flange face - rf, rtj, ff asme-b16-10-2000

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