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

GRUVLOK Solid Cap, 3 in, Ductile Iron, 1,000 psi - Grooved Pipe Fittings
GRUVLOKGrooved Pipe Fittings

GRUVLOK Solid Cap, 3 in, Ductile Iron, 1,000 psi

The GRUVLOK Solid Cap is a 3-inch grooved pipe fitting made of ductile iron, rated for a maximum operating pressure of 1,000 psi (MPN 0390030187). This component is designed to seal the end of a grooved piping…

SKU 3G-OTH-460901

Brand
GRUVLOK
Item
Solid Cap, 3 in, Ductile Iron, 1,000 psi
Category
Grooved Pipe Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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
0390030187
Type
3 in, Ductile Iron, 1,000 psi
Maximum Operating Pressure
1,000 psi

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 Solid Cap is a 3-inch grooved pipe fitting made of ductile iron, rated for a maximum operating pressure of 1,000 psi (MPN 0390030187). This component is designed to seal the end of a grooved piping system, supporting industrial applications that require a reliable closure.

Frequently Asked Questions

What is a GRUVLOK solid cap used for?

A GRUVLOK solid cap seals the end of a grooved piping system, providing a reliable closure in industrial applications such as water, oil, and gas lines. It is a 3-inch ductile iron fitting rated for 1,000 psi, ensuring secure termination under pressure.

What are the specifications of the GRUVLOK solid cap 0390030187?

The GRUVLOK solid cap (MPN 0390030187) is a 3-inch grooved pipe fitting made of ductile iron, with a maximum operating pressure of 1,000 psi. It is designed for use in grooved piping systems requiring a durable end seal.

Where to buy a GRUVLOK solid cap worldwide?

3G Electric supplies the GRUVLOK solid cap (MPN 0390030187) worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver this ductile iron fitting to support your piping system needs.

How to install a GRUVLOK solid cap on a grooved pipe?

To install a GRUVLOK solid cap, align the cap's groove with the pipe's groove, then secure it using a compatible grooved coupling and gasket. Tighten bolts evenly to the manufacturer's torque specification to ensure a leak-free seal at up to 1,000 psi.

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.
Not sure this is the right part? Photo-identify it

GRUVLOK Products

3G Electric supplies GRUVLOK grooved pipe fittings. 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
This grooved pipe cap is made of ductile iron and measures 1 inch with an overall length of 1-1/4 inches. It is used to seal the end of a grooved piping system, providing a secure closure for water, oil, or gas applications in industrial settings
GRUVLOK
This grooved pipe cap is made of ductile iron and measures 1 inch with an overall length of 1-1/4 inches. It is used to seal the end of a grooved piping system, providing a secure closure for water, oil, or gas applications in industrial settings
Grooved pipe fitting for connecting pipes of different diameters in mechanical piping systems. Made of ductile iron, rated to 300 psi at 150°F. Eccentric design maintains a flat bottom to prevent air pockets in horizontal lines. Suitable for use in HVAC, fire protection, and industrial process piping
GRUVLOK
Grooved pipe fitting for connecting pipes of different diameters in mechanical piping systems. Made of ductile iron, rated to 300 psi at 150°F. Eccentric design maintains a flat bottom to prevent air pockets in horizontal lines. Suitable for use in HVAC, fire protection, and industrial process piping
This 45° grooved pipe elbow is made of ductile iron and sized 4 in x 4 in. It is rated for a maximum operating pressure of 300 psi at 150° F. Commonly used in industrial piping systems to change flow direction, it is suitable for applications such as fire protection, HVAC, and process piping
GRUVLOK
This 45° grooved pipe elbow is made of ductile iron and sized 4 in x 4 in. It is rated for a maximum operating pressure of 300 psi at 150° F. Commonly used in industrial piping systems to change flow direction, it is suitable for applications such as fire protection, HVAC, and process piping
This GRUVLOK grooved pipe fitting is a 90° long radius elbow made of ductile iron, sized 8 in x 8 in. It is rated for a maximum operating pressure of 300 psi at 150° F. Used in grooved piping systems to change flow direction with reduced pressure drop, it is suitable for applications such as fire protection, HVAC, and industrial process lines
GRUVLOK
This GRUVLOK grooved pipe fitting is a 90° long radius elbow made of ductile iron, sized 8 in x 8 in. It is rated for a maximum operating pressure of 300 psi at 150° F. Used in grooved piping systems to change flow direction with reduced pressure drop, it is suitable for applications such as fire protection, HVAC, and industrial process lines
This grooved pipe fitting is an eccentric reducer used to connect pipes of different diameters while maintaining a consistent pipe bottom or top level. It is suited for applications where flow direction and drainage are important, such as in HVAC, fire protection, and industrial process piping. The fitting has a 6-inch by 2-1/2-inch pipe size and an overall length of 11-1/2 inches
GRUVLOK
This grooved pipe fitting is an eccentric reducer used to connect pipes of different diameters while maintaining a consistent pipe bottom or top level. It is suited for applications where flow direction and drainage are important, such as in HVAC, fire protection, and industrial process piping. The fitting has a 6-inch by 2-1/2-inch pipe size and an overall length of 11-1/2 inches
This GRUVLOK grooved pipe fitting is a concentric reducer elbow with a 12 in x 4 in fitting pipe size and a 7 in overall length. It connects two pipes of different diameters in a grooved piping system, allowing a smooth transition from 12 in to 4 in. Typical applications include industrial water, HVAC, and fire-protection systems where a compact fitting is needed
GRUVLOK
This GRUVLOK grooved pipe fitting is a concentric reducer elbow with a 12 in x 4 in fitting pipe size and a 7 in overall length. It connects two pipes of different diameters in a grooved piping system, allowing a smooth transition from 12 in to 4 in. Typical applications include industrial water, HVAC, and fire-protection systems where a compact fitting is needed
This grooved pipe tee is used to branch flow in three directions in mechanical piping systems. Constructed of ductile iron with an EPDM seal, it has a maximum operating pressure of 300 psi at 150°F. Suitable for water and certain chemical services in fire protection, HVAC, and industrial applications
GRUVLOK
This grooved pipe tee is used to branch flow in three directions in mechanical piping systems. Constructed of ductile iron with an EPDM seal, it has a maximum operating pressure of 300 psi at 150°F. Suitable for water and certain chemical services in fire protection, HVAC, and industrial applications
This grooved pipe fitting creates a 45-degree branch connection from a main line. It features grooved x grooved connections for use with standard grooved-end pipe sections. The carbon steel body with EPDM seal is suited for fire protection, HVAC, and industrial piping systems requiring efficient flow distribution
GRUVLOK
This grooved pipe fitting creates a 45-degree branch connection from a main line. It features grooved x grooved connections for use with standard grooved-end pipe sections. The carbon steel body with EPDM seal is suited for fire protection, HVAC, and industrial piping systems requiring efficient flow distribution