Flowserve 10 ACCESS I Worcester Controls Manuale Utente Scaricare il pdf (Pagina 5)

WCAIM2028 10, 15, 20 ACCESS I and 10-40 Access M 39 Actuators Intrinsically Safe 5

Flow Control

Worcester Controls

Figure 3 continued

FAIL-CLOSED

(Sizes 10–40 in-line operation)

(Sizes 25–40 cross-line operation)

No solenoid

FAIL-OPEN

(Sizes 10–20 in-line, inverted operation)

No solenoid

FAIL-OPEN

(Sizes 10–20 cross-line operation,

or with in-line coupling)

(Sizes 25–40 in-line operation)

No solenoid

FAIL-CLOSED

(Sizes 10–20 cross-line,

inverted operation)

No solenoid

SOLENOID/NO SWITCHES

FAIL-CLOSED

(Sizes 10–20 cross-line, inverted operation)

FAIL-OPEN

(Sizes 10–20 cross-line operation,

or with in-line coupling)

(Sizes 25–40 in-line operation)

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