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GRUVLOK 12 in Grooved Pipe Flange, NBR Seal, 300 psi, Ductile Iron, 21 3/4 in Lg - Grooved Pipe Flanges
GRUVLOKGrooved Pipe Flanges

GRUVLOK 12 in Grooved Pipe Flange, NBR Seal, 300 psi, Ductile Iron, 21 3/4 in Lg

The GRUVLOK Metal Pipe Flange is a 12-inch grooved pipe flange with an NBR seal, rated for 300 psi maximum operating pressure and constructed from ductile iron. Measuring 21 3/4 inches in length, this flange is…

SKU 3G-OTH-468610

Brand
GRUVLOK
Item
12 in Grooved Pipe Flange, NBR Seal, 300 psi, Ductile Iron, 21 3/4 in Lg
Part Number
0390210805
Category
Grooved Pipe Flanges
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

GRUVLOK
Manufacturer Part Number
0390210805
Type
12 in, NBR Seal, 300 psi, Ductile Iron, Grooved
Lg
21 3/4 in
Maximum Operating Pressure
300 psi

Technical Documents

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

Product Description

The GRUVLOK Metal Pipe Flange is a 12-inch grooved pipe flange with an NBR seal, rated for 300 psi maximum operating pressure and constructed from ductile iron. Measuring 21 3/4 inches in length, this flange is designed for grooved piping systems requiring a reliable, high-pressure connection.

Frequently Asked Questions

What is a GRUVLOK grooved pipe flange used for?

A GRUVLOK grooved pipe flange connects 12-inch grooved piping in high-pressure systems up to 300 psi. It is used in industrial applications like fire protection, HVAC, and process piping where a reliable, leak-resistant joint is needed. The ductile iron construction and NBR seal provide durability in demanding environments.

What are the specifications of the GRUVLOK 0390210805 flange?

The GRUVLOK 0390210805 is a 12-inch grooved pipe flange with a maximum operating pressure of 300 psi. It features an NBR seal, ductile iron construction, and measures 21 3/4 inches in length. This flange is designed for grooved piping systems requiring a robust, high-pressure connection.

Where to buy GRUVLOK flanges worldwide?

3G Electric supplies GRUVLOK flanges worldwide, handling full logistics and customs clearance for international delivery. As a global industrial solutions provider, we source genuine GRUVLOK components like the 0390210805 flange to meet your project requirements. Contact us for pricing and lead time on your order.

How to install a GRUVLOK grooved pipe flange?

To install a GRUVLOK grooved pipe flange, ensure pipe ends are clean and properly grooved per manufacturer specifications. Lubricate the NBR gasket and position it over the pipe end. Slide the flange over the gasket, align bolt holes, and tighten bolts evenly to the recommended torque. Always follow GRUVLOK's installation guidelines for a secure joint.

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.
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GRUVLOK Products

3G Electric supplies GRUVLOK grooved pipe flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This grooved pipe flange is made of ductile iron and rated for a maximum operating pressure of 300 psi. It has an overall length of 3 1/2 inches and is designed for use with grooved-end pipe and fittings in industrial piping systems such as water supply, fire protection, and HVAC
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This grooved pipe flange is made of ductile iron with an NBR seal and is rated for a maximum operating pressure of 300 psi. It has a 2-inch grooved connection and an overall length of 8 3/8 inches. Used to connect grooved-end pipes in piping systems for water, oil, and non-corrosive fluids

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