Milton Roy mROY B Manual
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Milton Roy mROY B Manual

Milton Roy mROY B Manual

Metering pump iom
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mROY
®
Metering Pump IOM Manual
Manual No : 54649
Rev.
: 03
Rev. Date
: 5/2019
Original Version
A & B

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July 17, 2025

What oil do you use in a Gh.05 pump?

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Tim Barnett
April 9, 2025

CAN YOU REMOVE BALL CHECKS & INSTALL EXTERNAL CHECK VALVE THAT WILL NOT PLUG UP WITH TRASH? AND THE FLOW NOT CHANGE?

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Summary of Contents for Milton Roy mROY B

  • Page 1 mROY A & B ® Metering Pump IOM Manual Manual No : 54649 Rev. : 03 Rev. Date : 5/2019 Original Version...
  • Page 3 PRECAUTIONS The following precautions should be taken when working with metering pumps. Please read this section carefully prior to installation. Protective Clothing ALWAYS wear OSHA approved protective clothing, face shield, safety glasses and gloves when working on or near your metering pump. Additional precautions should be taken depending on the solution being pumped.
  • Page 4 Lifting This manual should be used as a guide only - Follow your company’s recommended lifting procedures. It is not intended to replace or take precedence over recommendations, policies and procedures judged as safe due to the local environment than what is contained herein. Use lifting equipment that is rated for the weight of the equipment to be lifted.

  • Page 5: Table Of Contents

    4 .9 .1 .3 mRoy B Plastic Liquid End (Figure 24) . . . . . . . . . . . . . . .
  • Page 6 6 .15 BASIC PARTS LIST FOR DRIVE MODELS mRoy B (FIGURES 17 & 18) . . . . . . . . . . . . .
  • Page 7 FIGURE 7 . mRoy B - Metallic Liquid Ends Capacity/Pressure Table . . . . . . . . . . . . . . .

  • Page 8: Section 1 - General Description

    SECTION 1 - GENERAL DESCRIPTION 1.1 INTRODUCTION this period air or vapor is bled from the system, lost oil is replenished, and allowances are made The mRoy pump is a highly reliable controlled for the expansion or contraction of the oil due to volume pump of hydraulically actuated diaphragm temperature change.

  • Page 9: General Specifications

    SECTION 1 - GENERAL DESCRIPTION bypass port “H” as shown in Figure 2. Then the plunger displacement is imposed upon the flexible balance of the plunger displacement is imposed on diaphragm. the flexible diaphragm that moves and displaces With the control spool valve adjusted for 50% the liquid being pumped through the discharge capacity, the bypass port will be positioned so that ball checks.

  • Page 10: Figure 2. Pump Operation With By-Pass Port Closed

    SECTION 1 - GENERAL DESCRIPTION Figure 2. Pump Operation With By-Pass Port Closed Accuracy ±1% steady state accuracy over 10:1 turndown Drive Hydraulic bypass design allows adjustment from 0 to 100% of rated capacity while stopped or running Liquid End High performance check valves Diaphragm Hydraulically actuated Diaphragm provides 96000...

  • Page 11: Model Code (Figure 4)

    What key features drive product sizing Features that drive every build Standard mRoy A & B Pump Model Code Gear Motor Suction Dischrge O Ring End Item # Heads Mat’l Plg Dia Motor Rupture Base Ratio mount Conn Conn Material Control Detect Dup L/R...

  • Page 12: Figure 4 . Mroy C, D, E & F Model Code

    Extended mRoy A & B Options Less Common Option Extension Appears along with Common opt code if any value is not “N” Drive op- Motor Coating Component LE Option Run Test Temp Lube tions Options System Test Run Test Options Code Test Description...

  • Page 13: Rpm Kits (Figure 5)

    ROUTINE MAINTENANCE KITS mRoy A & B mRoy RPM kits for pumps noted above Part Number Description 1 Description 2 RPM1001 KIT MRA 316L VITON ORING NPT PLGR CODE C,D,E,F RPM1002 KIT MRA PVC VITON ORING NPT PLGR CODE C,D RPM1036 KIT MRA PVC TEFLEX ORING NPT PLGR CODE C,D...

