Description
- For general information concerning the operation of a Hydrobloc control valve, please consult our general manual series K)
- Extensive range including two different design :
– XG Design :
– Large flow capacity
– Loq head loss
– Watertight at zero flow rate
– XGS design :
– Particularly suitable for pressure reduction
– Better cavatation 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 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 controller “RO” (DN 50 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 dismanting from the top
- Drain plug (stainless steel)
Product according to standard EN 1074-5
Technical Data
- Range DN 200 for XG design and XGS desingn
- PN 25
- Maximum temperature +1°C +65°C
- Seating: class A according to standard ISO 5208-2
- Face to face dimensions according to standard EN 558-1 series 1 (except DN 1000) and ISO 5752 series 1 (except DN 1000)
- Flange drilling according to standard 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 and horizontal installation
- The valve body of PN 16 and Pn 25 are the same, the difference are on flange drilling and pilot circuit
Specifocations
- XGS design
– B : 835 mm
– C : 847 mm
– D : 367 mm
– Weight : 600 kg