Fire Protection

Durable, flexible, and easy to install and maintain, our fire protection products are the most trusted in the industry.

Fire Protection Solutions

It goes without saying that fire suppression systems should be robustly provisioned to avoid potential disaster.

Anvil's unmatched range of UL/ULC listed and FM approved fire piping connection system products provide dependable performance for a wide range of applications. Using a combination of roll-grooving and two-bolt coupling design, our innovative product line joins piping and other components into a rugged, yet flexible system. Our Gruvlok and SPF products guarantee quality and conform to all applicable codes.

Seismic Bracing Solutions 

Anvil offers seismic bracing solutions for the fire protection industry that deliver unrivaled quality versatility. Our seismic fire protection design tool simplifies product selection and let’s you easily calculate whether or not a seismic fire protection system meets its seismic load requirements.

Pipe Hangers

The Anvil® brand of pipe hangers brings 150 years of experience to our fire-rated product line.


Gruvlok valves are compact, cost effective and designed for use in grooved-end pipe fire protection systems and related equipment. They are UL/ULC listed. Gruvlok couplings and fittings are designed to provide quick, secure and reliable solutions for joining pipe-to-pipe.


SPF/ANVIL Grooved Couplings Fittings provide a rigid or flexible pipe connection for fire protection systems with dependable seals over a range of internal pressure situations. SPF/ANVIL also offers Short Pattern Products through 8" to meet all of your fire protection needs.

Cast Iron and Malleable Iron Threaded Fittings

 Anvil offers the most complete line of Cast Iron and Malleable Iron Threaded Fittings in the industry. Our versatile range of fittings provides highly dependable, fire-rated service.

Steel Pipe Nipples and Steel Pipe Couplings

Anvil offers a huge variety of Steel Pipe Nipples and Steel Pipe Couplings for the fire protection industry.


Mueller® Valves are available in a variety of styles for fire protection applications including Resilient Wedge Gate Valves, O.S.&Y. Resilient Wedge Stem Gate Valves, and Swing-Type Check Valves. Mueller® Valves are ideal for flanged fire pump applications and other system control valve needs.