WEMAC 38-581-3 Valve Cabin Air

( Brand: Wemac ), ( Manufacturer Part Number: 38-581-3 ), ( Part Type: Valve ), ( Warranty: 30 Day )

Review WEMAC Valve Cabin Air

The WEMAC 38-581-3 Valve is a crucial component of an aircraft's cabin pressurization system. This valve is designed to regulate the flow of air from the main cabin to the cockpit, ensuring that the pilots and other flight crew members maintain a comfortable and breathable environment during flight.

The WEMAC 38-581-3 Valve is a pneumatically operated, two-position valve, which means it can be manually actuated to open or close. The valve body is made of high-strength, lightweight aluminum alloy, making it ideal for use in aviation applications. The valve's actuator is equipped with a spring-loaded diaphragm, which provides the necessary force to open or close the valve in response to changes in cabin pressure.

The valve features a robust design with multiple sealing surfaces to prevent leakage and ensure a tight seal. The sealing surfaces are made of high-quality, wear-resistant materials, such as PTFE and O-ring seals, to ensure long-lasting performance. The valve also includes a drain port, which allows any accumulated condensation to be easily drained away.

The WEMAC 38-581-3 Valve is designed to meet the rigorous requirements of aviation applications, including FAR 25.853 and FAR 27.810. It is also approved for use in both pressurized and unpressurized aircraft, making it a versatile and valuable addition to any aircraft's cabin pressurization system. The valve is easy to install, with a simple bolt-on design that requires no special tools or expertise.

In summary, the WEMAC 38-581-3 Valve is a high-performance, reliable, and easy-to-install component of an aircraft's cabin pressurization system. Its robust design, multiple sealing surfaces, and approval for use in both pressurized and unpressurized aircraft make it an essential tool for maintaining a comfortable and breathable cabin environment for pilots and crew members.

The WEMCO 38-581-3 valve is a cabin air filter designed for use in heavy-duty vehicles and commercial applications. Here are some potential pros and cons of buying this particular filter:

1. High-performance filtration: The WEMCO 38-581-3 valve is designed to provide efficient filtration of cabin air, removing pollen, dust, and other airborne particles to improve indoor air quality.

2. Durable construction: The filter housing is made of heavy-duty materials, ensuring that it can withstand the rigors of commercial use.

3. Easy installation: The filter is designed to be easy to install and replace, making it a convenient option for fleet managers and other commercial users.

1. Cost: The WEMCO 38-581-3 valve may be more expensive than some other cabin air filters on the market, making it a potential drawback for budget-conscious buyers.

2. Size: The filter is larger than some other options, which may require more space in the vehicle's engine compartment or under the dashboard.

3. May require professional installation: Depending on the specific vehicle and its air filtration system, installation of the WEMCO 38-581-3 valve may require professional assistance, adding to the overall cost.

In conclusion, the WEMCO 38-581-3 valve offers high-performance filtration and durable construction, making it a strong option for commercial applications. However, its cost and size may be drawbacks for some buyers. Ultimately, the decision to purchase this filter will depend on the specific needs and budget of the buyer.

If the primary concern is high-performance filtration and durability, the WEMCO 38-581-3 valve is a solid choice. However, if cost is a major factor, it may be worth considering other, less expensive options. In general, it's important to carefully evaluate the specific needs of the application and weigh the pros and cons before making a purchase.

Details:

Removed in working condition. Return shipping paid by buyer.

part #: 385813 prices

• $84.00-$149.99

specifications aviationpar:

• brand: Wemac
• mpn: 38-581-3
• part type: Valve
• warranty: 30 Day

seller aviationpar:

• city: Galesburg, Illinois
• # reviews: 262
• rating: 100.0%

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: Used

payments aviationpar:

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

shipping aviationpar:

• type: Calculated
• cost: $11.24
• class: Standard
• service: UPS Ground
• carrier: UPS
• transit: 3-5 Days

returns aviationpar:

• policy: Returns Accepted
• time: 14 Days
• paid by: Buyer

offer aviationpar:

• quantity: 1
• started: November 10, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0
• best offers: True

Wemac 38-581-3 Is Similar To:

• 2373-3 Beechcraft Air Outlet Wemac New (20% similar) ...(February 14th, 2019)
• 2480-02 Wemac Air Vent Outlet (29.5% similar) Up for sale is an air vent that manufactured by Wemac...(June 23rd, 2017)
• 410-8501 Keco Wemac Aircraft Light Eyeball Air Vent Removal Tool (27.1% similar) No more aircraft work for me. Item bought new but never used on aircraft...(December 30th, 2018)
• 1755-501 N A Wemac Co Swivel Eyeball Cabin Air Vent Aviation Part New (39.6% similar) For every 50 insured, in 50 increments. If items are listed as new they may not come with original packaging. Most boxes have been opened for inspection and photos. The shipping price quoted is for the continental USA only...(February 25th, 2016)
• Wemac B-2150 Mooney M20 M20c Fresh Air Vent Assy P n 1024-1314 (29.2% similar) Guaranteed to pass inspection or your money back. Mooney M20C Wemac fresh air vent assembly. TVA 3,828.56. Removed in good condition from a parted out 1966 Mooney M20C N6080Q, s/n 3256. 30 day money back guaranteed less shipping costs. Free shipping is usually USPS...(October 16th, 2024)
• Wemac 2368-501 Air Valve Assembly (58.5% similar) Shipping: BSA offers free shipping on most products shipped domestically. A business or residential address is required for delivery. Manufacturer: Wemac. Most orders placed before 2:30P MST ship the same day unless special handling is required. 2368-501 Wemac air valve assembly: some details about ...(November 11th, 2024)
• Beechcraft 2596869 B95 Travel Air Wemac Inch Eyeball Vent B-2120-501 (23.5% similar) Beech craft B95 travel air / Wemac eyeball vent 2596869 B-2120-501. Recently removed...(December 24th, 2024)
• Wemac 2368-503 Air Vent Valve (55.7% similar) Was sold a few years ago. Also have the reading lights 2195-501. Used as is, no paperwork, only the parts with proper p/n stamps. This is a set of 8 Wemac 2368-503 air vent valves and the closeout ring 7194-1 from beech craft duke...(January 4th, 2025)
• Cessna 0813610-10 310 310j Wemac Air Vent Valve P n 0825-859 (31.9% similar) Free shipping is usually USPS. Cessna 310 / 310J Wemac air vent valve. TVA 4,435.9. P/n 0813610-10, 7195. Guaranteed to pass inspection or your money back. Removed in good condition from a parted out 1965 Cessna 310J N3195L, s/n 310J0195...(September 15th, 2025)
• Cessna 0813610-3 182 182l Wemac Fresh Air Vent P n 0126-913 (23.7% similar) Removed in good condition from a parted out 1968 Cessna 182L N42175, s/n 1825885. Cessna 182 / 182L Wemac fresh air vent. P/n 0813610-3. Guaranteed to pass inspection or your money back. TVA 3,208.46. Free shipping is usually USPS...(February 9th, 2026)
• Beechcraft 69-4450009-84 C23 Wemac Air Vents 2ct P n 169-4450009-84 3875 (17.1% similar) Selling as removed. Selling a pair of beech craft C23 Wemac air vents. Used condition...(March 22nd, 2026)