Ground support

With the MH line of FBO GSE transfillers and adapters, you can easily refill your cylinders by using an aviators breathing oxygen cylinder, saving time and money. All MH GSE products meets or exceed SAE, CGA and DOT specifications.


Overview


Contrary to common myths, there are no different grades of oxygen in cylinders maintained under DOT regulations. You can save yourself time and money by filling your own cylinder. What you will find at many FBO’s is an oxygen-cart with a group of large oxygen cylinders cascaded together with a high-pressure hose-line system. This cart is pulled out to an aircraft if it has a built-in system. If you are going to use oxygen on a frequent basis, you can rent/lease the same cylinders, place them in a safe place in your hangar, cascade them together with our CIC kits, use one of our transfiller units and have your own mini oxygen service station. If you do not have a transfilling system and are filled by a compressed gas facility, be sure to inform them that your oxygen cylinder is for ‘aviator’s breathing oxygen’.

With our MH line of GSE Oxygen-Fitting Adapters and MH Transfilling-Adapters you will have the confidence to connect, service and refill almost any type of oxygen cylinder for aviation. Our MH Oxygen transfilling adapters allow you to interconnect between CGA-540, (North American Industrial Standard), CGA-870 (Medical), and DIN-477-9 (the European Union [EU] Standard). Custom adapters can be made-to-order, call 800-468-8185 for details.

With Mountain High's line of oxygen transfillers and adapters you can refill your cylinder without making expensive trips back to an airport or compressed gas facility. Buy or rent a large oxygen cylinder and do your own refills in a fraction of the time and cost. Our oxygen transfillers have micro-particle filters at the inlets and outlets to help keep dirt out of your oxygen system to meet or exceed SAE, CGA and DOT specs.

Transfilling Overview
Cylinder Inter Coupler (CIC) Kit 
Transfill Adapter Line-Up and Selector Guide
FBO GSE Transfiller Kit
Other Mountain High Documents


Complete Transfilling System

A transfilling system is basically a large cylinder to be used to re-charge your airplane's cylinder.  A transfill system can be used to fill multiple tanks at your gliderport, or you can take a tank with you on a soaring vacation or to a contest.  The idea is to use a large cylinder to reduce the number of times you need to get oxygen from an oxygen supplier.  If your airplane's oxygen system has a standard oxygen cylinder with a CGA-540 port, a complete system would include:

  • Large cylinder (with CGA-540 port) such as an AL-1723-540 or AL-3452-540 
  • Transfill Adapter such as an TR-55-CGA-540 or TR-75b-CGA-540 or TR-95b-CGA-540 or TR-105b

If you want to build a large bank of cylinders you would simply add to the system above with multiple large tanks and MH-00GSE-1020-00 Cylinder Intercoupler Kits.

Cylinder Valve Port Types
There are 2 types of cylinder valve port types commonly used in aircraft.  It is important to know which one is on your cylinder when ordering a regulator for it.  The regulator attaches to this port.

  • CGA-540 - US standard, Approximate outer diameter of threads: 0.875" (22.2 mm)
  • DIN-477 - European standard, Approximate outer diameter of threads: 1" (25.4 mm)

CGA-540 Port Terminology
The terminology used to describe the "male" and "female" CGA-540 ports can be very confusing so it is difficult to get it right.  That can be expensive if you order the wrong adapter.  The best way to verify that you are ordering the right part is to look at the photos shown on this page.  Below is an attempt at describing each port type - with photos.

  • CGA-540 "N" port - The "N" stands for "nut" or "nipple".  This port has "female" internal threads inside the nut.  But it has a part that extends into the mating connector so it is sometimes called a "male" connector.  Please refer to this port type as a CGA-540 "N" port.

     
  • CGA-540 "S" port - The "S" stands for "socket".  This port has "male" external threads but it is sometimes called a "female" connector because the mating connector fits into it.  Please refer to this port type as a CGA-540 "S" port.

Refine Search

MH-00BLT-1016-xx

MH-00BLT-1016-xx

Flex-Fill, 18, 24, 36, 48 or 60 inch (45.7, 61.0, 91.4, 121.9, or 152.4 cm) with MH-300 Pressure Gau..

$155.00

MH-00GSE-1000-00

MH-00GSE-1000-00

Transfill Adapter, "N"-Style CGA-540 port and MS22066 or MS22035 Filler PortsTA-380-N, Adapts CGA-54..

$146.00

MH-00GSE-1002-00

MH-00GSE-1002-00

Transfill Adapter, "S"-Style CGA-540 port and MS22066 or MS22035 Filler PortsTA-380-S, Adapts CGA-54..

$149.00

MH-00GSE-1004-00

MH-00GSE-1004-00

Transfill Adapter, "S"-Style CGA-540 port and 9/16-18 Scott FittingTA-916-S, Adapts CGA-540 to the S..

$186.00

MH-00GSE-1006-00

MH-00GSE-1006-00

TA-540-GA CGA-540 Gender AdapterCGA-540 to CGA-540 Gender Switch (TA-540S-540S)The TA-540-GA is simp..

$50.00

MH-00GSE-1008-00

MH-00GSE-1008-00

TR-55 CGA-540 to CGA-540 Oxygen Transfiller DeviceTR-55 CGA-540 Transfiller 18"The TR-55 is the most..

