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Spring to Centre Actuators
Kinetrol's spring to centre models have a patented part-turn rotary actuator that is driven to an end stop in any direction from an initial centre position. Once the air supply is removed, it’s spring returned to an accurate and positive midpoint. The operator can mechanically choose this mid-position.
Materials of Construction
Casing:
Models 0M0, 01, & 02 - Pressure die cast ZL16 zinc alloy.
Models 03, 05, 07, 08, 09, 10, 12, 14, 15, 16, 18, 21, 30, 40 & 60 - Die cast or sand cast aluminium alloy.
Vane & Output Shaft:
Models 0M0, 01, 02, 03 and 05 - Stainless steel.
Models 07 to 60 - SG iron, zinc plated.
Shaft bushes: PTFE coated bronze (lead free).
Seals: Moulded polyurethane.
High and low temperature seals also available - contact Kinetrol.
Seal expanders: Stainless spring steel.
Couplings: Weldable mild steel, zinc plated.
Working Temperature Range
Standard: -40°C to +80°C (-40°F to +176°F).
High temperature option: -20°C to +100°C (-4°F to +212°F) using temperature seals
for higher temperatures with special equipment - contact Kinetrol.
If consulted Kinetrol may, under certain circumstances/conditions, be prepared to extend its
high temperature limits
Low temperature option: -54°C to +60°C (-65°F to +140°F) using temperature seals
include option “W” at end of actuator coding.
Maximum Pressure
Maximum recommended working pressure: 7 bar / 100 psi
Maximum overload pressure: 10 bar / 150 ps
Casing:
Models 0M0, 01, & 02 - Pressure die cast ZL16 zinc alloy.
Models 03, 05, 07, 08, 09, 10, 12, 14, 15, 16, 18, 21, 30, 40 & 60 - Die cast or sand cast aluminium alloy.
Vane & Output Shaft:
Models 0M0, 01, 02, 03 and 05 - Stainless steel.
Models 07 to 60 - SG iron, zinc plated.
Shaft bushes: PTFE coated bronze (lead free).
Seals: Moulded polyurethane.
High and low temperature seals also available - contact Kinetrol.
Seal expanders: Stainless spring steel.
Couplings: Weldable mild steel, zinc plated.
Working Temperature Range
Standard: -40°C to +80°C (-40°F to +176°F).
High temperature option: -20°C to +100°C (-4°F to +212°F) using temperature seals
for higher temperatures with special equipment - contact Kinetrol.
If consulted Kinetrol may, under certain circumstances/conditions, be prepared to extend its
high temperature limits
Low temperature option: -54°C to +60°C (-65°F to +140°F) using temperature seals
include option “W” at end of actuator coding.
Maximum Pressure
Maximum recommended working pressure: 7 bar / 100 psi
Maximum overload pressure: 10 bar / 150 ps
ADDITIONAL INFO
