GRUVLOK
GRUVLOK Clamp Coupling: Clamp, 12 in x 12 in, Ductile Iron, EPDM Seal, 300 psi @ 150° F (MPN 0390013597). Key specifications — Brand: GRUVLOK; Maximum Operating Pressure: 300 psi @ 150° F; Fitting Pipe Size: 12 in x 12 in.