Principle

EM-CONE ใช้องค์ประกอบในการวัดอัตราการไหลของไอน้ำ ของเหลว และ ก๊าซ โดยใช้หลักการ Differential pressure

Construction

Design and calculation standards : EN, PED 97/23 EC, ANSI/ASME
Sizes : DN 50 -1000 2” — 40”
Pressure rating : PN 10-400, 150 -2500 lbs
Material : Carbon steel P235GH, P250GH, A105N, A350LF2,A106 Gr. B, AISI 316, 22 Cr. Duplex, 25, Cr. Duplex, 6Mo3(F1), 13 CrMo4-5(F11)10CrMo9-10(F22) other materials on request.
Mounting style : Weld ends according to EN 9692-1 or ANSI B16.25. Flanges connections according to DIN, ISO or ANSI. Hub connection for clamping between hubs( Grayloc)
Pressure taps : ½”, ¾” NPT ext., ½”, ¾” flanged, others on request.
Flange facing : Flat or raised face according to DIN 2526 or flat, raised face or ring type joint according to ANSI B 16.5
Beta ratio : 0,4 0,5, 0,6 0,7 and 0,85 (0,7 is standard).
D: inner pipe diameter, d: cone diameter.

Technical Data

Accuracy : +/- 1-2 % (un-calibrated), +/- 0,5 % (calibrated).
Repeatability : +/- 0,1 %
Pressure loss : 40 % of measured differential pressure with beta ratio 0,7
Limits for Re. No. : Re > 100000 lower Re. Consult factory
Installation requirements : Down to 5 x D up-stream and 2 x D down-stream.