Brochure

F-27855-10252
Guide Specification Text
F-27990-4 tc 10
© 2019 Schneider Electric. All rights reserved. All trademarks are owned by Schneider Electric Industries SAS or its
affiliated companies.
M. 2 ½”…6” Cast Iron Flanged Globe Valve Body (and other valves) Non-Spring
Return (NSR) Linear Electronic Valve Actuators with linkage
[Schneider Electric Forta M800A and M1500A Tall U-Bolt Actuators]
1. Manufactured, brand labeled or distributed by Schneider Electric.
2. Actuators are to be either floating SPDT control or proportional control 0…10, 2…10
Vdc or 4…20 mA with a 500-ohm resistor included.
3. Actuators are to direct/reverse acting with selectable DIP switch.
4. Actuators are to have 180 lb. (800N) or 337 lb. (1500N) of force.
5. Actuators will need a 24 Vac or Vdc power supply.
6. Actuators are to be rated NEMA 2, vertical mount only.
7. Actuators must have manual override to allow positioning of the valve.
8. Actuators must have selectable valve sequencing and flow curves of either equal
percentage to linear. A 2…10 Vac feedback.
9. Actuators must have [Internal torque protection throughout stroke.
10. The operating temperature is to be:
a. 122°F (50°C) For chilled water applications
b. 113°F (45°C) ambient at 281°F (138°C) fluid temperature
c. 107°F (42°C) ambient at 300°F (149°C) fluid temperature
d. 100°F (38°C) ambient at 340°F (171°C) fluid temperature
11. 90°F (32°C) ambient at 366°F (186°C) fluid temperature
12. Actuator agency listings (North America) UL873, cULus, RCM, CE
N. Pneumatic Globe Valve Actuators
[Schneider Electric MK Series die-cast aluminum housing actuators]
1. Manufactured, brand labeled or distributed by Schneider Electric.
2. Pneumatic actuators must have field replaceable neoprene diaphragms.
3. All actuators shall be Spring Return (SR) with the spring retracting actuator shaft
and raising the valve stem on loss of are pressure.
4. Actuators must have an operating temperature of -20…220°F (-29…104°C)
5. Actuators shall be models with 6 sq. in. 11, 50 and 100 sq. in effective area for the
psi to push against.
6. Actuators may not “spark” under normal conditions.
7. Actuators must except an optional positive pilot positioning relay.
8. Actuators will have a maximum air pressure of 30 psig.
9. Actuators must have models with spring ranges for typical HVAC applications.
O. Pneumatic Damper Actuators
[Schneider Electric MK-0000 die-cast aluminum housing actuators]
1. Manufactured, brand labeled or distributed by Schneider Electric.
2. Pneumatic actuators must have field replaceable neoprene diaphragms.
3. All actuators shall be Spring Return (SR) with the spring retracting actuator shaft on
loss of are pressure.
4. Actuators must have an operating temperature of -20…160°F (-29…71°C)
5. Actuators shall be models with 8 sq. in. 11, 20 and 40 sq. in. (dual mounted)
effective area for the psi to push against.
6. Actuators may not “spark” under normal conditions.
7. Actuators must except an optional positive pilot positioning relay. Relay is to be
standard on 20 sq. in. models.
Guide Specification Text
Pg. 10