The document describes several manual adjuster valves for regulating air flow. It provides details on MEZ-DAMPER VALVE RG models 10, 12, 20, 22, 30 and 60, including material, valve breadth, packaging units and weight. The valves have spring bolts or square bolts and are used to effectively block and adjust air flow in rectangular or circular duct systems.

1. 3.1 MANUAL ADJUSTER for valves
3.1
REGULATION OF AIR FLOW
Easy and practical manual adjuster for the manufacture
of small throttle valves
3.1.4 MEZ-DAMPER VALVE RG
MEZ-DAMPER VALVE RG 10
with spring bolt/short and elongated thread bolts/short
Art.-Nr. Material Valve VPE Weight
breadth mm units kg /unit
330 Galv. steel 250 10 0,060
MEZ-DAMPER VALVE RG 12 L
For interior insulation of air duct systems
with spring bolt/long and elongated thread bolts/long
Art.-Nr. Material Valve VPE Weight
breadth mm units kg /unit
330/1 Galv. steel 250 10 0,060
MEZ-DAMPER VALVE RG 20
with spring bolt/short and elongated bolts without thread/short
Art.-Nr. Material Valve VPE Weight
breadth mm units kg /unit
331 Galv. steel 350 10 0,120
MEZ-DAMPER VALVE RG 22 L
For interior insulation of air duct systems
with spring bolt/long and elongated bolts without thread/long
Art.-Nr. Material Valve VPE Weight
breadth mm units kg /unit
331/2 Galv. steel 350 10 0,120
Workmanship + Assembling:
- Ideal for rectangular and circular air duct systems
- Easy to fasten onto the duct wall using screws
- The throttle valve is blocked effectively through an
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easy adjustment, thereby avoiding vibrations

2. 3.1 MANUAL ADJUSTER for valves
3.1
REGULATION OF AIR FLOW
Easy and practical manual adjuster for the manufacture
of large valves
3.1.4 MEZ-DAMPER VALVE RG
MEZ-DAMPER VALVE RG 30
For large valves
with spring and square bolts (long bolts on request)
Art.-Nr. Material Valve VPE Weight
breadth mm units kg /unit
332 Galv. steel 500 10 0,150
MEZ-DAMPER VALVE RG 60
For large valves
with square bolts 12 x 12 mm and bolts 12 mm Ø
and a long armed lever for easy operation
Art.-Nr. Material Valve VPE Weight
breadth mm units kg /unit
333 Galv. steel 700 1 0,378
Workmanship + Assembling:
- Ideal for rectangular and circular air duct systems
- Easy to fasten onto the duct wall using screws
- The throttle valve is blocked effectively through an easy
adjustment, thereby avoiding vibrations
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