Value Brand 1/4" x 1/8" Malleable Iron Reducer Coupling
Malleable iron reducer coupling connects 1/4" to 1/8" FNPT pipe, rated 300 psi at 150 °F and meets ASME B16.3, B16.4, ASTM A197 and A47 standards
- Reduces pipe size with 1/4 in x 1/8 in FNPT connection
- Handles 300 psi at 150 °F for reliable pressure containment
- Meets ASME B 16.3 and B 16.4 standards for quality assurance
- FM Approved and UL Listed for verified safety compliance
- Operates from -20 °F to 366 °F across diverse temperature conditions
Reducer coupling for small-bore pipe
The Value Brand malleable-iron reducer coupling joins a 1/4 inch female NPT line to a 1/8 inch female NPT line in plumbing and compressed-air systems. It meets ASME B 16.3 and B 16.4 standards and carries FM and UL listings for code-compliant installations.
Class 150 iron body with FNPT threads
The Class 150 malleable-iron casting withstands 300 psi at 150 degrees F and 150 psi saturated steam across a -20 to 366 degrees F range. FNPT threads on both ends allow direct assembly with standard pipe nipples without soldering or special tools.
ASTM-grade material and dual certification
Produced to ASTM A-197 and ASTM A47 specifications, the fitting resists cracking under thermal cycling and vibration. The FM Approved and UL Listed marks let inspectors accept the joint in fire-protection and general-service piping without additional documentation.
How it compares
Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.
- Price $1.99
- Cheaper than about 94% of the 2,955 comparable items (median $17.99).
Specifications
| Product | |
|---|---|
| Brand name | ZORO SELECT |
Questions about this item
What pressure and temperature limits does the Class 150 malleable iron reducer coupling handle?
Rated for 300 psi at 150 °F and 150 psi saturated steam, with an operating range from -20 °F to 366 °F.
Which pipe-thread standard do the 1/4 in and 1/8 in FNPT ends follow?
The female NPT threads conform to ASME B 16.3 and B 16.4 for taper pipe threads.
How do you seal the FNPT threads without cracking the malleable iron fitting?
Apply PTFE tape or pipe dope to the male threads only, hand-tighten, then turn one to two full turns with a wrench — over-tightening is the common mistake.
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