Description
The Delta Elektrogas VS type is a pressure relief valve designed to reduce temporary pressure surge in burning appliances. The shutting-off of automatic valves or non-tightly closing of regulators can cause pressure increase; by releasing that overpressure in a relief line, VS valve enables the system to work properly again.
Feature
- The valve housing is made of aluminum alloy die-cast.
- Equipped with adjustable spring, so that relief pressure can be precisely set up on site.
- Pipe connections meet group 2.
- Designed for high relief flow.
- Suitable for use with air and non-aggressive gases included in the 1, 2 and 3 families (EN 437).
- Special versions for aggressive gases (like biogas or COG) are free of non-ferrous metals and provided with rubber part made of FKM (J version).
- Provided with pressure test points on two sides in the inlet chamber to connect manometers,
- pressure switches or other gas equipment.
- All components are designed to withstand any mechanical, chemical and thermal condition occurring during typical service. Effective impregnation and surface treatments are used to improve mechanical sturdiness, sealing, and resistance to corrosion of components.
- Valves are 100% tested and fully warranted
Specification
- Connections Gas threaded F/F ISO 7-1 Rp3/4 or Rp1
- Ambient temperature -15°C … +60°C
- Inlet – relief pressure
- Inlet pressure: 3 bar max
- Spring color {Relief pressure (mbar) }: Neutral(45 – 150) Orange(85 – 190) Blue(150 – 450) Black(400 – 1200)
- Discharge capacity : see datasheet
- Installation Horizontal (with settable spring upward) or vertical pipeline.
- Gas type Air, natural gas, town gas, LPG (gaseous) of families 1,2,3 (EN437). On request special version for biologically produced methane and COG.
- Weight 1.3 Kg
- Materials in contact with gas Aluminum alloy, Brass,Stainless steel,Plated steel, Polyamide, Anaerobic adhesive, Nitrile rubber (NBR), Fluoro elastomer (FPM), Polytetrafluoroethylene (PTFE)
Download Datasheet: Delta Elektrogas VS Pressure Relief Valve
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