8字盲板是用於盲管(臨時或永久)的鍛造產品。這些設備是隔離閥的經濟有效替代方案。八字盲板在一個單一產品中將法蘭鏟和環形墊片結合在一起。
8字盲板是一種管道用件,主要是為了方便檢修,具體形狀你可以把”8″上半部分塗成黑色就知道了。就是一半是盲板一半是鐵圈。常用於需要更改流程的管路法蘭,材質主要有碳鋼、不鏽鋼、合金,可根據管路壓力等級和管路介質進行選擇。通常使用在管徑較大的管線上,平時用法蘭一端占用間距保持管線暢通,需要時換為另一端同等厚度的盲板以截斷管線。避免因臨時替換其他盲板造成管線被強迫擴張,影響整個系統。。
作為管道解決方案提供商之一,Yaang一直致力於為油氣,水,可再生能源和基礎設施領域的項目提供一站式解決方案。通過多年的一貫奉獻和創新,我們可靠,具有成本效益和環境友好的解決方案贏得了客戶的廣泛認可。
中國8字盲板法蘭製造商Yaang提供眼鏡盲板,眼鏡盲板法蘭,鍛鋼,不銹鋼,合金鋼等特種法蘭。
尺寸
1/2“ – 56”(DN15至DN1,400)
壓力
-
系列:Class 150,Class 300,Class 600,Class 900A,Class 1500、2500 Class。
-
歐洲系列:PN2.5,PN6,PN10,PN16, PN25,PN40,PN63,PN100,PN160,PN250,PN320,PN400。
法蘭面對型
-
美國系列:平面型(FF),抬高型(RF),舌頭(T),溝槽(G),女性(F),男性(M),環形接頭面(RJ / RTJ)
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歐洲系列: A型(平面),B型(凸起面),C型(舌頭),D型(凹槽),E型(螺紋),F型(凹入),G型(O型環螺紋),H型( O形圈槽)
材料
-
碳鋼:ASTM A105,ASTM A105N,GB 20,C22.8。
-
合金鋼:ASTM / ASME A182 F1-F12-F11-F22- F5-F9- F91
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不銹鋼:ASTM / ASME A182 F304-304L-304H-304LN-304N
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ASTM / ASME A182 F316-316L-316H-316LN-316N-316Ti
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ASTM / ASME A182 F321-321H,F347-347H
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低溫鋼:ASTM / ASME A350 LF2。
-
高性能鋼:ASTM / ASME A694 F42,F52,F56,F60,F65,F70
標準
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ASME ANSI B16.5,ASME ANSI B16.47。
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API 605,API 6L。
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MSS SP 44
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CSA Z245.12
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EN1092-1,EN1759-1。
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DIN2565,DIN2566,DIN2567,DIN2568,DIN2569
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BS1560,BS 4504,BS
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10.AFNOR NF E29-200-1
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ISO7005-1
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AS2129
-
JIS B2220
-
UNI 2276.UNI 2277.UNI 2278 .UNI 6089 .UNI 6090
Dimensions Spectacle Blinds – ASME B16.48
Table of Contents
Pressure Class 150
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
1/2 | 45 | 16 | 60 | 3 | 38 |
3/4 | 54 | 21 | 70 | 3 | 38 |
1 | 64 | 27 | 80 | 3 | 38 |
1.1/4 | 73 | 42 | 90 | 6.4 | 38 |
1.1/2 | 83 | 48 | 100 | 6.4 | 38 |
2 | 102 | 61 | 120 | 6.4 | 51 |
2.1/2 | 107 | 73 | 140 | 6.4 | 51 |
3 | 133 | 89 | 150 | 6.4 | 64 |
3.1/2 | 159 | 102 | 175 | 9.7 | 64 |
4 | 172 | 114 | 190 | 9.7 | 64 |
5 | 194 | 141 | 215 | 9.7 | 76 |
6 | 219 | 168 | 240 | 12.7 | 76 |
8 | 276 | 219 | 300 | 12.7 | 76 |
10 | 337 | 273 | 360 | 15.7 | 102 |
12 | 406 | 324 | 430 | 19.1 | 102 |
14 | 448 | 356 | 475 | 19.1 | 108 |
16 | 511 | 406 | 460 | 22.4 | 108 |
18 | 546 | 457 | 580 | 25.4 | 114 |
20 | 603 | 508 | 635 | 28.4 | 121 |
24 | 714 | 610 | 750 | 31.8 | 140 |
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
Pressure Class 300
