VVF21 Siemens
Control valve flanged

production of discontinued

calculation and selection

84 % - model rating

Drawing VVF21 Siemens Control valve flanged

Design VVF21 Siemens Control valve flanged

Scheme VVF21 Siemens Control valve flanged

Technical description

Model

VVF21

Manufacturer

Siemens

www.siemens.com

Country

Switzerland

Allowable working fluids

Water

Body material

cast iron

Control element

globe valve

Flow characteristic

logarithmic-linear

Regulation

proportional

Pressure-balanced valve

Connection type

flanged

Drive connection

Tmax (for water)

150 °C

Tmin (for water)

-10 °C

technical
specifications
price

DN mm	Kvs m³/h	L mm	h mm	compatible with actuator	price
25	1.90 2.50 3.00 4.00 5.00 6.30 7.50 10,0	150	20	SKD32 Siemens : dPmax = 3.0 bar SKD60 Siemens : dPmax = 3.0 bar SKD82 Siemens : dPmax = 3.0 bar SKB32 Siemens : dPmax = 3.0 bar SKB60 Siemens : dPmax = 3.0 bar SKB82 Siemens : dPmax = 3.0 bar	production of discontinued
40	12 16 19 25	180	20	SKD32 Siemens : dPmax = 3.0 bar SKD60 Siemens : dPmax = 3.0 bar SKD82 Siemens : dPmax = 3.0 bar SKB32 Siemens : dPmax = 3.0 bar SKB60 Siemens : dPmax = 3.0 bar SKB82 Siemens : dPmax = 3.0 bar	production of discontinued
50	31 40	200	20	SKD32 Siemens : dPmax = 3.0 bar SKD60 Siemens : dPmax = 3.0 bar SKD82 Siemens : dPmax = 3.0 bar SKB32 Siemens : dPmax = 3.0 bar SKB60 Siemens : dPmax = 3.0 bar SKB82 Siemens : dPmax = 3.0 bar	production of discontinued
65	49 63	240	20	SKD32 Siemens : dPmax = 2.8 bar SKD60 Siemens : dPmax = 2.8 bar SKD82 Siemens : dPmax = 2.8 bar SKB32 Siemens : dPmax = 3.0 bar SKB60 Siemens : dPmax = 3.0 bar SKB82 Siemens : dPmax = 3.0 bar	production of discontinued
80	78 100	260	20	SKD32 Siemens : dPmax = 1.8 bar SKD60 Siemens : dPmax = 1.8 bar SKD82 Siemens : dPmax = 1.8 bar SKB32 Siemens : dPmax = 3.0 bar SKB60 Siemens : dPmax = 3.0 bar SKB82 Siemens : dPmax = 3.0 bar	production of discontinued
100	124 160	300	40		production of discontinued

DN - nominal diameter, mm.

L - length along the pipeline axis, mm.

h - valve stem travel, mm.

dP - permissible pressure drop across the valve (for water), bar.

Kvs - flow capacity, corresponds to the water flow rate in m³/h, at which the pressure drop across the valve will be 1 bar.

question : comment : feedback

VVF21 SiemensControl valve flanged

production of discontinued

technicalspecificationsprice

VVF21 Siemens
Control valve flanged

technical
specifications
price