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                  Teflon PTFE series
                  Expanded PTFE sealant joint
                  PTFE Tubing(Fine power)
                  PTFE Diaphragm
                  PTFE o-ring
                  PTFE envelope non-asbestos
                  PTFE sheet/rod
                  FEP envelope Viton O-ring
                  PFA Tubing
                  Gland Packing series
                  PTFE packing
                  PTFE Graphite packing
                  Carbon fiber packing
                  Flexible graphite packing
                  Aramid fiber packing
                  Acrylic Nitrile (PAN) packing
                  PTFE Muti-Filament packing
                  Asbestos packing with PTFE
                  Gasket series
                  Spiral wound gaskets
                  Ring joint gaskets
                  Lens gaskets
                  Corrugated gaskets
                  Camprofile gaskets
                  Double jacket graphite gasket
                  Plastic products
                  Die formed graphite ring
                  Sealing sheet series
                  Expanded Graphite sheet
                  Non-asbestos sheet
                  Tanged/foil graphite sheet
                  Rubber (EPDM,NBR) sheet
                  Fiber glass cloth
                  Ceramic fiber cloth
                  Cork sheet
                  Wool felt sheet
                  Tower packing
                  Pall ring
                  Tellerette packing
                  Muti-surface hollow ball
                  PP ball
                  Rashing ring
                  Plastic ripple padding
                  Orifice corrugate packing
                  Wire mesh corrugate packing
                  Rubber series
                  Viton rubber sleeves
                  EPDM Extrusion
                  Neoprene Mouldings
                  Silicone rubber sheet
                  Nature rubber grommets
                  Nitrile Rubber oil seal
                  Aflas O ring
                  Fluorosilicone Rubber
                   
                  WELCOME to Cixi Dongfeng Sealing&packing web site.
                  Here you will find information on many different types of sealing gaskets, packings and materials which are in common used in oil chemical, metallurgy, electric power, ship-building, papoer making and fertilizer industries today.
                  Please feel free to send us comments, request technical information or email us.
                  Your comments and feedback are important to us.
                    You are in : Home>>Products>>Gasket series>>Spiral wound gaskets
                     
                   
                  Spiral Wound Gaskets
                   
                       

                  1. Structure
                  The wound style gasket consists of "V-shape"(or"W-shape")metal tape and nonmetal tape,which are overlapped each other and wound continuously.To fasten the metal tape,both its start point and end point are tack welded.

                  2.Performance and Features
                  1. Wide range of applicable working condition,high temperature and high pressure resistance,applicable to super low temperature and vacuum condition.Chemical resistant gasket is available under various medium,through change of composition of gasket.
                  2.Strong stress compensation,stable and reliable sealing performance even under frequent pressure fluctuation condition.
                  3.Perfect sealing performance.
                  4.Normal requirement of flange surface finishing which contact with gasket.
                  5.Easy installation and low pre-tightening stress of gasket.

                  3.Kinds of Gasket
                  1.A.Wound style gasket consists of four type:basic type,with inner ring,with outer ring,and with inner and outer rings. B.Heat exchanger wound style gasket:basic type and with inner and outer rings.
                  2. Normally matrial used:
                  A.Steel tape:08F,0Cr18Ni9(304),0Cr18Ni9Ti,1Cr18Ni9Ti(321),0Cr17Ni12,M02(316),00Cr17Ni14M02(316L).
                  B.(Cold roll)steel plate for inner and outer ring:Outer ring:mild steel,0Cr13 and 0Cr18Ni9
                  Inner ring:same as steel tape,special order is a available through negotiation.
                  C.Nonmetal tape:flexible graphite,special made asbestos,teflon and non-asbestos paper.

                  4.Scope of Application
                  1. Working temperature:-196℃ -700℃(not higher than 600℃ in oxidic medium)
                  2.Working pressure:≤25MPa
                  3.Gasket coefficient:m=2.5-4
                  4.Min.pre-tightening specific pressure:y-68MPa
                  5.Max.machinable size:-2800mm

                   
                   

                  Standard type

                  Gasket Thickness:4.5mm


                  Standard type

                  Gasket Thickness:4.5mm


                  Standard type

                  Gasket Thickness:4.5mm


                  Standard type

                  Gasket Thickness:4.5mm


                       
                   
