Bellow Seal DI Globe Valve
Application Range
• Ideal for Potable Water Systems, ensuring safe and clean water delivery.
• Versatile in Waste Water Management, providing reliable performance.
• Essential in Water Treatment and Distribution Systems, offering efficiency and sustainability.
• Perfect for Food and Chemical Enterprises, ensuring safety and compatibility with industry standards.
• Suitable for HVAC Systems, facilitating optimal climate control and energy efficiency.
• Used in Power Plants, ensuring robust performance and reliability under demanding conditions.
Operation Versions
• Accessible Hand Wheel for easy manual operation and control.
• ISO Top Flange for standardized connectivity and installation flexibility.
• Gearbox with Hand Wheel for enhanced operational precision and ease.
• Gearbox with Top Flange for versatile installation options and robust performance.
• Electrical and Pneumatic options for automated control and modern 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 |
• Engineered with superior quality cast or ductile iron, offering high load capacity and minimal head loss for optimal performance.
• Disc features a high frequency welded sealing surface, aged for stability and unbeatable performance consistency.
• Double valve cover gasket design, employing a top-down dual gasket system to assure sealing reliability.
• Graphite-filled signs ensure dual stem seal functions for enhanced durability and efficiency.
• Valve stem nut crafted from premium carbon steel with black surface treatment for high strength and a long-lasting service life.
• Hydro-static test pressure for seat is PN x 1.1 and for shell is PN x 1.5, conforming to EN 12266-1 standards.
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 distinguished manufacturer specializing in water system valves. We provide OEM solutions for Sluice Valve, Gate Valve, Flange Butterfly Valve, Check Valve, Strainer, Pressure Reducing Valve, Fire Hydrant, and a variety of international standard valves. Some of our offerings include FM/UL certified products. At Walter, we prioritize consumer experience by delivering expert advice and fluid control solutions to our clients. Furthermore, we embrace custom designs and special requirements.
We eagerly anticipate your consultation!
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