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Fluid Transfer Coupling (FTC)


The Moog Fluid Transfer Coupling (FTC) Is a stainless steel, two piece design using passive and active halves to secure fluid connection and sealing.  Connection of the two halves will open the flow path after the sealing engagement is established.  The design can be supplied with or without a locking mechanism and has an allowance for misalignment.  The FTC is designed for compatibility with typical non-cryogenic propellants and gases used for space applications.  A cryogenic version is currently in development.  

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Product Specifications

 

Xenon  
Materials of Construction Stainless Steel
MDP / Proof / Burst Pressure 3000 / 4500 / 6000 psia (207 / 310 / 414 bar)
Internal Leakage < 1 x 10-3 sccs GHe 
External Leakage < 1 x 10-3 sccs GHe 
Flow Rate 30 lbm/hr (13.6 kg/hr) Xe
Pressure Drop < 15 psid (1 bar) at noted flow rate
Mate De-mate cycles 25
Thermal -25 to 77°C (-14 to 170°F) operational
Mass 6 lbm (2.7 kg) per half max 
Heritage NASA docking system

 

 

MMH/NTO/Hydrazine  
Materials of Construction Stainless Steel
MDP / Proof / Burst Pressure 2000 / 3000 / 4000 psia (138 / 207 / 276 bar)
Internal Leakage < 1 x 10-3 sccs GHe 
External Leakage < 1 x 10-3 sccs GHe 
Flow Rate 75 lbm/hr (34 kg/hr) H2O
Pressure Drop < 15 psid (1 bar) H2O at noted flow rate
Mate De-mate cycles 25
Thermal -25 to 77°C (-14 to 170°F) operational
Mass 6 lbm (2.7 kg) per half max 
Heritage NASA docking system

 

 

Cryogenic – LH2/LOx/LCH4  
Materials of Construction Stainless Steel
MDP / Proof / Burst Pressure 300 / 450 / 750 psia (20.7 / 31 / 51.7 bar)
Internal Leakage < 1 x 10-3 sccs GHe 
External Leakage < 1 x 10-3 sccs GHe 
Flow Rate 1500 lbm/hr (680 kg/hr) LCH4 (calculated)
Pressure Drop < 40 psid (2.8 bar) at noted flow rate
Mate De-mate cycles 25
Thermal -240 to 22°C (-400 to 72°F) operational

 

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