Thiết bị truyền động chống cháy nổ STX Series (Quarter-turn explosionproof electric actuators), ĐẠI LÝ BERNARD CONTROLS VIỆT NAM

Thiết bị truyền động chống cháy nổ STX Series ( Quarter-turn explosionproof electric actuators)

Model: 

STX6

STX10

STX20

STX40

STX61

STX100

STX140

Thông số kỹ thuật:

Torque range:

• Multi-turn:
  •  direct mount :220 to 19450 lbs.in
  •  with gearbox : up to 221250 lbs.in
• Quarter-turn:
  •  direct mount : 1770 to 7080 lbs.in
  •  with gearbox : up to 4425350 lbs.in

Casing :

• Cast aluminium.
• Ductile cast iron for models ST175 / ST220

Ingress Protection:

• IP68 10m / 96h & NEMA 6 (C.S.A C and US certified)

Motor duty rating:

•  S4 - 30% for On/Off operation - up to 360 starts per hour
•  S4 - 30% for Inching/Positioning - up to 360 starts per hour
•  S4 - 50% for Modulating class III - up to 1,200 starts per hour

MECHANICAL SPECIFICATIONS:

• Gearing Self-locking at all speeds

Output flange:

•  Multi-turn actuators flanges comply with ISO 5210
•  Quarter-turn actuators flanges comply with ISO 5211
• Flanges for valve special top works available on request

Output drive:

• Removable sockets on SQX and STX models

Power supply:

• The actuators can operate on a wide variety of power supplies:
  •  3-phase , single-phase or DC,
  •  up to 690 V,
  •  50 or 60 Hz …

Cable entries:

• Standard configuration:
  •  power & signal : 1”1/2 NPT + 2x1”NPT
  •  fieldbus : up to 4x3/4”NPT

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