Siemens EA 746 Series Especificações descarregar pdf (Página 14)

POWERS™ Controls No. 3 Pneumatic Damper Actuator Technical Instructions

Document Number 155-146P25

September 18, 2008

Siemens Building Technologies, Inc. Page 3

Specifications,

Continued

Operating

Nominal spring ranges 3 to 7 psi (21 to 50 kPa)

5 to 10 psi (35 to 69 kPa)

8 to 13 psi (55 to 90 kPa)

Operating te

mperature -20°F to 160°

F (-29°C to 71°C)

Air connection Straight barb fitting for 1/4-inch OD

plastic tubing installed in 1/8-inch NPT

opening

Miscellaneous

Shipping Weight:

Basic actuator 1.3 lb (0.58 kg)

Actuator with extended shaft mounting 3.1 lb (1.4 kg)

Actuator with fixed bracket 2.5 lb (1.1 kg)

Actuator with fixed bracket and clevis 2.7 lb (1.2 kg)

Actuator with extended shaft mounting

and Positio

ning Relay 4.8 lb (2.2 kg)

Dimensions See Figures 4 throug

h 8

Accessories

Linkage kit, 4-inch link and crank 331-958

Linkage kit, 4-inch rod, ball joint and crank 331-947

Damper shaft crank, selectable radius, 45°, 60°, and 90°, angular

rotation for 3/

8 to 1/2-inch (10

to 13-mm) diameter damper shafts

331-941

Damper shaft crank, adjustable radius 3/4 to 2-7/8 inch (19 to 73 mm)

for 1/2-inch (13-mm

) diameter damper shafts

331-795

Damper shaft crank, adjustable radius 3/4 to 4-5/8 inch (19 to 177 mm)

for 3/8-inch (9 mm) diam

eter damper shafts

331-805

Damper shaft extension, 1/2 × 9 inches long 333-042

Damper shaft extension, 1/2 inch shaft 331-631

Damper shaft extension Adapter, for 3/8 inch shaft 331-632

Pivot mounting kit (bracket and three mounting screws) 333-148

Pivot post 333-139

Fixed mounting bracket 331-916

Extended shaft mounting plate 331-033

Clevis, steel 333-207

Clevis, forged 331-292

Clevis pin 331-293

Clevis, frame mounting 331-653

Hitch pin 331-807

12-inch Damper actuator push rod 338-041

15-inch Damper actuator push rod 338-042

18-inch Damper actuator push rod 338-043

24-inch Damper actuator push rod 338-044

36-inch Damper actuator push rod 338-045

48-inch Damper actuator push rod 338-046

Damper blade rocker arm 333-034

Positioning relay 147-2000

Relay mounting kit 147-104

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 32 33

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