Datasheets and manuals

Product documentation

Datasheets and manuals

1 2 3 4

GEMÜ B24

Manually operated ball valve

GEMÜ B26

Manually operated compact flanged ball valve

GEMÜ B27

Manually operated 3/2-way ball valve

GEMÜ B2F

Manually operated 2/2-way ball valve

GEMÜ B42

Pneumatically operated 2/2-way ball valve

GEMÜ B44

Pneumatically operated ball valve

GEMÜ B46

Pneumatically operated compact flanged ball valve

GEMÜ B47

Pneumatically operated 3/2-way ball valve

GEMÜ B4F

Pneumatically operated 2/2-way ball valve

1 2 3 4

Standard formula calculator

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Absolute pressure upstream of the valve (p1) in bar

Absolute pressure downstream of the valve (p2) in bar

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Absolute temperature upstream of the valve (T1) in °C

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Specific volume at p1/2 and t1 (V*) in m³/kg

Supercritical volumetric flow

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Gases

Absolute pressure upstream of the valve (p1) in bar

Absolute pressure downstream of the valve (p2) in bar

Density (p) in kg/dm³

Flow rate (Q) in _nm³/h

Pressure differential (ΔP) in bar

Mass flow (G) in kg/h

Standard density (ρn) in kg/m³

Valve key value (KVs) in m³/h

Volume flow (Qn) in _nm³/h

Absolute temperature upstream of the valve (T1) in °C

Specific volume at p2 and t1 (V2) in m³/kg

Specific volume at p1/2 and t1 (V*) in m³/kg

Supercritical volumetric flow

Subcritical volumetric flow

Steam saturated

Absolute pressure upstream of the valve (p1) in bar

Absolute pressure downstream of the valve (p2) in bar

Density (p) in kg/dm³

Flow rate (Q) in _nm³/h

Pressure differential (ΔP) in bar

Mass flow (G) in kg/h

Standard density (ρn) in kg/m³

Valve key value (KVs) in m³/h

Volume flow (Qn) in _nm³/h

Absolute temperature upstream of the valve (T1) in °C

Specific volume at p2 and t1 (V2) in m³/kg

Specific volume at p1/2 and t1 (V*) in m³/kg

Supercritical volumetric flow

Subcritical volumetric flow

Water

Absolute pressure upstream of the valve (p1) in bar

Absolute pressure downstream of the valve (p2) in bar

Density (p) in kg/dm³

Flow rate (Q) in _nm³/h

Pressure differential (ΔP) in bar

Mass flow (G) in kg/h

Standard density (ρn) in kg/m³

Valve key value (KVs) in m³/h

Volume flow (Qn) in _nm³/h

Absolute temperature upstream of the valve (T1) in °C

Specific volume at p2 and t1 (V2) in m³/kg

Specific volume at p1/2 and t1 (V*) in m³/kg

Supercritical volumetric flow

Subcritical volumetric flow

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