KEYSTONE F89 PNEUMATIC QUARTER-TURN ACTUATOR GENERAL PURPOSE / HAZARDOUS AREA

FEATURES : 

•Direct mounting to all Keystone butterfly valves and ball valves.

• Valve connection compatible with Keystone (imperial and metric) and ISO 5211.

• Double Rack and Pinion design nullifies side loads on the pinion shaft, minimizing bearing wear and extending life.

• Optimized product flow with standard mounted travel stops for valve position adjustment in open and close position (+/- 5 o at each end).

• Optional Linear Travel Stops to further reduce the angles of rotation are available on request.

• Anodized aluminium body with electrostatic powder coating (ESPC) finish provides durable protection against corrosive environments.

• Double acting and spring return versions available for cost effective and safe operation.

• Up to 12 individual springs offer flexible torque range for both ball as butterfly valves.

• Pre-compressed spring design and anti-blowout drive pinion means safe maintenance and operation.

TECHNICAL DATA :

Torque output range:

Double acting: 11 - 4173 Nm (97 - 36955 in·lb)

Spring return: 6 - 1663 Nm (51 - 14729 in·lb)

Operating medium: Compressed air or Nitrogen (dry or lubricated)

Air supply pressure:8.3 bar (120 psi) max. dynamic 10 bar (145 psi) max. static

Travel adjustment: +/- 5° at each end of travel Extended Travel Stops are available on request: Double Acting and Spring to Close (CW) - Adjustment from 30° - 90° of rotation (Open stroke only) Spring to Open (CCW) - Adjustment from 60° - 0° of rotation (Closed stroke only

Temperature range (General purpose): -20°C to +80°C (-4°F to +176°F)

High temp version: -15°C to +150°C (5°F to +302°F)

Low temp version: -40°C to +65°C (-40°F to +149°F)

Extreme low temp version: -52°C to +65°C (-62°F to +149°F)

Certification: ATEX II 2G Ex h IIC T80°C Gb ATEX II 2D Ex h IIIC T80°C Db