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上海精规石油设备有限公司

专业提供API石油螺纹量规、单项仪、锥度规,石墨电极量规

服务热线:021-51098802  联系人:王哲 15800691952

(BCSG)偏梯扣螺纹量规


 偏梯扣螺纹量规:螺纹是为了提高抗轴向拉伸或抗轴向压缩载荷能力,并提供泄漏抗力而设计,英文简写BCSG,无台肩锥管螺纹、需有接箍连接,牙型为偏梯形、平顶平底。


规格外径中径牙数锥度紧密距
4-1/2114.71113.13251:162.540±0.381
5127.41125.8325.080±0.381
5-1/2140.11138.532
6-5/8168.68167.107
7178.21176.632
7-5/8194.08192.507
8-5/8219.48217.907
9-5/8244.88243.307
10-3/4273.46271.882
11-3/4298.86297.282
13-3/8340.13338.557
16406.40404.8251:124.445±0.381
18-5/8473.08471.500
20508.00506.425