DNS SKAS-80 Double Orifice Sewage Air Valve
Spec Sheet: DNS SKAS-80 Double Orifice Sewage Air Valve
DNS SKAS-80 Double Orifice Sewage Air Valve – Sewage Combination Air Release Valve – Double Orifice
The DNS-SKAS-80 is a double orifice combination air valve for sewage and wastewater networks, releasing and admitting large and small volumes of air to protect pressurised mains during filling, operation and draining.
Description
DNS SKAS-80 Double Orifice Sewage Air Valve – Sewage Combination Air Release Valve
Features:
• Double orifice combination air valve providing three functions: large air release during filling, small air venting under pressure, and large air intake during draining
• Aerokinetic mechanism resists sudden closure even up to sonic air velocity
• Ductile iron body with improved flow characteristics
• Unique body design prevents solids from blocking the internal operating parts
• Dynamic sealing pressure of 0.05 bar for improved sealing under low pressure
• 80mm flanged PN16 inlet with female outlet
• 3/8” stainless steel drain-off ball valve
• RAL 5005 fusion epoxy coated throughout to 250 microns
• In accordance with EN-1074-4; each valve tested in house and certified before despatch
General Application:
Suitable for sewage and wastewater networks, industrial applications, treatment works, and pumping stations for air relief and vacuum prevention.
Specifications
| Size Range | 80mm (DN80) Flanged PN16 |
|---|---|
| Pressure Ratings | Maximum 25 bar, minimum 0.05 bar (dynamic sealing 0.05 bar) |
| Working Temperature | -10°C to 80°C |
| Suitable Media | Sewage, wastewater, raw sewage and industrial fluids |
| End Connection | 80mm flanged PN16 inlet with female outlet (flanges to EN 1092-2) |
| Body & Coating | Ductile iron, RAL 5005 fusion epoxy coated to 250 microns |
| Approval | In accordance with EN-1074-4 |
| Weight | 9.7 kg |
| Note | Fitted with 3/8” stainless steel drain-off ball valve; multiple installation positions |