Technical data
1,Working pressure:not more than the nominal pressure valve
2,The working temperature:≤120℃
3.The main material:WCB,ZH1Cr18Ni9.ZGCr18Ni12Mo2Ti
Technical specifications
1,The design,manufacture according to GB12237-89 requirements.
2,The length of the structure according to CVA7.1-83 requirements.
3,Valve testing standards by ZBJ16006-90 requirements.
4,Insulating layer may cover the technical requirements with reference to the provisions of Tianjin Q/GY07-01-87.
Main dimensions
PN (MPa) |
DN (mm) |
L |
L1 |
L2 |
D |
b |
D1 |
D2 |
d |
H | 重量 Weight (Kg) |
50 | 1000 | 216 | 108 | 60 | 3.5 | 140×3 | 140×3 | 18 | 125 | 14 | |
65 | 1055 | 273 | 136.5 | 76 | 4.0 | 140×3 | 160×3.2 | 24 | 134 | 21 | |
80 | 1120 | 310 | 155 | 89 | 4.0 | 160×3.2 | 200×3.9 | 24 | 148 | 29 | |
100 | 1115 | 350 | 175 | 114 | 4.0 | 200×3.9 | 225×4.4 | 28 | 180 | 42 | |
1.6 | 125 | 1134 | 400 | 200 | 140 | 4.5 | 225×4.4 | 250×4.9 | 30 | 209 | |
150 | 1210 | 403 | 201.5 | 159 | 4.5 | 250×4.9 | 315×6.2 | 35 | 232 | ||
200 | 1265 | 419 | 209.5 | 219 | 6.0 | 315×6.2 | 365×6.6 | 38 | 250 | ||
250 | 1545 | 559 | 275 | 273 | 6.0 | 365×6.6 | 472×7.0 | 42 | 350 | ||
300 | 1596 | 635 | 300 | 325 | 7.0 | 420×7.0 | 556×7.0 | 48 | 415 | ||
350 | 1760 | 762 | 355 | 377 | 8 | 500×7.8 | 680×9.8 | 48 | 650 | ||
400 | 1860 | 838 | 419 | 426 | 10 | 550×8.8 | 760×11 | 50 | 1150 |
Insulation Ball valve – Complete Product and Maintenance Guide
The Insulation Ball Valve is an advanced industrial valve designed to provide precise flow control while minimizing heat loss or gain in piping systems. With an integrated insulation layer, this valve is ideal for steam, hot water, chemical pipelines, and industrial heating applications. Manufactured from high-quality materials such as stainless steel, carbon steel, or alloy steel, the insulation ball valve ensures long-lasting performance, leak-proof operation, and corrosion resistance.
Its energy-efficient design not only improves operational performance but also reduces energy consumption, making it a cost-effective solution for oil and gas, chemical processing, HVAC, and industrial heating systems.
Integrated Insulation: Prevents heat loss or gain, improving energy efficiency.
High Durability: Resistant to corrosion, high pressure, and extreme temperatures.
Reliable Sealing: Precision-engineered ball ensures leak-proof performance.
Low Maintenance: Minimal moving parts reduce servicing requirements.
Wide Applicability: Suitable for steam, hot water, gas, oil, and chemical pipelines.
| Feature | Specification / Range |
|---|---|
| Body Material | Stainless Steel 304 / 316, Carbon Steel |
| Ball Material | Stainless Steel 304 / 316 |
| Seal Type | PTFE / PFA / Metal-to-Metal |
| Pressure Rating | PN10 – PN40 / ANSI Class 150 – 600 |
| Temperature Range | -20°C to 250°C (-4°F to 482°F) |
| End Connection | Flanged, Threaded, Butt Weld |
| Operation Type | Manual, Electric, Pneumatic |
| Insulation Thickness | 20–50 mm (varies per model) |
| Energy Saving Efficiency | Up to 20% reduction in heat loss |
The insulation ball valve significantly reduces energy loss in high-temperature or thermal-sensitive systems:
Minimizes Heat Transfer: Integrated insulation prevents heat from escaping or entering the pipeline.
