Handbook TUNE R EX 202106

3/18 | TUNE-R-EX
Description
TUNE-R-EX is a control and shut-off damper for ventilation in explosive hazardous atmosphere.
The damper is available versions with actuator or a version
with preparation for installation of an actuator and with manual adjustment lever.
According to EN 1751 the tightness class of the damper C4 for duct static pressure up to 1000 Pa.
Design
The casing of the TUNE-R-EX and the damper blade and the actuator platform are made from galvanized steel.
A version with the casing and the blade from stainless steel A316 is also available. The damper version
with preparation for actuator (TUNE-R-EX…-M0) has manual adjustment lever with position - fixing bolt. The metallic
parts of the damper have electric equipotential interconnection. A connector for equipotential or earthing system
is available on the casing.
The duct connections and the damper blade have gaskets from EPDM with increased electrical conductivity
that prevents electrostatic charge.
Highlights
• Short compact casing
• Tightness class 4C up to 1000 Pa acc. to EN1751
• Manual version can be equipped by an actuator
Product Types
• M0: Damper with preparation for actuator with manual adjustment lever
• M3
: Damper with stepless (0 V ... 10 V, 2/3 - Point) actuator AC/DC 24 V ... 240 V, elevated ATEX classification for zone 1,
2, 21, 22
• M6
: Damper with stepless (0 V ... 10 V, 2/3 - Point) spring return actuator AC/DC 24 V ... 240 V, elevated ATEX
classification for zone 1, 2, 21, 22
• M10
: Damper with stepless (0 V ... 10 V, 2/3 - Point) actuator AC/DC 24 V ... 240 V, basic ATEX classification for zone 2, 22