Flowserve SNA250 Manual de usuario descargar pdf (Pagina 2)

2005, Flowserve Corporation, Printed in USA

Automax Valve Automation Systems

Installation, Operation and Maintenance Instructions

Flowserve Corporation 1350 N. Mountain Springs Parkway 1978 Foreman Dr.

Flow Control Division Springville, Utah 84663-3004 Cookeville, TN 38501

www.flowserve.com Phone: 801 489 2233 Phone: 931 432 4021

FCD AXAIM0005-00 (LMR0014-1) (AUTO-5) 03/05 Page 2 of 4

Operation (as viewed from top of actuator)

Double Acting

Applying air pressure to Port 1 drives the pistons Applying air pressure to Port 2 drives the pistons

outward, which turns the pinion counterclockwise as inward, which turns the pinion clockwise as the air

the air volume on the outside of the pistons exhausts volume on the inside of the pistons exhausts through

through Port 2. Port 1.

Spring Return (Fail CW)

Applying air pressure to Port 1 drives the pistons Exhausting the air pressure from Port 1 allows

outward, which compresses the springs and turns stored energy of the springs to drive pistons inward,

the pinion counterclockwise as the air volume on the turning the pinion clockwise. Air volume on outside

outside of the pistons exhausts through Port 2. of pistons vents through Port 2.

Spring Return (Fail CCW)

Applying air pressure to Port 1 drives the pistons Exhausting the air pressure from Port 1 allows stored

outward, which compresses the springs and turns energy of the springs to drive pistons inward, turning

the pinion clockwise as the air volume on the outside the pinion counterclockwise. Air volume on outside of

of the pistons exhausts through Port 2. pistons vents through Port 2.

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Flowserve SNA250 Manual de usuario Pagina 2