无码av无线观看亚洲_亚洲成a√人片在线观看_男女啪啦啦超猛烈动态图_va天堂ⅴa在线va无码

1) Specification: DN15-100, 1"-4"
2) Standard: DIN, SMS, ISO, 3A
3) Material: Stainless steel 304, 316
4) Applications: Pharmacy, beer, food, petroleum, dairy beverage, cosmetics
5) Working principle: Manual operation or driving device operation
6) Manual operation: Pulling handle, Multi-position handle
7) Pneumatic device: Normally closed, normally opened, opened and closed by two air flues separately
8) Packing: As per customers' requirements