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WorthIngton mag-drive, ANSI sealless pum s

DRESSER PUMP DRE.C7

Part

Casinci Casing Gasket Casing Cap Screws Casing Foot Closed Impeller Bearing Carrier Bearings (1) Shaft Inner Rotor Can Outer Rotor Magnets (2) Frame Adapter

(1) Alternate -Carbon

31658

316 SS Hastelloy

Hastelloy Steel

Steel Neodymium Neodymium Ductile Iron Ductile Iron

(2) Alternate - Samarium Cobalt

Silicon Carbide Silicon Carbide 316 SS 31658

Ductile_ Iron Euctile Iron

.Durabla Steel Malleable Iron Iron Ductile from-. -

316 Stainless Steel 316 SS Durabla 316 SS Malleable iron 316 SS 316 SS

• '.:,..7.h.7"::....nr.,..1Zrner.R1 •.1• ..k.?••.;?•",-.. ,.., • ...a. =',A, • •••• Hastelloy C-276® can between inner and outer rotor not shown.

Efficient, dependable sealless performance proven in hundreds of installations.

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Zero-leakage, sealless pumps are becoming the standard for pumping hazardous or highly toxic fluids.

And when it comes to choosing between the two basic types of sealless pumps - canned motor or magnetic-drive - the trend has been toward magnetic drive pumps because they can be repaired in the field and are easier to maintain.

The Worthington DM-1000 pump line is a new generation of magnetic-drive, sealless pumps which incorporates the highest technology - in both magnetic-drive and liquid end design. And this design technology has been proven by a perfor-mance record that is unmatched in the industry. More than 500 Worthington magnetic-drive pumps are installed and operating successfully around the world.

The pump has'been designed for a wide perfor-mance range capable of handling a majority of process pumping applications.

• Heads to 450 feet • Capacities to 900 gpm • Temperatures to 480 F

Advanced rare earth magnet design. The unique magnetic-drive design utilizes the latest advances in rare earth magnet technology. Standard inner and outer rotor magnets are high density Neodymium which has excellent torque transmission capability at moderate temperature. Optional Samarium Cobalt rare earth magnets are used for higher temperature applications.

Besides increasing efficiency, the more powerful rare-earth magnets allow for a more compact design.

Performance-proven liquid end. The liquid end features the same high efficiency closed impellers and casings used on Worthington ANSI pumps since the early 1970's.

Since then, this design has given users hundreds of thousands of hours of reliable and cost-effective performance in a wide variety of the toughest process services.

Frame mounted or close coupled. The Worthington magnetic-drive ANSI sealless pump is available in either frame mounted or close coupled configurations.

Conformance to ANSI and EPA standards. In the chemical process industries, where ANSI is the standard, a sealless pump design which meets the ANSI B73.1 dimensional and hydraulic specifications is the logical choice.

Worthington's is the first magnetic-drive design ever to completely conform to ANSI standards for both drive and liquid end and also meets the most stringent EPA standards for pollution control and safe operation.

Extensive parts interchangeability. The pump is dimensionally interchangeable with any other installed ANSI pump of the same size and material - regardless of the manufacturer (see details on interchangeable components on page 10).

This extensive interchangeability means that any installed ANSI pump can be upgraded with a Worthington magnetic-drive pump without disturbing piping, baseplate, foundation, drive or couplings.

In an upgrading situation, even if the Worthington magnetic-drive pump costs more intitially than a canned motor sealless pump, the savings to be realized through lower-cost installation will more than compensate for the price difference.

Materials of construction

Synchronous drive

The Worthington sealless magnetic design features a synchronous drive (motor speed = drive speed) with permanent rare earth magnets on both the inner and outer rotors. The magnetic attraction firmly locks the rotors together to give maximum torque transmission at any speed, so there is 100% power transmission.

With the commercial availability of rare earth magnets, this design is a much more attractive option than the traditional eddy current drive with its bulky Alnico outer magnet and inner torque ring design. The increse in flux density now possible with rare earth magnets enables us to offer more compact drives with lower viscous and eddy current losses. C

250

Performance data

• Heads to 450 ft. • Capacities to 900 gpm • Up to 50 hp, 3600 rpm • Operating temperatures to 480 F

Maximum Drive Ratings for Permanent Magnets

Maximum Maximum Motor Rating (HP)

Drive Torque Size Rating 1450 1750 2950 3550

(Ft-lbs) RPM RPM RPM RPM

7NM 5.2 1.5 1.5 3.0 3.0 10NM 7.4 2.0 2.0 3.0 5.0 25NM 18.4 3.0 5.0 10.0 15.0

50NM 36.9 7.5 10.0 20.0 25.0 100NM 73.75 15.0 20.0 40.0 50.0

Maximum working pressure limits

300

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of motor torque.

earing Frame Sea ptii

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Inducer Option Reduces NPSHR up to 50%

The Worthington inducer is the first truly effective inducer ever developed for an ANSI line. When low pressures and high temperatures make NPSH a critical problem, it can reduce NPSH requirements by as much as 50%.

