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Control systems Pneumatic actuators
How to order Ordering a TN2000 Series Actuator
Type
TN
TN
Series
2 = 2000 series
2 2 7
Actuator size
2 = 993 cm 2
Valve travel
7 = 70 mm
7 = with spring
Spring rating
7
N = double-acting (no spring)
SE = Single-acting, spring-extend
SR = Single-acting, spring-retract DE = Double-acting, spring assisted (extend) DR = Double-acting, spring assisted (retract) DA = Double-acting, no spring
Action
SE
Manual override
H = Handwheel (optional) not available for the NDA version
Ordering example: 1 off Spirax Sarco TN2277SE pneumatic piston actuator.
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TI-P327-01 CTLS Issue 5
Page 6 of 7
TN2000 Series Pneumatic Piston Actuators for DN125 to DN300 SPIRA-TROL Series Control Valves
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