  • Page 14: Capacity Pressure Table (Figure 6)

    RPM1029 KIT MRB-L/R PVDF VITON ORING PLGR CODE L,R RPM1030 KIT MRB-L/R PVDF EPDM ORING PLGR CODE L,R RPM1031 KIT MRB-L/R PVDF TEFLEX ORING PLGR CODE L,R Figure 5. RPM KITS mRoy Series Capacity/Pressure Selection - Metallic Liquid Ends ● Capacities shown are for simplex.

  • Page 15: Figure 8 . Mroy A - Plastic Liquid Ends Capacity / Pressure Table

    Actuators, rupture detection, and high viscosity options require capacity derating per the table on the next page ● Please note that plastic liquid ends are not available for plunger code “K” - mRoy B frame with 19/32” (15.1 mm) plunger. Strokes/Minute...

  • Page 16: Figure 9 . Mroy B - Plastic Liquid Ends Capacity / Pressure Table

    330.6 81.19 307.3 10.3 Figure 9. mRoy B Plastic Liquid End Capacity Tables mRoy PUMP FLOW DERATING TABLE NOTES: Certain options require that the maximum capacity be derated. Multiply capacities in the capacity / pressure tables in Figures 7 through 10 by the appropriate factors in the table above.

  • Page 17: Section 2 - Installation

    If equipment is to be shipped directly from Milton obvious damage to the contents. Open the crate Roy into long term storage, contact Milton Roy to carefully so accessory items fastened to the inside arrange for long term storage preparation.

  • Page 18: Safety Precautions

    SECTION 2 - INSTALLATION poor free-air circulation over the pump assembly. 2.3 SAFETY PRECAUTIONS When installing, operating, and maintaining the 2.5 OUTDOOR INSTALLATIONS mRoy pump, keep safety considerations foremost. The mRoy pump is designed as a totally enclosed Use proper tools, protective clothing, and eye unit suitable for installation either indoors or protection when working on the equipment and outdoors.

  • Page 19: Figure 14. Mounting Bolt Holes

    • B Series Hole Size = Dia 0.41” (10.4 mm) • A Series Hole Size = Dia 0.38” (9.6 mm) Figure 14. Mounting Bolt Holes Installation, Operations & Maintenance Manual...

  • Page 20: Flange Mounted Motors

    SECTION 2 - INSTALLATION maintain the pump oil temperature above 30°F On the larger mRoy B (Figures 10-13), the normal (-1°C). temperature rise for these motors is 50°C above ambient temperature, and it can be expected 2.6 FLANGE MOUNTED MOTORS...

  • Page 21: Piping

    Synthetic oils are available that span the entire Install shut-off valves, with unions on the pump side temperature range. Contact Milton Roy for of the valves, in the suction and discharge lines to further information.

  • Page 22: Figure 15. Typical Piping And Instrumentation Diagram

    50 PSI (3.5 Bar) minimum for the mRoy A and anticipated. 70 PSI (4.8 Bar) minimum for the mRoy B. The supply tank should incorporate a low-level Therefore, when the pump is to discharge into...

  • Page 23: Operation With Suction Lift

    Available NPSH = Pa + Ph – Pv (must be equal Obtain our NPSH calculation software at to or greater than minimum NPSH as listed under the Milton Roy website (miltonroy.com). If Installation Instructions). assistance in determining NPSH is needed, contact the Milton Roy Aftermarket Service Department.

  • Page 24: Section 3 - Operation

    SECTION 3 - OPERATION 3.1 INITIAL START-UP is recommended to collect this fluid to safe drain Before initial start up of the pump, check the point during this operation. following: - First turn the pump ON FAILURE CHECK - Place the micrometer on the 50% posi- TORQUE tion, for 10 minutes.

  • Page 25: Resetting The Relief Valve

    (tested with water). Milton Roy offers a complete line of Refer Figure 18 for a pictorial description of the calibration columns for calibrating the pump. mechanism.

  • Page 26: Operation

    2. Using a 3/16” hex. key (mRoy A), or a 5/16” The mRoy pump is designed for reliable, unassisted hex. key (mRoy B) as required for the different operation. During normal operation, a periodic models, turn the adjusting screw clockwise to...

  • Page 27: Section 4 - Maintenance

    Kits. RPM kit numbers are listed in Section 1, Parts Orders Must Include The Following Information: Figure 7 (mRoy A) & Figure 12 (mRoy B). 1. Quantity required (in this manual) Double quantities required for duplex pumps. Two 2. Part number (in this manual) diaphragms are required for double diaphragm simplex liquid ends;...

