Wafer Type Headless Butterfly Valve With Soft Back Seat
Features
·The design is novel ,reasonable, unique structure, light weight, rapid opening and closing.
·Small operating torque ,easy operation ,effort and dexterity.
·Can be installed and maintained at any location.
·The seal can be replaced ,and the sealing performance is reliable to achieve zero leakage of the two-way seal.
·The sealing material is resistant to aging ,corrosion ,and long service life.
Material of main parts
Part name |
Materials |
Body |
HT200,QT450 |
Disc |
QT450 ,QT450 ,304,316,316L, QT450 Nickel Plating, QT450 Nylon Plating, Albronze,SS304,SS316,SS316L,Duplex Stainless Steel etc |
Seat |
EPDM,NBR |
Stem |
45# ,416 ,304 ,316 Carbon Steel 45#,SS416,SS304,SS316 |
Products Mcdel |
D7A1X-10/16 |
Nominal Diameter(mm) |
DN50-DN600 |
Nominal Pressure(MPa) |
PN1.0-16MPa |
Applicable medium |
Fresh water,Sea water,Sewage,Air,Food,Weak acid alkali and Salt etc. |
Applicable temperature |
-10110 |
Main contour and connection size |
Unit:mm |
Size |
ØD |
4-ØD1 |
4-ØD2 |
ØD3 |
H1 |
H2 |
H3 |
ØB |
F*F |
L |
L1 |
Kg |
DN50 |
123.00 |
22 |
4-7 |
72 |
11 |
130 |
70.0 |
50 |
11*11 |
42 |
32 |
2.3 |
DN65 |
142.00 |
22 |
4-7 |
72 |
11 |
143 |
80.0 |
50 |
11*11 |
45 |
47 |
2.8 |
DN80 |
154.50 |
23 |
4-7 |
72 |
11 |
155 |
94.0 |
50 |
11*11 |
45 |
65 |
3.2 |
154.50 |
23 |
DN100 |
183.00 |
27 |
4-10 |
92 |
14 |
170 |
108.0 |
70 |
14*14 |
52.1 |
91 |
5.2 |
DN125 |
212.50 |
25 |
4-10 |
92 |
17 |
190 |
122.0 |
70 |
17*17 |
55 |
112 |
7.1 |
DN150 |
240.00 |
24 |
4-10 |
92 |
17 |
210 |
134.0 |
70 |
17*17 |
56 |
146 |
9.0 |
DN200 |
295.00 |
24 |
4-12 |
125 |
22 |
243 |
167.0 |
102 |
22*22 |
61 |
194 |
13.2 |
296.00 |
25 |
DN250 |
356.00 |
31 |
4-12 |
125 |
22 |
282 |
203.0 |
102 |
22*22 |
66 |
242 |
23.4 |
DN300 |
407.00 |
25 |
4-14 |
150 |
27 |
310 |
241.0 |
125 |
27*27 |
77 |
292 |
34.0 |
432.00 |
32 |
DN350 |
460.00 |
23 |
4-14 |
150 |
27 |
353 |
267.0 |
125 |
27*27 |
77 |
325 |
42.4 |
470.00 |
26 |
DN400 |
515.00 |
26 |
4-18 |
175 |
40 |
380 |
310.0 |
140 |
36*36 |
87 |
380 |
80.0 |
525.00 |
30 |
DN450 |
565.00 |
26 |
4-18 |
175 |
40 |
411 |
331.0 |
140 |
36*36 |
105 |
428 |
108.0 |
585.00 |
30 |
DN500 |
620.00 |
26 |
4-22 |
210 |
50 |
468 |
378.5 |
165 |
46*46 |
130 |
474 |
134.0 |
650.00 |
33 |
DN600 |
725.00 |
20-φ30 |
4-22 |
210 |
50 |
562 |
463.0 |
165 |
46*46 |
152 |
573 |
209.0 |
770.00 |
20-φ36 |