永嘉渤工阀门有限公司
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Bohai Valve Co., Ltd. Yongjia
Contact: Mr. Wang
Phone 577 -57796661 / 057796662
Fax 577 -67367855
Phone: 13806833242
E-mail: 258193218@qq.com
Address: Industrial Zone Oubei Puxi
PRODUCTS
PL plate flush flange


法兰密封面 
平面(FF)、突面(RF)
生产材料 
不锈钢(Stainess Steel): 201、202、301、304、304L、316、316L、321;
法兰标准 
化工部HG20593-1997、国标GB/T9119-2000、机标JB/T81-94

平焊法兰标准尺寸参考

公称通径管子外径外径螺栓孔中心直径连接凸出部分直径连接凸出部分高底法兰厚度螺栓孔内径
直径个数
DNd3DD1D2Fdd0nD3
101490604121414415
151895654621414419
2025105755621614426
2532115856521614433
32381401007621818439
40451501108421818446
50571651259922018459
657618514511822018478
808920016013222018891
100108220180156222188110
125133250210184222188135
150159285240211224228161
200219340295266224/26228/12222
250273395/405350/355319226/2822/2612276
300325445/460400/410370228/3222/2612328
350377505/520460/470429230/3522/2616380
400426565/580515/525480232/3826/3016430
450480615/640565/585530/548235/4226/3020484
500530670/715620/650582/609238/4626/3320534
600630780/840725/770682/720242/5230/3620634

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Copyright 2013 Bohai Valve Co., Ltd. Yongjia LUOTUO All Right Reserved. Address: Yongjia County, Wenzhou City, Zhejiang Province town of North ICP No.: ICP 12045727 No. -1