| 材質：金屬纏繞墊 | 截麵形狀：O型 | 作用：固定密封 |
| 適用范圍：泵 | 性質：耐高溫 | 品牌：Flexitallic |
| 型號：Spiral wound gasket | 厚度：3.2 4.5（mm） | 樣品或現貨：現貨 |
| 是否標準件：標準件 | 是否進口：否 | 使用壓力：2500lb（MPa） |
| 使用溫度：650（℃） | | |
ng>描述：Flexitallic金屬纏繞墊片由V形或W形不銹鋼帶和非金屬填充料疊合，螺旋卷繞，始末端點焊而成。具有良好的壓縮回彈性，適用於溫度、壓力交變劇烈的密封部位，是管道、閥門、泵、換熱器、塔、人孔、手孔等法蘭連接處的靜密封元件。廣泛應用於石化、機械、電力、冶金、造船、醫藥、原子能和宇航等部門。ng>
產品標準：
ng>我們能按照ASME B 16.20，MSS SP-44，API 605，DIN，JIS，JPI，BS 1560，JG/T，GB/T，HG，SH等標準生產。或者由用戶具體註明要求。如墊片用在換熱器上且帶有筋條時，請提供具體的圖紙
ng>
墊片型式: ng>R :No Centerring RIR:with inner ring gasket CG :with centerring gasket CGI :with inner ring &outer ring gasket
ng>
ng>使用范圍：ng>
ng> ng>
ng>CG型：利用外環來使墊片在法蘭麵上精確定位，同時外環提供額外的徑向強度以防止墊片爆裂，有止壓制的作用，這種通用墊片適用於壓力等級達2500磅級的平麵和凸麵法蘭。壓力等級在600磅級以上推薦使用內環。ng>
ng> ng>
ng>CGI型：該結構是在CG墊片上裝配內環，該內環具有補充的止壓縮作用，同時阻擋熱流和介質侵蝕，防止纏繞帶和法蘭受到腐蝕，此種墊片適用於平麵和凸麵法蘭並且特別適用於高壓/高溫工況，以及壓力等級900乃至更高等級或者存在腐蝕、毒性介質的工況。ng>
ng> ng>
ng>R型：基本結構型，用幾層不含填料的金屬纏繞帶增強墊片的內徑和外徑，可提供更大和更好的穩定性和壓縮性，適用於榫槽麵 、凹凸麵 、平麵和凹槽麵配合的法蘭。ng>
ng> ng>
ng>RIR型：實體金屬內環起止壓縮作用，同時填充法蘭孔和墊片內徑之間的環形空間，此結構可以阻止固體物的堆積，減少工藝流體的湍流，使法蘭麵的侵蝕最小化，適用於凸凹麵法蘭。ng>
ng>訂購時請註明：ng>
ng> ng>
ng>墊片型式：R /RIR/CG/CGIng>
ng>公稱通徑：例如 4" /DN100ng>
ng>壓力等級：例如 150LB/PN2.0ng>
ng>墊片標準：例如 ASME B 16.20/SH3407ng>
ng>纏繞部分材料：316L/FLEXICARBng>
ng>外環材質：碳鋼/CSng>
ng>內環材質：316Lng>
ng>一般內環材質同鋼帶，以滿足介質及工況要求為可。
外環材質同管道及相應設備外殼，碳鋼外環較為經濟。
具體訂單，應註明具體的材質、所用標準、公稱通徑DN、壓力等級PN，
或註明具體尺寸：
D1：內環內徑；D2：內環外徑；D3：外環內徑；D4：外環外徑ng>
寫法：ng>D1*D2*D3*D4 墊片的默認厚度4.5mm 內環 外環的厚度3.2mmng>
ng>Flexitallic spiral wound gasket consists of a thin metallic strip and soft non-metallic filler that are simultaneously wound on a rotating mandrel. the metal hoop is pre-formed with a V or W shaped profile,which allows the gasket to act as a spring between the flanges.ng>ng>style CG and CGI Spiral Wound gaskets can be manufactured in accordance with all relevant gasket standards to suit the following flange designations:ng>ng>ASME B16.5 BS1560 ASME B16.47 SERIES A(API 605) ASME B16.47 SERIES B(MSS SP 44) ng>ng>DIN FLANGES JIS FLANGESng>ng> BS4504ng>
ng>WHEN ORDERING PLEASE SPECIFYng>
ng>GASKET STYLE : CGI OR CGng>
ng>NOMINAL PIPE SIZE: 1"ng>
ng>PRESSURE RATING: CL150ng>
ng>GASKET STANDARD: ASME B16.20ng>
ng>WINDING MATERIAL : 316L/FLEXICARBng>
ng>OUTER RING MATERIAL: CARBon STEELng>
ng>INNER RING MATERIAL: 316Lng>
ng>Remarks:All CG and CGI Gaskets for these standard flanges are 0.175 in (4.5mm) thick, fitted with
0.125 in (3.2mm) thick solid metal rings, unless otherwise stated.ng>
ng>Style CG - Utilizes an external ring which accurately centers gasket on flange face, provides additional radial strength to prevent gasket blow-out and acts as a compression stop. A general purpose gasket suitable for use
with flat face and raised face flanges up to and inclusive of class 2500. Above class 600 an internal ring is recommended.ng>
ng>Style CGI - A Style CG gasket fitted with internal ring which gives an additional compression limiting stop and provides heat and corrosion barrier protecting gasket windings and preventing flange erosion. Suitable for use
with flat face and raised face flanges and specified for high pressure/temperature service -class 900 and above or where corrosive.ng>
ng>Style R - Basic construction type. Inner and outer diameters are reinforced with several plies of metal without filler to give greater stability and better compression and sealing characteristics. Suitable for tongue and groove or male and female or grooved to flat.ng>
ng>Style RIR - Solid inner metal ring acts as a compression stopand fills the annular space between flange bore and the inside diameter of the gasket. Designed to prevent accumulation of solids, reduce turbulent flow of process fluids and minimize erosion at flange faces.Suitable for male and female pipe flanges.ng>
| ng>金屬纏繞帶(metal winding strip)ng> | ng>填充材料 Filler Materialng> | ng>內徑材料Inner ring materialng> | ng>外環材料Outer ring Materialng> |
| ng>304SSng> | ng>Flexicarb Flexible graphiteng> | ng>304SSng> | ng>304SSng> |
| ng>316Lng> | ng>Thermiculite 835ng> | ng>316Lng> | ng>316Lng> |
| ng>316Ting> | ng>Flexite Superng> | ng>316Ting> | ng>316Ting> |
| ng>321SSng> | ng>Non-asbestong> | ng>321SSng> | ng>321SSng> |
| ng>347SSng> | ng>PTFEng> | ng>347SSng> | ng>347SSng> |
| ng>Monelng> | ng>Ceramicng> | ng>Monelng> | ng>Monelng> |
| ng>Titaniumng> | ng>Micang> | ng>Titaniumng> | ng>Titaniumng> |
| ng>Hastelloyng> | ng>Non-sintered PTFEng> | ng>Hastelloyng> | ng>Hastelloyng> |
| ng>Duplexng> | ng> ng> | ng>Duplexng> | ng>Duplesng> |
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