GE gea31409 Broschüre PDF herunterladen (Seite 4)

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Simple Rugged Versatile Design

Simple Enclosed Housing

Enclosed actuator housing protects

linkage from the elements and is

safer for station personnel

Spring and Diaphragm

Actuator

Large diaphragm area requires low

supply pressure and low transient

consumption.Spring loaded fail safe

is easily field reversible

Blowout-Proof Shaft

The shaft is designed so that it can

not blow out, even with the actuator

and packing follower removed

Splined Stem Connections

A durable and accurate involute spline

connects the stem to the ball and

torque arm. Unlike pins or keys, concen-

trated stresses are avoided to ensure long

trouble-free service

High Turndown

The segmented ball design with the

v-notch characteristic offers high wide-

open capacity and optimal low-end control

resulting in total turndown in excess of

300:1

Soft or Metal Seat Design

Easily interchangeable soft seat

(standard) offering Class VI shutoff, or

stainless steel seat (optional) offering

Class IV shutoff

Position Indication

Visible rotary indicator allows quick

visual inspection of valve position

Flanged or Flangeless Design

Integral flange (150 and 300 Class) and

flangeless (150, 300, and 600 Class) end

connections available

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