GB1283047A - Composite coupling flange - Google Patents
Composite coupling flangeInfo
- Publication number
- GB1283047A GB1283047A GB4522668A GB4522668A GB1283047A GB 1283047 A GB1283047 A GB 1283047A GB 4522668 A GB4522668 A GB 4522668A GB 4522668 A GB4522668 A GB 4522668A GB 1283047 A GB1283047 A GB 1283047A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flange
- stainless steel
- welding
- rebates
- sept
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
Abstract
1283047 Welding by fusion NEVILLE & WILLIS (WELDING & FABRICATIONS) Ltd 23 Sept 1969 [24 Sept 1968] 45226/68 Heading B3R [Also in Division F2] A composite flange comprises a flange of cheap metallic material, the front and rear faces of which are coated immediately adjacent the aperture with a more expensive metallic material by buttering (a technique involving the laying or spreading of the more expensive metal in molten form upon the flange). In the embodiment shown, a pipe coupling flange 1, e.g. of carbon steel, is machined so as to be rebated at 5 and 6 and a thin layer of high chromium content stainless steel (e.g. 25% Cr, 12% Ni) is welded to the surfaces of the rebates. Further welding with a lower chromium content stainless steel (e.g. 18% Cr, 8% Ni or 18% Cr, 10% Ni, 3% Nb) fills the rebates and stands proud of the flange (dotted lines). The flange is then remachined to remove excess stainless steel and provide a mating surface. A stainless steel pipe may be inserted into the flange and welded to the stainless facings so that there is no discontinuity of material in an assembled pipe run. Other materials, e.g. aluminium bronze and " Monel " (Registered Trade Mark) may be used for the coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4522668A GB1283047A (en) | 1968-09-24 | 1968-09-24 | Composite coupling flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4522668A GB1283047A (en) | 1968-09-24 | 1968-09-24 | Composite coupling flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1283047A true GB1283047A (en) | 1972-07-26 |
Family
ID=10436375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4522668A Expired GB1283047A (en) | 1968-09-24 | 1968-09-24 | Composite coupling flange |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1283047A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979406A (en) * | 2016-03-19 | 2017-07-25 | 江阴市诺普得机械有限公司 | Double-deck hub socket welding flange |
| CN106989228A (en) * | 2016-03-19 | 2017-07-28 | 江阴市诺普得机械有限公司 | Reductor alloy steel flange |
| CN106989222A (en) * | 2016-03-19 | 2017-07-28 | 江阴市诺普得机械有限公司 | The reinforced flange of socket weld |
| CN106989235A (en) * | 2016-03-29 | 2017-07-28 | 江阴市诺普得机械有限公司 | Trough of belt hub anti-slip type butt welding flat flange |
| CN106989226A (en) * | 2016-03-19 | 2017-07-28 | 江阴市诺普得机械有限公司 | Three layers of socket weld formula flange |
| CN111822954A (en) * | 2020-07-10 | 2020-10-27 | 常熟市东升法兰有限公司 | Manufacturing method of corrosion-resistant stainless steel flange |
| CN114607853A (en) * | 2022-03-10 | 2022-06-10 | 江阴市万里锻件有限公司 | Long-life flange based on hard alloy and preparation process thereof |
-
1968
- 1968-09-24 GB GB4522668A patent/GB1283047A/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979406A (en) * | 2016-03-19 | 2017-07-25 | 江阴市诺普得机械有限公司 | Double-deck hub socket welding flange |
| CN106989228A (en) * | 2016-03-19 | 2017-07-28 | 江阴市诺普得机械有限公司 | Reductor alloy steel flange |
| CN106989222A (en) * | 2016-03-19 | 2017-07-28 | 江阴市诺普得机械有限公司 | The reinforced flange of socket weld |
| CN106989226A (en) * | 2016-03-19 | 2017-07-28 | 江阴市诺普得机械有限公司 | Three layers of socket weld formula flange |
| CN106989235A (en) * | 2016-03-29 | 2017-07-28 | 江阴市诺普得机械有限公司 | Trough of belt hub anti-slip type butt welding flat flange |
| CN111822954A (en) * | 2020-07-10 | 2020-10-27 | 常熟市东升法兰有限公司 | Manufacturing method of corrosion-resistant stainless steel flange |
| CN111822954B (en) * | 2020-07-10 | 2022-02-22 | 常熟市东升法兰有限公司 | Manufacturing method of corrosion-resistant stainless steel flange |
| CN114607853A (en) * | 2022-03-10 | 2022-06-10 | 江阴市万里锻件有限公司 | Long-life flange based on hard alloy and preparation process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |