Bellow Seal DI Globe Valve
Application Range
• Potable water Experience the assurance of clean, safe, and reliable water supply with our versatile valves.
• Waste water Our valves are engineered to handle waste water efficiently, ensuring seamless operation and longevity.
• Water treatment and distribution systems Optimize your water management systems with our high-performance valves, ensuring efficient treatment and distribution.
• Food and chemical enterprises Trust our valves to maintain the integrity and safety in food and chemical processing environments.
• HVAC Enhance your HVAC systems with our reliable and durable valves, ensuring optimal performance and energy efficiency.
• Power plants Our robust valves are designed to withstand demanding conditions in power plants, guaranteeing reliability and safety.
Operation Versions
• Hand wheel Simplicity and control at your fingertips with our hand wheel operation.
• ISO top flange Universal compatibility and ease of installation with ISO top flange versions.
• Gearbox and hand wheel Experience enhanced mechanical advantage and effortless operation with the gearbox and hand wheel combination.
• Gearbox and top flange Discover the perfect synergy of automation and manual control with gearbox and top flange integration.
• Electrical and Pneumatic Maximize efficiency and precision with our advanced electrical and pneumatic operation options.
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. Built to last, our valve bodies provide robust strength and minimize flow resistance.
• The disc sealing surface is formed by high frequency welding. The disc is aged and its performance is stable. Our meticulously welded disc ensures long-term stability, delivering unmatched sealing performance.
• Double valve cover gasket, valve cover gasket adopts top-down double gasket design to ensure the reliability of sealing. Trust in our double gasket design for exceptional sealing reliability in every operation.
• Graphite-filled signs provide dual stem seal functions. Experience enhanced sealing capabilities with our graphite-filled dual stem seal technology.
• The valve stem nut is forged with high quality carbon steel, black surface treatment and high strength. Long service life. Crafted for durability, our high-grade carbon steel valve stem nut ensures longevity and strength.
• Hydro-static test pressure for seat: PN x 1.1 , for shell: PN x 1.5 according to EN 12266-1. Rigorous testing guarantees our valves comply with international standards for unmatched reliability.
Material&Dimension (DN15-300 PN16 mm) Discover our diverse range of materials and dimensions, tailored to meet every industrial need.
| 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 offered with FM/UL Certificate. Walter focuses on consumer experience, offering advice and fluid control solutions to customers. In addition, we can accept custom design and special requirements. At Suzhou Walter Flow Control, we are committed to delivering excellence in valve manufacturing. Our extensive selection, from Sluice Valves to check valves, adheres to international standards, ensuring quality and reliability. With FM/UL certifications available, we provide peace of mind and compliance. Our customer-centric approach means we go beyond expectations, providing expert advice and tailored solutions for fluid control challenges. Trust us to meet your unique specifications with precision and care.
Look forward to your consultation! We eagerly await the opportunity to assist you with tailored solutions for your flow control needs. Contact us today!
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