Bellow Seal DI Globe Valve
Application Range
• Potable water Transform your access to clean, safe drinking water with our premium-quality valves designed to maintain purity and safety.
• Waste water Effectively manage wastewater systems with our robust valves, engineered to handle challenging environments.
• Water treatment and distribution systems Ensure seamless operation in water treatment and distribution with our reliable valve solutions.
• Food and chemical enterprises Optimize fluid control in food and chemical industries with our specialized valve offerings.
• HVAC Enhance HVAC system efficiency and performance with our expertly crafted valves.
• Power plants Empower your power plant operations with valves built to withstand high pressure and temperature conditions.
Operation Versions
• Hand wheel Traditional hand wheel design offers simple and reliable manual operation for precise flow control.
• ISO top flange Our ISO top flange version adds versatility and compatibility with a variety of actuator options.
• Gearbox and hand wheel Experience enhanced torque and control with the gearbox and hand wheel combination.
• Gearbox and top flange The gearbox and top flange setup ensures robust flexibility for demanding applications.
• Electrical and Pneumatic Our advanced electrical and pneumatic operation options guarantee automated precision and efficiency.
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 Our valve body boasts exceptional durability and efficiency with top-tier cast or ductile iron, ensuring impressive load capacity and minimal head loss.
• The disc sealing surface is formed by high frequency welding. The disc is aged and its performance is stable. The expertly welded disc sealing surface promises enduring stability and reliable performance even under the toughest conditions.
• Double valve cover gasket, valve cover gasket adopts top-down double gasket design to ensure the reliability of sealing. Employing a top-down double gasket design, our valve cover ensures unparalleled sealing reliability, safeguarding against leaks and failures.
• Graphite-filled signs provide dual stem seal functions Innovative graphite-filled signs deliver dual stem sealing, enhancing operational security and performance.
• The valve stem nut is forged with high quality carbon steel, black surface treatment and high strength. Long service life. Our high-strength carbon steel valve stem nut, with a sleek black finish, offers remarkable durability and longevity.
• Hydro-static test pressure for seat: PN x 1.1 , for shell: PN x 1.5 according to EN 12266-1. Rigorous hydro-static testing ensures our valves meet and exceed industry standards, with pressures tested to PN x 1.1 for seat and PN x 1.5 for shell, aligned with 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. At Suzhou Walter Flow Control Equipment Co., Ltd., we pride ourselves on our expertise in crafting world-class water system valves. Whether it's OEM Sluice Valves, gate valves, flange butterfly valves, check valves, strainers, pressure reducing valves, or fire hydrants, our products meet a wide array of international standards and specifications. With the option for FM/UL Certification on select products, we are committed to delivering excellence. Our dedication to customer satisfaction drives us to provide expert advice and tailored fluid control solutions, welcoming custom designs and unique requirements.
Look forward to your consultation! We eagerly await the opportunity to collaborate with you and address your fluid control needs. Reach out and let us help you find the perfect solution.
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