Value Brand
Value Brand 4" FNPT Galvanized Tee coupling
A galvanized malleable iron tee with 4-inch FNPT connections, rated to 300 psi water and 150 psi steam, meeting ASME B16.3 and B16.4 standards
- Galvanised malleable iron resists corrosion for long service life
- Female NPT threads allow direct connection to standard pipe
- Class 150 rating handles 300 psi water, oil or gas at 150 °F
- Meets ASME B 16.3, B 16.4, ASTM A-197, A47, FM, UL, NSF-61 and AB1953
- Prop 65 warning: contains chemicals known to cause cancer and reproductive harm
4" FNPT Galvanized Tee
This galvanized malleable iron tee connects three 4-inch FNPT pipes in water, oil or gas systems. It meets ASME B 16.3 and B 16.4 standards and carries FM, UL, NSF-61 and AB1953 listings for code-compliant installations. The Class 150 rating suits standard-pressure plumbing and mechanical piping.
Capacity and headroom
Rated for 300 psi at 150 °F water, oil or gas and 150 psi saturated steam, the fitting handles typical commercial and industrial service pressures. It is not intended for pressures above the Class 150 limit or for temperatures beyond the rated steam value. The galvanized coating resists corrosion in normal ambient conditions.
Replaces threaded tee fittings
Use this tee when upgrading from plain steel or lower-class fittings that lack NSF-61 or FM approval. The jump is worth it when local codes require listed components for potable water or fire-protection lines. It does not suit systems needing socket-weld, flanged or higher-pressure class connections.
Highlights
- Galvanised malleable iron resists corrosion for long service life
- Female NPT threads allow direct connection to standard pipe
- Class 150 rating handles 300 psi water, oil or gas at 150 °F
- Meets ASME B 16.3, B 16.4, ASTM A-197, A47, FM, UL, NSF-61 and AB1953
- Prop 65 warning: contains chemicals known to cause cancer and reproductive harm
Specifications
| Brand | ZORO SELECT |
|---|
Questions about this item
Will the 4 in FNPT threads on this galvanized tee mate cleanly with existing iron pipe?
The tee uses a 4 in FNPT connection type and meets ASME B 16.3 and B 16.4 thread standards, so it will thread onto matching male NPT pipe of the same nominal size.
How can I confirm the tee is rated for my 300 psi water system after installation?
The fitting is rated for a maximum pressure of 300 psi at 150 degrees F WOG and carries FM, UL, and NSF-61 approvals that can be verified by the markings cast on the body.
Does the box include any gaskets, sealant or extra fittings, or must I buy thread tape separately?
The tee is supplied as a single galvanized malleable iron fitting with FNPT threads on all three outlets; thread sealant or tape is not included and must be purchased separately.
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