Reduces Energy Costs: Less heat loss leads to lower fuel or electricity consumption for heating systems.
Environmental Benefits: Reduced energy use lowers carbon emissions.
Enhanced System Stability: Maintains consistent fluid temperature for better process control.
Tip: Insulation thickness and material type should be selected based on operating temperature and fluid type for optimal energy savings.

Insulation ball valves are highly versatile and used across multiple industries:
Oil and Gas: Controls flow in pipelines carrying steam, crude oil, or natural gas.
Chemical Processing: Handles corrosive and high-temperature fluids safely.
HVAC Systems: Regulates hot water and steam in heating and cooling circuits.
Industrial Heating: Maintains thermal efficiency in hot water and thermal fluid systems.
Food and Beverage Industry: Ensures temperature stability in process pipelines.
| Industry | Application Scenario | Benefits |
|---|---|---|
| Oil Refinery | Steam pipeline control | Reduced energy loss and maintenance |
| Chemical Plant | Hot chemical transfer | Corrosion resistance, thermal stability |
| HVAC Systems | Hot water distribution | Lower energy consumption, long service life |
| Food Processing | Temperature-sensitive pipelines | Consistent temperature, hygienic design |
Proper maintenance is crucial to ensure long-term performance of insulation ball valves.
Visual Inspection: Check the valve body, insulation layer, and connections for cracks or damage.
Seal Check: Inspect ball seats and sealing rings for wear or deformation.
Lubrication: Apply recommended lubricants to the stem and moving components.
Operational Testing: Open and close the valve to ensure smooth operation.
Cleaning: Flush pipelines periodically to prevent sediment buildup.
| Task | Normal Service | Harsh Service (high temperature, corrosive fluids) |
|---|---|---|
| Visual inspection | Weekly | Daily |
| Functional testing | Monthly | Weekly |
| Seal and seat inspection | Every 6 months | Every 2–3 months |
| Lubrication | Every 6 months | Every 3 months |
| Full overhaul | Every 12–18 months | Every 6–12 months |
| Problem | Possible Cause | Solution |
|---|---|---|
| Leakage at stem or body | Worn seals or gasket | Replace seals or gasket |
| Hard to operate | Debris or corrosion inside valve | Flush system, clean, and lubricate |
| Ball not sealing properly | Damaged ball or seat | Replace ball or seat |
| Insulation damage | Physical impact or wear | Repair or replace insulation layer |
Safety Tip: Always depressurize the system and use PPE before performing maintenance or troubleshooting.
Proper installation ensures optimal thermal efficiency and valve performance:
Verify that the valve is suitable for the operating temperature, pressure, and fluid type.
Align valve connections carefully to avoid stress on flanges or threaded ends.
Apply torque according to manufacturer specifications.
For electrically or pneumatically actuated valves, follow wiring and control instructions precisely.
Conduct a post-installation leak and performance test.
Individual Protection: Each valve wrapped in anti-rust film and protective plastic.
Outer Packaging: Corrugated carton or wooden crate with cushioning material.
Thread / End Protection: Plastic caps or plugs prevent damage.
Labeling: Product specifications, model number, material, and inspection certificate included.
| Component | Description |
|---|---|
| Inner Protection | Anti-rust paper or plastic wrap |
| Outer Packaging | Wooden crate or strong corrugated carton |
| Cushioning | Foam or cardboard inserts |
| Labeling | Material, size, model, inspection certificate |
| Weight Consideration | Based on valve size and quantity |
The insulation ball valve is a reliable, energy-efficient, and durable solution for industrial and commercial fluid systems. By implementing proper maintenance, troubleshooting, and cleaning practices, users can ensure long-lasting, leak-free performance.
Its integrated insulation, high-temperature tolerance, corrosion resistance, and energy-saving capabilities make it ideal for applications in oil and gas, chemical processing, HVAC, industrial heating, and food processing industries.
Investing in an insulation ball valve ensures operational efficiency, reduced energy costs, and extended service life, providing significant advantages for both industrial processes and energy management.
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