Value Collection G220 20 Malleable Iron Pipe Coupling 3/4 in

Product Description

The VALUE COLLECTION G220 20 is a 3/4 inch malleable iron pipe coupling designed for threaded pipe connections in plumbing, HVAC, and industrial piping systems. This Class 150 fitting carries a pressure rating of 300 psi for liquid and gas service and 150 psi for steam service, making it suited for a wide range of fluid and gas distribution applications. The galvanized finish provides corrosion resistance in exposed or moderately harsh environments. Licensed plumbers, pipefitters, and mechanical contractors reach for this coupling when joining two lengths of threaded pipe in-line without changing direction or size.

This coupling is used in residential and light commercial piping installations where standard 3/4 inch threaded connections are required. Common applications include natural gas distribution lines, compressed air systems, hydronic heating supply and return lines, and general water service piping. The malleable iron construction and galvanized finish make it appropriate for above-ground interior installations as well as applications where moderate corrosion resistance is needed. It conforms to ISO 7/1 threading standards, ensuring compatibility with standard NPT and ISO-threaded pipe and fittings in the same size.

Key Features

• 300 psi pressure rating for liquid and gas service
• 150 psi pressure rating for steam service
• Malleable iron construction for durability in threaded piping systems
• Galvanized finish for corrosion resistance
• Threaded end connections conforming to ISO 7/1 standards
• Class 150 fitting designation

Compatibility

Designed as an OEM-style replacement and standard-service fitting for 3/4 inch threaded malleable iron piping systems conforming to ISO 7/1 threading standards.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter following applicable local mechanical and plumbing codes. Shut off and depressurize the piping system completely before removing or installing any threaded fittings. Apply an appropriate thread sealant or PTFE tape to male threads before assembly, and tighten to hand-tight plus wrench-tight using a pipe wrench — do not overtighten malleable iron fittings as this can crack the casting. For gas service installations, verify connections with an approved leak detection method before returning the system to service.