  • Page 28: Routine Maintenance

    Preventative Maintenance (RPM) Kit from your schedule can be lengthened. local representative. RPM kit numbers are listed in Section 1, Figure 7 (mRoy A) & Figure 12 (mRoy B). 4.7 DIAPHRAGM(S) The mRoy PTFE diaphragm is extremely durable 4.5 SEMI ANNUAL OIL CHANGE and often lasts for many years.

  • Page 29: Relief Valve Poppet

    This ball Milton Roy recommends that the relief valve should fall out easily when the suction check poppet be replaced yearly during preventative valve is removed.

  • Page 30: Mroy A Plastic Liquid End, Current Design (Figure 19)

    Disassembly Disassembly 1. Unscrew the check valve assembly from the 1. The mRoy B plastic check valves are held in pump liquid end. place by two long bolts (521) that extend through 2. Both the suction and discharge check valves the diaphragm head.

  • Page 31: Relief Valve Poppet Replacement (Figure 18)

    SECTION 4 - MAINTENANCE with masking tape. Leaving the masking tape 2. Unscrew and remove the relief valve adjustment in place during assembly will make the process screw (50). easier. These parts already have an O-ring in 3. Remove the relief valve spring (40). A pair of place between them.

  • Page 32: Motor And Worm Replacement (Figures 17 & 18)

    SECTION 4 - MAINTENANCE Reassembly 4.9.4 Motor and Worm Replacement (Figures 17 & 18) 1. Place pump on its side with diaphragm cavity Be certain that the motor is disconnected before it facing up. is removed in order to replace or inspect the motor 2.

  • Page 33: Worm Gear Replacement (Figure 17)

    (e.g. Nylon) solid rod into the 3/16” hole and the shaft to prevent oil leaking. shaping the end with a 7/16” reamer inserted into the control spool bore. For the mRoy B 3. Make sure sealing grooves are clean. by pumps, a tool is not required.

  • Page 34: Head Bot Torque Pattern

    Figure 16. Diaphragm Head Bolt Torque Pattern Installation, Operations & Maintenance Manual...

  • Page 35: Section 5 - Troubleshooting Guide

    SECTION 5 - TROUBLESHOOTING GUIDE SYMPTOMS REMEDIES Pump motor won’t operate. • No power. Supply correct power in accordance with motor nameplate. • Blown fuse. Check for short circuit or overload. • Open thermal overload device in starter. Reset overload. •...
  • Page 36 SECTION 5 - TROUBLESHOOTING GUIDE SYMPTOMS REMEDIES • Power supply does not match motor characteristics. Check Motor overheats thermal overload power supply against motor nameplate data. switches. • Overload caused by operating pump above its discharge pressure. Check operating pressure against pump manufacturer’s data plate max.

  • Page 37: Section 6 - Parts

    SECTION 6 - PARTS 6.1 GENERAL 3. Part Number Column 1. This section gives information regarding a) The supplier’s part number is listed in the part replaceable components. number column. 4. Material/SPM Column 6.2 ILLUSTRATED PARTS LIST a) The material used to manufacture the part is 1.

  • Page 38: Figure 17 . Common Parts - Mroy A & B Side View And Api Motor Mount

    mRoy Drive, Side View API FLANGE MOTOR MOUNT BAFFLE FOR DUPLEX NOTES: ITEMS 650 SOLD AS AN ASSEM- BYPASS OPENING IN OIL RESERVOIR ITEM 125 mRoy ONLY NOTE: ITEMS 75&80 mRoy A ONLY DRIVE, SIDE VIEW Figure 17. Common Parts - mRoy A & B Side View and API Motor Mount (DWG(s) 999-2009-0011 and 999-2009-0010) Installation, Operations &...

  • Page 39: Figure 18 . Common Parts - Mroy A & B End View And Mroy A Close Coupled Motor Mount

    CLOSED COUPLED MOTOR MOUNT FLANGE HOUSING END VIEW Figure 18. Common Parts - mRoy A & B End View and mRoy A Close Coupled Motor Mount (DWG(s) 999-2009-0011 and 999-2009-0009) Installation, Operations & Maintenance Manual...

