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A blind flange is a solid flange with bolt hole. It is used to close the end of pipe or equipment. Blind pipe flange is also used as a manhole cover in the vessel. Blind flanges typically have a raised or flat surface.
Unsere Flansche, Rohrbögen und Armaturen werden mit fortschrittlicher CNC-Ausrüstung und bewährten Prozessen hergestellt und liefern genaue Abmessungen, stabile Dichtungsleistung und zuverlässige Installation für anspruchsvolle industrielle Anwendungen.
We can manufacture high quality blind flanges according to international standards, such as ASME/ ANSI B16.5 flanges, ASME/ ANSI B16.47 flanges, JIS flanges, DIN flanges, EN 1092-1 flanges, AWWA flanges, BS 4504 flanges, SABS/ ASNA 1123 flanges, etc., We are an ISO, KR, KS and PED/AD 2000 certified factory and can meet the demanding requirements of the most critical industries.
Dimensions of carbon steel blind flanges:
ASME/ANSI: DN 1/2” 24 – DN 24”
DIN: DN 15 – DN 2000
EN1092: DN 15 – DN 2000
JIS: 15 A-1500A
UNI: DN 10 – DN 2000
SABS: DN 10-DN 600
GOST: DN 10 – DN 1600
Pressure of carbon steel blind flanges:
ASME/ANSI: Klasse 150, 300, 600, 900, 1500 2500 Pfund
DIN: DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631,
DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
EN1092: PN6, PN10, PN16, PN25, PN40, PN64, PN100
JIS: 1 K,2 K,5 K,10 K,16 K,20 K,30 K,40 K
UNI: PN6, PN10, PN16, PN25, PN40
SABS: 600 KPA, 1000, 1600, 2500, 4000
GOST: PN6, PN10, PN16, PN25
Material of steel blind flanges:
Blindflansche aus Kohlenstoffstahl: A105, SS400, SF440 RST37.2, S235JRG2, P250GH, C22.8 usw.
Blindflansche aus Edelstahl: ASTM A 182, A 240 F 304, 304 L, 304 H, 316, 316 L, 316 Ti, 310, 310 S, 321, 321 H, 317, 347, 347 H, 904L
Blind Flanges Available Types
| Aufsteckflansch | Auf erhabenem Flansch rutschen |
|---|---|
| ANSI B16.5 Blind Flanges | Blind Flange Dimensions |
| ASME B16.5 Blind Flange | Blind Flange Weight |
| Schmiedeflanschhersteller | ANSI B16.5 Class 150 Blind Flanges |
| Hersteller von Kohlenstoffstahlflanschen | CS Blind Flange |
| Blind Flange Manufacturer | DIN Blind Flanges |
| ANSI b16.47 Blind Flange | BS 4504 Blind Flange |
| DIN-Flanschhersteller | EN 1092-1 Blind Flange |
| ASA Blind Flange | JIS Blind Flange |
| AWWA Blind Flange | Carbon Steel Blind Flange |
ASME B16.5 Class 150# Blind Flange with raised face surface
| Rohr | Flansch | Erhöhtes Gesicht | Bohrvorlage | |||||
|---|---|---|---|---|---|---|---|---|
| Ordinance Inch mm | D | T | A | T1 | J—H | K | ||
| 1/2 „ | 15 | 95 | 14.5 | 34.9 | 1.6 | 4 | 16 | 66.7 |
| 3/4 „ | 20 | 117 | 16 | 42.9 | 1.6 | 4 | 20 | 82.5 |
| 1 „ | 25 | 124 | 17.5 | 50.8 | 1.6 | 4 | 20 | 88.9 |
| 1-1/4 „ | 32 | 133 | 19.5 | 63.5 | 1.6 | 4 | 20 | 98.4 |
| 1-1/2 „ | 40 | 156 | 21 | 73 | 1.6 | 4 | 23 | 114.3 |
| 2 „ | 50 | 165 | 22.5 | 92.1 | 1.6 | 8 | 20 | 127 |
| 2-1/2 „ | 65 | 191 | 25.5 | 104.8 | 1.6 | 8 | 23 | 149.2 |
| 3 „ | 80 | 210 | 29 | 127 | 1.6 | 8 | 23 | 168.3 |
| 4″ | 100 | 254 | 32 | 157.2 | 1.6 | 8 | 23 | 200 |
| 5″ | 125 | 279 | 35 | 185.7 | 1.6 | 8 | 23 | 235 |
| 6″ | 150 | 318 | 37 | 216 | 1.6 | 12 | 23 | 270 |
| 8″ | 200 | 381 | 41.5 | 270 | 1.6 | 12 | 26 | 330.2 |
| 10″ | 250 | 445 | 48 | 323.8 | 1.6 | 16 | 29 | 387.3 |
| 12″ | 300 | 520 | 51 | 381 | 1.6 | 16 | 32 | 450.8 |
| 14″ | 350 | 585 | 54 | 412.8 | 1.6 | 20 | 32 | 514.3 |
| 16″ | 400 | 650 | 57.5 | 470 | 1.6 | 20 | 35 | 571.5 |
| 18″ | 450 | 710 | 60.5 | 533.4 | 1.6 | 24 | 35 | 628.6 |
| 20″ | 500 | 775 | 63.5 | 584.2 | 1.6 | 24 | 35 | 685.8 |
| 24″ | 600 | 915 | 70 | 692.2 | 1.6 | 24 | 42 | 812.8 |
Blind flanges is widely used in oil and gas, petrochemical, waterworks, chemical industry, plumbing, heating, power plant, paper & pulp industry, fabrication industry, food processing industry, etc.
