Dixon Sanitary

™

RP-BA Actuators

________________________TABLE OF CONTENTS___________________ Page

SAFETY………………………………………………………………………………………. 2

WARRANTY…………………………………………………………………………………. 3

FEATURES AND SPECIFICATIONS…………………………………………………..…. 4

DESIGN AND CONSTRUCTION…………….. ……………………………………….… 5-6

REPAIR KITS………………………………………………….………………………….….. 7

DIMENSIONS………………………….……………………………………………………... 8

TORQUE RATINGS……………………………………………….………………………... 9

OPERATION AND MAINTENANCE…..………………….…………………………...10-12

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SAFETY

Warnings, cautions and notes are contained in this manual. To avoid serious injury and/or possible damage to equipment, pay attention to these messages. WARNING Hazards or unsafe practices which COULD result in severe

personal injury or death and how to avoid it. CAUTION Hazards or unsafe practices which COULD result in minor

personal injury or product or property damage. NOTE Important information pertaining directly to the subject. (Information to be aware of when completing a task) Do Not modify any Bradford product. Non-factory modifications could create hazardous conditions and void all warranties. Do Not attempt to use a Bradford product in any application that exceeds the product rating.

Read and understand this manual prior to installing, operating or maintaining this valve.

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LIMITED WARRANTY Bradford, a Dixon Company, (herein called "Bradford") warrants the products described herein,

and manufactured by Bradford to be free from defects in material and workmanship for a period

of one (1) year from date of shipment by Bradford under normal use and service. It's sole

obligation under this warranty being limited to repairing or replacing, as hereinafter provided, at its

option any product found to Bradford's satisfaction to be defective upon examination by it,

provided that such product shall be returned for inspection to Bradford within three (3) months

after discovery of the defect. The repair or replacement of defective products will be made

without charge for parts or labor. This warranty shall not apply to: (a) parts or products not

manufactured exclusively for Bradford, the warranty of such items being limited to the actual

warranty extended to Bradford by its supplier; (b) any product that has been subject to abuse,

negligence, accident, or misapplication; (c) any product altered or repaired by others than

Bradford; and (d) to normal maintenance services and the replacement of service items (such as

gaskets and seats) made in connection with such services. To the extent permitted by State law,

this limited warranty shall extend only to the buyer and any other person reasonably expected to

use or consume the goods who is injured in person by any breach of the warranty. No action

may be brought against Bradford for an alleged breach of warranty unless such action is

instituted within one (1) year from the date the cause of action accrues. This limited warranty

shall be construed and enforced to the fullest extent allowable by applicable State law.

OTHER THAN THE OBLIGATION OF BRADFORD SET FORTH HEREIN, BRADFORD DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, AND ANY OTHER OBLIGATION OR LIABILITY. THE FOREGOING CONSTITUTES BRADFORD'S SOLE OBLIGATION WITH RESPECT TO DAMAGES, WHETHER DIRECT, INCIDENTAL OR CONSEQUENTIAL, RESULTING FROM THE USE OR PERFORMANCE OF THE PRODUCT.

Some products and sizes may be discontinued when stock is depleted, or may require a minimum quantity for ordering. NOTE: Reasonable care has been taken in preparing the Illustrated Price List. Bradford, a Dixon Company, reserves the right to make corrections and price changes.

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Pneumatic Actuator Features & Specifications

Pinion Electroless Nickle Plated Carbon Steel for maximum corrosion and wear resistance. Anti-blowout design.

Pistons Die-cast aluminum alloy fitted with Nylon bushing guides and Buna –N seals.

Solenoid Interface International NAMUR solenoid mounting interface is standard on all units.

Body Extruded hard anodized aluminum alloy for wear and corrosion resistance and reduced friction.

Indicator A high visibility polyethylene for Open / Close indication is standard on all models

Heavy Duty Springs High tensile steel springs with retainer and guide for safe and easy assembly.

