NAUMR Double Acting Rack & Pinion Pneumatic Actuator 0.25-0.8 MPa for Dampers with 90° Rotation

Price Negotiable

Price: FOB Shanghai

MOQ: 1 Ea

Delivery Time: One week

Brand: Veson/OEM

Product Description

Product Overview

NAUMR Standard Double Acting Rack and Pinion Pneumatic Actuator delivers reliable performance for industrial damper control applications with air supply pressure range of 0.25-0.8 MPa.

Technical Specifications

Acting Type: Double acting
Operating Medium: Clean, dry, non-corrosive compressed air
Air Supply Pressure: 0.25-0.8 MPa
Working Temperature: Standard (-20°C to +80°C) or High-temperature (-20°C to +180°C)
Rotation Angle: 90° ± 5°
Solenoid Valve Voltage: AC220V or DC24V (custom options available)

Design & Construction Features

Compliant with ISO5211, DIN3337, VD/VDE3845, and NAMUR standards
Extruded high-strength aluminum body with honed internal surface and anode oxygenation coating
Compact, modern construction with multi-specification options for economic selection
High-quality bearings on all acting surfaces for low friction, high cycle life, and quiet operation
External travel stop adjustment bolts for precise ±5° adjustment in both directions
Available in double acting and spring return modes (normal-open and normal-close styles)
Multi-function position indicator with NAMUR for easy accessory mounting
Pre-compressed load spring for safe installation and maintenance
Die-cast aluminum pistons and end caps for high strength and light weight
Multiple O-ring materials available for high and low temperature applications
Custom travel rotations (120°, 135°, 180°) and three-position actuators available
Direct solenoid valve mounting without connecting plates

Actuator Functions & Applications

Double-acting actuators: Control valve opening and closing operations
Single-acting actuators (spring return): Automatic valve closure during gas cutoff or failure
Solenoid valves: Remote valve control with explosion-proof options
Limit switches: Position signal transmission for remote monitoring
Electrical positioners: Flow control via 4-20mA current signals
Pneumatic converters: Current-to-pressure signal conversion
Air treatment units: FRL systems for stable, clean, and lubricated air supply

Torque Specifications

Size	3.0 bar	4.0 bar	5.0 bar	6.0 bar	7.0 bar	8.0 bar
VS-032DA	4.6 Nm	6.1 Nm	7.6 Nm	9.2 Nm	10.7 Nm	12.2 Nm
VS-052DA	12.0 Nm	16.0 Nm	20.0 Nm	24.0 Nm	28.0 Nm	32.0 Nm
VS-063DA	21.7 Nm	28.9 Nm	36.0 Nm	43.4 Nm	50.6 Nm	57.8 Nm
VS-075DA	30.0 Nm	40.0 Nm	50.0 Nm	60.0 Nm	70.0 Nm	80.0 Nm
VS-083DA	46.8 Nm	62.4 Nm	78.0 Nm	93.6 Nm	109.2 Nm	124.8 Nm
VS-092DA	67.6 Nm	90.1 Nm	112.6 Nm	135.2 Nm	157.7 Nm	180.2 Nm
VS-105DA	97.7 Nm	130.3 Nm	162.9 Nm	195.5 Nm	228.0 Nm	260.6 Nm
VS-125DA	150.5 Nm	200.6 Nm	250.8 Nm	301.0 Nm	351.1 Nm	401.3 Nm
VS-140DA	260.7 Nm	347.6 Nm	433.8 Nm	521.4 Nm	608.3 Nm	695.2 Nm
VS-160DA	397.2 Nm	529.6 Nm	662.0 Nm	794.4 Nm	926.8 Nm	1059.2 Nm
VS-190DA	640.2 Nm	853.6 Nm	1067.0 Nm	1280.4 Nm	1493.8 Nm	1707.2 Nm
VS-210DA	798.0 Nm	1064.0 Nm	1330.0 Nm	1596.0 Nm	1862.0 Nm	2128.0 Nm
VS-240DA	1154.3 Nm	1539.0 Nm	1923.8 Nm	2308.5 Nm	2693.3 Nm	3078.0 Nm
VS-270DA	1755.0 Nm	2340.0 Nm	2924.0 Nm	3510.0 Nm	4095.0 Nm	4680.0 Nm
VS-300DA	2291.4 Nm	3055.2 Nm	3819.0 Nm	4582.8 Nm	5346.6 Nm	6110.4 Nm