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Assembly & Test Facilities

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State-of-the-Art Assembly & Test Facilities

Extensive Testing Capability for Precision Assembly & Demanding Requirements

Our vertically integrated operations ensure assembly and test procedures are streamlined to deliver the highest-quality, qualified control systems on-time.  Our ability to design & develop customized test equipment to meet stringent requirements in extreme environments enables us to deliver the highest quality solutions to our customers. 

The majority of components/systems produced by Marotta Controls are “active control products” requiring 100% final acceptance testing.  To achieve this requirement, Marotta Controls maintains a complete on-site high-performance testing capabilities.   

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Pneumatic Testing

  • 40 pneumatic test benches
  • 33 pneumatic test benches @ 6,000 psi 
  • 11 pneumatic test benches @ 15,000 psi 
  • Flow rates of 150 SCFM
  • Grouped testing for up to 25,000 psi throughput 

High Flow Testing

  • Gaseous nitrogen high flow capability
  • 2 piping systems up to 7,500 psi
  • Up to 35,000 SCFM flow rate
  • High compressor capacity and large nitrogen storage

Special Fluids

  • Ammonia
  • Freon
  • Helium
  • Hydraulic Oil
  • Hydrogen
  • Hydrogen Peroxide
  • Inert Gas
  • Isopropyl Alcohol
  • Krypton
  • LNG
  • Nitrogen
  • Oxygen
  • RP-1
  • Skydrol
  • TEA-TEB
  • Xenon

Acoustic Testing

  • 1,600 ft² acoustic testing facility
  • Structureborne & airborne noise testing
  • Dual acoustic chambers for low and high pressure testing
  • Test to less than 40 decibels for frequencies of 8 to 16,000 Hz
  • Blowdown through 2″ & 4″ lines directly from tank to atmosphere
  • Flow rate up to 270,000 SCFM at 6,300 psig 

Vibration Testing

  • Air cooled electrodynamic shaker system
  • Up to 4,000 lbs of force (lbf)
  • Velocities up to 70 inches per second (ips)
  • Payloads up to 1,000 lbs
  • Electromechanical actuation and power systems testing

Thermal & Altitude Testing

  • Altitude simulation up to 120,000 ft
  • Therrnal testing from -100ºF to 400ºF
  • 15 thermal chambers on-site to perform tests simultaneously
  •  Vacuum testing to simulate up to 10-7 TORR 

Clean Room

  • 1,000 ft² Class 10,000/ISO 7 clean room on-site
  • FED-STD-209
  • 8 Flow Benches (Class 100) with flow hoods
  • Nonvolatile Residue Analysis:
    • Grade A Isopropyl alcohol filtered through 0.3 micron membrane, readable down to 0.01 mg
    • DC-190 high temperature total organic carbon analyzer used with deionized water filtered through 0.2 micron membrane, readable to parts per million

Hydraulic Testing

  • 4 high pressure, high flow hydraulic test units on-site
  • Flow rates of 25 GPM at 5,000 psig (MIL-H-83282 & 5606)
  • Short duration pressures up to 10,000 psig of CTFE (MIL-H6083 or 5606 hydraulic fluid)
  • Flow rates of 30 GPM at 6,000 psi Skydrol LD-4
  • Flow ratess of 30 GPM at 1,500 psi of Lub Oil (MIL-PRF-23699)

Hydrostatic Testing

  • Fluids testing up up to 60,000 psi
  • Gaseous Nitrogen or helium testing up to 25,000 psi
  • Walk-in proof chamber permits full operational control and visual assessment through bullet-proof glass viewing window

Lapping

  • In-house capability to achieve ± 1 µ
  • Flatness to ± 0.000001″

Welding

  • Laser, electron beam & gas tungsten arc welding (GTAW) beam
  • Certified nondestructive level 3 inspectors

Soldering

  • Soldering in accordance with IPC-J-STD-001
  • Space hardware soldered to IPC-A-610 & NASA STD-8739.3 
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Marotta Controls COVID-19 Statement and Company Status Updates Learn more

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