Tugs In Stock | New & Refurbished Available Now
Shop by Aircraft

Menu

Interface Devices 11632 Check Valves for NB-45 Nitrogen Booster

Available for Order
Usually ships in 4 to 5 weeks
CofC and 8130 available at no cost
Worldwide shipping available
Ask Our Aviation Specialists
Live Chat | +1.252.585.4553 | Email

Need a Quote?

Use this form to get a quote by email today.
First Name:*
Last Name:*
Email:*
Company Name: (optional)
Questions/Comments: (optional)

The Interface Devices 11632 Check Valves are a set of two replacement valves for the NB-45 nitrogen booster, designed to ensure one-way nitrogen flow and prevent backflow during operation. These check valves help maintain system pressure, protect components, and support safe, efficient nitrogen boosting performance.

General Information
Part #11632
ManufacturerInterface Devices
Shipping Information
Product Weight1 lbs.
Product Dimensions1 x 1 x 1 in.

Customers also viewed

ACF-50 ACF-50-SpraySystem-50000
Handheld Spray System – Turns ACF-50 Into a Dense Fog
Goodyear 185F03-5
18x5.5, 10-Ply
Goodyear 156E61-3
15X6.0-6 - 6-Ply MLG/NLG
Goodyear 175K88-4
– 17.5x6.25-6, 8-Ply

Customers who bought this item also purchased

Interface Devices NB-45
– Without Calibrated Gauges and Certificate

AIRCRAFT COMPATIBILITY

Compatible Aircraft*
*This list is for general reference only and may not be entirely accurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.

PRODUCT REVIEWS

This item does not have any reviews yet.

QUESTIONS & ANSWERS

Question:
What are the Interface Devices 11632 check valves used for?
Answer:

The 11632 check valves are used in the NB-45 nitrogen booster to control the direction of nitrogen flow. They ensure that gas moves in one direction only, preventing reverse flow. This is essential for maintaining proper system operation. These valves play a key role in both performance and safety.

Asked March 20, 2026
Question:
Why are check valves important in a nitrogen booster system?
Answer:

Check valves are critical for preventing backflow of high-pressure nitrogen into low-pressure supply lines. Without them, pressure could equalize and disrupt the boosting process. They help maintain consistent pressure and system efficiency. This also protects equipment from potential damage.

Asked March 20, 2026
Question:
How do the 11632 check valves work?
Answer:

These check valves operate automatically in response to pressure differences within the system. When pressure is higher on one side, the valve opens to allow flow. If pressure reverses, the valve closes to block backflow. This simple design requires no external power.

Asked March 20, 2026
Question:
How do check valves help maintain system pressure?
Answer:

Check valves prevent nitrogen from flowing backward once it has been pressurized. This helps maintain downstream pressure without forcing the booster to restart against resistance. Consistent pressure improves system efficiency. It also supports smoother operation during filling cycles.

Asked March 20, 2026
Question:
Can faulty check valves affect nitrogen booster performance?
Answer:

Yes, worn or damaged check valves can lead to pressure loss or inefficient operation. Backflow may occur, reducing system performance and increasing cycle times. This can also place additional strain on the booster. Replacing faulty valves helps restore proper function.

Asked March 20, 2026
Question:
Do the 11632 check valves improve system safety?
Answer:

These check valves enhance safety by isolating different pressure zones within the system. They prevent unintended reverse flow that could cause pressure surges or equipment damage. Proper flow control is essential when working with high-pressure gases. Reliable valves help minimize operational risks.

Asked March 20, 2026
Question:
Are the 11632 check valves a direct replacement for the NB-45 nitrogen booster?
Answer:

Yes, the 11632 check valves are designed as direct replacement components for the NB-45 nitrogen booster. They match the system’s specifications and performance requirements. This ensures proper fit and reliable operation. Using OEM-compatible parts helps maintain system integrity.

Asked March 20, 2026
Question:
How do check valves support efficient nitrogen boosting?
Answer:

Check valves prevent nitrogen from being drawn into the booster and compressed, then escaping back into the supply line. This allows the booster to operate efficiently during each cycle. Proper flow direction improves overall system performance. It also reduces wasted energy and time.

Asked March 20, 2026
Question:
When should the check valves be replaced?
Answer:

Check valves should be replaced if there are signs of leakage, reduced pressure, or inconsistent performance. Regular inspection helps identify wear or contamination. Replacing them as needed ensures reliable operation. Preventative maintenance can extend the life of the booster system.

Asked March 20, 2026
Question:
Can check valves help prevent contamination in the system?
Answer:

Yes, check valves help prevent contaminants from traveling backward through the system. By maintaining one-way flow, they reduce the risk of introducing debris or impurities into critical components. This helps protect the booster and downstream equipment. Clean operation improves reliability and longevity.

Asked March 20, 2026