ESA - BepiColombo .
Picture Gallery
Contact

Nigel Kay

General Manager

MAIL 36 Central Way, Cheltenham Trade Park, Cheltenham, GL51 8LZ, UK
EMAIL nigel.kay@nammo.com
TEL +44 7714 322866

NAMMO CHELTENHAM

GENERAL CAPABILITIES

  • Dedicated, skilled space engineering team
  • Experienced Assembly Integration and Test team
  • Program Management

QUALITY AND INSPECTION

  • Certified to AS9100
  • Inspection department including CMM and optical measuring equipment
  • Laser part marking
  • Complete traceability of inspection records
  • Material traceability from original mill source to final components

CLEANROOM and ENVIRONMENTAL TESTING

  • ISO Class 8 environment, with Class 5 laminar flow booths
  • Large 1m diameter x 2m long Vacuum chamber
  • Thermal vacuum chambers
  • Thrust test facility
  • Vacuum/leak testing and pressure testing.
  • Air borne and liquid Particle measurement.
  • Pressure Test facility to 1500 bar
  • Computer controlled TIG and Orbital TIG weld facility
Location

Nammo Cheltenham Unit 36, Enterprise Way, England, GL51 8LZ, United Kingdom

Datasheet

2021 Nammo Cheltenham Low Pressure In-line Flow Control Valve

Low Pressure In-line Flow Control Valve

The In-line Flow Control Valve is a single stage solenoid actuated non-sliding fit flow control device, designed for propulsion system applications.

Picture Gallery
Contact

Nigel Kay

General Manager

MAIL 36 Central Way, Cheltenham Trade Park, Cheltenham, GL51 8LZ, UK
EMAIL nigel.kay@nammo.com
TEL +44 7714 322866

NAMMO CHELTENHAM

GENERAL CAPABILITIES

  • Dedicated, skilled space engineering team
  • Experienced Assembly Integration and Test team
  • Program Management

QUALITY AND INSPECTION

  • Certified to AS9100
  • Inspection department including CMM and optical measuring equipment
  • Laser part marking
  • Complete traceability of inspection records
  • Material traceability from original mill source to final components

CLEANROOM and ENVIRONMENTAL TESTING

  • ISO Class 8 environment, with Class 5 laminar flow booths
  • Large 1m diameter x 2m long Vacuum chamber
  • Thermal vacuum chambers
  • Thrust test facility
  • Vacuum/leak testing and pressure testing.
  • Air borne and liquid Particle measurement.
  • Pressure Test facility to 1500 bar
  • Computer controlled TIG and Orbital TIG weld facility
Location

Nammo Cheltenham Unit 36, Enterprise Way, England, GL51 8LZ, United Kingdom

Datasheet

2021 Nammo Cheltenham Low Pressure In-line Flow Control Valve

The valve consists of a single valve cores brazed together.  The valve stage is a solenoid operated flow control valve with a single seat, single coil, normally closed with non-sliding fit configuration.  The design of the seal/seat interface ensures minimal flow discontinuities, therefore reducing susceptibility to contamination induced failures and minimising pressure losses.

The valve is opened independently by energising the coil; the resulting force generated by the induced magnetic flux causing the armature to move towards the ‘fixed pole’, and in doing so lifts the seal from its seat.

The valve is an externally fully welded structure, ensuring the external leak rate is zero.  The inlet incorporates a 25µm particle filter, which is swaged securely in place.  The inlet to the valve can be supplied with welded or threaded connections, using straight inline and right angled connections.  The outlet tube can be similarly customised to suit customer requirements.

Performance Characteristics

  • Operating Media GXe, GN2, GHe, CF4, Butane , Propane
  • Maximum Operating Pressure 20 bar
    290 psi
  • Proof Pressure 30 bar
    435 psi
  • Burst Pressure 50 bar
    725 psi
  • Flow Rate / Pressure Drop <0.05mbar@ 5.5mg/s GXe at 20°C
  • Internal Leakage <1 x 10-4 scc/s GHe
  • External Leakage <1 x 10-6 scc/s GHe
  • Response < 5ms open/close under all conditions
  • Electrical Interface Flying leads
  • Operating Cycle Life 2,000,000 cycles
  • Filter Rating 25 µm absolute
  • Wetted Materials AISI316L, AISI304L, Radiometal 4550, Silicone/EPDM Rubber
  • Hardware Mass 35 gram
    0.077 lb
  • Envelope 16 mm OD x 21 mm + interfaces
  • Options Interface can be fully customised
  • Input Voltages 24 Vdc to 32 Vdc
  • Coil Power 4 W
  • Fluidic Interface 1/4” tube stub or threaded AS4395 fitting
  • Technology Readiness Level Flight Qualified, TRL9

Status

The Nammo Space Low Pressure Solenoid Valve has flight heritage on the following platforms:

  • Bepi Columbo
  • AlphaSat
  • HispaSat
  • DMC
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Norway

Nammo AS

MAIL P.O. Box 142, NO-2831 Raufoss, Norway
VISIT Enggata 40, NO-2830 Raufoss, Norway
EMAIL info@nammo.com
TEL +47 61 15 36 00 (0800 - 1500)

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