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- HB 4-12-1983 拧入式弯管接头
- HB 4-12-1983
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- HB 4-9-1983 拧入式变径直通管接头
- HB 4-9-1983
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- HB 4-9-1999 拧入式变径直通管接头
- HB 4-9-1999
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- HB 4-9-2002 扩口式拧入式变径直通管接头
- HB 4-9-2002
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- HB 4-8-1983 拧入式直通管接头
- HB 4-8-1983
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- HB 4-8-1999 拧入式直通管接头
- HB 4-8-1999
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- HB 4-8-2002 扩口式拧入式直通管接头
- HB 4-8-2002
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- HB 5773-5776-1983 拧入式四通管接头
- HB 5773-5776-1983
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- HB 5753-5756-1983 不对称拧入式三通管接头
- HB 5753-5756-1983
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- HB 5749-5752-1983 拧入式三通管接头
- HB 5749-5752-1983