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Fabrication

Stainless Steel Pipe Fitting Connection Method






The connection principle of this method is to use a hydraulic clamp to clamp the stainless steel pipe fitting on the pipe, and at the same time, the O-ring is used to achieve the water stopping effect, thereby having a connection effect. Although this method is easy to operate, the pipe wall is very thin, the connection strength is as low as about one-third of that of the pipe body, and the pipe cannot be disassembled. The stainless steel pipe port burr and the flash edge are not cleaned, and the rubber ring is easily broken. It is easy to leak.

The principle of this method is to use the nut of the tightening pipe fitting to press the stainless steel pipe and the pipe fitting with the convex ring axially, and then use the cone sealing ring to stop the water, thereby achieving the connection effect. The advantage is that it is detachable. The disadvantage is that the process of rolling the concave ring on the pipe end is increased during the installation process, the cost of the cast clamp is relatively high, and it cannot be used in the pipeline with negative pressure.

The connection principle of this method is to directly screw the stainless steel pipe fittings, and screw the two connecting members of the inner and outer interfaces with the tapered pipe threads to achieve the sealing effect by connecting the pressure of the port threads, thereby completing the connection. The utility model has the advantages that the utility model is easy to disassemble, the strength of the joint mouth reaches the strength of the pipe body, the installation is convenient and simple, the quality is reliable and stable, and the wall of the pipe member is thin, resulting in low cost, and if the external thread interface is wound around the Teflon raw material tape, it needs to be added. Force, and if a liquid raw tape is used, it can basically ensure that the interface will not leak for a long time.

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Related References:
Stainless Steel Tube Fitting
Stainless Steel Pipe Fitting Connection Method
ISO Steel Pipe Tube and Fittings Standard and Specifications
DIN Steel Pipe Tube and Fittings Standard and Specification
BS Pipe Tube and Fitting Standard and Specification
JIS Pipe Tube Fitting Standard
ASTM Standard Specification for Structural Tubing Mechanical Tubing
ASTM A403 Wrought Austenitic Stainless Steel Piping Fittings
Hydrostatic Test Pressure Flange Fittings
ASTM Material Specification Fitting Flange Cast Forging Valve
ASTM Valve Standard Specification
KF fittings KF flanges
ISO fittings ISO flanges
CF FLANGES CF FITTINGS

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Nickel Alloy Grades Comparison Material Grade Chart Carbon Steel
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Extruded Serrated Finned Tubes Integral Finned Tubes / Extruded Aluminum Finned Tubes
Brass Alloys Copper Nickel Alloy Integral Low Finned Tubes
HFW High Frequency Welded Helical Spiral Serrated Finned Tubes
Corrosion Resistant Stainless Steel
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Stainless Steel Tubing Pipe

304 Stainless Steel Pipe
304L Stainless Steel Pipe
304H Stainless Steel Pipe
304/304L Stainless Steel Tubing
309S Stainless Steel Pipe
310S Stainless Steel Pipe
316L Stainless Steel Tubing
316Ti Stainless Steel Tube
317L Stainless Steel Pipe
321 321H Stainless Steel
347 347H Stainless Steel
904L N08094 Seamless Tubes
17-4 PH 630 UNS S17400 Stainless Steel
253MA S30815 Stainless Steel Tube
S31254 254 SMO Pipe
S31803 Stainless Steel
2205 Duplex Pipe Tubing
S32101 Stainless Steel
S32304 Stainless Steel
2507 Super Duplex Pipe
S32750 Super Duplex Pipe
S32760 Super Duplex Steel
1.4462 Stainless Steel Pipe
ASTM A213 | ASTM A269
ASTM A312 | ASTM A511
ASTM A789 | ASTM A790
ASTM B161 / ASME SB 161 | ASTM B111
EN 10216-5
ASTM A789 ASME SA 789 S31803 S32205 S32101 S32750 S32760 S32304 S31500 S31260 Seamless Tubes
EN 10216-5 1.4462 1.4362 1.4162 1.4410 1.4501 Seamless Tubes
Nickel Alloy Tubing:

UNS N08020 Alloy 20 Tubing
UNS N02200 Alloy 200 Tube
UNS N02201 Alloy 201 Pipe
UNS N04400 Monel 400 Tubing
N06600 Inconel 600 Tube
N06601 Inconel 601 Tubing
N06625 Inconel 625 Tubes
N08800 Incoloy 800 Tube
N08810 Incoloy 800H Tube
N08811 Incoloy 800HT Tubing
UNS N08825 Incoloy 825 Pipe
ASTM B622 N10276 C276 Tubing
ASTM B622 N06022 Hastelloy C-22 Alloy Tubes
C28000 Brass Seamless Tubes C44300 Brass Seamless Tubes
C68700 Brass Seamless Tubes
C70600 Copper Nickel Tubes
C71500 Copper Nickel Tubes
DIN 2391 Seamless Precision Steel Tubes
EN 10305-1 E215 E235 E355 Seamless Precision Steel Tube Tubing Tubes
DIN 2393 St28 St34.2 St37.2 St44.2 St52.3 Welded Precision Steel Tubes
EN 10305-2 E195 E235 E355 Welded Cold Drawn Precision Steel Tube