
The mRoy series is trusted in industries such as chemical processing, water treatment, and mining, known for its reliability and long service life, often exceeding 20 years.
Performance RangeVarious options are available for material, plunger diameter, gear ratio, motor mount, and capacity control. Consultation with a representative is recommended for specific configurations.
Materials of ConstructionOptions include cast iron, 316 SS, PVC, PVDF, Alloy 20, and Alloy C22, with PTFE diaphragms and Viton & Buna N seals.
DimensionsApproximate dimensions are provided for envelope estimations, with certified prints available upon request.
This document provides detailed technical specifications and options for the mRoy® Series XT and XW pumps, including materials, configurations, and additional features.
SpecificationsThe pumps are available in Simplex and Duplex configurations with various material options such as 316 SS, PVC, Alloy 20, and PVDF. Gear ratios and motor mounts are specified for different series, with detailed descriptions of suction and discharge connections.
Capacity ControlOptions include manual micrometer and electronic controls, with specific derating instructions when using non-manual controls. Rupture detection systems are available, with a 5% capacity derate when used.
Materials of ConstructionThe document lists materials for diaphragms, valve bodies, seats, balls, seals, and check valve springs, emphasizing the use of stainless steel and PTFE for durability and leak prevention.
PerformanceThe pumps offer a range of capacities and pressures, with specific flow rates and stroke lengths detailed for different configurations. The document includes a capacity/pressure table for reference.
General InformationThe mRoy pumps are designed to be leakproof and durable, with options for diaphragm rupture detection and electronic capacity control. The document outlines the operational principles and specifications for these features.
AccessoriesVarious accessories are available, including back pressure valves, safety valves, pulsation dampeners, and calibration columns. Additional options include integral duplex, double diaphragm, pneumatic capacity control, and more.
NotesThe document concludes with contact information for Milton Roy and a revision note.
Series Hydraulic Diaphragm Metering Pumps
Open the catalog to page 1The mRoy series of metering pumps have provided users with high performance and reliability since its introduction in 1962. Enhanced and improved over the years, it is still the industry standard for durability and accuracy in the most demanding applications. The mRoy is available in several different model series to meet the demands of any application with optimum performance and efficiency. E lectric, hydraulic or air motor drives ensure that your mRoy will operate in all environments and power supplies ª D ust-tight cast iron drive housing provides a rugged enclosure that will operate in all...
Open the catalog to page 2PERFORMANCE RANGE CAPACITY LITERS/HOUR CAPACITY GALLDNS/HDUR The reliability of the mRoy has been proven in hundreds of thousands of installations worldwide.The mRoy provides a great deal of value to customers whether they have routine or demanding applications. Its outstanding performance has allowed process engineers to trust the mRoy in the most critical of services. Installations are found in every applicable industry including chemical or hydrocarbon processing, water treatment, food and beverage, mining, power, pulp and paper, textile and many others. Once installed, the mRoy's "uptime"...
Open the catalog to page 3mRoy® Series A Performance Maximum Range: Simplex: 30 GPH (329 liter/hr) Duplex: 60 GPH (658 liter/hr) 350 psi (24 Bar) General Specifications Liquid End Type: Liquid Temperature Range: Hydraulically Actuated Disc Diaphragm Capacity Adjustment: Metallic Heads: 20º to 200º F (-7º to 93º C) Plastic Heads: 20º to 145º F (-7º to 62º C) Hydraulic Bypass from 0 to 100% While Running or Stopped Coating System: Polyester TGIC Powdercoating Capacity Control: Manual Micrometer (standard) Electronic (optional) Pneumatic (optional) Variable Speed (optional) Three Year Standard (details available separately)...
Open the catalog to page 4Model Code Selection Additional options are available. Consult with your representative End Item Code Option Select Number Material Code Number Heads Code Description 1 Simplex 2 Duplex Material Code Code Description 0 Cast Iron 1 316 SS 2 PVC (N/A with Gear Code 10) 7 PVDF (N/A with Gear Code 10) 5 Alloy 20 6 Alloy C22 Plunger Diameter Code Description 07 7/16” (11 mm) 10 5/8” (16 mm) 17 1-1/16” (27 mm) Gear Ratio SPM @ RPM Code 1725 1425 77 Discharge Connection Capacity Control Rupture Detection & Base Capacity Control Code Description M2 Manual Micrometer (STANDARD) E1 Electronic - NEMA 4,...
