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Hydrogen Air Actuators

Designed for remote control, BuTech air operators are virtually maintenance free – ideally suited for service in limited access areas. Their compact size and weight permits installation where space or weight is at a premium. Also available with limit switches and solenoid valves.

The single-acting actuators have a fail-safe feature:  The Air-to-Open actuator closes the valve on loss of operating pressure, while the Air-to-Close actuator opens the valve on loss of operating pressure. These safety features are necessary in critical systems.

Haskel offers specialized BuTech Air Actuators designed for high-pressure hydrogen applications, providing remote control and maintenance-free operation for valves in limited-access areas. These actuators are often paired with hydrogen-rated needle valves and are capable of handling pressures up to 20,000 PSI (1,380 bar).

Key Features of BuTech Air Actuators

  • Fail-Safe Operation: Single-acting models include built-in safety features where the "Air-to-Open" actuator closes the valve upon loss of operating pressure, and the "Air-to-Close" model opens the valve.
  • Compact & Lightweight: Their design allows for installation in tight spaces where weight is a concern.
  • Hydrogen Compatibility: They are engineered with specific materials to resist hydrogen embrittlement, ensuring long-term reliability in critical systems.
  • Remote Control: Ideal for hazardous or hard-to-reach environments where manual valve operation is not feasible.

 

Valve Model

Normally Open Air-to-Close Actuators psi (bar)

Normally Closed Air-to-Open Actuators psi (bar)

Double-Acting Pneumatic Actuators psi (bar)

ATC5

ATC8

2XATC5

ATO5

ATO8

2XATO5

DA5

DA8

2XDA5

20UV4- 20UV6

MAWP

PSI (BAR)

18,000

(1241)

-

-

18,000

(1241)

-

-

18,000

(1241)

-

-

Req’d Actuator Pressure

PSI (BAR)

74

(5)

-

-

82

(6)

55

(4)

-

63

(4)

-

-

20UV9

MAWP

PSI (BAR)

18,000

(1240)

18,000

(1240)

18,000

(1240)

10,000

(689)

18,000

(1240)

18,000

(1240)

18,000

(1240)

-

18,000

(1240)

Req’d Actuator Pressure

PSI (BAR)

100

(7)

49

(3)

55

(4)

84

(6)

58

(5)

67

(5)

98

(7)

-

49

(5)

20V12

MAWP

PSI (BAR)

-

18,000

(1240)

10,000

(689)

-

12,500

(860)

10,500

(720)

-

18,000

(1240)

12,000

(830)

Req’d Actuator Pressure

PSI (BAR)

-

100

(7)

90

(6)

-

66

(1)

79

(5)

-

-

89

(2)

20V16

MAWP

PSI (BAR)

-

12,000

(830)

8,000

(550)

-

7,500

(520)

-

-

12,000

(830)

-

Req’d Actuator Pressure

PSI (BAR)

-

100

(3)

52

(4)

-

66

(5)

-

-

89

(4)

-

 

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