646AS Back Flow Preventer
646AS Back Flow Preventer
• Brass Finish (646AS4) ASSE 1011 Standard
• Chrome Plated (646ASC)
• UPC/ IAPMO Approved
• Available Display Carded
• Break away Set Screw
• 3/4" Garden Hose Threads
646AS4 - Material Specifications
| No. | Name | Material |
|---|---|---|
| 1 | Body | Brass YBsC3 |
| 2 | Cover | Brass C3604 |
| 3 | Spring | Stainless 304 |
| 4 | Base | Celcom M90 |
| 5 | Washer | Rubber NBR |
| 6 | O-Ring | Rubber NBR |
| 7 | Screw | Brass C3604 |
646ASC - Material Specifications
| No. | Name | Part No. |
|---|---|---|
| 1 | Bolt | Brass B124 C37700 |
| 2 | Bonnet | Brass B124 C37700 |
| 3 | Packing | Rubber SE-719F/SN-719F |
| 4 | Seat Packing | Rubber SE-719F/SN-719F |
| 5 | Spring House | POM Formocon FM090 |
| 6 | Spring | Stainless Steel 304 |
| 7 | Body | Brass B124 C37700 |
| Part # | H | L | L1 | D |
|---|---|---|---|---|
| 646ASC | 1.38 | 1.44 | 1.32 | 1.26 |
