VANTUZLAR (HAVA TAHLİYE VANASI)

Diameter range  : DN 50-300

Flanges  : ISO 2531, DIN 2501

Pressure Class  : PN10 , 16, 25

Hydraulic Test  : BS 6755

Test Pressure  : Body :1.5 times of NP, Seat : At NP

Body and gate  : Ductile iron, GGG40

Stem  : St.Steel, X20Cr13

Balls  : St.Steel or rubber lined steel

Body seats  : Bronze

Used to evacuate the air during filling or emptying the pipeline and also exhaust during operation, with the help of:

• Large orifice exhaust air  or supply air flow   with high flow rates to prevent vaccum.
• Small orifice releases air accumulating   during operation.
• Changing balls or gaskets without   removing the valve from the line with   incorporated gate valve.