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Galvanized malleable iron tee fitting with three FNPT ports

Value Brand

Value Brand 1-1/4" FNPT Galvanized Tee 5P847

SKU CH-1JMZ-2NSM9

Galvanized malleable iron tee with 1-1/4" FNPT connections rated 300 psi WOG and listed to ASME, ASTM, FM, NSF-61, AB1953 and UL standards

  • Galvanised malleable iron resists corrosion in water lines
  • Class 150 rating handles 300 psi at 150 °F
  • FNPT threads seal without welding or solder
  • Meets ASME B16.3, B16.4, ASTM A197, A47
  • FM, UL, NSF-61 and AB1953 listed for potable use

Galvanized Malleable Iron Tee

This 1-1/4 inch FNPT galvanized tee connects three pipe sections in water, gas or steam systems. It is built to ASME B 16.3 and B 16.4 standards from ASTM A-197 and ASTM A47 malleable iron. The fitting carries FM, NSF-61, AB1953 and UL listings for code-compliant installations.

Class 150 Pressure Rating

The single specification that decides fit is the Class 150 rating with a maximum pressure of 300 psi at 150 degrees Fahrenheit WOG and 150 psi saturated steam. Verify that your system design pressure and temperature stay within these limits before specifying this tee.

Female NPT Thread Installation

Installation requires threading male NPT pipe ends into the three female ports using suitable sealant or tape for a leak-free joint. Over-tightening can crack the malleable iron body, so apply only the torque recommended for 1-1/4 inch NPT connections. Ensure pipe threads are clean and undamaged to avoid cross-threading or weeping joints.

Highlights

  • Galvanised malleable iron resists corrosion in water lines
  • Class 150 rating handles 300 psi at 150 °F
  • FNPT threads seal without welding or solder
  • Meets ASME B16.3, B16.4, ASTM A197, A47
  • FM, UL, NSF-61 and AB1953 listed for potable use

Specifications

BrandZORO SELECT

Questions about this item

What does the 300 psi rating mean once the tee is installed in a working system?

The tee is rated for a maximum working pressure of 300 psi at 150 °F water, oil or gas, so it will hold that pressure continuously in a properly assembled Class 150 piping system.

Which standard governs the FNPT threads and what does it cap in practice?

The female NPT threads follow ASME B16.3 and B16.4, which define thread form and engagement so the joint seals reliably up to the 300 psi / 150 °F WOG limit.

What physical space and mating parts are needed to fit this tee?

It requires three male NPT pipes or nipples of 1-1/4 inch nominal size; the galvanized malleable iron body installs with standard pipe wrenches and no special tools.

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