Edge Welded Bellows

cf-bellow

Edge Welded Bellows

P.O.A

 

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Technical Specs

Edge Welded Bellows

LewVac edge welded bellows are more suited to applications that require greater flexibility, particularly axial compression and extension. Edge welded bellows are manufactured from a series of formed metal diaphragms welded together. Each diaphragm contributes to the overall extension / compression. More discs means greater extension attainable and also the greater the lateral offset achievable.

Features:

316L stainless steel as standard for lower cycle requirement applications (typically 10,000 cycles).
AM350 stainless steel also available for long lifetime (typically 1,000,000 cycles).
Titanium, Inconel­® or Hastelloy® available on request.
304 stainless steel as standard.
Custom sizes and designs available on request.

Specifications:

Temperature range:
      – 316L : -250˚C up to 250˚C.     

      – AM350 : -75°C to 250°C.

Materials:
      – Flanges : 304 or 304L stainless steel as standard.
      – Bellows : 316L or AM350 stainless steel.


Product CodeFig. No.FlangeThrough boreMax. bellow ODStrokeExtended lengthCompressed lengthLPriceQuantityPDF & STP
EWB16CF-121DN16CF16.031.512.156.444.320.0 P.O.A
    EWB16CF-251DN16CF16.031.5 25.4 74.4 49.020.0 P.O.A
      EWB16CF-381DN16CF16.031.5 38.7 92.5 53.820.0 P.O.A
        EWB16CF-501DN16CF16.031.5 50.8 108.9 58.120.0 P.O.A
          EWB16CF-761DN16CF16.031.5 76.2 143.3 67.120.0 P.O.A
            EWB16KF-12 2 DN16KF16.031.512.1 44.4 32.3 42.5 P.O.A
              EWB16KF-25 2 DN16KF16.031.5 25.4 62.4 37.0 43.0 P.O.A
                EWB16KF-38 2 DN16KF16.031.5 38.7 80.5 41.8 43.5 P.O.A
                  EWB16KF-50 2 DN16KF16.031.5 50.8 96.9 46.1 44.0 P.O.A
                    EWB16KF-76 2 DN16KF16.031.5 76.2 131.3 55.1 44.5 P.O.A
                      EWB16W-12 4 Weld16.031.512.1 48.4 36.3 16.0 P.O.A
                        EWB16W-25 4 Weld16.031.5 25.4 66.4 41.0 16.0 P.O.A
                          EWB16W-38 4 Weld16.031.5 38.7 84.5 45.8 16.0 P.O.A
                            EWB16W-50 4 Weld16.031.5 50.8 100.9 50.1 16.0 P.O.A
                              EWB16W-76 4 Weld16.031.5 76.2 135.3 59.1 16.0 P.O.A
                                EWB40CF-121 DN40CF 38.4 59.0 12.0 74.6 62.6 30.0 P.O.A
                                  EWB40CF-251 DN40CF 38.4 59.0 26.0 91.7 65.7 30.0 P.O.A
                                    EWB40CF-381 DN40CF 38.4 59.0 38.0 106.4 68.4 30.0 P.O.A
                                      EWB40CF-501 DN40CF 38.4 59.0 50.0 121.0 71.0 30.0 P.O.A
                                        EWB40CF-761 DN40CF 38.4 59.0 76.0 152.7 76.7 30.0 P.O.A
                                          EWB40KF-12 2 DN40KF 38.4 59.0 12.0 44.6 32.6 15.0 P.O.A
                                            EWB40KF-25 2 DN40KF 38.4 59.0 26.0 61.7 35.7 15.0 P.O.A
                                              EWB40KF-38 2 DN40KF 38.4 59.0 38.0 76.4 38.4 15.0 P.O.A
                                                EWB40KF-50 2 DN40KF 38.4 59.0 50.0 91.0 41.0 15.0 P.O.A
                                                  EWB40KF-76 2 DN40KF 38.4 59.0 76.0 122.7 46.7 15.0 P.O.A
                                                    EWB40W-12 4 Weld 38.4 59.0 12.0 64.0 52.0 24.7 P.O.A
                                                      EWB40W-25 4 Weld 38.4 59.0 26.0 81.1 55.1 24.7 P.O.A
                                                        EWB40W-38 4 Weld 38.4 59.0 38.0 95.8 57.8 24.7 P.O.A
                                                          EWB40W-50 4 Weld 38.4 59.0 50.0 110.4 60.4 24.7 P.O.A
                                                            EWB40W-76 4 Weld 38.4 59.0 76.0 142.1 66.1 24.7 P.O.A
                                                              EWB63CF-121 DN63CF 65.0 90.0 12.7 86.2 73.5 35.0 P.O.A
                                                                EWB63CF-251 DN63CF 65.0 90.0 25.5 102.5 77.0 35.0 P.O.A
                                                                  EWB63CF-381 DN63CF 65.0 90.0 38.3 118.8 80.5 35.0 P.O.A
                                                                    EWB63CF-501 DN63CF 65.0 90.0 51.0 135.0 84.0 35.0 P.O.A
                                                                      EWB63CF-761 DN63CF 65.0 90.0 76.5 167.5 91.0 35.0 P.O.A
