1. Compact Structure：
Double-piston rack-and-pinion design ensures fast, smooth operation, high precision, and high power output.
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Pneumatic Actuators
Description:
The DOMINIC series adopts a modular structural design, powered by gas as the driving force. It features pneumatic modules and spring return modules on both sides of the housing that can be flexibly interchanged, enabling an industrial control valve actuation mechanism capable of both single-action and double-action functions.
Application Scenario:
The rack-and-pinion pneumatic actuator, known for its simple structure, cost-effectiveness, and ease of maintenance, is widely used in industrial valve control applications requiring fast response and medium torque. Typical applications include:feed ball valves for reactors、pipeline butterfly valves in gathering stations、butterfly valves in power plant circulating water systems.learn more
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2. Wear & Corrosion Resistance：
Extruded aluminum cylinder body
stainless steel fasteners,low friction coefficient & excellent corrosion resistance.
stainless steel fasteners,low friction coefficient & excellent corrosion resistance.
3.Integrated Design:
All double-acting & single-acting actuator models share the same cylinder body and end covers, allowing easy conversion between modes by adding/removing springs.
4. Extended Service Life:
Modular pre-loaded coated springs enable safe and convenient installation or adjustment of spring quantity—both during assembly and on-site maintenance.
5. Standardized Dimensions:
Air supply ports comply with NARMAR standards, supporting direct installation of NARMAR-compliant solenoid valves.
Product Type:
Pneumatic Actuator
Power Source:
Pneumatic
Certifications:
SIL, IEC 60079
Control Type:
On/Off
Valve Type:
Ball Valve, Butterfly Valve, Plug Valve
Safety Factor:
Double-acting: 20%~30%
Single-acting: 30%~50%
Single-acting: 30%~50%
Operating Pressure:
2~8 Bar (Air Pressure)
Operating Temperature:
Standard (NBR Seal): -20°C to +80°C
Low-Temperature (VMQ Seal): -40°C to +80°C
High-Temperature (FKM Seal): -20°C to +150°C
Low-Temperature (VMQ Seal): -40°C to +80°C
High-Temperature (FKM Seal): -20°C to +150°C
Angle Adjustment:
Adjustable within ±4° at 90° position
Lubrication:
Not required under normal operating conditions
Installation:
Suitable for both indoor and outdoor use
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Key words:
DOMINIC DPM series | DOMINIC DPM-R series | DOMINIc Heavy-duty pneumatic actuator
多米利克自控装备发展（江西）有限公司，多米利克
英国DOMINIC公司诞生于1955年，从成立之初便致力于工业及商业领域的阀门执行器、定位器、仪表等相关产品的研发和生产，是世界阀门自动化行业最优秀的执行器制造厂商之一。
