Ring type joint orifice plate_F300

Type: F300

 

Description

 

A holding ring assembly is a combination of a holder ring and an orifice plate designed for Ring type joint (RTJ) flanges of ANSI or JPI specifications. The holding ring  has  a function of holding the orifice plate and also a function as a gasket to prevent leakage of the process fluid. This metallic sealing system is applicable to a fluid of high temperature and high pressure, the pressure tapping system is normally the flange tap type.

 

Specification

 

Orifice bore type

 

Concentric square edged orifice Quadrant edged orifice

 

Flow calculation standards

 

ISO 5167-1 and 2 2003
AGA-3
ASME MFC-3M and 14M
JIS Z 8762
BS 1042

 

Flange ratings

 

ANSI class 600, 900, 1,500Lb and 2500Lb
Ring type joint (RTJ)

 

Pressure taps

 

Flange taps

 

Plate thickness

 

3, 6, 9, 12 mm and Over

 

Tab handle

 

Welded to ring

 

Holding ring

 

Riveted to plate
Types : Octagonal or oval

 

Drain and vent hole

 

Per ASME recommendations
Not drilled for orifice bores smaller than 25.4 mm

 

Markings

 

Upstream side of tab handle stamped with "Upstream" and with bore type and size, line size, tag number and flange rating

 

Special markings

 

Special marking may be furnished to meet Specific requirement

 

Materials

 

Plate : 304SS and 316L SS
Holding ring : Soft lron, 304SS and 316SS
Rivets : 304SS and 316SS
Tab Handle : 304SS and 316SS

 

 

Download:  CATALOG 

Ring type joint orifice plate F300