                                                                        EWB63LF-12 3 DN63LF 65.0 90.0 12.7 86.2 73.5 35.0 P.O.A
                                                                          EWB63LF-25 3 DN63LF 65.0 90.0 25.5 102.5 77.0 35.0 P.O.A
                                                                            EWB63LF-38 3 DN63LF 65.0 90.0 40.5 118.8 78.3 35.0 P.O.A
                                                                              EWB63LF-50 3 DN63LF 65.0 90.0 54.0 135.0 81.0 35.0 P.O.A
                                                                                EWB63LF-76 3 DN63LF 65.0 90.0 76.5 167.5 91.0 35.0 P.O.A
                                                                                  EWB63W-12 4 Weld 65.0 90.0 12.7 67.2 54.5 25.5 P.O.A
                                                                                    EWB63W-25 4 Weld 65.0 90.0 25.5 83.5 58.0 25.5 P.O.A
                                                                                      EWB63W-38 4 Weld 65.0 90.0 38.3 99.8 61.5 25.5 P.O.A
                                                                                        EWB63W-50 4 Weld 65.0 90.0 51.0 116.0 65.0 25.5 P.O.A
                                                                                          EWB63W-76 4 Weld 65.0 90.0 76.5 148.5 72.0 25.5 P.O.A
                                                                                            EWB100CF-121 DN100CF 102.0 132.0 12.0 94.6 82.6 40.0 P.O.A
                                                                                              EWB100CF-251 DN100CF 102.0 132.0 26.9 112.8 85.9 40.0 P.O.A
                                                                                                EWB100CF-381 DN100CF 102.0 132.0 38.9 127.4 88.5 40.0 P.O.A
                                                                                                  EWB100CF-501 DN100CF 102.0 132.0 51.0 142.0 91.0 40.0 P.O.A
                                                                                                    EWB100CF-761 DN100CF 102.0 132.0 78.0 174.9 96.9 40.0 P.O.A
                                                                                                      EWB100LF-12 3 DN100LF 102.0 132.0 12.0 94.6 82.6 40.0 P.O.A
                                                                                                        EWB100LF-25 3 DN100LF 102.0 132.0 26.9 112.8 85.9 40.0 P.O.A
                                                                                                          EWB100LF-38 3 DN100LF 102.0 132.0 38.9 127.4 88.5 40.0 P.O.A
                                                                                                            EWB100LF-50 3 DN100LF 102.0 132.0 51.0 142.0 91.0 40.0 P.O.A
                                                                                                              EWB100LF-76 3 DN100LF 102.0 132.0 78.0 174.9 96.9 40.0 P.O.A
                                                                                                                EWB100W-12 4 Weld 102.0 132.0 12.0 72.4 60.4 28.9 P.O.A
                                                                                                                  EWB100W-25 4 Weld 102.0 132.0 26.9 90.6 63.7 28.9 P.O.A
                                                                                                                    EWB100W-38 4 Weld 102.0 132.0 38.9 105.2 66.3 28.9 P.O.A
                                                                                                                      EWB100W-50 4 Weld 102.0 132.0 51.0 119.8 68.8 28.9 P.O.A
                                                                                                                        EWB100W-76 4 Weld 102.0 132.0 78.0 152.7 74.7 28.9 P.O.A
                                                                                                                          EWB160W-251 DN160CF 150.0 185.0 27.2 123.2 96.0 45.0 P.O.A
                                                                                                                            EWB160CF-25 3 DN160LF 150.0 185.0 27.2 123.2 96.0 45.0 P.O.A
                                                                                                                              EWB160LF-25 4 Weld 150.0 185.0 27.2 97.8 70.6 32.3 P.O.A
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