  • Page 40: Figure 19 . Mroy A Metallic And Plastic Liquid End

    C,D PLASTIC LIQUID END NPT CONNECTION CHECK VALVE mRoy HIGH VISCOSITY LIQUID END NPT CONNECTION CHECK VALVE E,F PLASTIC LIQUID END Figure 19. mRoy A High Viscosity & Plastic Liquid Ends (DWG 999-2009-0001 & 999-2009-0002) Installation, Operations & Maintenance Manual...

  • Page 41: Figure 20 . Mroy A Metallic Low Pressure And High Pressure Liquid End

    mRoy A: E,F PLUNGER LIQUID ENDS mRoy A: C,D PLUNGER LIQUID END Figure 20. mRoy A Metallic Liquid Ends (DWG 999-2009-0003 & 999-2009-0004) Installation, Operations & Maintenance Manual...

  • Page 42: Figure 21 . Mroy A Bar Stock Liquid End

    MRA HORIZONTAL BSP BAR STOCK LIQUID END 1/4 NPT TO BSP ADAPTER Figure 21. mRoy A Bar Stock Liquid End and BSP check valve option (DWG 999-2009-0020 and 54626) Installation, Operations & Maintenance Manual...

  • Page 43: Figure 22 . Mroy A Double Diaphragm And Leak Detection

    • Below Drawings Applicable only to mRoy A - C,D Liquid Ends only Detail Detail Detail LEAK DETECTION Figure 22. mRoy A Double Diaphragm and Leak Detection (DWG(s) 999-2009-0005 Installation, Operations & Maintenance Manual...
  • Page 44 DOUBLE DIAPHRAGM LIQUID END • Drawings Applicable to mRoy A - E,F Liquid Ends Figure 22. mRoy A Double Diaphragm and Leak Detection (DWG(s) 999-2009-0005 Installation, Operations & Maintenance Manual...

  • Page 45: Figure 23 . Mroy A And B Actuator

    ECC, VIEW A-A ELECTRONIC CAPACITY CONTROL COUPLING ASSEMBLY PNEUMATIC CAPACITY CONTROL Figure 23. mRoy A and B Actuator (DWG(s) 999-2009-0008 and 999-2009-0007) Installation, Operations & Maintenance Manual...

  • Page 46: Basic Parts List For Drive Models Mroy A (Figures 17 &18)

    BASIC PARTS LIST FOR DRIVE MODELS mRoy A (FIGURES 17 &18) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Housing, Main Consult with aftermarket group for re- placement. Provide serial number and model number of pump. Cup, Race 409-0064-020 Steel Poppet, Relief Valve 212-0056-074 Nylon...
  • Page 47 BASIC PARTS LIST FOR DRIVE MODELS mRoy A (FIGURES 17 &18) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Knob, Capacity Adjust, (Locking 255-0045-000 Micrometer) E-Ring - 1/4”, Control Knob 404-0124-096 Steel Plunger, Control 212-0036-039 Steel Arm, Linkage 214-0009-006 Steel Screw, Linkage - 8-32 x 1/4”...

  • Page 48: Parts Common To Liquid End Models Mroy A (Figures 19 & 20)

    PARTS COMMON TO METALLIC LIQUID END MODELS mRoy A (FIGURES 19 & 20) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Contour Plate–Oil Side - 3-1/2” 298-0061-016 316 SS Contour Plate-Process Side, Also 298-0061-016 316SS Used With Double Non-Contacting 298-0061-028 Alloy 20 Diaphragms) 298-0061-030...

  • Page 49: (Figure 20)

    Diaphragm Head Designs And Diaphragms Are Grouped According To Size And Are Not Interchangeable 6.5 DIAPHRAGM HEAD DESIGN- 8 BOLT E & F LIQUID ENDS MODEL mRoy A (FIGURE 20) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Diaphragm, 8 Bolt E, F Liquid Ends 2980005175 PTFE Ring, Intermediate, Leak Detection, (Con-...

  • Page 50: Model High Viscosity Suction Check Valve Parts (Figure 19)

    DIAPHRAGM HEAD DESIGN- 8 BOLT (2-7/8”) LIQUID END MODEL mRoy C & D (FIGURE 20) Diaphragm - 2-7/8” Diameter, 8 bolt 298-0005-275 PTFE Diaphragm Design Head, Diaphragm - 2-7/8” Diameter, 54182 316SS 8 bolt Diaphragm design 54282 Alloy 20 54287 Alloy C-22 Screw, Socket Head - 5/16-18, 405-0017-139...

