PRATT WHITNEY 805373 Pressure Bleed Control Engine 80533 JT8D

( Brand: Pratt Whitney ), ( Manufacturer Part Number: 805373 ), ( Part Type: Pressure Control Engine ), ( Compatible Model: Jt8d ), ( Country Of Origin: United States )

Review PRATT WHITNEY Pressure Ratio Bleed Control Assy And Engine

The Pratt & Whitney PW805373 Pressure Bleed Control Valve, part number 80533, is a crucial component designed for use in JT8D engines. This valve plays a vital role in the engine's pressurization system, ensuring efficient and safe engine operation.

The PW805373 Pressure Bleed Control Valve is a pneumatically actuated, spring-loaded device. Its primary function is to control the pressure in the engine's bleed air system, which is used to maintain the temperature of various engine components, especially during engine start-up and cool-down sequences.

This valve features a robust design, with a forged steel body and stainless steel valve components. The valve is designed to withstand the high temperatures and pressures encountered in jet engine applications. The valve body is equipped with a bleed port, allowing the controlled release of air pressure to maintain the desired system pressure.

The PW805373 Pressure Bleed Control Valve is operated by a pneumatic actuator, which is connected to the engine's pressure control system. The actuator receives a signal from the engine's electronic control system, initiating the valve's opening or closing sequence. The valve's spring-loaded design ensures that it returns to its closed position when the actuator is de-energized.

The Pratt & Whitney PW805373 Pressure Bleed Control Valve is an essential component in the JT8D engine's pressurization system. Its reliable operation ensures that the engine maintains the proper air pressures required for efficient and safe operation. Regular inspection and maintenance of this valve are crucial to ensuring the longevity and performance of the engine.

In summary, the Pratt & Whitney PW805373 Pressure Bleed Control Valve, part number 80533, is a robust and essential component in the JT8D engine's pressurization system. Its pneumatically actuated design allows it to control the pressure in the engine's bleed air system, ensuring efficient and safe engine operation. The valve's forged steel body and stainless steel components are designed to withstand the high temperatures and pressures encountered in jet engine applications. Regular inspection and maintenance are crucial to ensuring the longevity and performance of the engine.

Pratt & Whitney 805373 Pressure Bleed Control Valve 80533 for JT8D Engine: A Comprehensive Analysis

The Pratt & Whitney 805373 Pressure Bleed Control Valve 80533 is a vital component used in the JT8D engine. This valve plays a crucial role in engine performance and safety. In this analysis, we will discuss the pros and cons of purchasing this component.

1. Enhanced Engine Performance: The Pratt & Whitney 805373 Pressure Bleed Control Valve is designed to optimize engine performance by ensuring efficient airflow and pressure balance within the engine.

2. Improved Safety: A properly functioning pressure bleed control valve is essential for the safe operation of the JT8D engine. It helps maintain the correct engine temperature and prevents potential engine damage caused by pressure imbalances.

3. Long-Term Reliability: Pratt & Whitney is a reputable aerospace manufacturer known for producing high-quality engine components. The 805373 pressure bleed control valve is expected to offer long-term reliability and durability.

4. Reduced Maintenance Costs: A well-maintained pressure bleed control valve can help minimize the overall maintenance costs of the JT8D engine by preventing potential engine damage and costly repairs.

1. High Cost: The Pratt & Whitney 805373 Pressure Bleed Control Valve 80533 is a high-value component, and its cost may be prohibitive for some operators.

2. Complex Installation: Installing the pressure bleed control valve requires specialized knowledge and tools. Improper installation could lead to potential engine damage and increased maintenance costs.

3. Potential for Wear and Tear: Despite its high-quality design, the pressure bleed control valve is subject to wear and tear due to the harsh operating conditions of the JT8D engine. Regular inspections and maintenance are necessary to ensure its proper functioning.

The Pratt & Whitney 805373 Pressure Bleed Control Valve 80533 is an essential component of the JT8D engine that offers numerous benefits, including enhanced engine performance, improved safety, long-term reliability, and reduced maintenance costs. However, its high cost and complex installation process may pose challenges for some operators. Considering the importance of this component in engine operation and safety, it is recommended to invest in a high-quality pressure bleed control valve from a reputable manufacturer like Pratt & Whitney to minimize potential risks and ensure optimal engine performance.

Details:

Comes with FAA Form 8130-3 Airworthiness Approval Tag. The Pressure Ratio Bleed Control ASSY 80533 is a specific part designed for the Pratt Whitney JT8D engine. This part is essential for controlling the pressure ratio in bleed system of engine, ensuring optimal performance and efficiency. Please see photos for full information.

In Excellent condition. Status/ Work: Repaired. Serial number #6151003.

part #: 805373 prices

• $99.99-$195.00

specifications aviationpar:

• brand: Pratt Whitney
• mpn: 805373
• part type: Pressure Control Engine
• compatible model: Jt8d
• country of origin: United States

shipping aviationpar:

• service: USPS Ground Advantage
• type: Fixed
• carrier: USPS
• class: Standard
• cost: $0.00
• transit: 5-11 Days

returns aviationpar:

• time: 60 Days
• policy: Returns Accepted
• paid by: Seller

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: Remanufactured

payments aviationpar:

• other
• credit card: Discover
• wallet: Apple-pay

offer aviationpar:

• availability: In Stock
• started: March 7, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0

seller aviationpar:

• # reviews: 1593
• city: Yucca Valley, California
• rating: 99.8%

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