Introducing the Bellow Seal DI Globe Valve, a masterpiece of engineering crafted with precision to deliver unmatched reliability and performance.
Application Range - Expanding Possibilities
• Potable water systems: Ensuring clean and safe water delivery for your everyday needs.
• Waste water management: Efficiently handle waste water to promote environmental sustainability.
• Water treatment and distribution systems: Optimize your operations with our cutting-edge valve technology.
• Food and chemical enterprises: Perfectly designed for the stringent demands of food and chemical processing.
• HVAC systems: Enhance your heating, ventilation, and air conditioning efficiency.
• Power plants: Equip your power generation facilities with robust and reliable flow control.
Operation Versions - Tailored to Your Needs
• Hand wheel operation: Simplistic and intuitive handling for manual valve control.
• ISO top flange: Universally compatible, ensuring seamless integration with existing systems.
• Gearbox and hand wheel: Effortlessly manage valve operations with precision.
• Gearbox and top flange: Strength and versatility combined for demanding environments.
• Electrical and Pneumatic: Embrace automation with our advanced control options.
Technical Data - Excellence in Every Detail
| 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 |
• Constructed with premium cast or ductile iron, offering exceptional load capacity and minimal head loss for superior efficiency.
• Disc sealing surface crafted through high-frequency welding, stabilized through aging for reliable performance.
• Equipped with a double valve cover gasket, utilizing a top-down design to guarantee reliable sealing under all conditions.
• Graphite-filled seals deliver dual stem seal functionality, offering an enhanced protection layer.
• Valve stem nut forged from high-quality carbon steel, treated for a sleek black finish and unmatched durability.
• Hydro-static test pressure: Seat tested at PN x 1.1 and shell at PN x 1.5, strictly adhering to EN 12266-1 standards.
Material & Dimension (DN15-300 PN16 mm) - Crafted to Perfection
| 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 - Your Trusted Valve Partner
Suzhou Walter Flow Control Equipment Co., Ltd. As a distinguished manufacturer of water system valves, we proudly offer OEM solutions for a wide range of products including sluice valves, gate valves, flange butterfly valves, check valves, strainers, pressure reducing valves, fire hydrants, and more, all adhering to international standards and specifications. Our products are equipped with FM/UL certification where applicable. At Walter, we prioritize consumer experience, providing expert advice and fluid control solutions. We are committed to accommodating custom designs and special requirements, ensuring we meet the unique needs of every client.
We eagerly anticipate your consultation and look forward to serving you with our superior valve solutions!
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