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RTJ Face Dimensions and Flange Tolerances

Nominal Pipe SizeGroove DimensionsDiameter of Raised Portion K
150 PSI300 PSI400 PSI600 PSI900 PSI1500 PSI2500 PSIGroove #Pitch DiaDepthWidthRadius at Bottom150 PSI300 400 600 PSI900 PSI1500 PSI2500 PSIDepth
PEFRE
……..1/2……..1/2……..……..……..R111-11/327/329/321/32……..2……..……..……..7/32
……..……..……..……..……..1/2……..121-9/161/411/321/32……..……..2-3/82-3/8……..1/4
……..3/4……..3/4……..……..1/2131-11/161/411/321/32……..2-1/2……..……..2-9/161/4
……..……..……..……..……..3/4……..141-3/41/411/321/32……..……..2-5/82-5/8……..1/4
1……..……..……..……..……..……..151-7/81/411/321/322-1/2……..……..……..……..1/4
……..1……..1……..13/41621/411/321/32……..2-3/42-13/162-13/162-7/81/4
1-1/4……..……..……..……..……..……..172-1/41/411/321/322-7/8……..……..……..……..1/4
……..1-1/4……..1-1/4……..1-1/41182-3/81/411/321/32……..3-1/83-3/163-3/163-1/41/4
1-1/2……..……..……..……..……..……..192-9/161/411/321/323-1/4……..……..……..……..1/4
……..1-1/2……..1-1/2……..1-1/2……..202-11/161/411/321/32……..3-9/163-5/83-5/8……..1/4
……..……..……..……..……..……..1-1/4212-27/325/1615/321/32……..……..……..……..45/16
2……..……..……..……..……..……..223-1/41/411/321/324……..……..……..……..1/4
……..2……..2……..……..1-1/2233-1/45/1615/321/32……..4-1/4……..……..4-1/25/16
……..……..……..……..……..2……..243-3/45/1615/321/32……..……..4-7/84-7/8……..5/16
2-1/2……..……..……..……..……..……..2541/411/321/324-3/4……..……..……..……..1/4
……..2-/12……..2-1/2……..……..22645/1615/321/32……..5……..……..5-1/45/16
……..……..……..……..……..2-1/2……..274-1/45/1615/321/32……..……..……..5-3/8……..5/16
……..……..……..……..……..……..2-1/2284-3/83/817/321/16……..……..……..……..5-7/83/8
3……..……..……..……..……..……..294-1/21/411/321/325-1/4……..……..……..……..1/4
……..……..……..……..……..……..……..304-5/85/1615/321/32……..……..……..……..……..5/16
……..3……..33……..……..314-7/85/1615/321/32……..5-3/46-1/8……..……..5/16
……..……..……..……..……..……..33253/817/321/16……..……..……..……..6-5/83/8
3-1/2……..……..……..……..……..……..335-3/161/411/321/326-1/16……..……..……..……..1/4
……..3-1/2……..3-1/2……..……..……..345-3/165/1615/321/32……..6-1/4……..……..……..5/16
……..……..……..……..……..3……..355-3/85/1615/321/32……..……..……..6-5/8……..5/16
4……..……..……..……..……..……..365-7/81/411/321/326-3/4……..……..……..……..1/4
……..4444……..……..375-7/85/1615/321/32……..6-7/87-1/8……..……..5/16
……..……..……..……..……..……..4386-3/167/1621/321/16……..……..……..……..87/16
……..……..……..……..……..4……..396-3/85/1615/321/32……..……..……..7-5/8……..5/16
5……..……..……..……..……..……..406-3/41/411/321/327-5/8……..……..……..……..1/4
……..5555……..……..417-1/85/1615/321/32……..8-1/48-1/2……..……..5/16
……..……..……..……..……..……..5427-1/21/225/321/16……..……..……..9-1/21/2
6……..……..……..……..……..……..437-5/81/411/321/328-5/8……..……..……..……..1/4
……..……..……..……..……..5……..447-5/85/1615/321/32……..……..……..9……..5/16
……..6666……..……..458-5/165/1615/321/32……..9-1/29-1/2……..……..5/16

Dimensions in inches. Raised face height matches depth of groove

 

