Bo gi tham kh?o van b??m inox
| DN | Gi bn(?) |
|---|---|
| DN50 | 1.297.080 |
| DN65 | 1.528.200 |
| DN80 | 1.590.840 |
| DN100 | 2.263.680 |
| DN125 | 2.675.160 |
| DN150 | 3.343.680 |
| DN200 | 6.230.520 |
| DN250 | 9.971.640 |
*Gi mang tnh tham kh?o. Lin h? ?? nh?n bo gi chnh xc theo s? l??ng v th?i ?i?m.
Gi?i thi?u nhanh van b??m inox
Van b??m inox (van buom inox, butterfly valve inox) l lo?i van quarter-turn, ch? c?n quay ??a 90 ?? ?ng/m?. Ch?t li?u inox 304 ho?c 316 k?t h?p seat EPDM/PTFE cho kh? n?ng ch?u ?n mn, ?? b?n cao, ph h?p h? th?ng n??c, ha ch?t, th?c ph?m, y t?, HVAC v PCCC. C? ch? v?n hnh ?a d?ng: tay g?t, v l?ng, ?i?u khi?n ?i?n ho?c kh nn.
Phn lo?i van b??m inox theo c?p inox
| Lo?i inox | ??c ?i?m chnh | ?ng d?ng tiu bi?u |
|---|---|---|
| Inox 304 | Khng ?n mn t?t trong mi tr??ng th??ng, gi kinh t? | N??c sinh ho?t, th?c ph?m, HVAC, kh nn |
| Inox 316 | Thm molybdenum, khng clorua/mi tr??ng bi?n v ha ch?t m?nh | Cng nghi?p ha ch?t, x? l n??c bi?n, y t? |
M?c ?ch s? d?ng van b??m inox
| Ki?u | Yu c?u | Ch?t li?u g?i |
|---|---|---|
| Tay g?t inox DN65DN100 | ??n gi?n, th? cng | Inox 304 |
| V l?ng inox | ?i?u ti?t nh?, chnh xc | Inox 304 |
| ?i?u khi?n ?i?n inox | T? ??ng ha, ?i?u khi?n t? xa | Inox 316 |
| ?i?u khi?n kh nn inox | Nhanh, an ton mi tr??ng chy n? | Inox 316 |
So snh van b??m inox v?i cc ch?t li?u khc
| Ch?t li?u | ?u ?i?m | Nh??c ?i?m | Khi ch?n |
|---|---|---|---|
| Inox 304/316 | Ch?ng ?n mn, v? sinh, b?n | Gi cao h?n, tr?ng l??ng l?n h?n nh?a | N??c u?ng, ha ch?t, y t?, mi tr??ng kh?c nghi?t |
| Gang/Ductile | Gi r?, ch?u l?c t?t | R? st n?u khng ph?, n?ng | HVAC, PCCC, n??c sinh ho?t |
| Thp cacbon | Ch?u p & nhi?t cao, gi th?p | D? g?, c?n b?o n/ ph? ch?ng ?n mn | D?u kh, nhi?t ?i?n |
| Nh?a PVC/CPVC | Ch?ng ha ch?t, gi r?, nh? | p su?t v nhi?t ?? h?n ch? | X? l n??c/th?i, ha ch?t nh? |
So snh inox 304 v inox 316
| Tiu ch | Inox 304 | Inox 316 |
|---|---|---|
| Ch?ng ?n mn | Ch?ng g? t?t | V??t tr?i v?i clorua, mu?i bi?n, ha ch?t m?nh |
| ?ng d?ng | Th?c ph?m, HVAC, n??c sinh ho?t | Ha ch?t, bi?n, y t? |
| Gi thnh | Th?p h?n ~2030% | ??t h?n nh?ng tu?i th? cao h?n |
| ?? b?n | ?? dng | Cao h?n, b?n lu h?n |
So snh ki?u v?n hnh van b??m inox
| Ki?u | ?u ?i?m | Nh??c ?i?m | Khi ch?n |
|---|---|---|---|
| Tay g?t | Nhanh, ??n gi?n | C?n l?c tay, khng ph h?p DN l?n | DN65DN100 |
| V l?ng | Gi?m l?c, ?i?u ti?t t?t | C?ng k?nh, ch?m h?n tay g?t | Khi c?n ?? chnh xc, DN l?n |
| ?i?n | T? ??ng, ?i?u khi?n t? xa | Chi ph cao, ?? tr? | H? th?ng t? ??ng ha |
| Kh nn | Nhanh, an ton trong mi tr??ng d? chy | C?n my nn, ti?ng ?n nh? | Cng nghi?p n?ng, ha ch?t |
C?u t?o & nguyn l v?n hnh
Van b??m inox g?m thn, ??a, tr?c inox, seat EPDM/PTFE, v c? c?u v?n hnh. Khi ??a song song v?i dng ch?y l m?; vung gc l ?ng. Lo?i offset gi?m ma st v t?ng ?? kn.
H??ng d?n l?a ch?n van b??m inox
- Xc ??nh mi tr??ng: ?n mn, nhi?t ??, p su?t.
- Ch?n inox 304 ho?c 316.
- Ch?n c? ch? v?n hnh ph h?p (tay g?t, v l?ng, ?i?n, kh nn).
- Ki?m tra kch th??c (DN65, DN80, DN100), k?t n?i (wafer, lug, flanged).
- Ch?ng ch?: ANSI, API, FDA/NSF, AWWA.
- Ch?n ??i l chnh hng, h? tr? b?o hnh di.
B?o tr & v?n hnh van inox
- Ki?m tra v v? sinh ??nh k?.
- Thay seal sau 12 n?m ho?c khi r r?.
- V?n hnh ?ng gc, trnh rung l?c ? gc nh?.
FAQ Cu h?i th??ng g?p
Nn ch?n inox 304 hay 316?
Ch?n 316 n?u c clorua/mi tr??ng ha ch?t m?nh; 304 ?? dng cho n??c sinh ho?t v HVAC.
Ki?u v?n hnh no d? dng?
Tay g?t nhanh v ??n gi?n; v l?ng cho thao tc nh?; ?i?n/kh nn ph h?p t? ??ng ha.
Van inox c ph h?p y t??
C, n?u ??t ch?ng ch? FDA/NSF v lm t? inox 316.