自動補償平衡式雙閘板平板閘閥
簡要描述:RETZ進口自動補償平衡式雙平板閘閥閥門采用兩塊互相平行的閘板及其楔緊裝置組成的密封結構取代傳統的楔式閘閥結構,主要用于氣、液體輸送管道的切斷或泄放
品牌:RETZ
工況條件:開/關
溫度/壓力:P-T: 160bar@25℃120℃
更新時間:2022/11/04
進口自動補償平衡式雙閘板平板閘閥性能描述 Performance description
自動補償平衡式雙閘板平板閘閥全封閉結構,防護性能好,密封采用耐磨、耐腐蝕材料制成,各零件互相分離,即使在溫度變化時引起變形也仍能保證密封,且不會因高溫膨脹而使閘板擠住打不開,在高溫、高壓情況下,進口一側閘板設計為可泄壓方式、防止由于溫度變化而引起的腔內壓力異常升高的現象,保證使用安全 RETZ The fully enclosed structure of the automatic compensation balanced double ram flat gate valve has good protection performance. The seal is made of wear-resistant and corrosion-resistant materials, and the parts are separated from each other. Even if the deformation is caused by temperature change, the seal can still be guaranteed, and the ram will not be squeezed and cannot be opened due to high temperature expansion. Under high temperature and high pressure, the ram at the inlet side is designed to be pressure relieving Prevent abnormal pressure rise in the cavity caused by temperature change, and ensure safe use
產品采用標準Technical Specification
設計標準Design standard:API 6D ,ASMEB16.34
結構長度Structuralength:API 6D ,ASMEB16.10
連接法蘭Flanged ends:ASMEB16.5 MSS SP44,GB/T9113 JB/T79
對焊端Butt-weldingends:ASMEB16.25,GB/T 12224
試驗和檢驗Test & inspection:API 6D ,API 598
適應溫度Applicable temperature :-29~121℃
公稱壓力 Nominal pressure:16-16Mpa,CL150-900LB
流量特性分析Flow Charalteristic
帶導流孔的平板閘閥,其流量特性等同于同規格的管道,呈等百分比特性,不帶導流孔的平板閘閥,其中腔跨度較楔式閘閥小,且屬于規則的圓柱體,所以,基本上除壓力損失較帶導流孔的大外,其余特性基本接近。不帶導流孔調節型的平板閘閥其對流量的調節特性優于普通不帶導流孔的平板閘閥 retz品牌 The flow characteristic of flat gate valves with a diversion hole is equal to that of pipelines of thesame specification. The characteristic is shown in per centum form. As for valves without a diversion hole, its cavity fly span is smaller than that of wedge gate vales and it is a regular cylindrical object,therefore,characteristics of the valves are similar except that they have a larger pressure loss.Besides, their flux adjustment behavior is better than that of the ones with a deversion hole.
閥門開度——Cv特性曲線表Valve-opening—Cv characteristic graph
進口自動補償平衡式雙閘板平板閘閥主要零件材料Major Parts Material Form
序號No. | 零件名稱Accessory name | 材料Material | |||
普通型Ordinary type | 抗硫型Antisulphur type | ||||
GB | ASTM | GB | ASTM | ||
1 | 閥體Body | WCB | A216-WCB | WCB | A216-WCB |
2 | 閘板Disc | 16Mn+STL | A105+STL | 1Cr18Ni9+STL | A276-304+STL |
3 | 彈簧Spring | Inconel X-750 | |||
4 | 閘板架Disc frame | WCB | A216-WCB | WCB | A216-WCB |
5 | 閥座Seat | A105+STL | A105+STL | 1Cr18Ni9+STL | A276-304+STL |
6 | 閥桿Stem | 2Cr13 | A276-410 | 1Cr18Ni9 | A276-304 |
7 | 墊片Gasket | 柔性石墨+1Cr18Ni9Graphite+1Cr18Ni9 | 柔性石墨+304Graphite+304 | 柔性石墨+1Cr18Ni9Graphite+1Cr18Ni9 | 柔性石墨+304Graphite+304 |
8 | 螺柱Stud | 35CrMoA | A193-B7 | 35CrMoA | A193-B7 |
9 | 螺母Nut | 35 | A194-2H | 35 | A194-2H |
10 | 閥蓋Bonnet | WCB | A216-WCB | WCB | A216-WCB |
11 | 上密封座Back seat | 1Cr13 | A276-410 | 1Cr18Ni9 | A276-304 |
12 | 填料Packing | 柔性石墨Graphite | |||
13 | 填料壓套Packing press-sleeve | 2Cr13 | A276-420 | 2Cr13 | A276-420 |
14 | 填料壓蓋Packing gland | WCB | A276-WCB | WCB | A216-WCB |
15 | 支架Yoke | WCB | A216-WCB | WCB | A216-WCB |
16 | 閥桿螺母Stem nut | ZQA19-4 | C95500 | ZQA19-4 | C95500 |
17 | 壓蓋Gland | 25 | A105 | 25 | A105 |
18 | 手輪Hand wheel | QT400-17 | A536-60-40-18 | QT400-17 | A536-60-40-18 |
19 | 指示罩Indicating cover | 25 | A105 | 25 | A105 |