Bellow Seal DI Globe Valve
Application Range
• Potable water
• Waste water
• Water treatment and distribution systems
• Food and chemical enterprises
• HVAC
• Power plants
Operation Versions
• Hand wheel
• ISO top flange
• Gearbox and hand wheel
• Gearbox and top flange
• Electrical and Pneumatic
Technical Data
| Size range |
DN15-DN300 |
| Pressure range |
PN16 |
| Temperature |
-10ºC to +200ºC |
| Design |
BS EN 13789/ DIN 3350 |
| Face to face |
BS EN 559-1/ DIN3202 F1 |
| Flange drilling |
BS EN 1092-2 |
| Coating |
Thermoplastic Powder Epoxy |
| Testing |
EN 12266-1 |
| Marking |
EN 19 |
| Coating Blue Color |
RAL 5005 |
| RAL 5010 |
| RAL 5015 |
| Custom made |
• The body is made of high quality cast or ductile iron material, high load capacity and small head loss
• The disc sealing surface is formed by high frequency welding. The disc is aged and its performance is stable.
• Double valve cover gasket, valve cover gasket adopts top-down double gasket design to ensure the reliability of sealing.
• Graphite-filled signs provide dual stem seal functions
• The valve stem nut is forged with high quality carbon steel, black surface treatment and high strength. Long service life.
• Hydro-static test pressure for seat: PN x 1.1 , for shell: PN x 1.5 according to EN 12266-1.
Material&Dimension (DN15-300 PN16 mm)
| No. |
Part |
Material |
| 1 |
Body |
CI/DI |
| 2 |
Seat(screw type) |
2Cr13 |
| 3 |
Disc |
A105+1Cr13 |
| 4 |
C Ring |
Carbonn Steel |
| 5 |
Disc Nut |
Carbon Steel |
| 6 |
Stem |
X20Cr13 |
| 7 |
Bonnet Bolt |
Carbon Steel 8.8 |
| 8 |
Bonnet Nut |
Carbon Steel 8.8 |
| 9 |
Stem Packing |
Flexible Graphite |
| 10 |
Gland Flange |
DI |
| 11 |
Bonnet |
CI/DI |
| 12 |
Stem Nut |
Copper Alloy |
| 13 |
Handwheel |
DI |
| 14 |
Screw Pin |
Carbon Steel |
| 15 |
Gasket |
Flexible Graphite |
| DN |
INCH |
L |
D |
D1 |
D2 |
b(DI) |
b(CI) |
f |
Z-d |
≈H
(closed) |
| 15 |
1/2" |
130 |
95 |
65 |
46 |
14 |
14 |
2 |
4-φ14 |
180 |
| 20 |
3/4" |
150 |
105 |
75 |
56 |
16 |
16 |
2 |
4-φ14 |
180 |
| 25 |
1" |
160 |
115 |
85 |
65 |
16 |
16 |
2 |
4-φ14 |
210 |
| 32 |
1-1/4" |
180 |
140 |
100 |
76 |
18 |
18 |
2 |
4-φ19 |
220 |
| 40 |
1.5" |
200 |
150 |
110 |
84 |
18 |
18 |
3 |
4-φ19 |
250 |
| 50 |
2" |
230 |
165 |
125 |
99 |
19 |
20 |
3 |
4-φ19 |
260 |
| 65 |
2.5" |
290 |
185 |
145 |
118 |
19 |
20 |
2 |
4-φ19 |
270 |
| 80 |
3" |
310 |
200 |
160 |
132 |
19 |
22 |
3 |
8-φ19 |
310 |
| 100 |
4" |
350 |
220 |
180 |
156 |
19 |
24 |
3 |
8-φ19 |
380 |
| 125 |
5" |
400 |
250 |
210 |
184 |
19 |
26 |
3 |
8-φ19 |
430 |
| 150 |
6" |
480 |
285 |
240 |
211 |
19 |
26 |
3 |
8-φ23 |
460 |
| 200 |
8" |
600 |
340 |
295 |
266 |
20 |
30 |
3 |
12-φ23 |
530 |
| 250 |
10" |
730 |
405 |
355 |
319 |
22 |
32 |
3 |
12-φ28 |
|
| 300 |
12" |
850 |
460 |
410 |
370 |
25 |
32 |
4 |
12-φ28 |
|
ABOUT US
Suzhou walter flow control equipment co.,ltd is a professional manufacturer of water system valves.We can supply OEM for Sluice Valve, gate valve, flange butterfly valve, check valve, strainer, pressure reducing valve, fire hydrant and other kinds of international valves standard and specification.Some products can be offer FM/UL Certificate.Walter focus on consumer experience like offer advice and fluid control solutions to customers,in addition,we can accept custom design and special requirements.
Look forward to your consultation!
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