Emerson Yarway 721-HP Thermodynamic Disc Steam Trap | 3/4" NPT | Class 600 | Integral Strainer | P/N 721-4423-6430546 | New in Box

Description

For sale is a lot of six (6) Emerson Yarway 721-HP Thermodynamic Disc Steam Traps, Part No. 721-4423-6430546, new in their original individual boxes. These traps are packaged in a DistributionNOW (DNOW) master carton and include a Spartan Controls Certificate of Compliance (SDF2110, dated September 18, 2025) confirming they have been procured, inspected, and tested in accordance with purchase order and product bulletin specifications.

The Yarway Series 721 is an in-line repairable, thermodynamic disc steam trap designed for durability and ease of maintenance in drip and tracing applications. The "HP" designation indicates the high-pressure configuration, rated for 150 to 650 PSI operating pressure at up to 750°F. These traps feature a forged alloy steel body (F11 chrome-moly), an integral strainer to protect the disc and seat, and a stainless steel disc cap assembly. They are freeze-proof, unaffected by water hammer, and fail open to prevent water hammer in steam lines.

These units are ideal for light load applications such as steam tracing, steam line drip, and turbine drain in refineries, power plants, and heavy industrial facilities.

Full Specifications

Individual Unit Serial Numbers

All six units carry unique serial numbers as printed on their individual box labels. The serial numbers span two purchase orders: three units from SO 2017964 (October 2024) and three units from SO 2049035 (March 2025).