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Actuator Type MD

Actuator Type MD

Product catalog summary

Data Sheet Overview: The document provides technical specifications for the Type MD pneumatic, rotary, diaphragm actuator, available in sizes MD450 and MD700.

Specifications:

Actuator Type: Pneumatic, rotary, diaphragm
Sizes: MD450, MD700
Travel: 100 mm for MD450, 130 mm for MD700
Opening Angle: 75° to 90°
Spring Position: Multi-spring, symmetric
Diaphragm Area: 1636 cm² for MD450, 3447 cm² for MD700
Spring Torque: Ranges from 679 Nm to 8247 Nm
Supply Air Range: 3 to 6 bar
Temperature Range: –40 to 80 °C / –40°F to 176 °F
Mounting of Accessories: VDI/VDE 3845

Principle of Operation: The actuator features a diaphragm with symmetrically arranged return springs, allowing high torque transmission. It supports short travel for quick actuation and can be equipped with manual gears and end stops.

Technical Data:

MD450: Diaphragm area of 1636 cm², spring torque from 679 to 1787 Nm, weight ranges from 310 to 380 kg.
MD700: Diaphragm area of 3447 cm², spring torque from 4324 to 8247 Nm, weight ranges from 660 to 740 kg.

Attachment Types: Includes fail-close and fail-open configurations.

Contact Information: VETEC Ventiltechnik GmbH, Siemensstraße 12, 67346 Speyer, Phone: 06232 6412-0, Fax: 06232 42479, Email: [email protected], Website: www.vetec.de

Catalog excerpts

Version: - Diaphragm - Rotary actuator Travel: - 100 / 130 mm Spring position: - Multi-spring, symmetric Diaphragm area: - 1636 to 3447 cm2 Ambient temperature range: - -40 to 80 °C / -40°F to 176 °F Mounting of accessories: - VDI/VDE 3845 Principle of operation: The Type MD Actuator is equipped with a diaphragm and several symmetrically arranged return springs. The combination of several spring assemblies and the design of the piston rod bearing allow high torques to be transmitted. The short travel ensures very short actuating times. The actuator can be equipped with additional manual gears as well as end stops. A multi-stage version is possible. VETEC Ventiltechnik GmbH

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Table 1: Technical data of MD450

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Attachment type B Fail-close VETEC Ventiltechnik GmbH Attachment type B Fail-open Siemensstraße 12 · 67346 Speyer Telefon: 06232 6412-0 · Fax: 06232 42479 · E-mail: [email protected] · Internet: www.vetec.de

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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