Rotork Midland-ACS DN3 Series Solenoid Operated Valves
The Rotork Midland-ACS DN3 Series is a range of 316L stainless steel ball-seated hydraulic solenoid pilot valves specifically engineered for precise control of ultra-high-pressure hydraulic systems in severe industrial environments. Designed as a miniature solution for space-constrained installations requiring reliable leak-tight performance, this series delivers consistent on/off flow control with exceptional corrosion resistance and high-pressure capability. With a balanced internal piloting system and lever mechanism, the DN3 Series enables low-powered operators to switch at extreme pressures, making it a trusted solution for both hazardous and non-hazardous site conditions in oil, gas, petrochemical, and other high-integrity process applications requiring hydraulic actuation control.
Features
1.316L Stainless Steel Construction: Exceptional corrosion resistance for harsh chemical, marine, and offshore environments, with wetted parts in stainless steel/ceramic for extended service life
2.Ball-Seated Design: Stainless steel seat and ceramic ball ensure leak-tight shut-off even at ultra-high pressures, reducing fluid loss and reducing system efficiency
3.Ultra-High Pressure Rating: Operates reliably up to 1140 bar(16,534psi) depending on operator type, suitable for the most demanding hydraulic applications
4.Balanced Internal Piloting System: Enables low-powered solenoids to switch the valve at high pressures, reducing energy consumption while maintaining performance
5.O-Ring Interface Mounting: Direct mounting to 1/4" NPT ported subplate as standard, or manifold mounting to reduce pipework, fittings, weight, and space
6.Modular Design: Allows direct mounting to larger pilot-operated DN5 valves, increasing flow capacity up to 200L/min for scalable hydraulic control solutions
7.Easy Maintenance: Dismountable without disturbing pipework by removing just 4 bolts, minimizing system downtime and contamination risks
8.Multiple Fluid Compatibility: Suitable for mineral oils, water glycols, methanol, fresh water, natural gas, and nitrogen for versatile application flexibility
9.Low Power Consumption: Efficient operation for energy savings in remote installations
10.Hazardous Area Certification: Available with ATEX/IECEx approvals for Zones 1 & 2 (Gas Groups IIA, IIB, IIC)
11.Wide Temperature Range: Standard -20°C to +60°C, with low-temperature option (-50°C to +60°C) for extreme environments
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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