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主要零件和材质Mainpartsandmaterials序号NO零件名称Accessorname材质MaterialASTM/API系列series1阀体BodyA216
主要零件和材质 Main parts and materials 产品结构特点 Construction features 1、符合GB标准的要求，结构合理、密封可靠、性能良好、造型美观。 2、材料品种齐全、填料、垫片可根据用户不同要求合理选配，能适用于各种压力、温度及介质工况，高温阀门耐压部件选用优质耐热合金钢制造，密封面采用司太立（stellite）钴基硬质合金，安全可靠，性能稳定，使用寿命长。 3、阀体阀盖结构设计合理，壁厚经严格控制及检测符合国家标准GB12234及美国标准ANSI B16.34要求，强度高、刚性好、流阻小。 4、采用楔式弹性闸板结构，经整体精铸制成，造型精美，密封性能好。 5、阀杆采用耐热合金钢，经锻粗和调质及表面氮化处理，有良好的综合力学性能和抗腐蚀性，抗擦伤性。 6、闸阀全部采用倒密封结构，可在不停机工况下进行维修或增改填料。 7、阀杆螺母采用内函式结构，与支架连接部位设置滚珠轴承，转动力矩小、启闭轻松。 8、根据用户或工程要求合理选择连接形式，多种操作方式可满足不同的使用要求。 1. Accord with GB standard, reasonable structure, reliable sealing, good performance and beautiful appearance. 2. Variety complete, packing and gasket materials reasonable matching, can according to customer's request to apply to all kinds of pressure, temperature and medium conditions, high pressure valve selects high quality alloy steel manufacturing,sealing surface using department too vertical (stellite) cobalt-based hard alloy,safe and reliable, stable performance and long service life. 3. The valve bonnet structure is reasonable, the wall thickness is strictly controlled and the test conforms to the national standard GB12234 and the American standard ANSI B16.34, the strength is high, the rigidity is good, the flow resistance is small. 4. Using wedge-type elastic gate structure, it is made of whole cast, with fine design and good sealing performance. 5. The stem is made of heat-resistant alloy steel with good mechanical properties and corrosion resistance and abrasion resistance. 6. Gate valves shall be fully resealed, which may be repaired or modified in unstopped working conditions. 7. The stem nut adopts the internal function structure, the ball bearing is set up with the connecting part of the bracket, the torque is small and the lifting is easy. 8. According to the requirements of users or engineering, the connection form should be reasonably selected, and various operation modes can meet different usage requirements. 产品特征 Spericfications 适用介质：水、气、油品、天然气和酸碱腐蚀性介质 适用温度：-196~540℃ 驱动方式：手动、气动、电动等 公称压力：20.0~32.0MPa 公称通径：2"~20" Applicable media: water, gas, oil, gas and acid and alkali corrosive medium Applicable temperature: -196~540℃ Driver: manual, pneumatic, electric, etc Nominal pressure: 20.0~32.0MPa Nominal size: 2"~20" 试验压力 Test prssure 闸阀结构长度和外接尺寸 Main connection dimensions
序号
NO零件名称
Accessor name材质 Material ASTM/API 系列 series 1 阀体 Body A216, WCB, A217(WC6, WC9) 2 螺柱 Bonnet bolt A193, B16 3 阀盖 Bonnet A216, WCB, A217(WC6, WC9) 4 填料 Packing 石墨 PTFE 5 圆柱销 Tin A276, 420 6 支架螺母 Nut A193, B7 7 千斤座 Topping bracket A216, WCB, A217(WC6, WC9) 8 填料压套 Gland A216, WCB, A217(WC6, WC9) 9 支架 Yoke A216, WCB 10 六角螺母 Nut A194, 4 11 四开环 Pendant colet ASTM, A105, A182, F11, F22 12 填料压盖 Gland A216, WCB, A217, WC6 13 密封垫 Gaskes A182, F304, A182, F11, F22 14 密封环 Seal ring 石墨 , A182, F316L 15 阀杆 Stem A276, 420, A182, F11, F22 16 浮动座 Floating seat ASTM, A105, A182, F11, F22 17 闸板 Wedge A216, WCB, A217(WC6, WC9) 18 阀杆螺母 Stem nut ZCuAl10Fe3 
技术规范 Technical specification设计依据 Design reference ASME/API系列 ASME/API series 设计标准 Design standard ASME B16.34 API600 结构长度 Face to face ASME B16.10 连接法兰 End flange ASME B16.25 试验和检验 Test & inspection API 598 压力等级
Pressure grade试验压力 Test pressure 公称压力 PN
Nominal pressure壳体试验
Sheil test正密封试验
Sealing test反密封试验
Sealing test气密封试验
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 PN:20.0 P54 100V PN:25.0 P54 140V PN:32.0 P54 170V 公称通径
DNL
(mm)H
(mm)L
(mm)H
(mm)L
(mm)H
(mm)2" 368 835 368 715 451 715 3" 381 975 470 735 578 735 4" 457 1200 546 830 673 830 6" 610 1280 705 1054 914 1054 8" 737 1370 832 1422 1022 1422 10" 838 1495 991 1715 1270 1715 12" 965 1830 1130 1905 1422 1905 14" 1029 2145 1257 1990 16" 1130 2405 1384 2210 20" 1321 2800 1664 2432
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