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EBRO蝶阀选哪家比较好
EBRO蝶阀
WAFER PATTERN BUTTERFLY TYP Z011-A TECHNICAL DATA Nominal diameter: DN 20 – DN 1200 (DN 20 only PN10/16) Face-to-face: EN 558 Series 20 (DIN 3202 T3 K1) ISO 5752 Series 20 API 609 Table 1 BS 5155 Series 4 Flange accommodation: DIN 2501 PN 6/10/16 ANSI B 1 6.5, Class 1 50 MSS SP44 Class 1 50 AWWA C 207 AS 2129 Table D and E BS 10 Table D and E JIS B 2211-5 K JIS B 2212-10 K Lap-joint flange: DIN 2
青岛装修口碑比较好的公司有哪家(精)
青岛装修口碑比较好的公司有哪家(精)