Valve range
Confirm size and flow first
- 1/4" to 1" NPT(F)
- 7 to 25 mm orifice
- 18 to 185 LPM representative flow factors
- 0-20 bar main pressure
Rotex / 33101 Series
3/2 Air-operated Spring-return Valve
A rugged air-operated poppet valve family for NC, NO, diverting and mixing duty, including SIL-certified SS316 configurations.
Materials and service
Then confirm material, seal and SIL
- Hard-anodised aluminium or SS316 body
- NBR, EPDM or fluorosilicone examples
- Air, inert gas and clear-water service by configuration
- SIL certificate ROT 1101097 C003 on listed variants
Confirmed configurations
Filter order codes backed by real datasheets
SL is the catalogue's SIL certification field. Confirm the exact level and compatibility against the certificate and datasheet.
| Order code | Orifice / flow | Pilot / pressure | Temperature | Material / certification | Inquiry |
|---|---|---|---|---|---|
| 33101-16-4R-B5Complete order codeDatasheet ↗ | 16 mm / 80 LPM | Pilot >= main pressure or 2 bar | -25 to +75 C | SS316 / NBR | |
| 33101-16-4R-S19Complete order codeDatasheet ↗ | 16 mm / 75 LPM | Pilot >= main pressure or 2 bar | -60 to +190 C | Aluminium / fluorosilicone | |
| 33101-7-4R-S19Complete order codeDatasheet ↗ | 7 mm / 18 LPM | Pilot >= main pressure or 2 bar | -60 to +190 C | Aluminium / fluorosilicone | |
| 33101-SL-10-3R-B5-S19Complete order codeDatasheet ↗ | 10 mm / 38 LPM | Pilot >= main pressure or 2 bar | -60 to +190 C | SIL / SS316 / fluorosilicone | |
| 33101-SL-16-4R-B5-S1Complete order codeDatasheet ↗ | 16 mm / 80 LPM | Pilot >= main pressure or 2 bar | -50 to +130 C | SIL / SS316 / EPDM | |
| 33101-SL-20-6R-B5-S1Complete order codeDatasheet ↗ | 20 mm / 185 LPM | Pilot >= main pressure or 2 bar | -50 to +130 C | SIL / SS316 / EPDM | |
| 33101-SL-20-6R-B5-S19Complete order codeDatasheet ↗ | 20 mm / 110 LPM | Pilot >= main pressure or 2 bar | -60 to +190 C | SIL / SS316 / fluorosilicone | |
| 33101-SL-25-8R-B5-S1Complete order codeDatasheet ↗ | 25 mm / 110 LPM | Pilot >= main pressure or 2 bar | -50 to +130 C | SIL / SS316 / EPDM | |
| 33101-SL-7-2R-B5-S19Complete order codeDatasheet ↗ | 7 mm / 18 LPM | Pilot >= main pressure or 2 bar | -60 to +190 C | SIL / SS316 / fluorosilicone |