Introducing the Robust Bellow Seal DI Globe Valve: a testament to resilience and precision engineering, designed to excel in various demanding environments.
Versatile Application Range
• Potable water: Ensures purity and safety in every drop.
• Waste water: Efficiently manages and treats waste streams.
• Water treatment and distribution systems: Optimizes distribution with reliability.
• Food and chemical enterprises: Maintains integrity in sensitive processing environments.
• HVAC: Enhances system efficiency and performance across heating and cooling applications.
• Power plants: Supports critical operations with robust performance.
Diverse Operation Versions
• Hand wheel: Traditional and reliable manual operation.
• ISO top flange: Seamless integration for industry standards.
• Gearbox and hand wheel: Combines manual precision with enhanced control.
• Gearbox and top flange: Dual functionality for versatile application.
• Electrical and Pneumatic: Advanced automation for modern control systems.
Comprehensive 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 |
• High-quality cast or ductile iron body: Delivers exceptional durability and minimal head loss.
• Disc sealing surface: Enhanced by high frequency welding for stable, enduring performance.
• Double valve cover gasket: Top-down design ensures unparalleled sealing reliability.
• Graphite-filled signs: Offer a dual stem seal solution for added security.
• Forged valve stem nut: High strength, carbon steel with black surface for longevity.
• Hydro-static test pressure: Meticulously tested seat at PN x 1.1 and shell at PN x 1.5, as per EN 12266-1 standards.
Material & Dimension (DN15-300 PN16 mm): Tailored to meet industry specifications with precision engineering.
| 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: Discover our Expertise and Innovation
Suzhou Walter Flow Control Equipment Co., Ltd. Pioneers in water system valves, Suzhou Walter Flow Control Equipment Co., Ltd. offers OEM solutions including Sluice Valves, Gate Valves, Flange Butterfly Valves, Check Valves, and more. Meeting global standards, some offerings include FM/UL Certification. Our dedication to customer satisfaction is evident through our commitment to providing tailored advice and fluid control solutions, along with the ability to accommodate custom designs and special requirements.
We eagerly anticipate your inquiries and are ready to assist with exceptional service!
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