Instruction Manual

4 © 2012, ROSS CONTROLS
®
. All Rights Reserved.
Compact, durable and versatile ROSS right-angle flow control valve screws directly into cylinder port. Inlet port can then be
swiveled 360
o
for optimum placement. Versatile model lineup allows controlled flow to be set either by a screwdriver slot or by a
knurled knob. Inlet ports are available in either threaded or with push-on fittings.
Controlled Flow Rate
Turns of Adjustment Knob
TYPICAL PERFORMANCE CURVE
No. of Turns from 0
to Maximum Flow
1/8
1/4, 1/2
3/8
. . . . 9
. . . . 8
. . . 10
0
Full
O-ring seals on adjusting stem provide
friction to keep stem in its set position.
Accessible wrench flats simplify
installation.
Anodized aluminum body.
O-ring seals provide leak-free sealing
for the valve body.
Threads precoated with pipe sealant.
Models available with flow adjustment by screw-driver
slot or knurled knob (dotted line). Turn clockwise to
reduce controlled flow.
Compact design, threads directly
into cylinder ports.
Nickel-plated brass stem construction.
Inlet is a swivel port that can be rotated
360
o
for optimum port placement.
Models available with 1/8, 1/4, 3/8,
or 1/2 NPT or G threads.
Models available with
1/4 or 3/8 tube fittings.
Removable tubing release ring.
Right Angle Flow Control Valves
C
B
A
A
C
B
A
B
12
Port Type of Valve Model Number Avg. C
V
Dimensions inches (mm) Weight
Size Adjustment Threaded Inlet Tube Fitting (Fully open) A B C lb (kg)
1/8 Slot (B) 1968A1008* 1968A1108** 0.3 1.1 (27) 1.3 (32) 0.6 (15) 0.06 (0.03)
1/8 Knob (A) 1968A1018* 1968A1118** 0.3 1.1 (27) 1.9 (48) 0.6 (15) 0.08 (0.04)
1/4 Slot (B) 1968A2008* 1968A2108 0.6 1.3 (33) 1.6 (41) 0.8 (19) 0.12 (0.05)
1/4 Knob (A) 1968A2018* 1968A2118 0.6 1.3 (33) 2.3 (59) 0.8 (19) 0.14 (0.06)
3/8 Slot (B) 1968A3008* --- 1.9 1.6 (44) 1.9 (47) 0.9 (23) 0.20 (0.09)
1/2 Slot (B) 1968A4008 --- 2.8 1.8 (46) 2.3 (58) 1.1 (28) 0.34 (0.15)
** These models have 1/8 threaded inlet, but with 1/4 tube fittings.
Right angle flow control valves function like all other flow control valves. However,
their compact right angle design permits use where conventional straight-through
flow controls might be undesirable.
Flow adjustment is achieved by means of either a screwdriver slot or a knurled knob.
Models listed in the table bellow have threaded female inlet ports. Models in the
1/8, 1/4, and 3/8 sizes are also available with push-to-connect tubing fittings.
STANDARD SPECIFICATIONS: For valves on this page.
Ambient/Media Temperature: 40° to 175°F (4° to 80°C).
Flow Media: Filtered air; 5 micron recommended.
Inlet Pressure: 5 to 150 psig (0.3 to 10 bar).
Port Threads: NPT standard, BSPP. For BSPP threads add a “D”
prefix to the model number, e.g. D1968A1008.
Series 19 Flow Control Valves
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.