End Caps Epoxy-coated die-cast aluminum alloy for maximum resistance to corrosive environments.

Specifications

Operating Pressure Range 40 – 120 PSIG Maximum Allowable Working Pressure 150 PSIG

Operating Media Dry or lubricated non-corrosive gas Operating Temperature Standard -40˚ F to +200˚ F

Piston and pinion lubrication Shell Darina R2 Range of rotation adjustment Between 80˚ and 100˚

Valve & Accessory Mounting Standard ISO 5211 bolt patterns Output shaft Female – Double Square

Design Twin Rack & Pinion Factory testing cycles 1 million

Rotation Adjustment A full ±5˚ of travel adjustment in the open and closed positions. Standard on all sizes.

DESIGN and CONSTRUCTION (DOUBLE ACTING)

ITEM NUMBER DESCRIPTION MATERIAL QUANTITY 1 BODY ANODIZED ALUMINUM ALLOY 1 2 PISTON DIE CAST ALUMINUM ALLOY 2 3 PISTON BEARING NYLON 4 4 O-RING BUNA-N 2 5 O-RING BUNA-N 2 6 END CAP (LEFT) DIE CAST ALUMINUM ALLOY 1 7 WASHER STAINLESS STEEL 8 8 CAP SCREW STAINLESS STEEL 8 9 O-RING BUNA-N 1

10 BEARING NYLON 1 11 STOP CAM CARBON STEEL 1 12 POSITION INDICATOR POLYETHYLENE 1 13 RETAINING RING STAINLESS STEEL 1 14 WASHER STAINLESS STEEL 1 15 BEARING NYLON 1 16 RETAINING RING STAINLESS STEEL 1 17 PINION CARBON STEEL 1 18 BEARING NYLON 1 19 O-RING BUNA-N 1 20 O-RING BUNA-N 2 21 WASHER STAINLESS STEEL 2 22 STOP SCREW STAINLESS STEEL 2 23 NUT STAINLESS STEEL 2 24 O-RING BUNA-N 2 25 END CAP (RIGHT) DIE CAST ALUMINUM ALLOY 1

DESIGN and CONSTRUCTION (SPRING RETURN)

Spring set combinations: SR2 = (1) B SR3 = (1) C SR4= (1) A & (1) C SR5 =(1)B & (1) C SR6 =(1) A, (1)B & (1) C

ITEM NUMBER DESCRIPTION MATERIAL QUANTITY 1 BODY ANODIZED ALUMINUM ALLOY 1 2 PISTON DIE CAST ALUMINUM ALLOY 2 3 PISTON BEARING NYLON 4 4 O-RING BUNA-N 2 5 O-RING BUNA-N 2 6 END CAP (LEFT) DIE CAST ALUMINUM ALLOY 1 7 WASHER STAINLESS STEEL 8 8 CAP SCREW STAINLESS STEEL 8 9 O-RING BUNA-N 1

10 BEARING NYLON 1 11 STOP CAM CARBON STEEL 1 12 POSITION INDICATOR POLYETHYLENE 1 13 RETAINING RING STAINLESS STEEL 1 14 WASHER STAINLESS STEEL 1 15 BEARING NYLON 1 16 RETAINING RING STAINLESS STEEL 1 17 PINION CARBON STEEL 1 18 BEARING NYLON 1 19 O-RING BUNA-N 1 20 O-RING BUNA-N 2 21 WASHER STAINLESS STEEL 2 22 STOP SCREW STAINLESS STEEL 2 23 NUT STAINLESS STEEL 2 24 O-RING BUNA-N 2 25 END CAP (RIGHT) DIE CAST ALUMINUM ALLOY 1 26 SCREW STAINLESS STEEL 2 27 WASHER STAINLESS STEEL 2 28 SPRING GUIDE STAINLESS STEEL 2 29 RETAINER STAINLESS STEEL 2 30 SPRING* HIGH TENSILE STEEL 4* 31 O-RING BUNA-N 2 32 WASHER STAINLESS STEEL 2 33 NUT STAINLESS STEEL 2

*Spring set #4 is standard. Different combinations are available on request.

REPAIR KITS

ITEM NUMBER DESCRIPTION MATERIAL MATERIAL (OPTION) QUANTITY 3 PISTON BEARING NYLON 4

4 O-RING BUNA-N VITON 2 5 O-RING BUNA-N VITON 2 9 O-RING BUNA-N VITON 1 10 BEARING NYLON 1 15 BEARING NYLON 1 18 BEARING NYLON 1 19 O-RING BUNA-N VITON 1 20 O-RING BUNA-N VITON 2 24 O-RING BUNA-N VITON 2 31 O-RING BUNA-N VITON 2

REPAIR KIT WITH BUNA-N REPAIR KIT WITH VITON RP-012-RK RP-012-RKV RP-025-RK RP-025-RKV RP-045-RK RP-045-RKV RP-101-RK RP-101-RKV RP-225-RK RP-225-RKV RP-365-RK RP-365-RKV RP-500-RK RP-500-RKV

DIMENSIONS

RP-BA-012-DA

ALL DIMENSIONS IN (mm)

Model # ISO

Pattern A B C D E F G H J K LRP-BA-

025 F04 & F05 144.3 194.6 79 57.7 81.4 47.8 32.5 12.6 M5xP0.8 29.7 14.5 RP-BA-

045 F05 & F07 149.2 205.6 98 67.4 95 51.5 32.5 13.8 M6xP1.0 30.2 18.8 RP-BA-

101 F05 & F07 183 250 121 79.2 119 64.5 46.2 16.6 M8xP1.25 33.5 23 RP-BA-

225 F07 & F10 259.6 355 141 89.5 140.5 75.5 54 18.6 M10xP1.5 39 29.5 RP-BA-

365 F10 & F12 304.3 422 176 99.1 185.2 105.5 79.7 27.3 M12xP1.75 97.4 35.5 RP-BA-

500 F10 & F12 364.4 487 196 116.5 204.8 107.8 79.4 28.3 M12xP1.75 99 35.5

Model # ISO

Pattern M N P Q R S T W RP-BA-

025 F04 & F05 11 17 M5xP0.8 8 M6xP1.0 10 50 42 RP-BA-

045 F05 & F07 14 21 M6xP1.0 10 M8xP1.25 12 70 50 RP-BA-

101 F05 & F07 17 25.5 M6xP1.0 10 M8xP1.25 12 70 50 RP-BA-

225 F07 & F10 22 31 M8xP1.25 12 M10xP1.5 15 102 70 RP-BA-

365 F10 & F12 27 35 M10xP1.5 15 M12xP1.75 19 125 102 RP-BA-

500 F10 & F12 27 35 M10xP1.5 15 M12xP1.75 19 125 102

MODEL NUMBER DOUBLE ACTING TORQUE OUTPUT(in/lb) AT OPERATING PRESSURE-PSIG

40 psig 60 psig 80 psig 100 psig 120psig RP-BA-012-DA 63 in/lb 94 in/lb 125 in/lb 156 in/lb 188 in/lb RP-BA-025-DA 125 in/lb 187 in/lb 250 in/lb 312 in/lb 375 in/lb RP-BA-045-DA 225 in/lb 337 in/lb 450 in/lb 562 in/lb 675 in/lb RP-BA-101-DA 500 in/lb 750 in/lb 1000 in/lb 1250 in/lb 1500 in/lb RP-BA-225-DA 1125 in/lb 1687 in/lb 2250 in/lb 2812 in/lb 3375 in/lb RP-BA-365-DA 1825 in/lb 2738 in/lb 3650 in/lb 4563 in/lb 5475 in/lb RP-BA-500-DA 2500 in/lb 3750 in/lb 5000 in/lb 6250 in/lb 7500 in/lb

