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Product Application
Petrochemical industry, energy industry, water treatment industry, environmental protection engineering, construction engineering, shipbuilding industry, valves, water pumps, power plants, steel mills: valves, water pumps, power plants, steel mills.
Quality Control
Company strictly according to ISO9000 standard organize produce and manage, build up valid circulate stable dependable quality management and guarantee system, strict material production equipments and quality of the control, consummate processing technology experience and forerunner examination experiment.
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Parameter category |
Technical Specifications |
|
Flange body material |
Carbon steel: ASTM A105, Q235B, 20#, A350 LF2 |
|
Lap joint short section material |
Match by pipe: 304/316L stainless steel, duplex steel 2205, nickel-based alloy, etc. (as specified by the customer) |
|
Pressure rating |
PN series: PN6 to PN40 (commonly PN10/16/25) |
|
Nominal diameter (DN) |
DN15 to DN1200 (½ "to 48"), DN300 and below are in regular stock |
|
Sealing surface type |
Raised face (RF) (90% order) | Concave-convex face (MFM) | Tenon groove face (TG) | Ring joint face (RJ) |
|
Short joint type |
Type A (Long, ASME B16.9) | Type B (short) | Type C (tenon lock type) |
|
Enforce standards |
Flanges: ASME B16.5, EN 1092-1 (DIN), JIS B2220, GB/T 9117 |
|
Process accuracy |
CNC lathe machining of sealing surface (Ra≤3.2μm) | Laser positioning drilling (hole spacing error ±0.1mm) | Flanging Angle 30°±0.5° |
Variety of Materials:
Lap joint flanges come in materials like steel, brass, and stainless steel, so you can pick the best one for your piping system.
Strong and Durable:
Lap joint flanges are tough and can handle high pressure and weight, making them a great choice if you don't plan to take them apart.
Easy to Install:
Installing a lap joint flange is simple. You just need a few screws to get the job done.
Great Design:
These flanges are user-friendly, easy to install, and maintain. They can also be customized for different piping needs.
Chemical Processing Plants
In chemical processing plants, lap-joint flanges are commonly deployed for systems that involve corrosive liquids. Because they can have different materials for the stub end and backing flange, these components can be used with a wide range of chemicals under various conditions. Not to mention, the ease with which they can be taken apart makes them useful in servicing machines in these settings.
Water Treatment Plants
Water treatment facilities rely on lap joint flanges to join pipes carrying potable water, wastewater and chemicals which are used for purification purposes. These features together with their resistance against adverse effects from corrosion also make them compatible with many types of liquid mediums found within water treatment applications.
Oil and Gas Industry
Lap joint flanges are applicable in pipeline and equipment for oil and gas industry hence need regular inspection and maintenance. Lap-joint flanges have swivel feature that simplify positioning during installation, while material versatility allows them to operate at different temperatures and pressures such as high ones.
Petrochemical Refineries
Petrochemical refineries often use lap joint flanges to link piping systems, reactors, vessels etc. Due to its inherent flexibility towards thermal expansion/contraction on the other hand requires less effort while assembling or disassembling it thus making the turn around time during shutdowns for maintenance shorter.
Food and Beverage Industry
The food processing factories fitted lap-joint flanges on their piping systems. They are best suited for environments where cleanliness is key due to their cleanable hygienic design; ease of maintenance; ability to undergo thermal expansion without damage.
Power Generation Plants
Lap joint flanges find application in power generation plants as connectors between steam, water or gas circuits through pipelines. They can withstand high temperatures and pressures easily whereas maintaining such joints is not a problem. They are also used in critical applications like boiler systems and turbine installations because they can operate at high temperatures and pressures.
|
Nominal Pipe Size |
Diam. of Bore |
Length thru Hub H |
Diam. at Base of Hub M |
Diam of Holes I |
Approx Weight Kg |
Outside Diam. D |
Thickness Min. B |
Radius of Filet R |
Number of Holes |
Bolt Circle Diam. K |
|
B |
H |
R |
M |
I |
K |
|||||
|
2 |
62.5 |
25 |
78 |
19.1 |
2 |
150 |
19.1 |
7.9 |
4 |
120.7 |
|
1.1/4 |
43.7 |
21 |
59 |
15.7 |
1 |
115 |
15.9 |
4.8 |
4 |
88.9 |
|
3/4 |
28.2 |
16 |
38 |
15.7 |
0.6 |
125 |
12.7 |
3 |
4 |
69.9 |
|
1.1/2 |
50 |
22 |
65 |
15.7 |
1.3 |
100 |
17.5 |
6.4 |
4 |
98.6 |
|
1 |
35.1 |
17 |
49 |
15.7 |
0.8 |
110 |
14.3 |
3 |
4 |
79.2 |
|
1/2 |
22.9 |
16 |
30 |
15.7 |
60.5 |
90 |
11.2 |
3 |
4 |
60.5 |
Marking & Packing
Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All flanges are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.
We're professional lap joint flange manufacturers and suppliers in China, specialized in providing high quality customized products. We warmly welcome you to wholesale bulk lap joint flange for sale here from our factory.
Lap Joint Flange Asme B16 5, Lap Joint Pipe Flange, lap joint flange(0/10)
