Rotork Midland-ACS DN5 Series Solenoid Operated Valves
The Rotork Midland-ACS DN5 Series is a range of 316L stainless steel metal-to-metal seated hydraulic solenoid pilot valves engineered for ultra-high-pressure flow control in safety-critical industrial applications. Designed specifically for actuator and wellhead control systems in oil, gas, and petrochemical industries, this 3-port, 2-position (3/2 way) series delivers leak-tight shut-off and reliable switching performance at pressures up to 690 bar (10,000 psi). With its balanced internal piloting system, the DN5 Series enables low-powered solenoid coils to switch safely at extreme pressures, making it ideal for remote installations with limited power supply.
Features
1.Ultra-High Pressure Rating: Handles operating pressures from 0 to 690 bar (10,000 psi)depending on operator type, making it suitable for demanding hydraulic control applications
2.Metal-to-Metal Seated Design: 316 stainless steel seat and ball construction ensures btubble-tight shut-off even at max pressure, reducing fluid loss and reducing system efficiency
3.Balanced Internal Piloting: Allows low-powered solenoid coils (3.5 W standard) to switch reliably at extreme pressures, reducing energy consumption in remote installations
4.316L Stainless Steel Construction: Exceptional corrosion resistance for harsh chemical, marine, and offshore environments, with wetted parts in stainless steel for extended service life
5.Dual-Rated Explosion-Proof Certification: ATEX/IECEx II G Exd T6 (-50°C ≤ Ta ≤ +60°C) and T4 (-50°C ≤ Ta ≤ +80°C) as standard for Zones 1 & 2, Gas Groups IIA, IIB, IIC
6.Modular Mounting Options: O-ring interface enables subplate or manifold mounting for use in local control panels, providing a compact, cost-effective solution for multi-well panels
7.High Flow Capacity: Nominal flow rate of 20L/min(5.3 US gal/min)with the ability to scale up when combined with DN3 valves for larger hydraulic circuits
8.Wide Temperature Range: Standard -20°C to +60°C, with low-temperature option available (-50°C to +60°C) for extreme cold environments
9.Ingress Protection: IP67/NEMA 6 standard for superior water and dust protection in harsh outdoor installations
10.Easy Maintenance: Dismountable via 4 bolts without disturbing pipework, minimizing downtime and contamination risks during service
11.Filtration Requirement: 10 micron absolute recommended for optimal performance and longevity at extreme pressures
12.NACE MR-0175 Compliant: Suitable for sour service applications in the oil and gas industry
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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