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- Air preparation units
- Pressure regulator Festo MS4 / MS6-LR, LRB
Pressure regulator Festo MS4 / MS6-LR, LRB

Festo MS series diaphragm pressure regulators for compressed air, MS4 (G1/4") and MS6 (G3/4"), with pressure gauge.
- Directly actuated diaphragm regulator, secondary exhausting and return flow
- Regulation ranges: D5 0.3–4 bar, D6 0.5–7 bar, D7 0.5–12 bar
- Operating pressure MS4 0.8–14 bar, MS6 0.8–20 bar
- Standard nominal flow MS4-LR-1/4 up to 2100 l/min
- Temperature −10…+60 °C
- Die-cast aluminium body, NBR membrane and seals
- Lockable rotary knob, padlock as accessory
- In-line, front panel or MS series module mounting
| Code | Thread (") | Adjust. range (bar) | Package size (KPL) |
|---|---|---|---|
| FE-527692 | 1/4" | 0,8–14 | 1 |
| FE-529419 | 1/4" | 0,5–12 | 1 |
| FE-MS4-LR-1/4-D5-AS | 1/4" | 0,3–4 | 1 |
| FE-MS6-LR-AGE-D6-RG | 3/4" | 0,5–7 | 1 |