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
1/2 | 51 | 16 | 65 | 6.4 | 38 |
3/4 | 64 | 21 | 80 | 6.4 | 38 |
1 | 70 | 27 | 90 | 6.4 | 38 |
1.1/4 | 79 | 42 | 100 | 6.4 | 38 |
1.1/2 | 92 | 48 | 115 | 6.4 | 38 |
2 | 108 | 61 | 125 | 9.7 | 51 |
2.1/2 | 127 | 73 | 150 | 9.7 | 51 |
3 | 146 | 89 | 170 | 9.7 | 64 |
3.1/2 | 162 | 102 | 185 | 12.7 | 64 |
4 | 178 | 114 | 200 | 12.7 | 64 |
5 | 213 | 141 | 235 | 15.7 | 76 |
6 | 248 | 168 | 270 | 15.7 | 76 |
8 | 305 | 219 | 330 | 22.4 | 76 |
10 | 359 | 273 | 385 | 25.4 | 102 |
12 | 419 | 324 | 450 | 28.4 | 102 |
14 | 483 | 356 | 515 | 31.8 | 108 |
16 | 536 | 406 | 570 | 38.1 | 108 |
18 | 594 | 457 | 630 | 41.1 | 114 |
20 | 651 | 508 | 685 | 44.5 | 121 |
24 | 772 | 610 | 810 | 50.8 | 140 |
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
Pressure Class 600
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
1/2 | 51 | 16 | 65 | 6.4 | 38 |
3/4 | 64 | 21 | 80 | 6.4 | 38 |
1 | 70 | 27 | 90 | 6.4 | 57 |
1.1/4 | 79 | 37 | 100 | 9.7 | 57 |
1.1/2 | 92 | 43 | 115 | 9.7 | 67 |
2 | 108 | 55 | 125 | 9.7 | 57 |
2.1/2 | 127 | 67 | 150 | 12.7 | 67 |
3 | 146 | 83 | 170 | 12.7 | 67 |
3.1/2 | 159 | 96 | 185 | 15.7 | 76 |
4 | 191 | 108 | 215 | 15.7 | 76 |
5 | 238 | 135 | 265 | 19.1 | 86 |
6 | 264 | 162 | 290 | 22.4 | 86 |
8 | 318 | 212 | 350 | 28.4 | 95 |
10 | 397 | 265 | 430 | 35.1 | 105 |
12 | 454 | 315 | 490 | 41.1 | 105 |
14 | 489 | 346 | 525 | 44.5 | 114 |
16 | 562 | 397 | 605 | 50.8 | 124 |
18 | 610 | 448 | 655 | 53.8 | 133 |
20 | 679 | 497 | 725 | 63.5 | 133 |
24 | 787 | 597 | 840 | 73.2 | 152 |
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
Pressure Class 900
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
1/2 | 60 | 16 | 80 | 6.4 | 38 |
3/4 | 67 | 21 | 90 | 6.4 | 41 |
1 | 76 | 27 | 100 | 6.4 | 57 |
1.1/4 | 86 | 37 | 110 | 9.7 | 57 |
1.1/2 | 95 | 43 | 125 | 9.7 | 67 |
2 | 140 | 55 | 165 | 12.7 | 57 |
2.1/2 | 162 | 67 | 190 | 12.7 | 67 |
3 | 165 | 83 | 190 | 15.7 | 67 |
4 | 203 | 108 | 235 | 19.1 | 76 |
5 | 244 | 135 | 280 | 22.4 | 86 |
6 | 286 | 162 | 320 | 25.4 | 86 |
8 | 356 | 212 | 395 | 35.1 | 95 |
10 | 432 | 265 | 470 | 41.1 | 105 |
12 | 495 | 315 | 535 | 47.8 | 105 |
14 | 518 | 346 | 560 | 53.8 | 114 |
16 | 572 | 397 | 615 | 60.5 | 124 |
18 | 635 | 448 | 685 | 66.5 | 133 |
20 | 696 | 497 | 750 | 73.2 | 133 |
24 | 835 | 597 | 900 | 88.9 | 152 |
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
Pressure Class 1500
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
1/2 | 61 | 16 | 80 | 6.4 | 38 |
3/4 | 67 | 21 | 90 | 9.7 | 41 |
1 | 76 | 27 | 100 | 9.7 | 64 |
1.1/4 | 86 | 35 | 110 | 9.7 | 64 |
1.1/2 | 95 | 41 | 125 | 12.7 | 70 |
2 | 140 | 53 | 165 | 12.7 | 70 |
2.1/2 | 162 | 63 | 190 | 15.7 | 76 |
3 | 172 | 78 | 205 | 19.1 | 76 |
4 | 206 | 102 | 240 | 22.4 | 89 |
5 | 251 | 128 | 290 | 28.4 | 89 |
6 | 279 | 154 | 320 | 35.1 | 89 |
8 | 349 | 203 | 395 | 41.1 | 102 |
10 | 432 | 255 | 480 | 50.8 | 114 |
12 | 518 | 303 | 570 | 60.5 | 114 |
