Industrial pressure reduction station 

Basic PRS Unit 

PRS PRS

 

 

 

 

 

 

Note: heater and water circulation system not shown but included in package

ATLAS COPCO CNG SOLUTIONS  - DAUGHTER  Station ​

Pressure Reducing System 

Proven reliable Atlas Copco regulating valves

Two steps pressure reduction and does pre-heating of the gas before regulation to eliminate hydrate formation or throttling (Joules Thomson) effect at pressure drops  and keeping a constant discharge pressure

Pressure reduction from 250 / 300 bar g  -  1 bar to 50 bar g

Atlas Copco proven “non-jamming” Intermech  non-return valves, incorporates cleanable SS mesh filters

Shell and tube TEMA class heat exchangers are used to carry out heating of the gas and hot water is used as the heating medium (not bulky water bath heater or online heater) very reliable and proven design

PLC based dual PRSs with automated controls for functioning with redundant water heaters for cross redundancy  

Seamless integration with Gas decanting equipment along with automated decanting electronic prioritization requirement

CNG Micro Motion R-series R100 Mass Flow meter or R200 Mass Flow meter at the outlet header

Tested to 1.5 times MAWP

Bullet proof - absolutely reliable pressure reduction solutions

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Typical  dual PRS assembly

Typical  dual PRS assembly

Principle Components - Features & Benefits

Pressure Reducing Station Is used basically to Reduce the pressure from the trailer and feed it at low pressure  between 0.5 to 8 barG  to run Power plants, gensets, Boilers

Pre-heating of the gas before regulation to eliminate hydrate formation at 

pressure drops

Non-return valves incorporate cleanable SS mesh filters

Proven reliable valves

Tube side operating fluid:            clean water - no expensive oil needed

Shell side operating fluid:             sweet natural gas

The range of pressures the trailer cylinders can be reduced to is 0.5-50 barG

In the event of water temperature drop the PRSP will automatically shut down 

preventing costly damage to tubes

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