T O R Q U E

R A T I N G S

SPRING RETURN TORQUE OUTPUT(in/lb) AT OPERATING PRESSURE-PSIG

MODEL NUMBER

RP-BA- SPRING

TORQUE 40 PSIG 60 PSIG 80 PSIG 100 PSIG 120 PSIG

SPR. SET ST. END ST. END ST. END ST. END ST. END ST. END

025-SR 2 69 45 76 47 138 109 201 172 263 234 326 312

3 104 67 113 70 176 133 229 195 301 258

4 140 90 88 31 151 93 213 156 276 218

5 175 112 126 54 189 116 251 179

6 209 135 164 77 227 139

045-SR 2 126 81 135 83 248 196 361 309 473 421 586 533

3 190 121 203 125 316 238 428 350 541 463

4 254 162 158 54 271 167 383 279 496 392

5 317 202 226 96 339 209 451 321

6 381 243 293 137 406 251

101-SR 2 279 179 300 184 549 433 798 682 1048 931 1297 1181

3 418 270 449 278 698 526 947 775 1196 1025

4 559 360 350 120 599 371 848 618 1097 867

5 698 450 500 212 749 464 998 710

6 839 540 650 304 899 557

225-SR 2 659 394 690 395 1253 958 1816 1521 2379 2084 2939 2647

3 990 590 1034 591 1596 1154 2159 1717 2722 2280

4 1320 787 816 226 1379 788 2029 1351 2505 1914

5 1650 984 1161 424 1724 984 2287 1549

6 1980 1181 1506 621 2069 1181

365-SR 2 1053 607 1152 659 2063 1570 2975 2482 3886 3393 4797 4305

3 1573 912 1726 996 2637 1907 3549 2819 4460 3730

4 2091 1217 1388 423 2300 1335 3211 2246 4123 3157

5 2625 1519 1967 744 2878 1655 3789 2566

6 3144 1824 2540 1082 3452 1994

500-SR 2 1560 785 1590 803 2780 1990 3970 3180 5160 4380 6350 5570

3 2340 1180 2380 1200 3570 2400 4760 3590 5960 4780

4 3130 1570 1980 414 3180 1600 4370 2800 5560 3990

5 3910 1960 2780 815 3970 2010 5160 3200

6 4690 2360 3570 1220 4760 2410

* - # 4 SPRING SET IS STANDARD

BI-DIRECTIONAL TRAVEL STOP INSTRUCTION

Bradford Actuators feature bi-directional pinion travel stops. Stops located on the side of the actuator allow a full ±5˚ of valve travel adjustment, giving a guaranteed range of adjustment between 80˚ and 100˚ of actuator travel. These travel stops are designed to absorb the maximum rated torque of the actuator and the maximum impact loading associated with recommended stroke speed. Operation Adjustment of the counterclockwise and clockwise rotation limits are accomplished by turning the respective left and right stop adjustment screws to increase or reduce the output rotation angle.

ACTUATOR OPERATION Double-Acting (Top View)

P1P2

P1P2

For a counter-clockwise output, apply pressure to P1. This forces the pistons to move away from the center resulting in the linear piston travel converted to counter-clockwise rotation of the pinion. The air volume outside each piston is exhausted at P2.

For a clockwise output, apply pressure to P2. This forces the pistons to move to the center resulting in the linear piston travel converted to clockwise rotation of the pinion. The air volume between the pistons is exhausted at P1.

Spring Return (Top View)

P2 P1 P1P2

NOTE: WThis will reclockwise r

For a clockwise output, the spring energy forces the pistons to move to the center resulting in the linear piston travel converted to clockwise rotation of the pinion. The air volume between the pistons is exhausted at P1, while the volume outside the pistons is vented at P2.

hen Reverse Rotation is required, the pistons can be inverted in thsult in a clockwise rotation when pressure is applied to P1 and a cotation when P1 is vented.

For a counter-clockwise output, apply pressure to P1. This forces the pistons to move away from the center, compressing the spring sets, and resulting in the linear piston travel converted to counter-clockwise rotation of the pinion. The air volume outside each piston is exhausted at P2.

