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带环孔板F200

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韩国阀门|管件|填料函

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详细介绍

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