Description :
- For general information concerning the operation of hydrobloc control valve, please consult our general manual (series K)
- Extensive range includimg two different design :
– XG design
– Large flow capacity
– Low head loss
– Watertight at zero flo rate
– XGS design :
– Particularly suitable for pressure reduction
– Better cavitation resistance
– Watertight at zero flow rate
Construction
- Self-lubricated double quided mobile unit
- Ductile iron body and bonnet
- Stainless steel seat for standard version until DN 400 XG desig 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 posiotion indicator with manual drain
- Including isolating valve (s) for pressure gauges
- Equipped with opening speed controller “RO” (DN50 to 300 XG design and DN 150 to 400 XGS design only)
- Chamber isolating valve independent from the adjusment 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 +1°C to +65°C
- Setting 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 standards EN 1092-2 and ISO 7005-2; ISO PN 10, 16 or 25 for DN50 to 1000 (other drillings, please consults us)
- Fluid : Drinkin water or 2 mm filtered untreated water
- Working Pressure 25 Bar
- Vertical and horizontal installation
- The valve body of PN 16 and PN25 are the same, the difference are on flange drilling and pilot circuit
Specifications
- XGS design :
– B : 606 mm
– C : 657 mm
– D : 278 mm
– Weight : 250.1 kg