A.Y. McDonald Mfg. Co. · Swing Check Valve
72050S Swing Check Valve
No-Lead brass, sweat x sweat ends, 200 WOG, metal-to-metal seat
No-Lead Brass
200 WOG
Metal-to-Metal Seat
Sweat x Sweat
NSF/ANSI 372 and 61
1/2 in to 2 in
Overview
The A.Y. McDonald 72050S is a No-Lead brass swing check valve with sweat x sweat ends, rated 200 WOG (non-shock), with a metal-to-metal seat. A.Y. McDonald builds its No-Lead low pressure valves from heavy-duty No-Lead brass for residential and commercial applications.
- 200 WOG (non-shock)
- Metal-to-metal seat
- Directional: install with the flow arrow
- Temperature rating 50 to 230°F
- Certified to NSF/ANSI 372 and NSF/ANSI 61
What Ships and What It Needs to Run
Included: one swing check valve.
Genuine A.Y. McDonald equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial supplier.
1-Year A.Y. McDonald Warranty
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.
Specifications
| Construction |
No-Lead brass (C46400 MOD) |
| Connections |
Sweat x Sweat |
| Solder ends |
Conform to ANSI B16.18 |
| Pressure rating |
200 WOG (non-shock) |
| Temperature rating |
50 to 230°F |
| Seat |
Metal to metal |
| Flow |
Directional |
| Compliance |
NSF/ANSI 372, NSF/ANSI 61; complies with AB 1953 |
| 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 72050S submittal data sheet.
Models
| Part No. |
Size |
Height (H, in) |
Length (L, in) |
Sold As |
| 5421-104 |
1/2 in |
1.42 |
2.40 |
Single |
| 5421-105 |
3/4 in |
1.56 |
3.15 |
Single |
| 5421-106 |
1 in |
1.77 |
3.50 |
Single |
| 5421-107 |
1 1/4 in |
2.07 |
4.15 |
Single |
| 5421-108 |
1 1/2 in |
2.17 |
4.57 |
Single |
| 5421-109 |
2 in |
2.68 |
5.47 |
Single |
Before You Order. Not for wastewater use. Install with the arrow in the direction of flow.
Materials of Construction
| Body |
No-Lead brass (C46400 MOD) |
| Cap/bonnet |
No-Lead brass (C46400 MOD) |
| Disc |
No-Lead brass (C46400 MOD) |
| Bolt and pin |
No-Lead brass |
| Packing |
Fiber |
From the A.Y. McDonald 72050S submittal data sheet.