  • Page 51: Model Mra Plastic Liquid End Parts(C, D, E, & F) (Figure 19 )

    Valve Body, Suction 221-0864-016 316 SS 221-0864-028 Alloy -20 221-0864-030 Alloy C-22 MODEL mRoy A: E & F PLASTIC LIQUID END PARTS (FIGURE 19) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Contour Plate 298-0061-016 316 SS Diaphragm 5” 298-0005-175 PTFE Head 54092...
  • Page 52 MODEL mRoy A: E & F PLASTIC LIQUID END PARTS (FIGURE 19) O-Ring - 3/8 x 3/32 225-0032-675 PTFE Ball Stop 20289 Seat 20290 Parts Included Ball, 3/8 Ad995 407-0015-111 Ceramic Body, Cartridge 20288 Discharge Assembly, NPT 20302 Discharge Assembly, BSP 54364 O-Ring - 3/8 x 3/32 225-0032-675...

  • Page 53: Mroy A Motor Mount Parts (Figures 17 & 18)

    6.10 mRoy A MOTOR MOUNT PARTS (FIGURES 17 & 18) Close Coupled Flange Mount NEMA 56C (CC with S5 or 5X) (NEMA 56C) Worm and Shaft Assembly includes Worm Shaft (640), Worm (650), Pin (660), Cone Bear- ing (670) and Spring (740). DRAWING LOCATION DESCRIPTION...
  • Page 54 mRoy A MOTOR MOUNT PARTS (FIGURES 17 & 18) Close Coupled Flange IEC Frame 71, B5 (CC with S7 or 7X) (IEC Frame 71, B5) Worm and Shaft Assembly includes Worm Shaft ( 640), Worm (650), Pin (660), Cone Bearing(670) and Spring (740). DRAWING LOCATION DESCRIPTION...
  • Page 55 mRoy A MOTOR MOUNT PARTS (FIGURES 17 & 18) Parts Common To ALL API Motor Mounts (A) (NEMA 56C) Stub Shaft Assembly includes Worm Shaft (640), Worm (650), Pin (660), Cone Bearing (670), & Ball bearing (680). FR (NEMA 56C) Stub Shaft Assembly includes Worm Shaft (640), Worm (650), Pin (660), Cone Bearing (670), &...
  • Page 56 mRoy A MOTOR MOUNT PARTS (FIGURES 17 & 18) API Flange Mount NEMA 143/145TC (F4) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Plug, Expansion - 9/32 40059 Steel Washer, Flat 219-0030-006 Spring, Finger - 0.563 403-0121-006 Adapter, Nema 56c - 143/145 TC 272-0090-001 Screw, Socket Head - 8-32NC x 3/4 405-0132-031...

  • Page 57: Electronic Capacity Control Mounting (Figure 23)

    6.11 ELECTRONIC CAPACITY CONTROL MOUNTING (FIGURE 23) Complete Kits: 30268 7/16”, 3/8” & 5/8” plungers & 335-1401-040 for 1-1/16” plunger. Parts included are below: DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Plug, Adapter - RA & RP Pumps (1” NPT) 243-0045-020 Steel Plug, Adapter - RT, RH, &...

  • Page 58: Pneumatic Capacity Control (3-15 Psi Direct, Figure 23)

    6.12 PNEUMATIC CAPACITY CONTROL (3-15 PSI DIRECT, FIGURE 23) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER O-Ring, Parker - 2-011 408-0109-082 Polyurethane Adapter 272-0052-017 E-Ring (1/4” for Control Knob) 404-0124-096 Steel Flange, Mount mRoy A PCC 204-0070-062 Aluminum O-Ring - 0.921 x 0.139 408-0095-041 1000 Lock-Washer, Int.
  • Page 59 SIMPLEX LEAK DETECTION PARTS, FIGURE 22 (DOUBLE QUANTITIES FOR DUPLEX PUMPS) Bracket 204-0199-006 Steel Lock-Washer, Spring - 5/16 404-0040-028 Zinc Plated Nut, Hex - 5/16-18nc 405-0065-013 18-8 SS Check Valve - 1/8tube, 1/3 PSI 40065 316 SS 1150 Gage, Press - 0-400psi, Dual Flange 40066 Mount 1160...

