User Manual

60 © 2012, ROSS CONTROLS. All Rights Reserved.
MD4
TM
Modular Lubricators
Ports: 3/8, 1/2, 3/4
Flow to 205 scfm
FEATURES:
• Modular or inline mounting
• Sight-feed design; transparent dome shows how much oil is being dispensed
• External adjusting knob, removable for tamper resistance
• Polycarbonate plastic bowl with steel shatterguard; optional aluminum bowl
with sight glass
• Extended metal bowl – optional
• All working parts can be replaced with a single service cartridge
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 (266.2-ml) capacity polycarbonate plastic with steel
shatterguard; optional aluminum bowl with clear nylon sight glass.
Optional 15-ounce (443.6-ml) extended aluminum bowl with two
clear nylon sight glass.
Bowl Ring: Nylon.
Cap Color: Gold standard; optional gray, yellow, red, blue.
Fluid Media: Compressed air.
Inlet Pressure:
Polycarbonate plastic bowl: 150 psig (10.3 bar).
Metal bowl: 200 psig (13.8 bar).
Oil Adjustment: External; tamper resistant.
Seals: Nitrile.
Sight-Feed Dome: Nylon.
Threads: NPT standard, BSPP, SAE.
020
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 10
40 60 80 100 120 140 160 180 200 220
20 30 40 50 60 70 80 90 100
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)
020
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 10
40 60 80 100 120 140 160 180 200 220
20 30 40 50 60 70 80 90 100
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
PRESSURE DROP
0
0.07
0.14
0.21
0.28
bar
0.35
00
3/8 Ports
1/2 Ports
3/4 Ports
FLOW CHARTS
A
C
B
A
C
B
Standard
Plastic Bowl
Extended
Metal Bowl
01
0
DROPS PER MINUTE
0 0.5
0
0
0
2 34567891
011
1 1.5 2 2.533.5 4 4.5 5
Standard
Bowl
Extended
Bowl
Maximum Oil Feed Rates at Minimum Flow
Adjusting Needle Fully Open
2
4
6
8
12
14
16
10
Theoretical
Concentration Line
scfm
FLOW
l/s
DIMENSIONS inches (mm) Weight
Bowl A B † C Depth lb (kg)
9-ounce Plastic 3.5 (88) 7.1 (179) 2.2 (56) 2.9 (73) 2.0 (0.91)
9-ounce Metal 3.5 (88) 7.4 (188) 2.2 (56) 3.1 (79) 2.0 (0.91)
Extended Metal 3.5 (88) 10.6 (269) 2.2 (56) 3.1 (79) 2.2 (1.00)
† Bowl remo val clearance: add 3.1 (79) for 9-ounce bowl; 6.1 (155) for e xtended bowl.
BOWL SIZE
51P - 9 oz Polycarbonate Bowl
51M - 9 oz Metal Bowl
51E - 15 oz Metal Bowl
CAP TYPE
Q - Quick Fill Cap
S - Standard Cap, standard
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 51P S B 5 2
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
ISO Symbol
Lubricator