Open the catalog to page 5mRoy® Series H, J and T Performance Maximum Range: Simplex: 6.2 GPH (23.5 liter/hr) Duplex: 12.4 GPH (47 liter/hr) 2000 psi (124 Bar) General Specifications Liquid End Type: Liquid Temperature Range: Hydraulically Actuated Disc Diaphragm Capacity Adjustment: Coating System: Hydraulic Bypass from 0 to 100% While Running or Stopped Polyester TGIC Powdercoating Capacity Control: Three Year Standard (details available separately) Manual Micrometer (standard) Electronic (optional) Pneumatic (optional) Variable Speed (optional) Steady State Accuracy: Stroke Length: Average Shipping Weight: Internal...
Open the catalog to page 6Model Code Selection Additional options are available. Consult with your representative End Item Code Option Select Number Material Code Series Code Description T 3/8” Plunger H 7/16” Plunger J 5/8” Plunger Gear Ratio Mount/ Motor Motor/Motor Mount Mount with Motor Code Description A1 TE 1/60/115 Close Coupled 1/4 HP (STANDARD) A8 TE 3/60/230/460 1/4 HP Close Coupled Number Heads Code Description 1 Simplex 2 Duplex Material Code Code Description 0 Cast Iron (not available on J series) 1 316 SS 5 Alloy 20 Gear Ratio SPM @ RPM Code 1725 1425 77 Capacity Control Rupture Detection & Base Capacity...
Open the catalog to page 7Performance Maximum Range: Simplex: 87 GPH (329 liter/hr) Duplex: 174 GPH (658 liter/hr) 1500 psi (103 Bar) General Specifications Liquid End Type: Number of Pumping Heads: Hydraulically Actuated Disc Diaphragm Simplex Standard, Duplex Optional Capacity Adjustment: Liquid Temperature Range: H ydraulic Bypass from 0 to 100% While Running or Stopped Metallic Heads: 20º to 200º F (-7º to 93º C) Plastic Heads: 20º to 145º F (-7º to 62º C) Capacity Control: Coating System: Manual Micrometer (standard) Electronic (optional) Pneumatic (optional) Variable Speed (optional) Polyester TGIC Powdercoating...
Open the catalog to page 8Model Code Selection Additional options are available --- Consult with your representative End Item Code Option Select Number Number Heads Series Code Description 19/32” Plunger S Series S M 7/8” Plunger M Series B 1 7/16” Plunger B Series Number Heads Code Description 1 Simplex 2 Duplex Material Code Code Description 1 316 SS 2 PVC (not available on “S” series) 5 Alloy 20 7 PVDF (Only available on “M” & “B” series) Gear Ratio SPM @ RPM Code 1725 1425 38 Capacity Control Motor Mount Code Description FR API Flange NEMA 56C (STANDARD) F4 API Flange Mount, NEMA 143TC/145TC F8 Flange Mount IEC Frame...
Open the catalog to page 9mRoy® Series XT and XW Performance Maximum Range: XT: 2.2 GPH (8.3 liter/hr) XW: 9.2 GPH (34.8 liter/hr) 3000 psi (211 Bar) General Specifications Liquid End Type: Liquid Temperature Range: Hydraulically Actuated Disc Diaphragm Capacity Adjustment: Coating System: Hydraulic Bypass from 0 to 100% While Running or Stopped Polyester TGIC Powdercoating Warranty: Three Year Standard (details available separately) Capacity Control: Manual Micrometer (standard) Electronic (optional) Variable Speed (optional) Average Shipping Weight: XT - 75 lbs (34 kg) XW - 95 lbs (43 kg) Steady State Accuracy: Internal...
Open the catalog to page 10Model Code Selection Additional options are available. Consult with your representative End Item Code Option Select Number Series Code Description T T Frame W W Frame Gear Ratio XT Code Capacity Control Connection Code Check Valve Rupture Detection & Base Code Description NN None (STANDARD) C5 Rupture Detection with Base & Gauge SN Rupture Detect with Base, Gauge, & NEMA 4 Switch S7 Rupture Detect with Base, Gauge, & Ex Proof Switch * hen using rupture detection, derate pump capacity by 5%. W Connection Code Metallic Heads Code Description NN NPT Female (STANDARD) 11 ANSI 150# RF 1/2” Threaded...
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