flange face - rf, rtj, ff asme-b16-10-2000
DESCRIPTION
Diagrams of Flance Facing:Raised Face, Ring To Joint, Flat Face.as per ASME B16.10 :2000TRANSCRIPT
p. 4 07-24-01 12:06:20 Unit: U1 Textfile: B16P10$$U1 p. 4
FACE-TO-FACE AND END-TO-ENDDIMENSIONS OF VALVESASME B16.10-2000
Basic flange edge to flange edge
Large or Small
Male Face
For steel valves only [Note (1)]
Face-to-face dimension
Basic flange edge to flange edge
Large or Small
Female Face
5 mm (0.19 in.)
7 mm (0.25 in.)
For steel valves only [Note (1)]
Face-to-face dimension
Basic flange edge to flange edge
Large or Small
Tongue
7 mm (0.25 in.)
For steel valves only [Note (1)]
Face-to-face dimension
Basic flange edge to flange edge
Large or Small
Groove
(b) Other Standard Facings
5 mm (0.19 in.)
Facing for steel valves only [Note (1)]
GENERAL NOTE:Valves are supplied with the facings shown above when specified. See Table 9 (9A) to determine face-to-facedimensions of valves with these facings.
GENERAL NOTE:Regular flange facings for valves are shown above.valves normally carried in stock are so faced.
NOTE:(1) Steel includes nonferrous materials in ASME B16.34.
End-to-end dimension
Basic flange edge to flange edge
Flat Face
Regular facing on Class 125 cast iron
Face-to-face dimension given in the tables
Basic flange edge to flange edge
2 mm (0.06 in.) Raised Face2 mm (0.06 in.)
Regular facing on Class 250 cast iron and Classes 150 and 300 steel [Note (1)]
Face-to-face dimension given in the tables
Basic flange edge to flange edge
7 mm (0.25 in.) Raised Face7 mm (0.25 in.)
Regular facing on Class 600 and higher steel valves [Note (1)]
Face-to-face dimension given in the tables
Basic flange edge to flange edge
Ring Joint
(a) Regular Standard Facings
Depth of groove
Facing for steel valves only [Note (1)]
End-to-end dimension [see Table 10 (A10)]
FIG. 1 FLANGE FACINGS AND THEIR RELATIONSHIPS