EMCO Venturi Nozzle with Single Pressure Tapping Series with Weld End Connections VES

The EMCO venturi nozzles are used as primary elements in flow measurement of steam, liquid, and gas according to the differential pressure principle.

Construction

• Design and calculation standards : ISO 5167-3, DIN 19215
• Sizes : DN 65 – 500
• Pressure rating : PN 10 - 640, 150 - 2500 lbs
• Bore (d) : d > 50 mm
• β (d/D) : 0,316 < β < 0,775
• Material : Carbon steel P250GH, AISI 316, heat-resisting steels: 16Mo3, 13CrMo4-5, 10CrMo9-10, WB 36, X20CrMoV121, F91, F92, other materials on request
• Mounting style : Weld ends according to DIN 2559 or ANSI B16.25 or flange connection according to DIN or ANSI
• Pressure taps : Ø 21.3 mm, 24 mm, 26.9 mm, 3/8", 1/2" BSP male, 1/2" NPT
• Tappings : Single pressure tappings or 2x4 tappings each arranged with an external annular ring to equalise the pressure.
• Tap lengths : 150 mm, others on request
• Tap location : At least 45 degrees apart, for sizes below DN 150. To be stated with order.

Technical Data

• Accuracy : ca. 1,4 – 1,5 % (according to ISO 5167)
• Pressure loss : ca. 15 % of the differential pressure measured
• Limits for Re. No. : 1,5 x 10 5 < ReD < 2 x 10 6 according to ISO 5157-3

Accessories

Shut-off valves and condensing chambers for steam flow measurement

Overall Dimensions

All dimensions in mm

EMCO Venturi nozzle with condensing chambers for steam flow measurement in a vertical pipe line.

Works with:-

Differential pressure transmitters:-IDP10; IDP15; IDP25; IDP31; IDP50
And all our Absolute Pressure and Gauge Pressure transmitters, Temperature sensors and mass flow computers.
MultiVariable Transmitters :- IMV25, IMV30

Supplied by DP-Flow