Description

Fisher Type T205B Balanced Tank Blanketing Regulator
🌟 Product Overview
The Fisher Type T205B Balanced Tank Blanketing Regulator is designed for precise low-pressure nitrogen blanketing in storage tanks and closed vessels.
With its balanced diaphragm structure and internal pressure registration, it ensures stable tank pressure control, preventing oxidation, contamination, and product loss.
This regulator is ideal for users who require reliable tank protection, long service life, and minimal maintenance, especially in chemical, petroleum, and industrial storage systems.
⚙️ Key Features & Advantages
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Balanced diaphragm design for consistent pressure regulation
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Internal pressure registration for accurate tank monitoring
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Supports NBR, FKM, or EPDM diaphragms for different media
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IP67 protection class for harsh environments
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Compact structure for easy installation and replacement
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Suitable for continuous low-pressure blanketing operation
🏭 Typical Applications
The T205B is widely used in applications where tank safety and product quality are critical:
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Chemical storage tanks for oxidation prevention
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Petrochemical and fuel tanks for vapor control
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Pharmaceutical and food storage systems
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Industrial liquid storage vessels
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Terminal and depot tank farms
For operators, this means reduced product degradation, lower safety risks, and improved compliance with industry standards.
📊 Technical Parameters
| Body Size | 3/4 inch or 1 inch / DN20 or DN25 |
| Maximum Allowable Inlet Pressure | 150 psig / 10.3 bar |
| Maximum Outlet (Casing) Pressure | 35 psig / 2.4 bar |
| Maximum Emergency Outlet Pressure | 35 psig / 2.4 bar |
| Standard Temperature Range (NBR) | -20 to 180°F / -29 to 82°C |
| High Temperature Range (FKM) | 40 to 300°F / 4 to 149°C |
| Pressure Registration | Internal (Type T205) |
| Spring Case Vent Connection | 1/4 NPT |
| Diaphragm Case Control Line | 1/2 NPT |
| Protection Class | IP67 |
| Accuracy | 0.75% |
🤝 Why Work With Us
We know tank blanketing systems are directly related to plant safety and operating cost.
When you choose us, you get:
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Professional model selection support
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OEM / ODM customization available
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Strict quality inspection before shipment
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Fast quotation and stable supply
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Technical assistance for installation and commissioning
Our goal is to help you reduce operational risk and improve project efficiency.

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