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- HB 4-18-1983 Ｄ型三通管接头
- HB 4-18-1983
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- HB 4-17-2002 扩口式三通管接头
- HB 4-17-2002
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- HB 4-17-1999 三通管接头
- HB 4-17-1999
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- HB 4-16-1999 拧入式直角管接头
- HB 4-16-1999
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- HB 4-16-1983 拧入式直角管接头
- HB 4-16-1983
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- HB 4-16-2002 扩口式拧入式直角管接头
- HB 4-16-2002
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- HB 4-15-1983 Ａ型直角管接头
- HB 4-15-1983
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- HB 4-15-2002 扩口式A型直角管接头
- HB 4-15-2002
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- HB 4-15-1999 Ａ型直角管接头
- HB 4-15-1999
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- HB 4-14-2002 扩口式B型直角管接头
- HB 4-14-2002