Piston Check Valve Model Number Reference Guide
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4 | -PC | F | A | HC | A | D | A | A | -03 | A |
*Example: 4-PCFAHCADAA-03A (as shown above) is a 4" Piston Check Valve, Full Port, 316 SST Plug Hard Chrome Plated, 316 SST Seat, Inconel 718 Spring, 316 SST Body, 316 SST Retaining Ring, 300# with NPTF Threaded End Connections
| 1 Size |
|---|
| .5, .75, 1, 1.25, 1.5, 2, 3, 4, 5, 6, 8, 10 |
| 2 Check Valve Series | |
|---|---|
| PC | PC Series - Piston Check Valves |
| 3 Port Size | |||
|---|---|---|---|
| F | Full Port | R | Reduced Port |
| 4 Plug | |||
|---|---|---|---|
| A | 316 Stainless Steel | D | Inconel |
| T | Titanium | H | Hastelloy |
| M | Monel | Z | Zirconium |
| O | Other | ||
| 5 Plug Coating | |||
|---|---|---|---|
| HC | Hard Chrome | S | Stellite |
| C | Colmonoy | CC | Chrome Carbide |
| O | Other | ||
| 6 Seat | |||
|---|---|---|---|
| E | Teflon | A | 316 Stainless Steel |
| D | Inconel | T | Titanium |
| H | Hastelloy | Z | Zirconium |
| O | Other | ||
| 7 Springs | |||
|---|---|---|---|
| C | 301 Stainless Steel | A | 316 Stainless Steel |
| D | Inconel 718 | H | Hastelloy |
| 8 Body Material | |||
|---|---|---|---|
| A | 316 Stainless Steel | H | Hastelloy |
| B | Carbon Steel | Z | Zirconium |
| D | Inconel | M | Monel |
| T | Titanium | O | Other |
| 9 Retaining Ring | |||
|---|---|---|---|
| A | 316 Stainless Steel | D | Inconel |
| T | Titanium | H | Hastelloy |
| Z | Zirconium | ||
| 10 Pressure Class | |||
|---|---|---|---|
| 01 | ANSI 150# | 03 | ANSI 300# |
| 06 | ANSI 600# | 09 | ANSI 900# |
| 15 | ANSI 1500# | ||
| 11 End Connections | |||
|---|---|---|---|
| A | NPTF Thread | E | Socket Weld End |
| B | R.F. Flanged | W | Wafer Body |
| C | Ring Joint Flanged | D | Butt Weld |