Valve range
Confirm size and flow first
- 1/4" to 1" NPT(F)
- 7 to 25 mm orifice
- Flow reference: 18 to 185 LPM
- 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
Datasheet configurations
Filter order codes by datasheet
The models below are registered from their datasheets; the complete products above also have standalone product pages. SL identifies the SIL certification field; refer to the certificate and datasheet for the exact level and compatibility.
| 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 |