GUN+ Annular Valve

GUN+® Annular Valve for Flow and Pressure Regulation (Handwheel or Motorized Version)

The GUN+® annular valve is specially designed for control safe and efficient discharge pressures and flow rates.

It excels in two main functions:

• By reducing the flow section, the valve modifies the flow rate, the speed and water pressure. This variation can generate increased stresses within the valve. Thus, it is essential that it is designed to avoid any potential damage due to cavitation.
• To ensure accurate pressure and flow management, the flow through the valve must remain as linear as possible over the entire range of use.

Main applications:

• Water transport and distribution< /li>
• Dams and hydraulic power production
• Industrial water networks
• Wastewater treatment
• Air regulation (e.g. , activated sludge treatment plants)

Advantages of GUN+®:

• Low pressure losses
• Silent dissipation of hydraulic energy in all operating conditions
• Stability of the internal mechanism thanks to special brass guide rails, guaranteeing a total absence of vibrations
• Precise, linear regulation, with complete cavitation control over the entire stroke
• High quality components, including a stainless steel internal mechanism

Available range:

• Nominal diameter (DN) from 100 to 2500
• PFA from 10 to 40
• Higher operating pressures available on request (CLASS 900, PN160)
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Technical characteristics:

• Flanges drilled according to ISO PN standards (EN 1092-2 and ISO 7005-2)
• Use temperatures: from 0 °C to +70 °C
• Perfect seal at flow null
• Complies with standard NF EN 1074-4
• Maximum flow speed: up to 7 m/s
• Insert options for heat dissipation energy (custom-made or standard)
• Profile or finned seat to concentrate cavitation in the flow

Standards and certifications:

• ACS certification
• DVGW certified components

Variants and options:

• Different coatings available
• Duplex internal materials