14 | 575 | 333 | 635 | 66.5 | 127 |
16 | 638 | 381 | 705 | 76.2 | 133 |
18 | 702 | 429 | 775 | 85.9 | 146 |
20 | 752 | 478 | 830 | 95.3 | 152 |
24 | 899 | 575 | 990 | 111.3 | 178 |
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
Pressure Class 2500
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
1/2 | 67 | 16 | 90 | 9.7 | 38 |
3/4 | 73 | 21 | 95 | 9.7 | 41 |
1 | 83 | 27 | 110 | 9.7 | 64 |
1.1/4 | 102 | 35 | 130 | 12.7 | 64 |
1.1/2 | 114 | 41 | 145 | 15.7 | 70 |
2 | 143 | 53 | 170 | 15.7 | 70 |
2.1/2 | 165 | 63 | 195 | 19.1 | 76 |
3 | 194 | 78 | 230 | 22.4 | 76 |
4 | 232 | 102 | 275 | 28.4 | 89 |
5 | 276 | 128 | 325 | 35.1 | 89 |
6 | 314 | 154 | 370 | 41.1 | 89 |
8 | 384 | 198 | 440 | 53.8 | 102 |
10 | 473 | 248 | 540 | 66.5 | 114 |
12 | 546 | 289 | 620 | 79.2 | 114 |
NPS |
Outside Ø A |
Inside Ø B |
Center Line C |
THK t |
Web Width W |
- Dimensions are in millimeters unless otherwise indicated.
- D = Hole size (where required) should be the same as the flange bolt hole. In practice, these dimensions have been rounded round off upwards.
- Wt = Thickness of the web (or tie bar) should be 6 mm minimum, or equal to Thickness (t) if less than 6 mm.
- Spectacle Blinds should be made from a plate or forging specification, approved for use by ASME B31.3, of essentially the same chemical composition as the mating flanges and piping involved.
- Spectacle Blinds ASME B16.48 may be used for installation between ASME B16.5 flanges
- Depending on a customer specification, some dimensions can be different from what on this page is defined.
RAISED FACE JOINT BLANKS
- ASME B16.48 says: The gasket seating surface finish and dimensions for raised face line blanks shall be in accordance with ASME B16.5. A raised face may be specified at the option of the purchaser.
- A Raised Face would add machining time and complexity so the price would be higher. Call this the Bugatti or Rolls Royce of the line blind world.
- Personally, I have seen that version once or twice somewhere. The version without Raised Face is the default and is used everywhere.
材質
特殊合金
- HASTELLOY®X
- MONEL®R-405
- MONEL®K-500
- HASTELLOY®C-276
- HASTELLOY®C-22
- HASTELLOY®B-2
- INCOLOY®825
- INCOLOY®800H /800HT®
- INCONEL®718
- INCONEL®合金625
- INCONEL®合金601
- INCONEL®合金600
- MONEL®合金400
合金20
- 鎳200/201
- MONEL®R-405
- MONEL®K-500
- MONEL®合金400
- INCONEL®718
- INCONEL®合金625
- INCONEL®合金601
- INCONEL®合金600
- INCOLOY®825
- HASTELLOY®X
- HASTELLOY®C-276
- HASTELLOY®C-22
- HASTELLOY®B-2
- INCOLOY®800H /800HT®
- HASTELLOY®B-3
雙相不銹鋼
- ZERON®100,超級雙相不銹鋼
- 超級雙工S32760
- LDX2101®,雙相鋼
- 雙面S31803
- 超級雙工2507
- 雙面膠2205
不銹鋼
- 不銹鋼氮50HS
- 不銹鋼氮60
- 不銹鋼氮50
- 不銹鋼13-8PH
- 不銹鋼15-5PH
- 不銹鋼PRODEC 303
- 不銹鋼303
- 不銹鋼446
- 不銹鋼410S
- 不銹鋼410
- 不銹鋼304-304H
- 不銹鋼17-4
- 不銹鋼347
- 不銹鋼440C
- 309不銹鋼
- 不銹鋼316-316l
- 不銹鋼AL-6XN®
- 不銹鋼330
- 不銹鋼321
- 317L不銹鋼
- 不銹鋼310 / 310S
- 304L不銹鋼
- 304不銹鋼
- 不銹鋼253 MA
碳素鋼
- 碳鋼製品
鈦
- 10V-2Fe-3鋁
- 6Al-4V
- 6Al-4V STA
- 6Al-4V ELI
- 6Al-2Sn-4Zr-2Mo