Check Valve S4 (spring-loaded)
Description
Spring-loaded check valve S4 made of PVC-U (grey) with PVC-U solvent socket, seal EPDM or FPM, V4A spring, opening pressure 0,06 bar, operating temperature max. 60 °C. Radially removable, compact design, low-noise and corrosion-resistant with maintenance-free operation.
Check Valve S4 (spring-loaded)
- Opening pressure 0,06 bar
- Operating temperature max. 60 °C
- Corrosion-resistant
- Long service life with maintenance-free operation
- Compact design
- Radially removable and installable
- Fast and precise opening and closing
- Low-noise
- V4A spring
| Art. No. (Peraplas) | KLN No. | Product | Weight (kg) | Pack |
|---|---|---|---|---|
| 121069 | 51510316 | Check valve S4 DN10 PVC grey PVCu solvent socket d16 metric PN16 EPDM | 0.17 | 20.00 |
| 121087 | 51510321 | Check valve S4 DN10 PVC grey PVCu solvent socket d16 metric PN16 FPM | 0.17 | 20.00 |
| 121088 | 51510322 | Check valve S4 DN15 PVC grey PVCu solvent socket d20 metric PN16 EPDM | 0.16 | 20.00 |
| 121089 | 51510323 | Check valve S4 DN15 PVC grey PVCu solvent socket d20 metric PN16 FPM | 0.16 | 20.00 |
| 121090 | 51510324 | Check valve S4 DN20 PVC grey PVCu solvent socket d25 metric PN16 EPDM | 0.25 | 20.00 |
| 121091 | 51510325 | Check valve S4 DN20 PVC grey PVCu solvent socket d25 metric PN16 FPM | 0.25 | 20.00 |
| 121092 | 00002666 | Check valve S4 DN25 PVC grey PVCu solvent socket d32 metric PN16 EPDM | 0.32 | 15.00 |
| 121093 | 51510327 | Check valve S4 DN25 PVC grey PVCu solvent socket d32 metric PN16 FPM | 0.33 | 15.00 |
| 121094 | 51510328 | Check valve S4 DN32 PVC grey PVCu solvent socket d40 metric PN16 EPDM | 0.55 | 20.00 |
| 121095 | 51510329 | Check valve S4 DN32 PVC grey PVCu solvent socket d40 metric PN16 FPM | 0.52 | 20.00 |
| 121041 | 51510312 | Check valve S4 DN40 PVC grey PVCu solvent socket d50 metric PN16 EPDM | 0.86 | 10.00 |
| 121096 | 51510330 | Check valve S4 DN40 PVC grey PVCu solvent socket d50 metric PN16 FPM | 0.52 | 10.00 |
| 121042 | 51510313 | Check valve S4 DN50 PVC grey PVCu solvent socket d63 metric PN16 EPDM | 1.26 | 8.00 |
| 121097 | 51510331 | Check valve S4 DN50 PVC grey PVCu solvent socket d63 metric PN16 FPM | 1.28 | 8.00 |
| 121098 | 51510332 | Check valve S4 DN65 PVC grey PVCu solvent socket d75 metric PN16 EPDM | 2.63 | 4.00 |
| 121099 | 51510333 | Check valve S4 DN65 PVC grey PVCu solvent socket d75 metric PN16 FPM | 2.00 | 4.00 |
| 121043 | 51510314 | Check valve S4 DN80 PVC grey PVCu solvent socket d90 metric PN10 EPDM | 4.84 | 1.00 |
| 121100 | 51510334 | Check valve S4 DN80 PVC grey PVCu solvent socket d90 metric PN10 FPM | 4.98 | 1.00 |
| 122291 | 51510626 | Check valve S4 DN80 PVC grey PVCu solvent socket d110 metric PN6 EPDM | 4.76 | 1.00 |
| 122388 | 51510640 | Check valve S4 DN80 PVC grey PVCu solvent socket d110 metric PN6 FPM | 4.90 | 1.00 |

Technical drawing & dimensions
| d | DN | G | L | L1 | A | Z | t | D |
|---|---|---|---|---|---|---|---|---|
| 16 | 10 | ⅜" | 114 | 120 | 62 | 67.5 | 16.5 | 53 |
| 20 | 15 | ½" | 124 | 130 | 62 | 67.5 | 16.5 | 53 |
| 25 | 20 | ¾" | 144 | 150 | 70 | 76.5 | 19.5 | 63 |
| 32 | 25 | 1" | 154 | 160 | 74 | 81 | 22.5 | 70 |
| 40 | 32 | 1 ¼" | 174 | 180 | 84 | 90 | 26.5 | 85 |
| 50 | 40 | 1 ½" | 194 | 200 | 95 | 104 | 31.5 | 101 |
| 63 | 50 | 2" | 224 | 230 | 109 | 121 | 38.5 | 121.5 |
| 75 | 65 | 2 1/2" | 284 | 290 | 137 | 148 | 45 | 155 |
| 90 | 80 | 3" | 300 | 310 | 163 | 183 | 55.5 | 188 |
| 110 | 80 | 4" | 340 | 350 | 163 | 176 | 64 | 188 |
Dimensions in mm · weight in kg · letters as per drawing





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