Ross Controls OIL VAPOR REMOVAL (ADSORBING) FILTERS MD4 SERIES User Manual
Modular oil vapor removal (adsorbing) filters, Flow to 165 scfm, How to order

26
© 2012,
ROSS CONTROLS.
All Rights Reserved.
The adsorbing filter is designed to remove vapors from the air line that cannot
be removed by a coalescing filter. It produces air free of oil and hydrocarbons as
required by industries such as food processing, electronics, and instrumentation.
An adsorbing filter preceded by a coalescing filter and a general purpose filter
is recognized as a Clean Air Package as shown on page 27-28.
FEATURES:
• Modular or inline mounting
• Filter cartridge contains activated carbon
• Polycarbonate plastic bowl with steel shatterguard; optional aluminum
bowl, optional extended aluminum bowl with higher flow filter element
• Manual drain
Ports: 3/8, 1/2, 3/4
Flow to 165 scfm
STANDARD SPECIFICATIONS (for products on this page):
Ambient/Media Temperature:
Polycarbonate plastic bowl: 40° to 125°F (4° to 52°C).
Metal bowl: 40° to 175°F (4° to 79°C).
Body: Zinc.
Bowl: 9-ounce (270-ml) capacity polycarbonate plastic with steel
shatterguard; optional aluminum bowl.
Optional 15-ounce (450-ml) extended aluminum bowl includes a
higher capacity adsorbing cartridge.
Bowl Drain: Manual.
Bowl Ring: Nylon.
Cap Color: Gold standard; optional gray, yellow, red, blue.
Filter Cartridge: Activated carbon with urethane seals.
Fluid Media: Compressed air.
Inlet Pressure: Manual drain:
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).
Seals: Nitrile.
Threads: NPT standard, BSPP, SAE.
A
C
B
A
C
B
Extended
Metal Bowl
Standard
Plastic Bowl
Bowl
DIMENSIONS inches (mm)
Weight
Type A B
† C Depth
lb (kg)
Polycarbonate
3.5 (88)
7.7 (195)
1.1 (28)
2.9 (73)
2.13 (0.97)
9-ounce Metal
3.5 (88)
7.6 (193)
1.1 (28)
3.1 (79)
2.13 (0.97)
Extended Metal 3.5 (88) 11.2 (284) 1.1 (28)
3.1 (79)
2.31 (1.05)
† Bowl removal clearance: add 3.1 (79) for 9-ounce bowl; 6.1 (155)
for extended bowl.
REPLACEMENT FILTER ELEMENT KITS
Bowl Type
Element Type
Kit Number
Standard
Standard
R-A115-117E9
Extended
Extended standard R-A115-118E9
0 15
0
1
2
3
4
psi
5
PRESSURE DROP
0
0.07
0.14
0.21
0.28
bar
0.35
scfm
FLOW
l/s 0
30
15
30
45
60
75
1
2
3
4
psi
5
PRESSURE DROP
0.07
0.14
0.21
0.28
bar
0.35
150(10.3)
92(6.3)
36(2.5)
Inlet Pressure psig (bar)
0
0
1
2
3
4
psi
5
0
0.07
0.14
0.21
0.28
bar
0.35
scfm
l/s 0
0
1
2
3
4
psi
5
PRESSURE DROP
0
0.07
0.14
0.21
0.28
bar
0.35
0
1
2
3
4
psi
5
0
0.07
0.14
0.21
0.28
bar
0.35
0
0
3/8 Ports
1/2 Ports
3/4 Ports
45 60 75 90 105 120 135150 165 180 195
90
H
H
H
H
H
H
H designates models with extended bowls.
FLOW CHARTS
MD4
TM
Modular Oil Vapor Removal (Adsorbing) Filters
Manual Drain
ISO Symbol
Filter
HOW TO ORDER
COLOR
G - Gray
Y - Yellow
R - Red
B - Blue
2 - Gold (standard)
PIPE SIZE
3 - 3/8 NPTF
4 - 1/2 NPTF
5 - 3/4 NPTF
C - 3/8 BSPP
D - 1/2 BSPP
E - 3/4 BSPP
F - 3/4-16 SAE
G - 7/8-14 SAE
MD4 50P B
5
2
BOWL SIZE
50P - 9 oz Polycarbonate Bowls
50E - 15 oz Metal Bowls
50M - 9 oz Metal Bowls
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.