Rotork Midland-ACS 3525 Filter Regulators
The Rotork Midland-ACS 3525 Series is a compact, stainless steel filter regulator designed for general and mildly aggressive pneumatic systems. Built with 316 stainless steel components, it combines air filtration and precise pressure regulation in a small footprint, delivering clean, stable air supply to small pneumatic actuators and instruments in industrial and process applications.
This series offers reliable performance with low pressure drop, easy maintenance, and broad compatibility, making it a cost-efficient choice for applications where space is limited and corrosion resistance is required.
Features
1.Compact, space-saving design ideal for panel and bracket mounting
2.316 stainless steel construction for good corrosion resistance
3.Integrated filter and pressure regulation in one unit
4.Choice of relieving / non-relieving regulator versions
5.Standard 40 micron filter element for reliable particle removal
6.Manual drain for simple maintenance
7.1/4" port connections for common small pneumatic circuits
8.Wide operating pressure range for versatile system use
Associated Products
Midland-ACS Associated Models
Regulators & Solenoid Valves – Cross Reference
1. Regulator Series (Pressure / Filter Regulators)
3500 Series – Standard Regulators
3500 Series: Pressure Regulators
3525 Series: Filter Regulators
3550 Series: Stainless Steel Filter Regulators (316L)
3575 Series: High Flow Filter Regulators
Typical Models:
4PRNSV082A
4FRASV122A
4REGSN121
4500 Series – Flow Regulators
4500 Series: Stainless Steel Flow Regulators
2REGSN122
2FRMSV122A
Other Pressure Control Units:
2PS3SV072
2PS3SL072
2. Solenoid Valve Series
67 Series – Direct Acting 3/2 Solenoid Valves
67 Series: 3/2 Direct Acting Solenoid Valves, 316L, Ex-proof
Typical Models:
DN03‑2221A41K6BA
DN03‑5322A41EBA
70 Series – High Pressure / High Temp Direct Acting Valves
70 Series: 3/2 Direct Acting Solenoid Valves (enhanced version)
1500 Series – Pilot Operated Solenoid Valves
1500 Series: 3/2, 5/2 Pilot Operated Valves, NACE, -50°C to +180°C
1500 Series with Solenoid Pilot
1600 / 1650 / 1750 Series – Pilot Operated Valves
1600 Series: Spring return pilot valves
1650 Series: With manual override
1750 Series: Double coil, high flow pilot valves
Explosion‑proof Solenoid Valves
5325M24‑AM1P4
5325M24PAM1P4
7325M24‑AM1P4
7325M24PAM1P4
8325M21‑SC2B
8325M21‑EC2B
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