Control valveVA2011

Basic type of VA series single-seat valves with the possibility of a balance plug

Nominal diameters

• DN 15 (½“) – DN 250 (10“)

Nominal pressure values

• PN 16 – PN 40
• Class 150 – Class 300

Design

• single seated valve with the possibility of a balance plug

Operating temperature range

• -196°C to +400°C

Flow characteristics

• linear
• equipercent
• on/off

Flow coefficient Kvs

• 0,01 – 630 [m³.h^-1]

Leakage class (IEC 60534-4)

• class IV
• class V
• class VI

Body material

• gray iron GJL 250 (GG25)
• GJS 400-18T (GGG-40)
• carbon steel GP240 GH(1.0619), A216 WCB
• stainless steel  GX5CrNiMo 19-11-2 (1.4408)
• other as required

Plug and seat material

• stainless steel
• stellit
• monel
• hastelloy

Connection

• flange

Type of actuator

• pneumatic diaphragm (with handwheel)
• electric
• electro-hydraulic
• hydraulic
• hand-operated