MD3
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MD3TM Series Modular Filter Regulator Lubricator • Manufacturers of Premium Pneumatic Controls since 1921 •

If you need products or specifications not shown within this bulletin, please contact ROSS® for more information or visit ROSS’ website at www.rosscontrols.com. For additional information consult your ROSS distributor or call ROSS Technical Services in the U.S.A. at 1-888-TEK-ROSS (835-7677). Modular Filters • 5, 20, or 40 micron filter elements • 98% free water removal efficiency Modular Coalescing Filters • 0.3 or 0.01 micron filter elements • 99.98% particulate material removal of free oils and solid contaminants 0.3 microns and larger Modular Oil Vapor Removal (Adsorbing) Filters •...

Modular Filters MD3TM Series Port Sizes: 1/4, 3/8, 1/2 – Flow to 92 scfm HOW TO ORDER (Select options (in red) to configure your model number.) BOWL SIZE 50P - Plastic Bowl 5.1-oz (151-ml) 50M - Metal Bowl 6-oz (177-ml) GAUGE A - No Gauge (without gauge port) S - Small differential gauge PIPE SIZE 2 - 1/4 NPTF 3 - 3/8 NPTF 4 - 1/2 NPTF B - 1/4 BSPP C - 3/8 BSPP D - 1/2 BSPP FILTER ELEMENT TYPE A - 40 µm sintered bronze B - 5 µm polyethylene E - 5 µm sintered bronze F - 20 µm sintered bronze CAP COLOR 2 - Gold G - Gray Y - Yellow R - Red B - Blue BOWL DRAIN M - Manual Drain F - Float Drain E...

Modular Coalescing Filters MD3TM Series Port Sizes: 1/4, 3/8, 1/2 – Flow to 125 scfm HOW TO ORDER (Select options (in red) to configure your model number.) BOWL SIZE 50P - Plastic Bowl 5.1-oz (151-ml) 50M - Metal Bowl 6-oz (177-ml) 50E - Extended Metal Bowl 10-oz (295-ml) GAUGE A - No Gauge (without gauge port) S - Small differential gauge PIPE SIZE 2 - 1/4 NPTF 3 - 3/8 NPTF 4 - 1/2 NPTF B - 1/4 BSPP C - 3/8 BSPP D - 1/2 BSPP FILTER ELEMENT TYPE C - 0.3 µm Borosilicate glass D - 0.01 µm Borosilicate glass CAP COLOR 2 - Gold G - Gray Y - Yellow R - Red B - Blue BOWL DRAIN M - Manual Drain F...

Modular Oil Vapor Removal (Adsorbing) Filters MD3TM Series Port Sizes: 1/4, 3/8, 1/2 – Flow to 125 scfm HOW TO ORDER (Select options (in red) to configure your model number.) BOWL SIZE 50P - Plastic Bowl 5.1-oz (151-ml) 50M - Metal Bowl 6-oz (177-ml) 50E - Extended Metal Bowl 10-oz (295-ml) CAP COLOR 2 - Gold G - Gray Y - Yellow R - Red B - Blue PIPE SIZE 2 - 1/4 NPTF 3 - 3/8 NPTF 4 - 1/2 NPTF B - 1/4 BSPP C - 3/8 BSPP D - 1/2 BSPP ISO Filter Symbols Manual Drain Dimensions inches (mm) Weight lb (kg) A B* C Depth 3.0 (76.2) 5.54 (140.6) 1.12 (28.3) 2.51 (63.8) 1.29(0.59) REPLACEMENT FILTER...

Modular Clean Air Package MD3TM Series Port Sizes: 1/4, 3/8, 1/2 – Flow to 125 scfm HOW TO ORDER (Select options (in red) to configure your model number.) 4 Y A 1 ADD on L-O-X® - Optional 1 - L-O-X® on outlet side 2 - L-O-X® on the inlet side 3 - EEZ-ON® on outlet side 4 - EEZ-ON® on inlet side Blank - No L-O-X® BOWL SIZE 1 - Plastic Bowl 5.1-oz (151-ml) 2 - Metal Bowl 6-oz (177-ml) 3 - Extended Metal Bowl 10-oz (295-ml) COALESCING FILTER ELEMENT TYPE A - 0.3 µm Borosilicate glass B - 0.01 µm Borosilicate glass BOWL DRAIN 1 - Manual Drain F - Float Drain (plastic with plastic bowl and rass...

