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SS316 Lens Ring Type Joint Gasket

SS316 Lens Ring Type Joint Gasket

The best quality SS316 Lens Ring Type Joint Gasket you can order from us - The factory of all kinds of lens ring gaskets sold to the world markets.

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Lens Ring Type Joint Gasket - LRTJ 305

SS316 lens ring type Joint gasket is usually a line contact seal for use in high pressure piping devices as well as in pressure vessel heads. This lens cross section is often a spherical gasket surface area and requires specific machining on the flanges. In obtaining lens gaskets, complete drawings and product technical specs need to be supplied.

Lens gaskets are impervious to overpressure. With increasing loads, the contact surface between the spherical lens surface and the spherical flange groove increases, so that the surface pressure only increases to a lesser extent. A disadvantage with standard sealing lens is that, at high pressures and temperatures, the sealing lens can bulge along the circumference and weaken the tension of the connection. Also, at greater nominal diameter, the flange can become stuck in the area of the raised face diameter d5and lift up at the sealing diameter.


SS304 or SS316L SS316 Lens Ring Type Joint Gasket


For Lens RTJ Gasket, What You Can Get From Us?

Quick Delivery - We stock all types, sizes and materials lens ring type joint gaskets in house. So quick delivery available.
Easy Replacement - Standard size and regular material parts for all standard size lens ring type joint gaskets.
Good Quality - What You Get are from over 20 years manufacture experience parts.
Low Cost - Directly from our big and regular mass production.

Lens Ring Type Joint Gasket Application

Lens Ring Type Joint Gasket is primarily used in the oil, gas, petrochemical and offshore industries. They are also commonly used on valves, pipe-work assemblies and vessel joints and are used to seal flanged connections subject to high pressures and temperatures.

Dimension Chart of Lens Ring Type Gasket

Lens Ring Type Joint Gasket Dimension Size


DN 

d d1 a
r d3 x
min. max. max. d2
Nominal Pressure PN 64 - 400
10 10 14 21 7 17.1 25 18 5.7
15 14 18 28 8.5 22 32 27 6
25 20 29 43 11 34 50 39 6
40 34 43 62 14 48 70 55 8
50 46 55 78 16 60 88 68 9
65 62 70 102 20 76.6 112 85 13
80 72 82 116 22 88.2 129 97 13
100 94 108 143 26 116 170 127 15
125 116 135 180 29 149 218 157 22
150 139 158 210 33 171 250 183 26
Nominal Pressure PN 64 - 100
175 176 183 243 31 202.5 296 218 28
200 198 206 276 35 225 329 243 27
250 246 257 332 37 277.7 406 298 25
300 295 305 385 40 323.5 473 345 26
350 330 348 425 41 368 538 394 23
400 385 395 475 42 417.2 610 445 24
Nominal Pressure PN 160 - 400
175 162 177 243 37 202.5 296 218 21
200 183 200 276 40 225 329 243 25
250 230 246 332 46 277.7 406 298 25
300 278 285 385 50 323.5 473 345 30


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