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对夹式双板止回阀 KF-BCV 1400 Series
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对夹式双板止回阀(KF-BCV 1400 Series)
Wafer Type Dual Disc Check Valve
产品特性/Product Feature
■ 中线结构，结构长度短，体积小，重量轻。
■ 流道通畅，流体阻力小。
■ 阀瓣采用弹簧加载，其快速关闭能有够效减小水锤压力。
■ 密封性能好，关闭无噪声，可以满足零泄漏要求。
■ 安装方便，水平管道和垂直管道都可以使用。
■ Centerline structure, short face to face length, small volume and light weight.
■ Unobstructed flow passage, small fluid resistance.
■ Disc uses the spring to load, its quick closedown can effective reduce the hammer pressure.
■ The sealing property is good, the closure does not have noise and can meet the requirement of zero leakage.
■ Easy installation, can be used in both horizontal and vertical pipes.
技术参数/Technical Parameters
| 公称通径DN(mm) Nominal diameter | 50～600 | 50～600 | |
| 公称压力(Mpa) Nominal pressure | 1.0 | 1.6 | |
| 试验压力 Testing pressure | 壳体(Mpa) Shell | 1.5 | 2.4 |
| 密封(Mpa) Seal | 1.1 | 1.76 | |
| 适用温度（°C） Suitable temperature | -40°C～200°C | ||
| 适用介质 Suitable medium | 饮用水、污水、海水、食品、药品、气体、油类、酸类 Drinking water、sewage、seawater、food、medicines、gas、oil and acid | ||
主要原材料/Main Raw Material
| 阀体 Body | 阀板 Disc | 阀轴 Stem | 阀座 Seat | 驱动 Actuator | ||
| 灰铸铁 Cast iron | 电镀球墨铸铁 Plated ductile iron | 不锈钢 Stainless steel customised | 乙丙/丁腈橡胶 EPDM/NBR | 不锈钢 SS304 | ||
| 球墨铸铁 Ductile iron | CF8不锈钢 Stainless steel | 饮用水认证乙丙橡胶 WRAS-EPDM | 不锈钢 SS316 | |||
| CF8M不锈钢 Stainless steel | 氟橡胶 Viton | |||||
| 铝青铜 Aluminum bronze | 硅橡胶 Silicon | |||||
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参照标准/Referance Standard
| 设计标准 Design standard | API 594 |
| 试验标准 Testing standard | API 598 |
| 侧法兰标准 End flange standard | ANSI 125# / 150# |
| 结构长度标准 Face to face standard | —— |
外形尺寸及单重/Overall Dimension and Weight
| 规格 Size | L | ΦD1 | ΦD2 | ΦD3 | ΦD4 | ΦD5 | 重量（kg） Weight |
| DN50 | 53.98 | 125 | 84.14 | 64.95 | 47.63 | 18 | 2.27 |
| DN65 | 53.98 | 145 | 98.43 | 77.52 | 58.72 | 18 | 2.72 |
| DN80 | 53.98 | 160 | 115.89 | 90.22 | 69.85 | 18 | 3.63 |
| DN100 | 63.5 | 180 | 152.88 | 114.05 | 87.3 | 18 | 6.81 |
| DN125 | 66.68 | 210 | 171.45 | 141.03 | 112.7 | 18 | 9.08 |
| DN150 | 79.38 | 240 | 200.03 | 168.02 | 114.27 | 22 | 11.8 |
| DN200 | 98.43 | 295 | 254 | 218.95 | 192.07 | 22 | 19.52 |
| DN250 | 101.6 | 350 | 307.98 | 272.79 | 230.17 | 22 | 26.33 |
| DN300 | 130.18 | 400 | 365.13 | 323.72 | 274.62 | 22 | 45.4 |
| DN350 | 180.98 | 460 | 396.88 | 355.35 | 306.37 | 22 | 61.29 |
| DN400 | 161.93 | 515 | 450.85 | 409.58 | 355.6 | 26 | 77.18 |
| DN450 | 184.15 | 565 | 508 | 456.95 | 406.4 | 26 | 99.88 |
| DN500 | 215.9 | 620 | 555.62 | 507.75 | 469.3 | 26 | 130.3 |
| DN600 | 215.9 | 725 | 657.22 | 612.7 | 565.2 | 30 | 152.09 |