$175.00

MH-00GSE-1008-01

MH-00GSE-1008-01

TR-55 CGA-540 to DIN-477 Oxygen Transfiller DeviceTR-55-CGA-DIN Transfiller 18" (New Euro) - On..

$253.00

MH-00GSE-1008-04

MH-00GSE-1008-04

TR-55 CGA-540 to DIN-477 Oxygen Transfiller DeviceTR-55 CGA-540 Transfiller 4' The TR-55 is the m..

$225.00

MH-00GSE-1014-00

MH-00GSE-1014-00

TR-875 CGA-870 (medical oxygen fitting) to CGA-540 (standard oxygen fitting) Oxygen Transfiller Devi..

$239.00

MH-00GSE-1020-00

MH-00GSE-1020-00

TR-CIC-540 Cylinder Intercoupling Kit CIC-540 Cylinder Intercoupling Kit for CGA-540 cylindersTR-CIC..

$199.00

MH-00GSE-1022-00

MH-00GSE-1022-00

DIN 477-9 (Euro) to CGA-540 Transfill AdapterDIN 477-9 (Euro) Socket to CGA-540 Grip Knob Trans..

$149.00

MH-00GSE-1023-00

MH-00GSE-1023-00

TA-540-DIN Transfill Adapter CGA-540 to DIN 477-9 (Euro) Transfill Adapter. (TA-540N-DIN(S)The ..

$129.00

MH-00GSE-1024-00

MH-00GSE-1024-00

TA-870-Y Transfill Adapter870-Y Medical to CGA-540 Socket Transfill Adapter. (TA-870-Y)The TA-870-Y ..

$125.00

MH-00GSE-1025-00

MH-00GSE-1025-00

TA-870-P Transfill AdapterAllow the connection of CGA-870 (medical-style post valve) cylinders and d..

$149.00

MH-00GSE-1026-00

MH-00GSE-1026-00

Transfill Adapter, "N"-Style CGA-540 port and 9/16-18 Scott FittingTA-916-N, Adapts CGA-540 to the S..

$179.00

MH-00GSE-1027-00

MH-00GSE-1027-00

TA-DIN-540 Transfill Adapter CGA-540 Socket Male to DIN 477-9 (Euro) Nut-Nipple Transfill Adapt..

$179.00

MH-00GSE-1029-01

MH-00GSE-1029-01

TA-540-AN Transfill Adapter CGA540 Nipple to AN800 (3/8-24) Transfill Adapter. (TA-540-AN800)So..

$99.00

MH-00GSE-1037-01

MH-00GSE-1037-01

Adapter, SCOTT type to AN-800 (MS22066)Scott (FM) Nipple to AN-800(M) Socket Transfill AdapterTransf..

$109.00

MH-00GSE-1038-00

MH-00GSE-1038-00

Adapter, SCOTT type to 1/8 NPT Male9/16 Scott Adapter (FM) Nipple to 1/8 NPT-M Transfill AdapterThe ..

$90.25

MH-00GSE-1040-00

MH-00GSE-1040-00

Transfiller Adapter, 1/8 NTP (M) to AN-800 nipple transfill adapter 1/8 NPT (M) to AN-800 nippl..

$79.00

MH-00GSE-1044-00

MH-00GSE-1044-00

CGA-540 to BS-341-3 Transfill AdapterBS-341-3 (nipple) to CGA-540 (socket)  Transfill Adap..

$95.00

MH-00GSE-1100-xx

MH-00GSE-1100-xx

TR-75c CGA-540 to CGA-540 Oxygen Transfiller Device with O-Ring Fittings and Bleed Valve - Most..

$429.00

MH-00GSE-1101-04

MH-00GSE-1101-04

TR-75c CGA-540 to DIN-477 Oxygen Transfiller Device with O-Ring Fittings and Bleed Valve TR-75c..

$559.00

MH-00GSE-1102-04

MH-00GSE-1102-04

TR-75c DIN-477 to DIN-477 Oxygen Transfiller Device with O-Ring Fittings and Bleed ValveTR-75c-DIN-D..

$559.00

MH-00GSE-1104-xx

MH-00GSE-1104-xx

TR-95c CGA-540 to CGA-540 Oxygen Transfiller Device with O-Ring Fittings, Gauge and Bleed ValveTR-95..

$499.00

MH-00GSE-1105-04

MH-00GSE-1105-04

TR-95c CGA-540 to DIN-477 Oxygen Transfiller Device with O-Ring Fittings, Gauge and Bleed Valve ..

$599.00

MH-00GSE-1106-04

MH-00GSE-1106-04

TR-95c DIN-477 to DIN-477 Oxygen Transfiller Device with O-Ring Fittings, Gauge  and Bleed Valv..

$660.00

MH-00GSE-1108-xx

MH-00GSE-1108-xx

TR-105c CGA-540 to CGA-540 Oxygen Transfiller Device with O-Ring Fittings, 2 Gauges and Bleed Valve ..

$589.00

MH-00GSE-1109-04

MH-00GSE-1109-04

TR-105c DIN-477 to CGA-540 Oxygen Transfiller Device with O-Ring Fittings, 2 Gauges and Bleed Valve ..

$599.00

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