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The A.Y. McDonald 72054S is a No-Lead bronze spring-loaded inline check valve with sweat x sweat ends. Its rubber seat gives silent operation; it is rated 250 WOG and 150 PSI cold working pressure, for residential and commercial applications.
Included: one inline check valve.
Covered for 1 year from the date of shipment from A.Y. McDonald’s factory under A.Y. McDonald’s published limited warranty, which applies to the products A.Y. McDonald manufactures.
| Construction | No-Lead bronze |
| Connections | Sweat x Sweat |
| Solder ends | Conform to ANSI B16.18 |
| Pressure rating | 250 WOG; 150 PSI cold working pressure (CWP) |
| Check type | Spring loaded, rubber (Buna-N) seat |
| Flow | Directional |
| Lead content | Weighted average of the wetted surface under 0.25% lead (A.Y. McDonald No-Lead definition) |
| Sizes | 1/2 in, 3/4 in, 1 in, 1 1/4 in, 1 1/2 in, 2 in |
Source: A.Y. McDonald Plumbing Price List, effective 7-07-26, pp. 20-21; A.Y. McDonald Plumbing Catalog (1/25), No-Lead Check Valves and Strainers, pp. 30-31; A.Y. McDonald 72054S submittal data sheet.
| Part No. | Size | Height (H, in) | Diameter (D, in) | Sold As |
|---|---|---|---|---|
| 5421-043 | 1/2 in | 2.40 | 0.79 | Single |
| 5421-044 | 3/4 in | 2.99 | 1.02 | Single |
| 5421-045 | 1 in | 3.50 | 1.34 | Single |
| 5421-046 | 1 1/4 in | 3.74 | 1.57 | Single |
| 5421-047 | 1 1/2 in | 4.25 | 1.85 | Single |
| 5421-048 | 2 in | 5.00 | 2.36 | Single |
| Body | No-Lead bronze |
| End cap | No-Lead bronze |
| Disc | No-Lead forged bronze |
| Spring | Brass B159 |
| Disc ring | Buna-N rubber |
From the A.Y. McDonald 72054S submittal data sheet.
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