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EMCO Classical venturi tube machined, Type KVR

Principle: Based on the ISO 5167-4 standard, the venturi tube offers durable flow measurement with minimal pressure loss.

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Construction
Design and calculation standards
ISO 5167-4, ASME MFC-3M
Sizes
DN 200 - DN 1200
Pressure rating
PN 10 - 100, 150 - 600 lbs, ISO PN 20 - 100
β (d/D)
0,3 < β < 0,75
Material
Carbon steel, AISI 316, other on request
Mounting style
Weld ends according to DN 2559 or ANSI B16.25. Flanges acc. to DIN or ANSI B16.5 standards or clamp connection
Pressure taps
Weld ends Ø 21.3 mm, 26.9 mm, thread connection 3/8", 1/2" BSP, 1/2" NPT
Tappings
Single pressure tappings or 2x4 tappings each arranged with an external annular ring to equalize the pressure
Outlet cone
7-15°
Technical Data
Accuracy
1,5 % (acc. to ISO 5167-4)
Pressure loss
Depending on outlet cone, between 10-15% of the differential pressure measured
Limits for Reynolds No
2*10^5 < ReD < 2*10^6 according to ASME
Accessories
shut-off valves
Condensing chamber unit for steam flow