Specification: 

Products: damper handle

Material: galvanized steel

Square hole dimension(match with blade square shaft): 10mm/12mm

Material thickness: 1.0mm

The mould(die) used with press machine for the handle can be offered. 

Pictures: 

Damper related accessories: 

damper actuator (manual&automatic, semi-automatic) 

1, manual-electrical signal fire damper actuator

2, manual fire damper actuator

3, semi-auto fire damper actuator

4, semi-auto 2-movements smoke fire damper actuator

5, automatic fire damper actuator

6, automactic 2-movements smoke fire damper actuator

7, actuator for air damper, volume control damper

copper bush: 

square hole dimension: 10mm/12mm

square shaft:

diameter: 10mm/12mm

angel lapping

linkage pieces: 

"I" connecting rod

"Z" connecting rod

connecting piece

snap spring

for the damper manufacture machine, please refers to: 

DAMPER FRAME MACHINE

DAMPER BLADE MACHINE

DAMPER FASTENING TABLE

fore more details, please contact us: