Page 1
ORION -2C Pneumatic Pressure Controller
Part #55283, Patent No. 4.698.998
SPECIAL FEATURES:
• Orion-2C is a variable volume pressure controller with on operating pressure from vacuum
to 3000 psi. It consists of two low torque, fine micro-metering valves with positive shutoff, adjustable stop and soft seat. The pressure valve controls the inlet pressure and the
other valve vents to atmosphere.
• The vernier is located at the center of the controller and allows the operator a very fine
pressure adjustment (approx. ±5% point max.) without using the pressure or vent valve.
• Selecting the appropriate O-ring material may extend the wide range of gas applications.
• There is one inlet, one outlet, and two test ports. One test port may be used to connect a
pressure transducer or pressure gage standard; the other test port may be used to
connect the unit under test.
OPERATION:
The pressure valve will begin to open when it is turned counter clockwise, approximately
15 degrees. Full open position of the valves is achieved with a maximum of 3 1/2 turns
from the closed position. Use the pressure/vent valves to achieve ±95% of the target
pressure. The pressure and vent valves must be closed before operating the vernier. The
vernier is a piston and cylinder configuration, which generates ±5% pressure, or vacuum
of the indicated pressure. The vernier has a fine adjustment sensitivity of .0005 psi. Very
low torque is required to turn the vernier... FINGERTIP ADJUSTMENT EVEN AT
3000 psi!!!!!
SPECIFICATIONS:
• Pressure Range: 0-3000 psi and vacuum
• Proof Pressure: 3500 psi
Pneumatic Pressure Controller
• Pressure & Vent Valve Orifice: 0.032
• CV: 0.007
• Mechanical Rotation: 3 1/2 turns (nom.)
• Vernier Volume: 1/2 cubic inch (nom.)
• Mechanical Rotation: 16 turns (nom.)
• Adjustable sensitivity: 0.0005 psi
• Torque: Fingertip adjust (even at 3000 psi)
• Construction: Aluminum body clear anodize aluminum knobs, black anodize all other parts 300 series
stainless O-rings Buna-N standard, others available. (All stainless steel construction available for use with
corrosive gases and/or high pressure up to 10,000 psi. Refer to model: Orion 3A pressure controller.)
• Weight: 3.0 Lbs.
• O-ring repair kits: Buna-N (standard) (part #58499); Ethylene-Propylene (part #58506);
Silicone (part #58509); Neoprene (part #58515); Fluorocarbon “Viton” (part #55277).
Note: Various O-ring materials may be installed in Orion-2C by special order.
Orion -2C
Toll Free: 888-295-8475 • International: 715-234-9171 • FAX: 715-234-6967
WEB SITE: www.4condec.com
© CONDEC 2001 • All rights reserved • Printed in the United States of America • Specifications subject to change without notice
March 2001
63246
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ORION-2C Pneumatic Pressure Controller
Part #55283, Patent No. 4.698.998
INSTALLATION:
Panel or bracket mounting:
1. Turn the two outside knobs clockwise.
2. Remove all (three) knobs.
5.80
3. Install controller into recommended
hole pattern with two
10-32 x 1/2" lg. screws.
4. Install knobs, align set
screws with both
dimples on knob inserts
and shaft.
PRESSURE
VALVE
2.70
TEST PORT#1
MS33649-02
MATING FITTING, PN 59716 THREAD
(2) PLACES
1.350
FITTING LOCATION
INLET PORT
MS33649-02 THREAD
MATING FITTING, PN 59716
#10-32 UNF-2B
(2) PLACES
Ø .213
(2) PLACES
1.450
RECECOMMENDED HOLE PATTERN FOR ORION 2
TEST PORT#2
MS33649-04 THREAD
1.450
FITTING LOCATION
VENT PORT
MS33649-02 THREAD
MATING FITTING, PN 59716
1.82
KNOB
SETSCREW #6-32
1.53
2.900
VENT VALVE
RETAINER PLATE ASSY,
PN 56424
REMOVE AT TIME OF
PANEL MOUNTING
VERNIER
KNOB INSERT
1.75
Mod el No. Or io n 2 C
Seri al No.
Pressure: 0-3000 psi
Proof Pressu re:3500 psi
Patent No. 4.698.998
2.80
6.90
© CONDEC 2001 • All rights reserved • Printed in the United States of America • Specifications subject to change without notice
March 2001
STOP WASHER
LOCK NUT
63246
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ORION-2C Pneumatic Pressure Controller
Bill of Material
Ref # Part # Description Qty.
