Description
- For general information concerning the operation of a Hidrobloc control valve, please consult our general manual (series K)
- Extensive range including two different designs :
– XG design
– Large head loss
– 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
- Indiviadually 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 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
- Range for XG design and XGS design
- PN 25
- Maximum temperature +1°C to+65°C
- Seating class A 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 installation
- The valve body of PN 16 and PN 25 are the same, the difference are on flange drilling and pilot circuit
Specification
- XGS design :
– B : 606 mm
– C : 657 mm
– D : 312 mm
– Weight : 271.1 kg - XG design :
– B : 835 mm
– C : 847 mm
– D : 355 mm
– Weight : 540.0 kg