Bảng Kích Thước: Type R Ring Joint Gaskets ASME B16.20
sử dụng cho Mặt Bích RTJ ASME B16.47 Series A (MSS SP-44)


Bảng Kích Thước Vòng Đệm Kim Loại Type R Ring Joint Gaskets
R93 ~ R105 | CLASS 300 ~ 900
R
No
Dia
P
Width
A
Height Oct
C
Oct
R1
CLASS pressure / NPS
Oval
B
Oct
H
300# 600# 900#
R 93 749.3 19.05 ... 23.9 12.32 1.5 26 26
R 94 800.1 19.05 ... 23.9 12.32 1.5 28 28
R 95 857.25 19.05 ... 23.9 12.32 1.5 30 30
R 96 914.4 22.23 ... 26.9 14.81 1.5 32 32
R 97 965.2 22.23 ... 26.9 14.81 1.5 34 34
R 98 1022.35 22.23 ... 26.9 14.81 1.5 36 36
R 100 749.3 28.58 ... 35.1 19.81 2.3 26
R 101 800.1 31.75 ... 38.1 22.33 2.3 28
R 102 857.25 31.75 ... 38.1 22.33 2.3 30
R 103 914.4 31.75 ... 38.1 22.33 2.3 32
R 104 965.2 34.93 ... 41.4 24.82 2.3 34
R 105 1022.35 34.93 ... 41.4 24.82 2.3 36
R
No
Dia
P
Width
A
Height Oct
C
Oct
R1
300# 600# 900#
Oval
B
Oct
H
CLASS pressure/ NPS
Ghi chú

• All dimensions are in millimeters.

• Dung sai
      P = average pitch diameter of ring ±0.18
      A = width of ring ±0.20
      B & H = height of ring +1.3. -0.5. Variation in height throughout the entire circumference of any given ring shall not exceed 0.5 within these tolerances



      C = width of flat on octagonal ring ±0.20
      R1 = radius in ring ±0.5
      23 deg = angle ±0 deg 30 min
      R-30 = for lapped joint only