1 ...... 57482 ............ Nut, Valve Needle Housing 9/16-18, width across flats: 0.75, thickness: 0.12.... 2
2 ...... 54401 ............ Locknut.............................................................................................................. 2
3 ...... 58079 ............ Knob.................................................................................................................. 2
4 ...... 57889 ............ Knob, Insert ....................................................................................................... 2
5 ...... 57256 ............ Gear, Spur 40 Teeth ........................................................................................... 2
6 ...... 59233 ............ Gear, Spur 18-tooth ........................................................................................... 2
7 ...... 55896 ............ Valve Seat.......................................................................................................... 4
8 ...... 59387 ............ Valve Seat, Stem................................................................................................ 4
9 ...... 59045 ............ Valve, Needle Seat............................................................................................. 4
10 .... 54540 ............ Housing, Valve Needle ....................................................................................... 2
11 .... 59551 ............ Valve Needle ...................................................................................................... 2
12 .... 57906 ............ Bushing, End ..................................................................................................... 1
13 .... 59378 ............ Cap, End ........................................................................................................... 1
14 .... 59495 ............ Shaft .................................................................................................................. 1
15 .... 59241 ............ Piston ................................................................................................................ 1
16 .... 55714 ............ Body, Dual Valve ................................................................................................ 1
17 .... 57580 ............ Knob.................................................................................................................. 1
18 .... 55533 ............ Valve Needle ...................................................................................................... 2
19 .... 55159 ............ Housing, Valve Needle ....................................................................................... 2
20 .... 56784 ............ Locknut, 9/16-18UNF-3A, SST.......................................................................... 1
21 .... 59845 ............ Plug, Expansion, 0.1562 + 0.0000/-0.0012 hole diameter ............................... 14
23 .... 59383 ............ Setscrew, 6-32NC x 1/8 SST ............................................................................. 4
24 .... 58342 ............ Screw, Cap Hex Socket Head, #2-56UNC-3A purchase per mil spec 16995-2.. 6
25 .... 59322 ............ Setscrew, 6-32NC x 1/4 SST ............................................................................. 6
26 .... 59326 ............ Setscrew, 2-56NC x 1/8, alloy steel ................................................................... 4
27 .... 55554 ............ O-ring, AS568A dash no. 010, Buna-N (Nitrile) 70 durometer color black........... 5
28 .... 55536 ............ O-ring, AS568A dash no. 002, Buna-N (Nitrile) 70 durometer color black........... 4
29 .... 55573 ............
30 .... 60633 ............ Retainer, Packing Backup, single turn tetrafluoroethylene................................... 4
31 .... 55570 ............ Washer, Backing 0.04 thick, tetrafluoroethylene resin ......................................... 4
32 .... 55577 ............ O-ring, AS568A dash No 111, Buna-N (Nitrile) 70 durometer color black ........... 1
33 .... 59245 ............ Washer, #8 Screw Size 0.187, ID x .440 OD x .040 thick nylon .......................... 2
34 .... 60202 ............ Setscrew, hex .................................................................................................... 2
35 .... 60837 ............
36 .... 58976 ............ Screw, Self Sealing, 8-32 x 5/8 modified to print ................................................ 1
38 .... 53308 ............ Label Roll, 1.25 x 1.25, polytrans 3000 void, 3" Core, 8" OD ............................. 1
41 .... 59878 ............ Spacer, 0.005 thick mylar................................................................................... 2
42 .... 59880 ............ Spacer, 0.007 thick mylar................................................................................... 2
Shaft O-ring, AS568A Dash No 117, Buna-N (Nitrile) 70 durometer color black ......
Screw, MACH Pan Head #10- 32NF x 1/2 phillips head 300 series stainless steel ..
1
2
© CONDEC 2001 • All rights reserved • Printed in the United States of America • Specifications subject to change without notice
March 2001
63246
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15
32
20
12
42
41
14
OR
42
41
29
13
27
17
25/2X
25/2X
23/2X
3
4
24/3X
33
34
2
1
10
11
8
30
27
31
28
9
7
31
28
9
7
8
30
27
19
6
18
26/2X
38
21/14X
16
36
35/2X
C
D
1
LIGHTLY COAT THE FOLLOWNG WITH
FLUORINATED KRYTOX GREASE PN 55593:
O-RINGS ITEMS 27, 28, 29, & 32. THREADS
ON VALVE NEEDLES ITEMS 11 & 18.
ITEMS 41 & 42 QUANTITY AND USAGE TO
BE SELECTED DEPENDENT ON FIT, SEE
VEARNIER REASSEMBLY IN MANUAL
FOR REFERENCE ONLY:
O-RING, ITEM 27, .239 ID
O-RING, ITEM 28, .042 ID
O-RING, ITEM 29, .799 ID
O-RING, ITEM 32. .424 ID
RICE LAKE WEIGHING SYSTEMS CLAIMS PROPRIEITORY RIGHTS TO
THE MATERIAL DISCLOSED HEREON. THIS DRAWING AND/OR
TECHNICAL INFORMAT10N IS ISSUED IN CONFIDENCE FOR
INFORMATIONAL PURPOSES ONLY AND MAY NOT BE USED TO
MANUFACTURE ANYTHING SHOWN OR REFERFED TO HEREON
WITHOUT DIRECT WRITTEN PERMISSION FROM RICE LAKE WEIGHING
SYSTEMS, CONDEC PRESSURE PRODUCTS MANAGER
THESE COMPONENTS TO BE
INSTALLED AT LOCATIONS B & C
THESE COMPONENTS TO BE
INSTALLED AT LOCATIONS A & D
5
3
1
3
2
1
2
OR
1
3
1
3
1
3
A
B
1
3
1
3
1
1
2
3
© CONDEC 2001 • All rights reserved • Printed in the United States of America • Specifications subject to change without notice
March 2001
63246
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