  • Page 60: Double Diaphragm Parts (Figure 22)

    6.15 SIMPLEX LEAK DETECTION PARTS, FIGURE 22 (DOUBLE QUANTITIES FOR DUPLEX PUMPS) (THIS PARTS LIST IS APPLICABLE ONLY TO mRoy C, D PUMPS, ALSO “V” CHECK VALVE OPTION) DRAWING NUMBER LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM Quantity O-Ring 2-041 Viton 4080109385 VITON Diaphragm XT- GYLON .030 THK 40741...
  • Page 61 6.14 DOUBLE DIAPHRAGM PARTS E & F Plungers (FIGURE 22) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Contour Plate, Process Side, also used 298-0091-016 316SS with double non-contacting diaphragms) 298-0091-028 Alloy 20 298-0091-030 Alloy C-22 Diaphragm (4”, 8 bolt design), model “RJ” 298-0005-175 PTFE Ring Assembly, Intermediate 54817...

  • Page 62: Figure 24 . Mroy B Metallic And Plastic Liquid End

    B: L & R PLASTIC LIQUID END END LOW PRESSURE mRoy B - K METALLIC LIQUID END MRB BSP HORIZONTAL HIGH PRESSURE Figure 24. mRoy B Metallic and Plastic Liquid End (DWG 999-2010-0013 999-2010-0014, 102-9597-0015) Installation, Operations & Maintenance Manual...

  • Page 63: Figure 25 . Mroy B Leak Detection With Switch And Gauge

    SEE DETAIL SIMPLEX Figure 25. mRoy B Leak Detection With Switch and Gauge (DWG 999-2010-0005) Figure 26. mRoy B Gage Only (999-2010-0005) Installation, Operations & Maintenance Manual...

  • Page 64: Figure 26 . Mroy B Double Diaphragm

    M & B ONLY METALLIC LIQUID END mRoy M & B ONLY LOW PRESSURE LIQUID END LOW PRESSURE LIQUID END OPTIONAL PROBE OPTIONAL PROBE DOUBLE DIAPHRAGM DOUBLE DIAPHRAGM Figure 26. mRoy B Double Diaphragm (DWG 999-2010-0025 & 999-2010-0026) Installation, Operations & Maintenance Manual...

  • Page 65: Basic Parts List For Drive Models Mroy B (Figures 17 & 18)

    6.15 BASIC PARTS LIST FOR DRIVE MODELS mRoy B (FIGURES 17 & 18) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Housing, Main Simplex 19/32” 54076 Housing, Main Duplex 19/32” 54074 Housing, Main Simplex 7/8” 54077 Housing, Main Duplex 7/8”...

  • Page 66: Liquid End Mroy B - Small Head Liquid End (Figure 24)

    BASIC PARTS LIST FOR DRIVE MODELS mRoy B (FIGURES 17 & 18) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Screw, Socket Set, Cup Pt. - 6-32NC x 405-0039-035 Decal, Capacity 253-0026-062 Ring, Calibration 253-0025-062 Aluminum Knob, Control 255-0020-062 Aluminum...
  • Page 67 LIQUID END mRoy L,R (FIGURE 24) Head, Diaphragm 54184 316 SS 54284 Alloy 20 Contour Plate - Process Side 201-0395-000 201-0428-000 Screw, Hex Head - 5/16-18 x 1-1/2 405-0017-149 Steel Lock-Washer, Spring - 5/16 404-0040-028 Zinc Plated O-Ring, Discharge Check Valve Cap 408-0068-043 PTFE Check Valve Assembly, Discharge NPT...

  • Page 68: Model Mroy B12 & M12 Plastic Liquid End Parts (Figure 24)

    6.17 LIQUID END mRoy K (FIGURE 24) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Contour Plate - Oil Side 298-0014-006 Steel Contour Plate - Process Side 298-0014-006 Steel 298-0014-016 316 SS 298-0014-028 Alloy 20 298-0014-030 Alloy C-22 Diaphragm - 3.390 Dia. 298-0015-075 PTFE Head, Diaphragm...

