DESCRIPTION
- Bidirectional knife gate valve.
- Valve suitable for use as end-of-line.
- Monobloc cast iron body.
- Stainless steel through-conduit gate.
- Two rubber sleeves.
- Provides high flow rates with low pressure drops.
- Various seat materials available.
- Face-to-face distance in accordance with AAP Techniks.
GENERAL APLICATIONS
This knife gate valve is suitable for working in the mining industry, in loaded fluid transport lines such as water with stones, sludge, etc, and, in general, for abrasive fluids in the chemical industry and waste water.
Designed for the following applications
- Mining services
- Sewage treatment
- Electrical power stations
- Chemical plants
- Energy sector
- Thermal power stations
SIZES
ND50 a ND1500 (larger sizes to order).
WORKING PRESSURE
(∆P)
- ND 50-600 = 10 bar 10Kg/cm2
- ND 700-900 = 4 bar 6Kg/cm2
- ND 1000-1500 = 2 bar 4Kg/cm2
The pressures indicated in the table can be used in either of the valve’s two directions..
FLANGE BOREHOLE
ND PN10 & ANSI B16.5 (150 LB)
OTHER COMMONLY USED
ND PN 6, ND PN 16, ND PN 25, JIS standard , Australian stan- dard, British standard.
DIRECTIVES
Pressure Equipment Directive:
Potential Explosive Atmospheres Directive:
- (ATEX)CAT.3 ZONE 2 and 22 GD
QUALITY DOSSIER
All valves are tested hydrostatically at AAP Techniks and material and test certificates can be provided.
- Body test = working pressure x 1.5.
- Seal test = working pressure x 1.1.