Rubber seat double eccentric flanged butterfly valve D42X
Rubber seat double eccentric flanged butterfly valve D42X
Note:The dimensions of D1 and n-d ones are manufactured according to China Standard(GB),International Standard(ISO),American Standard(ANSI),Germany Standard(DIN),England Standard(BS) and Japan Standard(JIS).The dimensions of D4 and n-d1 ones are manufactured according to GB/T 12223 and ISO 5211 Standard.
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