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ASME B16.11 1/2 NPT Threaded Hex Head Plug in Caron and Stainless Steel

ASME B16.11 Plug

Threaded Pipe Plug Specification

Standards Specification Of : ASME B16.11 Plug
MSS SP-43 Corrosion Resistant for Low Pressure, Fabricated and Wrought Butt-Welding Fittings Applications
ASTM A182 – ASME SA182 Standard for Wrought Austenitic Stainless Steel Piping Fittings
ASME B16.9 Wrought Buttwelding Fittings
ASME B16.11 Socket & Threaded– Welding, Forged Fittings
MSS SP-95 Bull Plugs & Swage(d) Nipples
BS3799 Specification of screwed and Socket-welding, Steel pipe fittings

Female Threaded Plug Dimensions

ASME B16.11 Threaded Plug Dimensions (BS 3799) (in Millimeter)
NPS Length
(Mini.)
A
     
Plugs Square Head Plugs Round Head Hex Plugs & Bushings
Height of
Square
(Mini.)
B
Width
Flats
(Mini.)
C
Nominal
Dia.
of Head
E
Length
(Mini.)
D
Width Flats
(Nominal)
F
Hex Height (Minimum)
Bushing
G
Plug
H
1/8” 9.7 6.6 7.1 10.4 35.1 11.2 6.4
1/4” 11.2 6.6 9.7 13.5 41.1 15.7 3.0 6.4
3/8” 12.7 7.9 11.2 17.5 41.1 17.5 4.1 7.9
1/2” 14.2 9.7 14.2 21.3 44.5 22.4 4.8 7.9
3/4” 15.7 11.2 15.7 26.9 44.5 26.9 5.6 9.7
1” 19.1 12.7 20.6 33.3 50.8 35.1 6.4 9.7
1-1/4” 20.6 14.2 23.9 42.9 50.8 44.5 7.1 14.2
1-1/2” 20.6 15.7 28.4 48.5 50.8 50.8 7.9 15.7
2” 22.4 17.5 33.3 60.5 63.5 63.5 8.6 17.5
2-2/2” 26.9 19.1 38.1 73.2 69.9 76.2 9.7 19.1
3” 28.4 20.6 42.9 88.9 69.9 88.9 10.4 20.6
4” 31.8 25.4 53.5 114.3 76.2 117.3 12.7 25.4


ASME B16.11 Plug Temperature Class

Pressure-Temperature for ASME B16.11 Fittings (psig)
Temperature Class
150 300
1/4 - 1 in. 1 1/4 - 2 in. 2 1/2 - 3 in.
(oF) (oC)
-20 to 150 -29 to 66 300 2000 1500 1000
200 93 265 1785 1350 910
250 121 225 1575 1200 825
300 149 185 1360 1050 735
350 177 150 1150 900 650
400 204 - 935 750 560
450 232 - 725 600 475
500 260 - 510 450 385
550 288 - 300 300 300