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石棉密封圈产品型号
DN27 DN34 DN43 DN48 DN57 DN73 DN89
DN108 DN133 DN159 DN219 DN273
DN325 DN377 DN426 DN478 DN529
DN630 DN720 DN820 DN920 DN1020
3X3,4X4,6X6,8X8,10X10,12X12,14X14,
16X16,18X18,20X20,22X22,24X24,
26X26,28X28,30X30,32X32,34X34,36X36,
38X38,40X40,42X42,44X44,46X46,48X48,
50X50,52X52,54X54,56X56,58X58,60X60等,特殊规格型号可定做。