Description
Buy Bellows Globe Valve PN1.6–10.0 WCB Flanged Manual Operated
The High Pressure Bellows Globe Valve PN1.6–10.0 WCB Manual Flanged from VALVEHU is engineered to deliver superior performance in demanding flow control applications. Designed and manufactured in strict accordance with industry standards, this valve ensures reliable operation under high pressure and elevated temperature environments. The bellows-sealed construction offers a leak-proof seal, effectively eliminating fugitive emissions, which is crucial for chemical and thermal process lines.
This globe valve is available in nominal pressures ranging from PN1.6 to PN10.0 MPa and supports working media such as water, steam, oil, sulfuric acid, and acetic acid. It is constructed from robust WCB carbon steel and features a flanged connection for easy installation and maintenance. The operating temperature capacity reaches up to 425°C, making it ideal for high-temperature pipelines.
Each valve undergoes rigorous shell and seat sealing pressure tests as specified (e.g., 15 MPa shell pressure at PN10.0), ensuring long-term reliability in industrial applications. Its rising stem design provides clear indication of valve position, while the precision-guided disc enables smooth throttling and tight shut-off.
VALVEHU bellows globe valves are available in DN15 to DN200 with dimensional variations depending on pressure class, ensuring a broad range of compatibility. This solution is optimal for petrochemical plants, steam pipelines, and critical utility lines.
When operational safety, leak prevention, and endurance are key priorities, this bellows globe valve is a proven performer. To receive expert guidance and find the best valve configuration for your specific system, contact VALVEHU in China. Our technical specialists are ready to assist.
Technical Specifications
- Pressure Range PN1.6 to PN10.0 MPa tested per GB standards
- Body Material WCB cast carbon steel
- Connection Type Flanged per standard dimensions
- Sealing Bellows-sealed for zero leakage
- Media Compatibility Water, oil, steam, sulfuric acid, acetic acid
- Temperature Limit Up to 425°C for steam lines
- Design Standard GB/T12235 compliance
- Shell Test Pressure Up to 15 MPa at PN10.0
- Valve Size Range DN15 to DN200
- Operation Mode Manual with rising stem indicator
Performance Specifications – Bellows Sealed Globe Valve
(Unit: MPa / Temperature in °C)
| Nominal Pressure PN | Shell Test Pressure | High Pressure Sealing Test |
|---|---|---|
| 1.6 | 2.4 | 1.76 |
| 2.5 | 3.75 | 2.75 |
| 4.0 | 6.0 | 4.4 |
| 6.4 | 9.6 | 7.04 |
| 10.0 | 15.0 | 11.0 |
| Low Pressure Air Sealing Test Pressure | 0.5 – 0.7 MPa |
|---|
| Applicable Media | C: Water, Oil, Steam | P: Sulfuric Acid | R: Acetic Acid |
|---|
| Operating Temperature | ≤ 425°C (C) | ≤ 200°C (P, R) |
|---|
Main Dimensions and Connection Sizes – Bellows Globe Valve
Unit: mm
| PN (bar) | DN | L | H | D | D1 | D2 | b | f | Z–Φd |
|---|---|---|---|---|---|---|---|---|---|
| 16 | 15 | 130 | 128 | 95 | 65 | 45 | 14 | 2 | 4–Φ14 |
| 16 | 20 | 150 | 165 | 105 | 75 | 55 | 16 | 2 | 4–Φ14 |
| 16 | 25 | 160 | 190 | 115 | 85 | 65 | 16 | 2 | 4–Φ14 |
| 16 | 32 | 180 | 216 | 135 | 100 | 78 | 18 | 2 | 4–Φ18 |
| 16 | 40 | 200 | 236 | 145 | 110 | 85 | 18 | 3 | 4–Φ18 |
| 16 | 50 | 230 | 250 | 160 | 125 | 100 | 20 | 3 | 4–Φ18 |
| 16 | 65 | 290 | 255 | 180 | 145 | 120 | 20 | 3 | 4–Φ18 |
| 16 | 80 | 310 | 255 | 195 | 160 | 135 | 22 | 3 | 8–Φ18 |
| 16 | 100 | 350 | 259 | 215 | 180 | 155 | 24 | 3 | 8–Φ18 |
| 16 | 125 | 400 | 352 | 245 | 210 | 185 | 26 | 3 | 8–Φ18 |
| 16 | 150 | 480 | 362 | 280 | 240 | 210 | 28 | 3 | 8–Φ23 |
| 16 | 200 | 600 | 385 | 335 | 295 | 265 | 30 | 3 | 12–Φ23 |
| 25/40 | 15 | 130 | 133 | 95 | 65 | 45 | 16 | 2 | 4–Φ14 |
| 25/40 | 20 | 150 | 178 | 105 | 75 | 55 | 16 | 2 | 4–Φ14 |
| 25/40 | 25 | 160 | 180 | 115 | 85 | 65 | 16 | 2 | 4–Φ14 |
| 25/40 | 32 | 180 | 195 | 135 | 100 | 78 | 18 | 2 | 4–Φ18 |
| 25/40 | 40 | 200 | 220 | 145 | 110 | 85 | 18 | 3 | 4–Φ18 |
| 25/40 | 50 | 230 | 250 | 160 | 125 | 100 | 20 | 3 | 4–Φ18 |
| 25/40 | 65 | 290 | 272 | 180 | 145 | 120 | 22 | 3 | 8–Φ18 |
| 25/40 | 80 | 310 | 275 | 195 | 160 | 135 | 22 | 3 | 8–Φ18 |
| 25/40 | 100 | 350 | 312 | 230 | 190 | 160 | 24 | 3 | 8–Φ23 |
| 25/40 | 125 | 400 | 365 | 270 | 220 | 188 | 28 | 3 | 8–Φ25 |
| 25/40 | 150 | 480 | 410 | 300 | 250 | 218 | 30 | 3 | 8–Φ25 |
| 25/40 | 200 | 600 | 450 | 360/375 | 310/320 | 278/282 | 34/38 | 3 | 12–Φ25/30 |
| 64 | 15 | 170 | 145 | 105 | 75 | 55 | 18 | 2 | 4–Φ14 |
| 64 | 20 | 190 | 195 | 125 | 90 | 68 | 20 | 2 | 4–Φ18 |
| 64 | 25 | 210 | 202 | 135 | 100 | 78 | 22 | 2 | 4–Φ18 |
| 64 | 32 | 230 | 226 | 150 | 110 | 82 | 24 | 3 | 4–Φ23 |
| 64 | 40 | 260 | 239 | 165 | 125 | 95 | 24 | 3 | 4–Φ23 |
| 64 | 50 | 300 | 265 | 175 | 135 | 105 | 26 | 3 | 4–Φ23 |
| 64 | 65 | 340 | 287 | 200 | 160 | 130 | 28 | 3 | 8–Φ23 |
| 64 | 80 | 380 | 301 | 210 | 170 | 140 | 30 | 3 | 8–Φ23 |
| 64 | 100 | 430 | 346 | 250 | 200 | 168 | 32 | 3 | 8–Φ25 |
FAQ
What is the main advantage of a bellows globe valve?
Its leak-free design ensures zero emissions, ideal for toxic or high-pressure media.
Can this valve be used with corrosive media?
Yes, it supports acids like sulfuric and acetic acid under controlled temperatures.
What’s the maximum operating pressure and temperature?
It withstands up to 10.0 MPa and 425°C depending on the media type.
What materials are used in this valve body?
WCB cast steel is used for durability and high-pressure resistance.
How is the valve sealed against leakage?
A metallic bellows seal prevents stem leakage and minimizes maintenance.
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