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

ANVIL 3 in Threaded Class 150 Malleable Iron Locknut - Low-Pressure Threaded Pipe Fittings
ANVILLow-Pressure Threaded Pipe Fittings

ANVIL 3 in Threaded Class 150 Malleable Iron Locknut

The ANVIL Locknut is a 3-inch, threaded, Class 150 low-pressure threaded pipe fitting made of malleable iron (MPN 0318913803). It is designed for securing threaded pipe connections in industrial piping systems.

SKU 3G-OTH-654116

Brand
ANVIL
Item
3 in Threaded Class 150 Malleable Iron Locknut
Part Number
0318913803
Category
Low-Pressure Threaded 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

ANVIL
Manufacturer Part Number
0318913803
Type
Threaded, Class 150, Locknut, Malleable Iron

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

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

Product Description

The ANVIL Locknut is a 3-inch, threaded, Class 150 low-pressure threaded pipe fitting made of malleable iron (MPN 0318913803). It is designed for securing threaded pipe connections in industrial piping systems.

Frequently Asked Questions

What is an ANVIL Locknut used for?

An ANVIL Locknut secures threaded pipe connections in low-pressure industrial piping systems. It is commonly used in plumbing, HVAC, and process lines where a reliable, leak-resistant joint is needed. The malleable iron construction provides durability in demanding environments.

What are the specifications of the ANVIL Locknut 0318913803?

The ANVIL Locknut (MPN 0318913803) is a 3-inch, threaded, Class 150 fitting made of malleable iron. It is designed for low-pressure threaded pipe applications. 3G Electric supplies this genuine ANVIL component for industrial piping systems worldwide.

Where to buy an ANVIL Locknut in worldwide?

3G Electric supplies the ANVIL Locknut (MPN 0318913803) to customers worldwide. We handle full logistics, customs clearance, and delivery for industrial pipe fittings. Contact us to source this Class 150 malleable iron locknut for your piping system.

How to install an ANVIL Locknut?

To install an ANVIL Locknut, hand-thread it onto the pipe after the primary fitting is in place, then tighten with a pipe wrench until snug. Avoid over-torquing to prevent damage to the malleable iron. Use thread sealant on the male threads for a leak-free joint.

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

ANVIL Products

3G Electric supplies ANVIL low-pressure threaded 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 ANVIL

View all ANVIL parts
Threaded x threaded straight pipe fitting for low-pressure applications. Connects 1-1/4 in to 1/2 in pipe sizes. Rated Class 125 with maximum operating pressure of 175 psi at 150° F. Suitable for use in industrial plumbing, HVAC, and process piping systems
ANVIL
Threaded x threaded straight pipe fitting for low-pressure applications. Connects 1-1/4 in to 1/2 in pipe sizes. Rated Class 125 with maximum operating pressure of 175 psi at 150° F. Suitable for use in industrial plumbing, HVAC, and process piping systems
Threaded x Threaded straight reducer for low-pressure piping systems. Class 125, rated 175 psi @ 150° F. Connects 2 in to 1 1/4 in pipe. Used in industrial plumbing, HVAC, and process applications
ANVIL
Threaded x Threaded straight reducer for low-pressure piping systems. Class 125, rated 175 psi @ 150° F. Connects 2 in to 1 1/4 in pipe. Used in industrial plumbing, HVAC, and process applications
Threaded x Threaded x Threaded tee for branching or combining flow in low-pressure piping systems. Suitable for water, air, or steam lines in industrial, HVAC, and plumbing applications. Maximum operating pressure 175 psi at -20° to 150°F
ANVIL
Threaded x Threaded x Threaded tee for branching or combining flow in low-pressure piping systems. Suitable for water, air, or steam lines in industrial, HVAC, and plumbing applications. Maximum operating pressure 175 psi at -20° to 150°F
Threaded x Threaded x Threaded, Class 125, cast iron. Maximum operating pressure 175 psi @ -20° to 150°F. Used to connect three threaded pipes in low-pressure water or air lines
ANVIL
Threaded x Threaded x Threaded, Class 125, cast iron. Maximum operating pressure 175 psi @ -20° to 150°F. Used to connect three threaded pipes in low-pressure water or air lines
Threaded x Threaded 90° elbow for low-pressure piping systems. Rated Class 125 with maximum operating pressure 175 psi at 150° F. Used to change direction in water, air, or steam lines
ANVIL
Threaded x Threaded 90° elbow for low-pressure piping systems. Rated Class 125 with maximum operating pressure 175 psi at 150° F. Used to change direction in water, air, or steam lines
This threaded plug is used to seal open ends in low-pressure piping systems, such as water, air, or steam lines. It is commonly applied in industrial plumbing, HVAC, and process piping to cap unused ports or close pipe ends during maintenance or system modifications. Constructed from malleable iron with NPT threads, it is rated for a maximum operating pressure of 285 psi
ANVIL
This threaded plug is used to seal open ends in low-pressure piping systems, such as water, air, or steam lines. It is commonly applied in industrial plumbing, HVAC, and process piping to cap unused ports or close pipe ends during maintenance or system modifications. Constructed from malleable iron with NPT threads, it is rated for a maximum operating pressure of 285 psi
Threaded x Threaded x Threaded pipe tee with 1 1/4 in x 1 1/4 in x 1/2 in configuration. Class 125 cast iron construction rated for 175 psi at -20° to 150°F. Used to branch or combine flow in low-pressure water, air, or steam piping systems
ANVIL
Threaded x Threaded x Threaded pipe tee with 1 1/4 in x 1 1/4 in x 1/2 in configuration. Class 125 cast iron construction rated for 175 psi at -20° to 150°F. Used to branch or combine flow in low-pressure water, air, or steam piping systems
Low-pressure threaded pipe tee with reducing branch, cast iron construction, Class 125. Threaded x threaded x threaded connections for use in water, steam, or gas piping systems. Maximum operating pressure 175 psi at -20° to 150°F
ANVIL
Low-pressure threaded pipe tee with reducing branch, cast iron construction, Class 125. Threaded x threaded x threaded connections for use in water, steam, or gas piping systems. Maximum operating pressure 175 psi at -20° to 150°F