PRV BAYARD SIZE 8 INCH

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 XGS 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) for pressure gauges
• Equipped with opening speed cpntroller “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 1074-5.

Technical data

• Range DN 200 For XG design and XGS design.
• PN 25
• Maximum temperature +1⁰C to +65⁰C
• Seating: class A according to standard ISO 5208-2
• Face to face dimensions according to standards EN 558-1 series 1 ( except DN 1000 ) and ISO 5752 series 1 ( except DN 1000 )
• Flange drilling according to standards EN 1092-2 and ISO 7005-2: ISO PN 10, 16 or 25 for DN50 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 PN25 are the same, the difference are on flange drilling and pilot circuit

Specifications

• XGS design:
  – B^– : 351 mm
  – C^– : 443 mm
  – D^– : 182 mm
  – Weight : 81.9 kg
• XGS design:
  – B^– : 436 mm
  – C^– : 567 mm
  – D^– : 182 mm
  –Weight : 117.6 kg