直径管程数管子数量换热面积 公称值/计算值管程通道截面积 管程通道流速为0.5m/sec时的流量m/hr公称压力管子长度（m）φ25×2.515002000300040006000φ25×21591141.5/1.622/2.173/3.270.0044/0.00497.92/
8.820.252191263/3.004/4.026/6.068/8.10.0082/
0.009014.76/
16.200.62263/3.004/4.026/6.068/8.810.0041/
0.00457.38/
8.011.02731445/5.087/5.1810/10.2614/13.7221/20.630.0138/
0.015224.84/
27.361.62405/4.626/6.199/9.3312/12.4719/18.760.0063/
0.006911.24/
12.422.53251607/6.939/9.2814/14.0019/18.7128/28.130.0188/
0.020833.84/
37.440.62566/6.479/8.6613/13.0517/17.4636/26.260.0088/
0.009715.84/
17.461.0400111914/13.4718/18.4128/27.7637/37.1055/55.80.0374/
0.041267.32/
74.161.6211013/12.7017/17.0226/25.6634/34.2050/51.580.0173/
0.019031.14/
34.202.5500118545/4.1555/57.6885/86.740.0581/
0.0641104.58/
115.38218040/41.9955/57.6885/86.740.0283/
0.031250.94/
56.16600126960/62.785/83.88125/126.130.0845/
0.0932152.10/
167.76226660/32.0580/82.94125/14.720.0418/
0.046175.24/
83.98700137990/88.41120/118.17175/177.710.0091/
0.1313214.38/
236.34235885/83.51110/111.62165/167.850.0562/
0.0620101.16/
111.608001511120/119.20160/159.16240/239.600.1605/
0.1770288.90/
318.602488115/113.83150/152.16230/228.810.0767/
0.0845138.06/
152.109001649150/151.39200/202.36305/304.30.2039/
0.2248367.02/
404.46