An all new improved valve for the price of repairing your old one. Many of the original valves have too much damage to be repaired cost-effectively. The original Cessna fuel valve that started in model 170 was a simple but ingenious cam ball design that has proven very reliable over the years. A lot of them have corrosion damage in the main body that is too severe to fix, or the O-ring retention area is damaged and too rough to seal. Many of the fittings are corroded through. The cam bearing is brass and easily corrodes the aluminium alloy cam. From years of experience, McFarlane found flaws that degrade the service life and reparability of the original Cessna valves. They have directly address these issues in our improved design to provide a higher quality, longer-lasting valve.
Improved corrosion resistance: McFarlane’s new valves are totally anodized where the original valves were Alodine conversion coated. This change drastically improves the surface durability, wear resistance, and corrosion resistance of all the components, and they will stay pretty too! Corrosion protection is important since the valves are at the lowest point in the fuel system without any upstream water separation or contaminate screening. They have also eliminated the brass bushing that corrodes the cam.
Improved O-ring retention: Modern machining processes lets us precision machine the O-ring capture cavity. The original valve O-rings were retained by staking (stamp forming) the housing. This process was inconsistent at best and distressed and weakened the surrounding aluminium structure.
More balanced fuel flow: Yesterday’s manual machining process of the original valves were often inconsistent enough to let one port flow more fuel than needed while the other port might flow a very marginal amount of fuel. The new McFarlane valve is computer machined for a perfect balance of fuel flow.
You can rest assured that if it’s a new McFarlane valve or a valve repaired by McFarlane, it will be pressure, functional, and flow tested to perform to the highest standards.
|Part||Cessna Series||Cessna Model||Price|
|MC0513120-5||170, 172 & 175||170B, 172, 172A, 172B, 172C, 175, 175A & 175B||£POA||0|
|MC0513120-6||172 & 175||172D, 172E, F172D, F172E, FP172, P172D & 175C||£POA||0|
|MC0513120-8||172||172F (T-41A), 172G, 172H (T-41A), 172I, 172K, 172L, 172M, F172F, F172G, F172H, F172K, F172L, F172M, FR172E, FR172F, FR172G, FR172H, FR172J, R172E (T-41B,C,D), R172F (T-41D), R172G (T-41C,D) & R172G (T-41C,D)||£POA||0|
|MC0513120-9||177||177, 177A & 177B||£POA||0|
|MC0513120-200||172||172M, F172M, FR172J, FR172K & R172K||£POA||0|
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