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Orifice plate with ring_F200

Orifice plate with ring_F200

Details

Description

Orifice ring assemblies are used for flow measurement of smaller or medium sized pipes at lower pressure. Each assembly consists of one orifice plate and two orifice rings. Differential pressure is taken out in a corner tap system. Orifice block, which are of a unit-construction type and provide higher pressure ratings than the orifice ring assemblies, also are available.

Specification

Orifice bore type Concentric square edged orifice
Quadrant edged orifice
Minimum quadrant edged orifice diameter 4.5 mm
Minimum quadrant edged radius 0.5 mm
Flow calculation standards ISO 5167-1 and 2 2003 AGA-3
ASME MFC-3M and 14M JIS Z 8762
BS 1042
Flange ratings JIS 5, 10, 16, and 20K
ANSI (or JPI) 150 and 300 Lb
(Note: ANSI and JPI ring dimensions are identical)
Pressure taps Corner taps
Plate thickness 3, 6, 9 and 12 mm
Tab handle Welded to orifice plate
Pressure tab nipples Pipe size : 15 mm (½ inch), Sch 40 and 80
Length : 75 and 150 mm
Tap connections : ½ PT and ½ NPT male
socket welding and butt welding flange connection
Drain and vent hole Per ASME recommendations
Not drilled for orifice bores smaller than 25.4 mm
Markings Upstream side of tab handle stamped "Upstream" and with bore type and size, line size, tag number and flange rating.
Special markings Special marking may be furnished to meet special requirements
Materials Ring and pressure tap nipple : 304SS and 316SS
Plate : 304SS, 316L SS, Monel and other
Tab handle : 304SS and 316L SS
Gaskets Material : Non-Asbestos and Teflon
Thickness : 1.5, 2.0 and 3.0 mm

 

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