                  150
                  300
                  400
                  600
                  900
                  a1500
                  2500
                  D2
                  D3
                  D4
                  D2
                  D3
                  D4
                  D2
                  D3
                  D4
                  D2
                  D3
                  D4
                  D2
                  D3
                  D4
                  D2
                  D3
                  D4
                  D2
                  D3
                  D4
                  1/2B
                  19.0
                  31.8
                  47.8
                  19.0
                  31.8
                  54.1
                  19.0
                  31.8
                  54.1
                  19.0
                  31.8
                  54.1
                  19.0
                  31.8
                  63.5
                  19.0
                  31.8
                  63.5
                  19.0
                  31.8
                  69.8
                  3/4
                  25.4
                  39.6
                  57.2
                  25.4
                  39.6
                  66.8
                  25.4
                  39.6
                  66.8
                  25.4
                  39.6
                  66.8
                  25.4
                  39.6
                  69.8
                  25.4
                  39.6
                  69.8
                  25.4
                  39.6
                  76.2
                  1
                  31.8
                  47.8
                  66.8
                  31.8
                  47.8
                  73.2
                  31.8
                  47.8
                  73.2
                  31.8
                  47.8
                  73.2
                  31.8
                  47.8
                  79.5
                  31.8
                  47.8
                  79.5
                  31.8
                  47.8
                  85.8
                  11/4
                  47.8
                  60.4
                  76.2
                  47.8
                  60.4
                  82.6
                  47.8
                  60.4
                  82.6
                  47.8
                  60.4
                  82.6
                  39.6
                  60.4
                  88.9
                  39.6
                  60.4
                  88.9
                  39.6
                  60.4
                  104.9
                  11/2
                  54.1
                  69.8
                  85.8
                  54.1
                  69.8
                  95.2
                  54.1
                  69.8
                  95.2
                  54.1
                  69.8
                  95.2
                  47.8
                  69.8
                  98.6
                  47.8
                  69.8
                  98.6
                  47.8
                  69.8
                  117.6
                  2
                  69.8
                  85.8
                  104.9
                  69.8
                  85.8
                  111.2
                  69.8
                  85.8
                  111.2
                  69.8
                  85.8
                  111.2
                  58.7
                  85.8
                  143.0
                  58.7
                  85.8
                  143.0
                  58.7
                  85.8
                  146.0
                  2 1/2
                  82.6
                  98.6
                  124.0
                  82.6
                  98.6
                  130.3
                  82.6
                  98.6
                  130.3
                  82.6
                  98.6
                  130.3
                  69.8
                  98.6
                  165.1
                  69.8
                  98.6
                  165.1
                  69.8
                  98.6
                  168.4
                  3
                  101.6
                  120.6
                  136.6
                  101.6
                  120.6
                  149.4
                  101.6
                  120.6
                  149.4
                  101.6
                  120.6
                  149.4
                  95.2
                  120.6
                  168.4
                  92.2
                  120.6
                  174.8
                  92.2
                  120.6
                  196.8
                  4
                  127.0
                  149.4
                  174.8
                  127.0

                  149.4

                  181.1
                  120.6
                  149.4
                  177.8
                  120.6
                  149.4
                  193.8
                  120.6
                  149.4
                  209.6
                  117.6
                  149.4
                  209.6
                  117.6
                  149.4
                  235.0
                  5
                  155.7
                  177.8
                  196.8
                  155.7
                  177.8
                  215.9
                  147.6
                  177.8
                  212.8
                  147.6
                  177.8
                  241.3
                  147.6
                  177.8
                  247.6
                  143.0
                  177.8
                  254.0
                  143.0
                  177.8
                  279.4
                  6
                  182.6
                  209.6
                  222.2
                  182.6
                  209.6
                  251.0
                  174.8
                  209.6
                  247.6
                  174.8
                  209.6
                  266.7
                  174.8
                  209.6
                  289.0
                  171.4
                  209.6
                  282.7
                  171.4
                  209.6
                  317.5
                  8

                  233.4

                  263.6
                  279.4
                  233.4
                  263.6
                  308.1
                  255.6
                  263.6
                  604.8
                  255.6
                  263.6
                  320.8
                  222.2
                  257.3
                  358.9
                  215.9
                  257.3
                  352.6
                  216.9
                  257.3
                  387.4
                  10
                  287.3
                  317.5
                  339.8
                  287.3
                  317.5
                  362.0
                  274.6
                  317.5
                  358.9
                  274.6
                  317.5
                  400.0
                  276.4
                  311.2
                  435.1
                  266.7
                  311.2
                  435.1
                  270.0
                  311.2
                  476.2
                  12
                  339.8
                  374.6
                  409.7
                  339.8
                  374.6
                  422.4
                  327.2
                  374.6
                  419.1
                  327.2
                  374.6
                  457.2
                  323.8
                  368.3
                  498.6
                  323.8
                  368.3
                  520.7
                  317.5
                  368.3
                  549.4
                  14
                  371.6
                  406.4
                  450.8
                  371.6
                  406.4
                  485.9
                  362.0
                  406.4
                  482.6
                  362.0
                  406.4
                  492.2
                  355.6
                  400.0
                  520.7
                  362.0
                  400.0
                  577.8
                  -
                  -
                  -
                  16
                  422.4
                  463.6
                  514.1
                  422.4
                  463.6
                  539.8
                  412.8
                  463.6
                  536.7
                  412.8
                  463.6
                  565.2
                  412.8
                  457.2
                  574.8
                  406.4
                  457.2
                  641.1
                  -
                  -
                  -
                  18
                  474.7
                  527.0
                  549.4
                  474.7
                  527.0
                  596.9
                  469.9
                  527.0
                  593.8
                  469.9
                  527.0
                  612.9
                  463.6
                  520.7
                  638.3
                  463.6
                  520.7
                  704.8
                  -
                  -
                  -
                  20
                  525.5
                  577.8
                  606.6
                  525.5
                  577.8
                  654.0
                  520.7
                  577.8
                  647.7
                  520.7
                  577.8
                  682.8
                  520.7
                  571.5
                  698.5
                  514.4
                  571.5
                  755.6
                  -
                  -
                  -
                  24
                  628.6
                  685.8
                  717.6
                  628.6
                  685.8
                  774.7
                  628.6
                  685.8
                  768.4
                  628.6
                  685.8
                  790.7
                  628.6
                  679.4
                  838.2
                  616.0
                  679.4
                  901.7
                  -
                  -
                  -
                     
                   
                  Contact Information
                  Company:

                  Cixi Dongfeng Sealing & packing co., Ltd

                  Address: No.225,Jinsha Road,Cixi city,NingboChina
                  P.C: 315300
                  Tel: 86-574-63225670,63225671,63225672,63226625
                  Fax: 86-574-63226688
                  Url: www.d5delica.com
                  E-mail: sales@chinaptfe.com
                  xiaojun@chinaptfe.com

                  河北十一选五-欢迎您