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O型圈 NPBR15 16 18 20 21 22 24 25 26 28 30 32 34 38 40 42 48
NPA12 NPB11 NPBR15 NPEG16 NPF20 NPFH NPS NPSW4/5/6/7/8/9/10A
O型圈 NPBR15 16 18 20 21 22 22A 24 25 26 28 30 32 34 38 40
密封圈NPA12 NPB11 NPBR15 NPEG16 NPF20 NPFH NPS NPSW4/5/6/7/8
O型圈NPBR15 16 18 20 21 22 22A 24 25 26 28 30 32 34 38 40 42
O型圈P系列保护垫圈NPBR15/NPBR16/NPBR18/20/21/22/22A/24/25
