Van B\u01b0\u1edbm l\u00e0 lo\u1ea1i van d\u00f9ng \u0111\u1ec3 \u0111\u00f3ng ho\u1eb7c m\u1edf d\u00f2ng ch\u1ea3y trong \u0111\u01b0\u1eddng \u1ed1ng b\u1eb1ng m\u1ed9t l\u00e1 van d\u1ea1ng \u0111\u0129a \u0111\u01b0\u1ee3c g\u1eafn c\u1ed1 \u0111\u1ecbnh tr\u00ean ty van \u00e9p ch\u1eb7t v\u00e0o v\u00f2ng \u0111\u1ec7m cao su \u0111\u01b0\u1ee3c \u0111\u00fac s\u1eb5n trong th\u00e2n van.<\/p>
Van B\u01b0\u1edbm tay\u00a0quay th\u01b0\u1eddng d\u00f9ng cho c\u00e1c k\u00edch th\u01b0\u1edbc t\u1eeb DN50 – DN600, v\u1eadn h\u00e0nh \u0111\u00f3ng m\u1edf\u00a0nh\u1eb9 nh\u00e0ng\u00a0th\u00f4ng qua tr\u1ee3 l\u1ef1c c\u1ee7a h\u1ed9p s\u1ed1.<\/p>
Van b\u01b0\u1edbm tay quay \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o b\u1edfi 05 th\u00e0nh ph\u1ea7n ch\u00ednh: Th\u00e2n van, V\u00f2ng \u0111\u1ec7m, l\u00e1 van (\u0111\u0129a van), ty van v\u00e0 tay g\u1ea1t.<\/p>
– Th\u00e2n van: \u0111\u01b0\u1ee3c \u0111\u00fac t\u1eeb gang c\u1ea7u FCD450, hai m\u1eb7t \u0111\u01b0\u1ee3c ph\u1ee7 b\u1edfi l\u1edbp s\u01a1n epoxy cao c\u1ea5p v\u1edbi \u0111\u1ed9 d\u00e0y\u00a0\u2265300 \u03bcm.<\/p>
– Khi van \u0111\u01b0\u1ee3c \u0111\u00f3ng k\u00edn (g\u00f3c m\u1edf l\u00e1 van 0\u00b0) l\u00e1 van s\u1ebd ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n d\u00f2ng ch\u1ea3y trong \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 khi van \u0111\u01b0\u1ee3c m\u1edf ho\u00e0n to\u00e0n (g\u00f3c m\u1edf l\u00e1 van 90\u00b0) l\u00e1 van s\u1ebd n\u1eb1m song song v\u1edbi d\u00f2ng ch\u1ea3y, l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y trong \u0111\u01b0\u1eddng \u1ed1ng l\u00e0 l\u1edbn nh\u1ea5t.<\/p>
– Ngo\u00e0i ra ch\u00fang ta c\u00f3 th\u1ec3 m\u1edf l\u00e1 van theo c\u00e1c g\u00f3c m\u1edf kh\u00e1c nhau \u0111\u1ec3 \u0111i\u1ec1u ti\u1ebft l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y tuy nhi\u00ean nh\u00e0 s\u1ea3n xu\u1ea5t khuy\u1ebfn c\u00e1o vi\u1ec7c m\u1edf l\u00e1 van d\u01b0\u1edbi\u00a090\u00b0 s\u1ebd l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a van.<\/p>
– Van \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb gang c\u1ea7u FCD450, Inox CF8\/CF8M, cao su EPDM cho \u0111\u1ed9 b\u1ec1n cao, ch\u1ed1ng r\u1ec9 s\u00e9t, an to\u00e0n cho ngu\u1ed3n n\u01b0\u1edbc s\u1ea1ch.<\/p>
– Gi\u00e1 th\u00e0nh r\u1ebb, tr\u1ecdng l\u01b0\u1ee3ng van nh\u1eb9, thi\u1ebft k\u1ebf g\u1ecdn, c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t theo nhi\u1ec1u h\u01b0\u1edbng, \u00edt t\u1ed1n di\u1ec7n t\u00edch khi l\u1eafp \u0111\u1eb7t.<\/p>
L\u01b0u \u00fd khi l\u1eafp \u0111\u1eb7t:<\/strong><\/p>