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Gas over Oil Actuated Ball Valve
  • Gas over Oil Actuated Ball ValveGas over Oil Actuated Ball Valve

Gas over Oil Actuated Ball Valve

LYV®️ Gas over oil actuated ball valve through a self-actuating actuator. By the pressure of the medium of the pipeline itself to actuate valve open and close. The product directly use natural gas inside of the pipeline as the air supply of pneumatic. The whole system design for high pressure. Through air supply filtering process without decompression.

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Product Introduction

LYV®️ Gas over oil actuated ball valve through a self-actuating actuator. By the pressure of the medium of the pipeline itself to actuate valve open and close. The product directly use natural gas inside of the pipeline as the air supply of pneumatic. The whole system design for high pressure. Through air supply filtering process without decompression. The gas directly into the gas tank and high-pressure control valve components. Under the action of the control signal, the high-pressure controlled gas enters the corresponding gas/liquid circuit. And by the principle of isobaric transmission of the liquid medium to realize the gas/liquid synchronous transmission, acting on the hydraulic cylinder of the valve drive device and controlling the valve.


The LYV®️ Gas over oil actuated ball valve can automatically monitor the pipeline pressure to realize automatic closure. The working principle is simple, the controlling is safe and reliable. And can meet the harsh conditions of outdoor weather. The product can reduce the risk of accidents and avoid further expansion of disasters in the applications of long-distance transportation pipeline and dangerous chemical medium pipeline.


Specifications

Mechanism type: 

Scotch Yoke

Applicable range of air supply pressure: 

0.4-16Mpa

Applicable range of Air supply medium: 

Non-acidic gases such as air,nitrogen, ornatural gas

Applicable range of Ambient temperature: 

-30℃~100℃, -55~150℃(optional)

Protection class: 

IP68

Explosive-proof grade: 

Exd IIC T4/T6

Accessories: 

Limit switch, positioner, electrical connector.

Signal interface: 

USB/RS232/485

Power supply: 

High energy battery, solar, external power source.

Applicable Valve type: 

Ball valve/Butterfly valve

Applicable Valve size range: 

DN50~DN600

Applicable Valve pressure range: 

150LB~1500LB, PN10~PN250

Connection Standard: 

ISO 5211

 

 

Features

■  Multi direction manual pump

■  Remote-local Isolation shift valve

■  Full welded hydraulic cylinder

■  Pneumatic control valve

■  Gas/liquid tank

■  Positioner

■  Parallel scotch yoke mechanical structure

■  Insulation filter



How does gas-over-oil actuator work?
Gas over oil actuators use high-pressure gas supplied from the pipeline suspended above a hydraulic fluid to move the mechanics of the actuator.


Can your product available in single-acting?
Our products can available both in double-acting and single-acting configurations.



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