API美标对夹蝶阀产品概述
美标对夹蝶阀采用三维偏心斜锥形阀座密封副,蝶板密封采用新型金属片与弹性材料层叠而成,嵌装在蝶板上与阀座吻合。利用蝶板摆动压紧密封,所以密封面摩擦阻力小,关闭是具有越关越紧功能,这样密封性能可靠,开启确保密封面脱离接触,保证了密封面不受损伤。 美标对夹蝶阀广泛适用于低压、中压、高压、钢铁冶金、石油、化工、电力等工业管道上作截断或调节介质流量用。
美标对夹蝶阀产品特点
1、密封可调节,10万次寿命无泄漏:
2、特殊密封结构,在高温和冷态工作况下,密封无应力变形,达到零泄漏;
3、三维偏心结构,开启密封即分离,关闭接触即密封;
4、轴向定位装置,解决轴向密封面磨损易泄漏的难题,传动执行器可朝任意向方安装;
5、适用于食品、医药、化工等净管路及工业环保、水处理、高层建筑、给排水管路作启闭或调节介质流量之用。
美标对夹蝶阀执行标准
产品规范 Product specification | 设计与制造 Design manufacture | 结构长度 Structure length | 连接尺寸 Connection size | 检验与实验 Inspection experiment |
API 609 ASME B16.34 | API 609 ASME B16.10 | ANSI B16.5 | API 598 |
美标对夹蝶阀主要零件材质
序号 NO. | 零件名称 Parts name | 材料 Material | ||||
A216 WCB | A217 WC6 | A217 WC9 | A351 CF8 | A351 CF8M | ||
1 | 阀体 Body | A216 WCB | A217 WC6 | A217 WC9 | A351 CF8 | A351 CF8M |
2 | 键 Key | A182 F6a | 25Cr2MoV | 25Cr2MoV | A182 F304 | A182 F316 |
3 | 阀杆 Stem | A182 F6a | 25Cr2MoV | 25Cr2MoV | A182 F304 | A182 F316 |
4 | 蝶板 Butterfly board | A216 WCB | A217 WC6 | A217 WC9 | A351 CF8 | A351 CF8M |
5 | 密封圈 Seal ring | 304/316+石墨 Graphite 304/316+PTFE | ||||
6 | 压板 Platen | A105 | A182 F22 | A182 F22 | A182 F304 | A182 F316 |
7 | 螺钉 Screw | A193 B7 | A193 B16 | A193 B16 | A193 B8 | A193 B8M |
8 | 螺柱 Bolt | A193 B7 | A193 B16 | A193 B16 | A193 B8 | A193 B8M |
9 | 底盖 Bottom cover | A105 | A182 F22 | A182 F22 | A182 F304 | A182 F316 |
10 | 垫片 Gasket | 柔性石墨 Flexible graphite | PTFE | PTFE | ||
11 | 下轴套 Lower bushing | 304+PTFE | 304+PTFE | 304+PTFE | 304+PTFE | 316+PTFE |
12 | 上轴套 Upper bushing | 304+PTFE | 304+PTFE | 304+PTFE | 304+PTFE | 316+PTFE |
13 | 填料垫 Packing pad | A182 F304 | A182 F304 | A182 F304 | A182 F304 | A182 F316 |
14 | 填料 Filler | 柔性石墨 Flexible graphite | PTFE | PTFE | ||
15 | 螺栓 Bolt | A193 B7 | A193 B16 | A193 B16 | A193 B8 | A193 B8M |
16 | 填料压套 Packing sleeve | A216 WCB | A217 WC6 | A217 WC9 | A351 CF8 | A351 CF8M |
17 | 螺母 Nut | A194 2H | A194 7 | A194 7 | A194 8 | A194 8M |
18 | 螺栓 Bolt | A193 B7 | A193 B16 | A193 B16 | A193 B8 | A193 B8M |
19 | 支架 Support | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
美标对夹蝶阀外形连接尺寸
·
815W 150LB | 830W 300LB | ||||||||||
规格 Size | 尺寸 Dimension | 规格 Size | 尺寸 Dimension | ||||||||
DN | NPS | L | D1 | D2 | n-d0 | DN | NPS | L | D1 | D2 | n-d0 |
50 | 2 | 43 | 120.5 | 92 | 4-19 | 50 | 2 | 43 | 127 | 92 | 4-19 |
65 | 2-1/2 | 46 | 139.7 | 105 | 4-19 | 65 | 2-1/2 | 46 | 149 | 105 | 4-22 |
80 | 3 | 49 | 152.5 | 127 | 4-19 | 80 | 3 | 49 | 168 | 170 | 4-22 |
100 | 4 | 56 | 190.5 | 157 | 4-19 | 100 | 4 | 56 | 200 | 157 | 4-22 |
125 | 5 | 64 | 215.9 | 186 | 4-22 | 125 | 5 | 64 | 235 | 186 | 4-22 |
150 | 6 | 70 | 241.5 | 261 | 4-22 | 150 | 6 | 70 | 270 | 216 | 4-22 |
200 | 8 | 71 | 298.5 | 270 | 4-22 | 200 | 8 | 71 | 330 | 270 | 4-25 |
250 | 10 | 76 | 362 | 324 | 4-25 | 250 | 10 | 76 | 387.4 | 324 | 4-28.5 |
300 | 12 | 86 | 431.8 | 381 | 4-25 | 300 | 12 | 86 | 450.8 | 381 | 4-31.8 |
350 | 14 | 92 | 476.2 | 412.8 | 4-28.5 | 350 | 14 | 92 | 514.4 | 412.8 | 4-31.6 |
400 | 16 | 102 | 539.8 | 469.9 | 4-28.5 | 400 | 16 | 102 | 571.5 | 469.9 | 4-35 |
450 | 18 | 114 | 577 | 533.4 | 4-31.8 | 450 | 18 | 114 | 628.6 | 533.4 | 4-35 |
500 | 20 | 127 | 635 | 584.2 | 4-31.8 | 500 | 20 | 127 | 685.8 | 584.2 | 4-35 |
600 | 24 | 154 | 749.3 | 692.2 | 4-35 | 600 | 24 | 154 | 812.8 | 692.2 | 4-41.1 |
700 | 28 | 165 | 795.5 | 762 | 4-22 | 700 | 28 | 165 | 857 | 787 | 4-35.5 |
800 | 32 | 190 | 900 | 864 | 4-22 | 800 | 32 | 190 | 978 | 902 | 4-42 |
900 | 36 | 203 | 1009.5 | 972 | 4-26 | 900 | 36 | 203 | 1089 | 1010 | 4-45 |