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  • Users: Baram
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  1. Baram

    Air Release Valve - 1/2" installed upstream water meter

    Hi All, I have old air valves integrated with plastic check valve in the air valve outlet, size 1/2" brand SPANNER -POLLUX , this air vent is isntalled before house hold water meter, to improve& protect the water meter from air damages as our country depends on dis-continous flow for water...
  2. Baram

    air release valve installed before doemstic water meter - 1/2"

    Hi All, I have old air valves integrated with plastic check valve in the air valve outlet, size 1/2" brand SPANNER -POLLUX , this air vent is isntalled before house hold water meter. The problem that I need replacements of these but the manufacturer have stopped the production 10 years back, so...
  3. Baram

    Class #400 air valves for clean water pipeline

    Hello All, Please note that I have waterworks application and there are some areas approx. 10 miles length with total elevation (-)620 meters, gravity pressurized line so the working pressure there exceed 60 bars of water pressure and we would like to fix some air release valve to eleminate the...
  4. Baram

    Air Release Valves for potable water

    Hello All, I have potable water application on duty, pipe size 32 inches and this line 25 years old from ductile iron material. Pipeline depends on gravity and there are 8 miles distances with negative elevations, the line intake from reservoir to feed the system and house connection. Water...
  5. Baram

    Gaskets for potable water flanged ductile iron pipes

    Hello .. I would like to know which is better gaskets EPDM or synthatic fiber rubber? as I have ductie iron flanges pipes and flanges fittings, I want fix gaskets between flanges for sealing. The medium is potable water, max. pressure 25 bars, pipe dia 500mm, temprature 40-50 C degree.
  6. Baram

    Ultrasonic flow meters - high temprature countries for house connections - Water

    Hello All, I would like to ask about disadvantages of using ultrasonic flow meters for househeld connections in hot climate. application: domestic water Water pressure: 30 psi water source: desalinated water meter location: outside of buildings and fixed in plastic box in the wall. The problem...
  7. Baram

    Calculating GRP pipe diameter

    Hi all, Could you please advise how I can calculate GRP pipe diameter? I have application submersible pump for sewage water, flow rate 200 L/S, pressure is 10 bars, Pipe line length is 200 meters. Thanks in advanc, Baram
  8. Baram

    Pressure reducing valves OR plunger type control valves

    Hello all, If there is application to reduce pressure from 140 psi bar 85 psi, can we use pressure reducing valve (diaphragm type) OR plunger type control valve. On the otherhand please find my clarifications as below: 1. what are the main feature for each valve type in this application? 2...
  9. Baram

    Pilot for PRV or direct acting pressure reducing valve

    Hi Our Experts, I have pilot operated pressure reducing valves 6" , brand is ,pilot model 1340 , pilot spring range 20-80 psi is damaged, My question is : can I use another manufacturer for directing acting pressure reducing valve size 1/2" instead of the pilot. pilot port size is 1/2". In...
  10. Baram

    Pilot of Pressure Reducing Valves Vs direct acting pressure reducing

    Hi Our Experts, I have pilot operated pressure reducing valves 6" , brand is ,pilot model 1340 , pilot spring range 20-80 psi is damaged, My question is : can I use another manufacturer for directing acting pressure reducing valve size 1/2" instead of the pilot. pilot port size is 1/2". In...

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