Unit Type:
Nova Scotia
Nova Scotia

Used Bettis Gas Hydraulic Actuator

Model 56DHX

2009 manufacture date

Rated for 2700 psi @ 500F

Removed from offshore gas platform

$7800 cad

Emerson Process Management – Valve Automation is recognized worldwide

for the reliability of its actuators under the most demanding conditions. The

gas/hydraulic products epitomize the quality and performance required for

controlling high pressure natural gas pipelines in remote locations and under

severe climatic conditions.

Bettis gas/hydraulic actuators are used to automate valves located on gas

transmission pipelines, often travelling hundreds of miles through inhospitable

areas where there are no low pressure instrument air or high pressure hydraulic

supply lines available. Bettis actuators are available in either rotary, quarter-turn

models or in linear models.

The gas/hydraulic actuators operate using pressurized gas from the pipeline

as its power source, requiring reliability and safety features built into the valve

operator system. Since the line gas is a potential hazard, Bettis actuators use a

clean, non-explosive hydraulic fluid as an oil barrier rather than direct line gas.

Features and Benefits

High Pressure – Uses a high pressure gas supply (typically from gas pipeline)

as power source.

 Excellent sealing – All models have zero leak pistons and rod seals with

materials selected to suit application .

 High torques and thrusts – Rotary quarter-turn models have torques to

6,000,000 lb. in (678,000 Nm)and linear models with thrusts up to 650,000

lbs (2,891,200 N).

 Adaptability – Adaptable for all types of gas compositions including sour

(NACE) and wet gas.

 Aluminum alloy actuator body and controls – – For exceptional corrosion

resistance and low temperature applications.

 Many control system options – including remote control, high/low shutoff

and linebreak.

 Hydraulic hand pump for emergency operation.

 Piston with non-metallic wear ring to prevent piston/cylinder scuffing.

Reliable tanks – Bettis actuators use pressure vessels manufactured and

certified (U stamp) to ASME Section VIII as standard.

 Standard operating temperature is -50°F to 150°F (-46°C to + 66°C).

Standard operating pressure to 1,440 PSIG.

Please contact for more information

For all purchase inquiries, please contact us via email at or telephone at (403) 771-3984

  • 5% GST (Goods & Service Tax) where applicable on all sales will be applied.
  • International tax exemption rules will apply.
  • Buyer will receive an invoice immediately following confirmation, wiring instructions for payment will accompany.
  • All purchases will be Exworks from location, nothing will be released until payment in full is received and cleared ENERGY AUCTIONS IN TRUST.
  • All sales will be handled in Canadian Funds.
  • All items are sold "as is, where is" unless otherwise stated in "details description".
  • It is strongly recommended that buyer's preview items before purchasing.


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