  • Page 69: Mroy B Motor Mounts (Figures 17 & 18)

    PVC / Ceramic Ball 221-0360-009 PVDF 6.19 mRoy B MOTOR MOUNTS (FIGURES 17 & 18) Parts Common To All Motor Mounts Worm and Shaft Assembly includes Stub Shaft (640), Worm (650), Spring Pin (660), Tapered Roller Bearing (670), and Single Roll Bearing (680).
  • Page 70 B MOTOR MOUNTS (FIGURES 17 & 18) API Flange Mount NEMA 56C (FR) DRAWING DRAWING LOCATION LOCATION DESCRIPTION DESCRIPTION PART NUMBER PART NUMBER MATERIAL/SPM MATERIAL/SPM QUANTITY QUANTITY NUMBER NUMBER 408-9997-011 Seal, 403-0121-009 Spring Finger 408-9997-011 Seal, 403-0121-009 Spring Finger...

  • Page 71: Electronic Capacity Control Mounting (Figure 23)

    B MOTOR MOUNTS (FIGURES 17 & 18) API Flange Mount IEC 90 B5 DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Seal, Oil 408-9997-011 Spring Finger 403-0121-009 Lock-Washer Spring - 3/8" 404-0041 -022 18-8 ss Nut, Hex - 3/8-16NC...

  • Page 72: Simplex Leak Detector Parts- Gauge & Nema Switch (Figure 25)

    ELECTRONIC CAPACITY CONTROL MOUNTING (FIGURE 23) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Pin, Dowel - 1/8 x 1-3/8 401-0021-143 Steel Pin, Spring, 0.187 x 13/16 CRS 401-0005-062 Lock-Washer Spring - 3/8 404-0041-022 18-8 ss Screw, Hex Head - 3/8-16 x 3/4 405-0018-096 Zinc Plated Guard, Side...

  • Page 73: For Plastic Liquid End (Mroy B) (Figure 26)

    SIMPLEX LEAK DETECTOR PARTS- GAUGE & NEMA SWITCH (FIGURE 25) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Diaphragm, 5.230 Dia. L & R plunger 298-0013-075 PTFE Diaphragm, 3.390 Dia. K plunger 298-0015-075 PTFE Ring Assembly, Intermediate...

  • Page 74: Double Diaphragm Parts- With Conductivity Probe

    6.23 DOUBLE DIAPHRAGM PARTS- WITH CONDUCTIVITY PROBE FOR PLASTIC LIQUID END (mRoy M & B) (FIGURE 26) DRAWING LOCATION DESCRIPTION PART NUMBER MATERIAL/SPM QUANTITY NUMBER Diaphragm 5.230 Dia. 298-0013-075 PTFE Intermediate Chamber 20539 316 ss Probe, Alarm Conductivity 301-0307-000 Plug, Pipe- 3/8", Used without Alarm 402-0011-033 316SS Probe...
  • Page 75 1.1 APPENDIX A 1.2 MODEL CODE HISTORY (PRIOR TO 2016) mRoy L History mRoy A History Installation, Operations & Maintenance Manual...
  • Page 76 MODEL CODE SELECTION END ITEM OPTION SELECT NUMBER mRoy A SERIES End item Model Code Option Selected Number Material Plunger Gear Mount / Suction Discharge Capacity Rupture Code Diameter Motor Connection Connection Control Detection & Base * 2 for Duplex mRoy A LIQUID END MATERIAL CODE SELECTION Code Description...
  • Page 77 1/4 HP Motor, TE, 1725 RPM, 3 phase, 60 Hertz, 230/460 Volt & Close Coupled Flange NOTE: These motors replace the obsolete integral motor offering. They are standard NEMA 56 C frame motor on a short flange MOTOR MOUNTS (Use only when motor is ordered from Milton Roy) Code...
  • Page 78 95 spm 10 : 1 Gear Ration 148 spm MOTOR MOUNTS MOTOR MOUNT ( Use only when motor is ordered from Milton Roy - see section 4100) Refer to capacity/ pressure table for horsepower required Code Description API Flange Mount, NEMA 56C...
  • Page 79 We are committed to a world of sustainable progress and enduring results. info@miltonroy.com mRoy is a registered trademark of Milton Roy, LLC. www.miltonroy.com ® © 2019 Milton Roy, LLC.

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