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聯(lián)系我時，請告知來自 環(huán)保在線產品結構特點Constructionfeatures1、產品設計制造按E101和JB/T3595標準的規(guī)定，結構合理，性能優(yōu)良，造型美觀
產品結構特點 Construction features 1、產品設計制造按 E101和 JB/T 3595標準的規(guī)定，結構合理，性能優(yōu)良，造型美觀。 2、閥門中腔采用壓力自緊式密封結構，密封性能好。支管兩端為焊接結構，焊接坡口可按標準或用戶要求配接。 3、閥瓣、閥座密封面采用司太立（stellite）鈷基硬質合金堆焊而成，耐磨、耐高溫、抗擦傷性能好、使用壽命長。 4、閥桿經調質和表面氮化處理，有良好的抗腐蝕性和抗擦傷性。 5、閥蓋填料函深度合理，填料加緩蝕劑，密封可靠。 6、閥門具有倒密封結構，保證閥門開啟運行時，不經閥桿外漏。 7、電動截止閥配有DZW系列閥門電動裝置，具有殼體小，重量輕，功能全，外形美等特點，并可與程控電腦配套使用，也可按用戶要求選配電動裝置。 1. Product design and manufacturing shall be based on E101 and JB/T 3595 standard, with reasonable structure, excellent performance and beautiful appearance. 2. Pressure self-tightening sealing structure is adopted in the valve middle cavity, and the sealing property is good. The two ends of the branch are welded, and the weld groove can be connected by standard or user's request. 3. The disc and seat cover are made of stellite and cobalt base hard alloy, wear resistant, high temperature resistance, good abrasion resistance and long service life. 4. The valve rod is treated with adjustment and surface nitrification. It has good corrosion resistance and abrasion resistance. 5. The valve cover packing function is reasonable, packing and corrosion inhibitor, sealing and reliable. 6. The valve has an inverted seal structure to ensure that the valve opens and runs without the stem leakage. 7, electric cut-off valve is equipped with DZW series valve electric device, with a small shell, light weight, full functions, appearance beautiful wait for a characteristic,ａnd can be used with programmable computer, can also be equipped with electric device according to the requirements of customers. 產品特征 Spericfications 適用介質：水、氣、油品、天然氣和酸堿腐蝕性介質 適用溫度：-196~425℃ 驅動方式：手動、氣動、電動等 公稱壓力：900LB~2500LB 公稱通徑：2"~10" Applicable media: water, gas, oil, gas and acid and alkali corrosive medium Applicable temperature: -196 ~ 425℃ Driver: manual, pneumatic, electric, etc Nominal pressure: 900LB~2500LB Nominal size: 2"~10" 主要零件和材質 Main parts and materials 技術規(guī)范 Technical specification 試驗壓力 Test prssure 截止閥結構長度和外接尺寸 Main connection dimensions
序號
NO零件名稱
Accessor name材質 Material ASTM/API 系列 series 1 閥體 Body A216, WCB, A217(WC6, WC9) 2 浮動座 Floating seat ASTM, A105, A182(F304, F11, F22) 3 密封環(huán) Seal ring 石墨 PTFE, 316L 4 密封墊 Gaskes A182(F304, F11, F22) 5 四合環(huán) Washer ASTM, A105, A182(F11, F22) 6 閥蓋 Bonnet ASTM, A105, A182, F304 7 千斤座 Topping bracket A216, WCB, A217, WC6 8 圓錐銷 Pin A276(F420, 304) 9 活節(jié)螺栓 Bonnet bolt A193, B7, B16, B8, B8M 10 填料 Packing 石墨 PTFE 11 填料壓蓋 Gland A216, WCB, A217, WC6 12 螺母 Nut A193, B7, B16, B8, B8M 13 支架 Yoke ASTM, A105 14 六角螺母 Nut ASTM, A105 15 內六角螺柱 Bonnet bolt ASTM, A105 16 夾排 Clip line ASTM, A105, A182(F304, F316, F316L) 17 閥瓣 Wedge ASTM, A105, A182(F304, F316, F316L) 18 小閥瓣 Wedge ASTM, A105, A182(F304, F316, F316L) 19 閥瓣蓋 Bonnet cap A276(420, 304, 304L, 316, 316L), A182, F11, F22 20 閥桿 Stem A193, B7, B16, B8, B8M 21 螺柱 Bonnet bolt 設計依據 Design reference ASME/API系列 ASME/API series 設計標準 Design standard ASME B16.34 BS 1873 結構長度 Face to face ASME B16.10 連接法蘭 End flange ASME B16.25 試驗和檢驗 Test & inspection API 598 壓力等級
Pressure grade試驗壓力 Test pressure 公稱壓力 PN
Nominal pressure殼體試驗
Sheil test正密封試驗
Sealing test反密封試驗
Sealing test氣密封試驗
Air seal test900LB 22.5 16.5 16.5 0.6 1500LB 37.5 27.5 27.5 0.6 2500LB 63 46.2 46.2 0.6 900LB 1500LB 2500LB 公稱通徑
DNL
(mm)H
(mm)L
(mm)H
(mm)L
(mm)H
(mm)2" 368 470 368 540 451 650 2 1/2" 419 560 419 670 508 840 3" 381 685 470 840 578 990 4" 457 830 546 990 673 1210 6" 610 1120 705 1280 914 1470 8" 737 1450 832 1600 1022 1740 10" 838 1960 991 2150
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