Flow Control and Shutoff Valve Repair & Overhaul
4068B000-003 — Flow Control and Shutoff Valve Repair & Overhaul
| Part number | 4068B000-003 |
|---|---|
| Nomenclature | Flow Control and Shutoff Valve |
| Manufacturer | Honeywell |
| Aircraft make | Dornier |
| Aircraft model | 328 |
| Capability | Shutoff Valves |
FAA & EASA Part 145 repair & overhaul. We'll confirm turnaround and pricing.
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Component Overview
A flow control and shutoff valve is a pneumatic valve in the air management system that both modulates bleed or conditioned airflow to a scheduled rate and provides positive shutoff of the line. Combining a regulating element with an actuator and butterfly or poppet, it controls air delivery to packs or distribution while limiting flow to protect downstream components, then closes fully on command. Operating in a hot, pressurized, vibratory environment, it is prone to butterfly shaft and bearing wear, seat and seal erosion causing internal leakage, contamination and corrosion that cause sticking or sluggish response, worn flow-sensing or torque-motor elements, and actuator diaphragm fatigue. These conditions drive flow calibration, leak and functional testing, seal and bearing replacement, and overhaul to restore scheduled performance.
Aircraft Application
Part number 4068B000-003 (Flow Control and Shutoff Valve) is installed on the Dornier 328. QTC supports operators and MROs servicing this platform with certified repair and overhaul.
Our Repair Capability
QTC repairs and overhauls 4068B000-003 to the original manufacturer's specifications under our FAA and EASA Part 145 approvals. Our team — including former OEM pneumatic & air management engineers — performs teardown, inspection, cleaning, component replacement, functional testing, and certification, returning a serviceable unit with the appropriate airworthiness release. We also develop repairs for rejected and beyond-economic-repair (BER) hardware.
Related Parts
Other flow control and shutoff valve part numbers we repair — view all Flow Control and Shutoff Valve parts →
| Part number | Nomenclature | Model |
|---|---|---|
| 4068B000-001 | Flow Control and Shutoff Valve | 328 |
Frequently Asked Questions
Can QTC repair part number 4068B000-003?
Yes. 4068B000-003 (Flow Control and Shutoff Valve) is within QTC's FAA & EASA Part 145 repair and overhaul capability. Request a quote to confirm current turnaround and pricing.
What aircraft is part 4068B000-003 used on?
4068B000-003 is used on the Dornier 328.
What condition does QTC accept for 4068B000-003?
QTC accepts serviceable, unserviceable, and beyond-economic-repair (BER) units for evaluation. Our engineers determine the most cost-effective repair path after incoming inspection.
What is the typical turnaround time for flow control and shutoff valve repair?
Turnaround depends on repair scope and material availability. Contact QTC for a current estimate.
Request a Quote for 4068B000-003
Send us the part number and condition and our engineers will respond with repair scope, turnaround, and pricing.