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Pressure reducing valves series 684
 For the protection of:
- commercial and industrial plants against too high supply pressure.
Use of pressure reducing valves, when in a piping system inspite of varying pressures on the inlet side a specifi c pressure on the outlet side must be kept.
• compressed air supply plants
• pneumatic control units
• pressure booster plants air-side
• shipbuilding industry and offshore plants
Size: 1/4“ – 2“
Temperature range: – 10°C to + 120°C depending on version
Inlet pressure: up to 60 bar; Outlet pressure: 0,5 to 50 bar depending on version See more ...
Dry criogenic couplings
 Dry Cryogenic Couplings (DCCouplings) and Cryogenic Break-away Couplings (CBCouplings) are designed for use wherever it’s beneficial to connect and disconnect hoses and pipelines under pressure, quickly without spillage and additional tools.
Dry Cryogenic Couplings and Cryogenic Break-away Couplings are designed primarily for the use of cryogenic liquefied gases, e.g. LNG (-163ºC) and e.g. Nitrogen (-196º), where safety and reliability are of highest concern.
The Dry Cryogenic Coupling consist of a “tank” unit wich is a type of a non-return valve and a “hose” unit with a valve driven by an internal cam curve to open both valves at the same time. Operation is a single action using a straight forward turning motion to connect the couplings and open flow path. An initial push and turn action on the hose unit provides engagement with the tank unit, thus locking and sealing the two units together. Further rotation opening the internal valves, thereby allowing full flow with a minimum of pressure drop.
A selectivity (code) system allows the system to be used to a wide range of cryogenic liquefied gases without any risk of failure owing to “human error”.
• Container discharge; • Fuel bunkering; • Loading/unloading of tank trucks, rail tankers, bunkering and tank vessels; • Vapor recovery linesSee more ...

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Dais Global LTD is founded in 2005, we are leading company in:
- Supplying equipment and maintenance for fuel tank trucks, LPG tanks, bulk tanks, chemical tanks and other transport units for hazardous loads.OPW Market have also service station for maintaining the tank trucks
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