Dimensions of Ring-Joint Facings

Nominal Pipe SizeGroove DimensionsDiameter of Raised Portion K
150 PSI300 PSI400 PSI600 PSI900 PSI1500 PSI2500 PSIGroove #Pitch DiaDepthWidthRadius at Bottom150 PSI300 400 600 PSI900 PSI1500 PSI2500 PSIDepth
PEFRE
……..……..……..……..……..6……..R468-5/163/817/321/16……..……..……..9-3/4……..3/8
……..……..……..……..……..……..64791/225/321/16……..……..……..……..111/2
8……..……..……..……..……..……..489-3/41/411/321/3210-3/4……..……..……..……..1/4
……..8888……..……..4910-5/85/1615/321/32……..11-7/812-1/8……..……..5/16
……..……..……..…….……..8……..5010-5/87/1621/321/16……..……..……..12-1/2……..7/16
……..……..……..……..……..……..851119/1629/321/16……..……..……..……..13-3/89/16
10……..……..……..……..……..……..52121/411/321/3213……..……..……..……..1/4
……..10101010……..……..5312-3/45/1615/321/32……..1414-1/4……..……..5/16
……..……..……..……..……..10……..5412-3/47/1621/321/16……..……..……..14-5/8……..7/16
……..……..……..……..……..……..105513-1/211/161-3/163/32……..……..……..……..16-3/411/16
12……..……..……..……..……..……..56151/411/321/3216……..……..……..……..1/4
……..12121212……..……..57155/1615/321/32……..16-1/416-1/2……..……..5/16
……..……..……..……..……..12……..58159/1629/321/16……..……..……..17-1/4……..9/16
14……..……..……..……..……..……..5915-5/81/411/321/3216-3/4……..……..……..……..1/4
……..……..……..……..……..……..12601611/161-5/163/32……..……..……..……..19-1/211/16
……..141414……..……..……..6116-1/25/1615/321/32……..18……..……..……..5/16
……..……..……..……..14……..……..6216-1/27/1621/321/16……..……..18-3/8……..……..7/16
……..……..……..……..……..14……..6316-1/25/81-1/163/32……..……..……..19-1/4……..5/8
16……..……..……..……..……..……..6417-7/81/411/321/3219……..……..……..……..1/4
……..161616……..……..……..6518-1/25/1615/321/32……..20……..……..……..5/16
……..……..……..……..16……..……..6618-1/27/1621/321/16……..……..20-5/8……..……..7/16
……..……..……..……..……..16……..6718-1/211/161-3/163/32……..……..……..21-1/2……..11/16
18……..……..……..……..……..……..6820-3/81/411/321/3221-1/2……..……..……..……..1/4
……..181818……..……..……..69215/1615/321/32……..22-5/8……..……..……..5/16
……..……..……..……..18……..……..70211/225/321/16……..……..23-3/8……..……..1/2
……..……..……..……..……..18……..712111/161-3/163/32……..……..……..24-1/8……..11/16
20……..20……..……..……..……..72221/411/331/3223-1/2……..……..……..……..1/4
……..20……..20……..……..……..73233/817/321/16……..25……..……..……..3/8
……..……..……..……..20……..……..74231/225/321/16……..……..25-1/2……..……..1/2
……..……..……..……..……..20……..752311/161-5/163/32……..……..26-1/2……..11/16
24……..……..……..……..……..……..7626-1/21/411/321/3228……..……..……..……..1/4
……..242424……..……..……..7727-1/47/1621/321/16……..29-1/2……..……..……..7/16
……..……..……..……..24……..……..7827-1/45/81-1/163/32……..……..30-3/8……..……..5/8
……..……..……..……..……..24……..7927-1/413/1617/163/32……..……..……..31-1/4……..13/16

Dimensions in inches. Raised face height matches depth of groove.

DIMENSIONAL TOLERANCES B16.5 – 2003

Threaded, Socket-Welding, Slip-On, Lap Joint, and BlindWeld Neck
Outside Diameter (1)when the O.D. is 24″ or less±1/16″Outside Diameter (1)when the O.D. is 24″ or less±1/16″
when the O.D. is over 24″±1/8″when the O.D. is over 24″±1/8″
Inside DiameterThreadedwithin limites on boring gaugeInside Diameter= 10″±1/32″
Socket-Welding, Slip-On and Lap-Joint= 10″+1/32″, -0″ =12″+1/16″,-0″12″ through 18″±1/16″
= 20″+1/8″, -1/16″
Outside Diameter of Hub (1)= 12″+3/32″, -1/16″Diameter of Contact Face1/16″ Raised Face±1/32″
= 14″±1/8″1/4″ Raised Face Tongue & Groove Male, Famale±1/64″
Diameter of Contact Face1/16″ Raised Face±1/32″Diameter of Hub at Base (1)when Hub Base is 24″ or less+1/16″
1/4″ Raised Face Tongue & Groove Male, Famale±1/64″when Hub Base is over 24″±1/8″
Diameter of CounterboreSame as for Inside DiameterDiameter of Hub at Point of WeldingNPS = 5″+3/32″, -1/32″
NPS = 6″+5/32″. -1/32″
DrillingBolt Circle±1/16″DrillingBolt Circle±1/16″
Bolt Hole Spacing±1/32″Bolt Hole Spacing±1/32″
Concentricity of Bolt Circle with Respect to FacingNPS = 2 1/2″, 1/32″ maxConcentricity of Bolt Circle with Respect to FacingNPS = 2 1/2″ 1/32″ max
NPS = 3″, 1/16″ maxNPS = 3″ 1/16″ max
Thickness= 18″+1/8″, -0″Thickness= 18″+1/8″, -0″
= 20″+3/16″,-0″= 20″+3/16″,-0″
Length Through the Hub (1)= 18″+1/8″, -1/32″Length Through the HubNPS = 4″±1/16″
5 = NPS = 10″+1/16″, -1/8
= 20″ +3/16″, -1/16″= 12″+1/8″, -3/16

WELDING BEVEL STANDARDS
 

(1) Tolerances not listed in B16.5-2003

RTJ Face Dimensions and Flange Tolerances PDF (for printing)