PRV BAYARD DN 50

Description

  • For general information concerning the operation of a hudrobloc control valve, please consult our general manual (series K)
  • Extensive range including two different design :
    – XG design:
    – Large flow capacity
    – Low head loss
    – Watertight at zero flow rate
    – XGS design :
    – Particularly suitable for pressure reduction
    – Better cavitation resistance
    – Watertight at zero flow rate

Construction

  • Self-lubricated double guided mobile unit
  • Ductile iron body and bonner
  • Stainless steel seat for standard version unti DN 400 XG design and DN 600 design
  • Powder epoxy coating
  • Stainless steel bolting
  • Stainless steel pilot circuit tube and fittings
  • Pilot circuit strainer with screen in stainless steel
  • Individually packed

Easy operation and maintenance

  • Visual position indicator with manual drain
  • Including isolating valve (s)
  • Equipped with opening speed controller “RO” (DN50 to 300 XG design, and DN150 to 400 XGS design only)
  • Chamber isolating valve independent from the adjustment of the speed controller
  • Maintenance without disassembly from the pipeline
  • Easy dismantling from the top
  • Drain plug (stainless steel)

Product according to standard EN 1074-S
Technical Data

  • Range DN 50 for XG design
  • PN 25
  • Maximum temperature +1°C to +65°C
  • Seating: class A according to standard ISO 5208-2
  • Face to face dimensions according to standards EN 558-1 series 1(except DN1000) and ISO 5752 series 1 (except DN1000)
  • Flange drilling according to standard EN 1092-2 and ISO 7005-2 ISO PN 10, 16 or 25 for DN 50 to 1000 (other drillings, please consult us)
  • Fluid: Drinking water or 2 mm filtered untreated water
  • Working Pressure 25 bar
  • Vertical & horizontal installation
  • The valve body of PN 16 and PN 25 are the same, the difference are on flange drilling and pilot circuit

Specifications

  • XG design
    – B : 173 mm
    – C : 238 mm
    – D : 845 mm
    – Weight : 14.7 kg

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