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NEEDLE VALVE NGL STANDARD

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ngl_500_500

Range:

DN 100 – 1600
PN 10 - 16 - 25 – 40

• One Piece in through-passage design
• Optimized flow behavior and minimum head losses when fully open
• High hydraulic performances
• Minimum pressure loss
• Linear & optimized flow control
• Totally protection against corrosion
• Available as: Manual; Motorizable; Motorized, oleodinamic with counterweight or double effect cylinder

 

Applications: Water Hydro Irrigation Industry

Features

• Performance and design according to EN1074-5.
• Face to Face dimension according to EN 558 e Series 15
• Flanges drilling in according to EN 1092-2 ISO 7005-2;
• Hydraulic test in  accordance with the prescriptions EN 1074 1 and 2, ISO 5208 and EN 12266 leak Rate A.
• Marking  according EN 19
• Full range of cylinder to avoid cavitation

 

Materials

• Body ductile iron GJS500-7 EN 1563.
• Shaft: AISI 420 
• Shutter: AISI 304
• Seal: Elastomer EPDM
• Bush: Bronze CuSn12
• Cilinder: AISI 304 (optional)

Gearboxes and actuators

• AUMA Gearboxes Enclosure IP68-8 according to EN60529
• Standard actuator: Regulation Duty: S4 – 25%. Output signal 4-20 mA
• 400 V -3 – 50Hz, IP68.8, KS protection and heater 230 V

Corrosion protection

Body and valve disc epoxy powder coated in every part in accordance with EN14901 layer thickness min. 250 μm 

Needle Valve DN500 PN16
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