Ross Controls CLEAN AIR PACKAGE User Manual
Modular clean air package

www.rosscontrols.com
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The general purpose filter in this assembly removes gross contaminants,
while the coalescing filter removes oil mists, aerosols, and minute particles.
Finally, the adsorbing filter effectively eliminates odors from Freons, alcohols,
esters, ketones, and up to 99% of most hydrocarbons.
FEATURES:
• General purpose filter with 5-micron rated polyethylene filter element
• Coalescing filter with 0.3-micron rated coalescing element; optional
0.01-micron element
• Adsorbing filter with activated carbon element
• Modular or inline mounting
• Polycarbonate plastic bowls with steel shatterguards; optional metal bowls
• Gold cap color; optional gray, yellow, red or blue
• Optional extended metal bowls for coalescing and adsorbing filters with
higher flow filter element
• Internal automatic drains for general purpose and coalescing filters;
internal float drain; manual drain for adsorbing filter
• Differential pressure gauge on coalescing filter indicates when element
needs changing
Ports: 3/8, 1/2, 3/4
MD4
TM
Modular Clean Air Package
STANDARD SPECIFICATIONS (for products on this page):
Ambient/Media Temperature:
Polycarbonate plastic bowl: 40° to 125°F (4° to 52°C).
Metal bowls: 40° to 175°F (4° to 79°C).
Bowls: 9-ounce (270-ml) capacity polycarbonate plastic bowls with
steel shatterguards.
Optional aluminum bowls; clear nylon sight glasses on general
purpose and coalescing units.
Optional 15-ounce (450-ml) extended aluminum bowls with higher
flow elements for coalescing and adsorbing filters.
Cap Color: Gold; optional gray, yellow, red, blue.
Filter Drains: Internal automatic drains for general purpose and
coalescing filters; manual drain for adsorbing filter.
For optional internal float drain on polycarbonate plastic bowl only,
consult ROSS.
Differential Pressure Gauge: Small Slide Gauge, Large Dual Face
Gauge and Large Dual Face Gauges with Reed Switch.
Filter Elements: General Purpose: 5-micron rated polyethylene.
Coalescing: 0.3-micron rated borosilicate glass-fiber; optional
0.01-micron rated element.
Adsorbing: Activated carbon with urethane seals.
Fluid Media: Compressed air.
Inlet Pressure:
For automatic drain model:
With polycarbonate plastic bowl: 15 to150 psig (1.0 to 10.3 bar).
With metal bowl: 15 to 200 psig (1.0 to 13.8 bar).
For internal float drain model:
With polycarbonate plastic bowl: 30 to 150 psig (2.1 to 10.3 bar).
With metal bowl: 30 to 200 psig (2.1 to 13.8 bar).
For manual drain model:
With polycarbonate plastic bowl: 0 to 150 psig (0 to 10.3 bar).
With metal bowl: 0 to 200 psig (0 to 13.8 bar).
Threads: NPT standard, BSPP, SAE.
ISO Symbol
Clean Air Package
1
2
A
C
B
A
C
B
Standard Polycarbonate
Plastic Bowls
Extended Metal Bowls
DIMENSIONS inches (mm)
Weight
Bowl
A
B †
C
Depth
lb (kg)
Standard 10.9 (276) 7.7 (195) 2.2 (55) 2.9 (73) 6.63 (3.01)
Extended 10.9 (276) 11.2 (284) 2.2 (55) 2.9 (73) 7.00 (3.18)
† Bowl removal clearance: add 3.4 (86) for 9-ounce bowl;
6.1 (155) for extended bowl.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.