PNEUMATIC ACTUATORS FOR BALL VALVES

PNEUMATIC ACTUATORS FOR BALL VALVES is a MAROS Engineering solution for industrial automation and fluid or vacuum control. The configuration is presented with the manufacturer-published technical characteristics relevant to this product entry.

Product Overview

Type: rack-and-pinion pneumatic actuator for ball and butterfly valves. Available sizes: 32, 50, 63, 75, 85, 100, 115, 125, 145, 160, 180, 200, 240, 270, 330 and 420 mm. Rotation: 90° standard, with 120° and 180° versions. Versions: DA double acting and SA single acting with spring return. External adjustment: ±5°. The product configuration is intended for applications where the stated valve or actuator design, connection arrangement, operating range and construction materials are required.

Configuration

The selected nominal size and manufacturer code are retained exactly from the product record. Where MAROS publishes multiple versions, the applicable actuation, connection, pressure, temperature, sealing and material choices are included in the technical information below.

Technical Specifications

Type: rack-and-pinion pneumatic actuator for ball and butterfly valves. Available sizes: 32, 50, 63, 75, 85, 100, 115, 125, 145, 160, 180, 200, 240, 270, 330 and 420 mm. Rotation: 90° standard, with 120° and 180° versions. Versions: DA double acting and SA single acting with spring return. External adjustment: ±5°. Power supply: dry, lubricated or filtered compressed air. Pilot pressure: min. 1 bar–max. 8 bar. Mounting: female lower shaft key to ISO5211/DIN3337, with in-line 45° assembly capability; accessory mounting follows Namur standard. Operating temperature: -20°/+80°C standard; -60°/+80°C, -40°/+80°C and -20°/+150°C versions are available. Covers: die-cast ASTM B179 aluminium alloy with polyester powder or chemical nickel finish. Pistons: anodized aluminium alloy ASTM B179. Pinion: A2 stainless steel or nickel steel. Piston guides: acetal resin +20% PTFE. Screws: AISI 304 stainless steel. ATEX and top visual indicator are available on request.

Construction and Materials

Type: rack-and-pinion pneumatic actuator for ball and butterfly valves. Available sizes: 32, 50, 63, 75, 85, 100, 115, 125, 145, 160, 180, 200, 240, 270, 330 and 420 mm. Rotation: 90° standard, with 120° and 180° versions. Versions: DA double acting and SA single acting with spring return. External adjustment: ±5°. Power supply: dry, lubricated or filtered compressed air. Pilot pressure: min. 1 bar–max. 8 bar. Mounting: female lower shaft key to ISO5211/DIN3337, with in-line 45° assembly capability; accessory mounting follows Namur standard. Operating temperature: -20°/+80°C standard; -60°/+80°C, -40°/+80°C and -20°/+150°C versions are available. Covers: die-cast ASTM B179 aluminium alloy with polyester powder or chemical nickel finish. Pistons: anodized aluminium alloy ASTM B179. Pinion: A2 stainless steel or nickel steel. Piston guides: acetal resin +20% PTFE. Screws: AISI 304 stainless steel. ATEX and top visual indicator are available on request.

Applications

PNEUMATIC ACTUATORS FOR BALL VALVES PNEUMATIC ACTUATORS FOR BALL VALVES is an for industrial automation and pneumatic fluid or vacuum control. Type: rack-and-pinion pneumatic actuator for ball and butterfly valves. Technical Specifications Type: rack-and-pinion pneumatic actuator for ball and butterfly valves.

Available Options

• MAROS Engineering MOSFE family
• This entry represents the named MAROS family configuration
• Official manufacturer construction and technical configuration
• Published actuation and connection characteristics
• Published pressure and temperature limits where specified
• Published materials, seals and available options where applicable