Japan, Ross Asia
Ross Asia MD3 & MD4 Bracket kit

Made in Japan
Manufacturer : Ross Asia
Model : MD3 & MD4
Mounting Brackets for Regulators and Integrated Filter/Regulators
Regulators and integrated filter/regulators can be mounted to a surface with a bracket that attaches to the regulator. Brackets and mounting panel nuts can be ordered separately or in a kit which includes both bracket and mounting panel nut.
| Usage Models | Model Number | Dimensions inches (mm) | |||||||
| Kit | Bracket | Panel Nut | A | B | C | D | E | Panel Mounting Hole Diameter | |
MD3TM | RA12711 | – | R-12711 | 2.38 (60) | 1.00 (25) | 1.50 (38) | – | – | 2.06(52) |
MD4 TM | 879K77 | 878K77 | 880K77 | ||||||

Modular Assemblies Accessories: Clamp, Brackets, End Ports & Port Blocks
Dimensions:inches (mm) | ||
MD3TM Series | ![]() | ![]() |
| MD4TM Series | ![]() | ![]() |
Mounting Brackets & Clamp for Module Connections
Two brackets are normally used to mount an FRL to a vertical surface. The mounting bracket attaches to the module connecting clamp (see above) with a single screw. Each bracket then employs two bolts (1/4” or 6mm) to connect the assembly to the mounting surface.
Specially designed clamps provide a quick and easy assembly or disassembly of MD3TM modules. Two Allen-Head bolts quickly tighten or loosen the clamp using a 5/32 or 4mm hex key. The clamp contains a plate carrying two O-rings to provide positive sealing between modules.


Male and Female End Ports
Either male or female end ports can be attached to threaded inlet and outlet lines. This allows all modules of an FRL
assembly to be removed easily and quickly without having to unthread the end modules. The end ports are attached to the modules with clamps (see at left). End ports can be included in an assembled FRL or ordered separately by the following model numbers:

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