PRV BAYARD DN 50

Description

• For general information concerning the operation of a Hydrobloc control valve, please consult our general manual ( series K ).
• Extensive range including two different designs :
  – 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 bonnet
• Stainless steel seat for standard version until 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 +10⁰C to +65⁰C
• Seating : class A according to standard ISO 5208-2.
• Face -to-face dimensions according to standards EN 558-1 series 1 9 EXCEPT dn1000 ) and ISO 5752 series 1 ( except DN1000 ).
• Flange drilling according to standards 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 intallation
• 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