Modular Regulators MD3TM Series Port Sizes: 1/4, 3/8, 1/2 – Flow to 120 scfm HOW TO ORDER (Select options (in red) to configure your model number.) MD3 52K A R C 4 ADJUSTMENT TYPE 52K - Knob 52T - Tee Handle 52L - Locking Knob PIPE SIZE 2 - 1/4 NPTF 3 - 3/8 NPTF 4 - 1/2 NPTF B - 1/4 BSPP C - 3/8 BSPP D - 1/2 BSPP ADJUSTMENT RANGE A - 0-200 psig (0-13.8 bar) B - 0-150 psig (0-10.3 bar) C - 0-100 psig (0-6.9 bar) D - 0-50 psig (0-3.4 bar) GAUGE A - No Gauge B - With Gauge 0-200 psig (0-13.8 bar) C - With Gauge 0-60 psig (0-4.1 bar) D - No Gauge, With Panel Mount Nut E - With Panel Mount Nut &...

Modular Integral Filter/Regulators MD3TM Series Port Sizes: 1/4, 3/8, 1/2 – Flow to 110 scfm HOW TO ORDER (Select options (in red) to configure your model number.) BOWL SIZE 53P - Plastic Bowl 5.1-oz (151-ml) 53M - Metal Bowl 6-oz (177-ml) PIPE SIZE 2 - 1/4 NPTF 3 - 3/8 NPTF 4 - 1/2 NPTF B - 1/4 BSPP C - 3/8 BSPP D - 1/2 BSPP FILTER ELEMENT TYPE A - 40 µm bronze B - 5 µm polyethylene E - 5 µm bronze F - 20 µm bronze BOWL DRAIN M - Manual Drain F - loat Drain F E - Electronic Drain H - Automatic External Drain L - Less Drain Fitting (1/4 NPT female instead) ADJUSTMENT RANGE A - 0-200 psig...

Modular Lubricators MD3TM Series Port Sizes: 1/4, 3/8, 1/2 – Flow to 150 scfm HOW TO ORDER (Select options (in red) to configure your model number.) BOWL SIZE 51P - Plastic Bowl 5.1-oz (151-ml) 51M - Metal Bowl 6-oz (177-ml) 51E - Extended Metal Bowl 10-oz (295-ml) CAP COLOR 2 - Gold G - Gray Y - Yellow R - Red B - Blue PIPE SIZE 2 - 1/4 NPTF 3 - 3/8 NPTF 4 - 1/2 NPTF B - 1/4 BSPP C - 3/8 BSPP D - 1/2 BSPP LUBRICATOR FILL TYPE Q - Quick Fill Cap S - Fill Port Extended Metal * Bowl removal clearance: add 3.1 (79). Extended Bowl removal clearance: add 6.1 (155). Standard Plastic Bowl Extended...

Modular Integral Filter/Regulator Plus Lubricator MD3TM Series Port Sizes: 1/4, 3/8, 1/2 – Flow to 110 scfm HOW TO ORDER (Select options (in red) to configure your model number.) PIPE SIZE 2 - 1/4 NPTF 3 - 3/8 NPTF 4 - 1/2 NPTF B - 1/4 BSPP C - 3/8 BSPP D - 1/2 BSPP ADD on L-O-X® - Optional 1 - L-O-X® on outlet side 2 - L-O-X® on the inlet side (must also choose Reverse Flow) 3 - EEZ-ON® on outlet side 4 - EEZ-ON® on inlet side (must also choose Reverse Flow) Blank - No L-O-X® CAP COLOR 2 - Gold G - Gray Y - Yellow R - Red B - Blue ADJUSTMENT RANGE A - 0-200 psig (0-13.8 bar) B - 0-150 psig...

Modular Filter-Regulator-Lubricators MD3TM Series Port Sizes: 1/4, 3/8, 1/2 – Flow to 110 scfm HOW TO ORDER (Select options (in red) to configure your model number.) PIPE SIZE 2 - 1/4 NPTF 3 - 3/8 NPTF 4 - 1/2 NPTF B - 1/4 BSPP C - 3/8 BSPP D - 1/2 BSPP CAP COLOR 2 - Gold G - Gray Y - Yellow R - Red B - Blue ADJUSTMENT RANGE A - 0-200 psig (0-13.8 bar) B - 0-150 psig (0-10 bar) C - 0-100 psig (0-6.9 bar) D - 0-50 psig (0-3.4 bar) F - Reverse Flow 0-200 psig (0-13.8 bar) G - Reverse Flow 0-150 psig (0-10.3 bar) H - Reverse Flow 0-100 psig (0-6.9 bar) J - Reverse Flow 0-50 psig (0-3.4 bar)...