Flowserve SX-Series SuperNova Manuel d'utilisateur télécharger pdf (Page 3)

Flowserve Corporation 765 South 100 East Phone: 801 373 3028

Flow Control Division Provo, Utah 84606-6160 Facsimile: 801 489 2228

Automation Business Unit www.owserve.com Email: actuators@owserve.com

Automax Valve Automation Systems

Installation, Operation and Maintenance Instructions

Page 3 of 4

Spring Return (Fail CW)

Applying air pressure to Port 2 drives the pistons outward,

which compresses the springs and turns the pinion

counterclockwise as the air volume on the outside of the

pistons exhausts through Port 1.

Exhausting the air pressure from Port 2 allows stored energy

of the springs to drive pistons inward, turning the pinion

clockwise. Air volume on outside of pistons vents through

Port 1.

Operation

(as viewed from top of actuator)

Double Acting

Applying air pressure to Port 2 drives the pistons outward,

which turns the pinion counterclockwise as the air volume on

the outside of the pistons exhausts through Port 1.

Applying air pressure to Port 1 drives the pistons inward, which

turns the pinion clockwise as the air volume on the inside of

the pistons exhausts through Port 2.

Exhausting the air pressure from Port 2 allows stored energy

of the springs to drive pistons inward, turning the pinion

counterclockwise. Air volume on outside of pistons vents

through Port 1.

Spring Return (Fail CCW)

Applying air pressure to Port 2 drives the pistons outward,

which compresses the springs and turns the pinion clockwise

as the air volume on the outside of the pistons exhausts

through Port 1.

LMR0021-1 (AUTO-6) 11/01

1 2 3 4

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Flowserve SX-Series SuperNova Manuel d'utilisateur Page 3