The DFT® Model PDC Silent Check Valve is specially designed for use on the discharge side of reciprocating air or gas compressors. It includes a pulse damping chamber to maintain the disc in the open position during the momentary reductions in flow associated with each cycle of a reciprocating compressor and to protect against premature seat wear.
PDC Check Valve Features:
Pulse damped design
Self sizing - accomodates varying flows without chattering
ANSI face-to-face dimensions
Spring-assisted silent closing
2" to 12" Line size
ANSI 150 to 1500
WCB, 316 SS & LCC Body
316 SS Trim
Protected spring
| Part # | Size | A | B | CV | |
|---|---|---|---|---|---|
| 312H1A4A3 | 2" | 8" | 6" | 62 | Add to RFQ |
| 312K1A4A3 | 3" | 9-1/2" | 7-1/2" | 148 | Add to RFQ |
| 312L1A4A3 | 4" | 11-1/2" | 9" | 255 | Add to RFQ |
| 312N1A4A3 | 6" | 14" | 11" | 660 | Add to RFQ |
| 312O1A4A3 | 8" | 19-1/2" | 13-1/2" | 1005 | Add to RFQ |
| Part # | Size | A | B | CV | |
|---|---|---|---|---|---|
| 312H1B4A3 | 2" | 10-1/2" | 6-1/2" | 62 | Add to RFQ |
| 312K1B4A3 | 3" | 12-1/2" | 8-1/4" | 148 | Add to RFQ |
| 312L1B4A3 | 4" | 14" | 10" | 255 | Add to RFQ |
| 312N1B4A3 | 6" | 17-1/2" | 12-1/12" | 660 | Add to RFQ |
| 312O1B4A3 | 8" | 21" | 15" | 1005 | Add to RFQ |
| 312P1B4A3 | 10" | 24-1/2" | 17-1/2" | 1580 | Add to RFQ |
| 312R1B4A3 | 12" | 28" | 20-1/2" | 2300 | Add to RFQ |
| Part # | Size | A | B | CV | |
|---|---|---|---|---|---|
| 312H1C4A3 | 2" | 11-1/2" | 6-1/2" | 62 | Add to RFQ |
| 312K1C4A3 | 3" | 14" | 8-1/4" | 142 | Add to RFQ |
| 312L1C4A3 | 4" | 17" | 10-3/4" | 255 | Add to RFQ |
| 312N1C4A3 | 6" | 22" | 14" | 660 | Add to RFQ |
| 312O1C4A3 | 8" | 26" | 16-1/2" | 1005 | Add to RFQ |
| Part # | Size | A | B | CV | |
|---|---|---|---|---|---|
| 312H1E4A3 | 2" | 14-1/2" | 8-1/2" | 55 | Add to RFQ |
| 312K1E4A3 | 3" | 15" | 9-1/2" | 118 | Add to RFQ |
| 312L1E4A3 | 4" | 18" | 11-1/2" | 224 | Add to RFQ |
| 312N1E4A3 | 6" | 24" | 15" | 567 | Add to RFQ |
| 312O1E4A3 | 8" | 14-1/2" | 8-1/2" | 55 | Add to RFQ |
| 312R1E4A3 | 12" | 18-1/2" | 10-1/2" | 118 | Add to RFQ |
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