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MAINTENANCE & OPERATING INSTRUCTIONS

BRADFORD ACTUATOR OPERATION NOTE: For optimal operation, BRADFORD actuators should be run with a supply of clean, lubricated air. SPRING RETURN ACTUATORS Air to PORT P1 (the right hand port) causes the actuator to turn CCW. Loss of air to PORT P2 causes air to exhaust and the actuator turns CW. This is the FAIL CLOSE operation. DOUBLE ACTING ACTUATORS Air to PORT P1 (the right hand port) causes the actuator to turn CCW. Air to PORT P2 (the left hand port) causes the actuator to turn CW. ADJUSTING OPEN AND CLOSED STOPS BRADFORD actuators allow for ± 10˚ adjustment in both the open and closed positions. The stop adjustment bolts are located above the air ports (22 & 23). The right hand bolt allows for adjustment in the closed position; the left hand bolt allows for adjustment in the open position. A clockwise turn of the left bolt results in clockwise movement of the pinion; a counterclockwise turn of the bolt results in counterclockwise movement of the pinion. Loosen nut #23 and adjust screw #22. Re-tighten nut after adjustment to secure position.

DISASSEMBLING STANDARD ACTUATORS IMPORTANT: Before beginning disassembly, ensure that the air supply to the actuator has been disconnected, all accessories have been removed and that the actuator has been dismounted from the valve.

1. Loosen the end cap fasteners (8) with a wrench (size varies depending on actuator model). On the spring return actuator, alternate 3 to 5 turns on each fastener until the springs are completely decompressed. Use caution in removing the cap since the springs are under load until the fasteners are fully extended. Remove #7 washers and #8 screws. Remove #6 cover.

2. Remove #5 and #24 O-rings. Repeat steps for other side cover #6. The

indicator (12) may now be removed. Loosen #23 nuts and #22 screws.

3. Turn the pinion shaft (17) CCW until the pistons are at the full end of travel. Disengage the pistons (2) from the pinion. (NOTE: Low pressure

air--3 to 5 P.S.I. MAXIMUM--might be required to force the pistons completely from the body.) Note the position of the pistons before removing them from the actuator body. Remove #3 bearings and #4 O-rings from the pistons. Remove #13, 14 & 15 respectively from the pinion.

4. Push the pinion halfway into the bottom of the actuator. Remove #10 and

#11 from the pinion. Now the pinion can be pushed completely out of the body. Remove #18, 9, and 19 from the pinion shaft. All replacement parts may now be re-assembled. BRADFORD recommends that all wear parts (repair kit) be replaced before reassembly.

REASSEMBLING STANDARD ACTUATORS IMPORTANT: Be sure that the actuator surfaces are free of grit and scratches before reassembling.

1. Apply a light film of grease to all o-rings, bearings and the pinion before replacing.

2. Put the pinion (17) back through the actuator with the flats of the pinion

shaft running parallel with the body. Reverse disassembly procedure for re-assembly.

3. When reassembling the actuator, make sure that the piston racks are

square to the actuator body and returned to their original orientation. (NOTE: The normal operation of all BRADFORD actuators is FAIL CLOSED. If you want to change the orientation to FAIL OPEN, rotate the racks 180º to create a reverse operation.

4. When replacing springs in a spring return actuator, ensure that the springs

are replaced in their identical position in the end cap from which they were removed. (NOTE: In some circumstances, you might want to change the standard 80 pound spring set to fit your application and available air pressure. Changing the spring sets on BRADFORD actuators requires no special tools. Please refer to the spring combination torque chart in our catalog for the spring combinations that will allow you to operate with the spring set that you desire.

5. Seal the end caps with a petroleum lubricant and bolt to actuator body.

6. Check the seal of the actuator by covering seal areas (pinion, end caps)

with soapy water and using low pressure air to the actuator to ensure that no bubbles are produced.