ตัวแทนจำหน่าย Fisher by Emerson T205 Series Tank Blanketing Regulators ในประเทศไทย
The Fisher T205 Series is a direct-operated, spring-loaded tank blanketing regulator designed to provide consistent low-pressure control in storage tank applications. Its primary function is to maintain a slightly positive pressure within the tank, which helps prevent product vapor loss, reduce combustibility, and protect stored liquids from oxidation or contamination by minimizing air exposure.
The T205 Series also protects the structural integrity of the tank by reducing the risk of wall collapse during pump-out operations.
Available configurations include:
• Types T205 and T205H for internal pressure registration
• Types T205M and T205HM for external pressure registration
Features
Low Pressure Control with Fast Response
• Capable of regulating pressures as low as 1 inch w.c. (2.5 mbar), the direct-operated design allows for rapid response to changing flow demands and downstream pressure conditions.
Exceptional Accuracy and Minimal Lockup Pressure
• A large diaphragm area enables precise control at low pressure settings. The lever-style design ensures the valve shuts off tightly with only minimal lockup pressure.
Suitable for Arctic Environments
• Optional configurations are available for process temperatures as low as –76°F (–60°C).
Wide Gas Compatibility
• Suitable for use with a variety of gases including air, nitrogen, natural gas, sour gas, butane, and propane. Sour gas service models are constructed in accordance with NACE MR0175-2002.
Corrosion-Resistant Options
• Offered in a range of materials compatible with corrosive gases, ensuring long-term reliability in harsh environments.
Meets Sanitary Requirements
• Types T205 and T205M are available with FDA/USP Class VI and ADI-free elastomers, making them suitable for clean service applications in food, pharmaceutical, and biotech industries.
Easy Configuration Change
• Quickly convert from internal to external registration (or vice versa) using just two O-rings and one screw, simplifying installation and inventory requirements.
Hydrogen Ready
• Tested and qualified for hydrogen service, including evaluations for material compatibility, leakage resistance, and susceptibility to hydrogen embrittlement.
Specifications
Body Sizes
• 3/4 or 1-inch / DN 20 or 25
Maximum Allowable Inlet Pressure
• Gray Cast Iron: 150 psig / 10.3 bar
• WCC Carbon Steel, LCC Carbon Steel or CF8M/CF3M Stainless Steel: 200 psig / 13.8 bar
Maximum Outlet (Casing) Pressure
• Gray Cast Iron: 35 psig / 2.4 bar
• WCC Carbon Steel, LCC Carbon Steel or CF8M/CF3M Stainless Steel: 75 psig / 5.2 bar
Max Emergency Outlet Pressure to Avoid Internal Parts Damage
• NBR, FKM or EPDM diaphragm: 35 psig / 2.4 bar
• FEP diaphragm: 10 psig / 0.7 bar
Standard Temperature Capabilities
• NBR: -20 to 180°F / -29 to 82°C
• FEP: -20 to 180°F / -29 to 82°C
• EPDM: -20 to 225°F / -29 to 107°C
High Temperature Capabailities
• FKM: 40 to 300°F / 4 to 149°C
• FFKM: 0 to 300°F / -18 to 149°C
Pressure Registration
• Type T205: Internal
• Type T205M: External
Spring Case Vent Connection
• 1/4 NPT
Diaphragm Case Control Line Connection (Type T205M)
• 1/2 NPT
Approximate Weight
• 17.7 pounds / 8 kg
Additional Technical Data
• For additional technical information, contact your local Sales Office or refer to technical documentation.
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