The Worthington inducer is positioned in front of the impeller to "pull" extra fluid into the impeller. This improved suction performance significantly reduces the NPSH requirements of the pump across its normal operating range. The result is substantial savings through designing the system with smaller, higher-speed pumps and less expensive towers, piping and valves. Inducers can also be retrofitted easily to all Worthington magnetic- drive pumps to meet new or unexpected operating conditions.

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Capacity

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Optional protection systems RIWCeSte...q. „.

All Worthington magnetic drive pumps can be equipped with a variety of monitoring devices to ensure maximum security and safety.

1. A temperature probe can be mounted directly on the containment can to sense increased temperature due to heat generated by eddy current losses if the pump runs dry or seizes. Monitoring of can temperature is critical to prevent overheating and destruction of the magnetic field.

2. A vibration probe can be provided to sense excessive wear of the inner liquid bearings.

Typical arrangement for hazardous areas using a flameproof head.

3. A secondary containment seal can be installed on the outer bearing housing cover to provide backup protection in the event of inner can rupture.

4. A leak detector can be mounted on the adapter drain connection for use in conjunction with the secondary seal option to shut down the pump before liquid escapes to the atmosphere.

5. A motor monitoring device is available to shut down the motor if the pump seizes or runs dry.

6. Differential pressure or flow detectors can be provided at the suction and/or discharge of the pump to monitor changes in conditions.

9

The chart below illustrates the extensive interchange-ability of the Worthington Magnetic Drive pump. Only three bearing housings and five rotor sets accommodate 13 liquid end sizes. This interchangeability is an advantage to the larger process plant, using a number of Worthington pumps

of various sizes. It reduces the number of com-ponents needed in inventory for replacement, repair or modification of the installed units.

Standard conventional Worthington D1000 ANSI sealed pump casings and impellers are also inter-changeable with Worthington magnetic drive pumps.

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A50 3X1 5X8

A60 3X2X8 BEARING

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8"/10" 100NM

REARING HOUSING ADAPTOR & REAR FOOT

SHAFT & BEARINGS (OUTER ROTOR)

CASING AND IMPELLER

OUTER ROTOR

INNER ROTOR BEARING

CARRIER CAN

1.5X1 06

AB 3X1 5X6 FR1

AA 1.5X 1 X8

SKID RING REQUIRED IN ADAPTOR FOR 7/1 ONM FRI & 3

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A70 4X3X8

= 8.25 flD=10

FR3

A50 1 3X1 5X10

A60 3X2X 10

A70 4X3X 10

A80 6X4X10

Extensive interchangeability offers installation flexibility

Superior hydraulic performance.

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25 50 100 150 250 CAPACITY

2000 3000 , 5000 7000US GPM

500 1000 M3/1-IR

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Typical specifications.

General Furnish and install as indicated in plans and specifica-tions (quantity) Worthington or equal model DM-1000 magnetically driven centrifugal pump to ANSI dimen-sions for (type) service.

Pumps are to be (*Ductile Iron) (*Ductile Iron with 316SS steel internals) (*All 316 stainless steel), and are to be mounted on a steel baseplate with spacer coupl-ing and OSHA approved coupling guard, and conform to dimensional standard of ANSI B73.1.

Operation Conditions Each pump shall be capable of delivering GPM of (liquid) against feet total head. Net positive suction head available to the stop of the pump foundation will be feet. The characteristics of the liquid to be pumped are as follows:

Application Data Fluid Service Capacity Specific Gravity Viscosity Ternperature Vapor Pressure Specific Heat Suct. Pressure Disch. Pressure Diff. Pressure TDH - Ft. NPSHA

(Add any additional facts concerning the nature of the liquid which might effect pump construction or application)

Construction Details The construction features shall be:

1. The casing of the pump shall be of (*Ductile iron) ("316 SS) material and shall be equipped with 150 lb. flat faced flanges for inlet and outlet connections. Casing shall be end suction with top centerline discharge and shall permit disassembly from the rear without disturbing suction and discharge piping.

2. The impeller shall be of the enclosed type, statically and hydraulically balanced, and shall be of (Cast Iron) (*316 SS) material. Impeller shall be keyed to the shaft and held securely in place by a stainess steel impeller nut and lockwasher. The impeller will have ports at its hub to direct return flow from the bearings to the pump suction.

3. A suction inducer shall be furnished if required to decrease the NPSH required of the pump.

4. Stationary sleeve bearings shall be mounted on a common bearing carrier to ensure concentricity and positive alignment.

5. Internal bearings (stationary and rotating) shall be silicon carbide, carbon or filled teflon and held in place by anti-rotation pins.

6. The containment can shall be made of one piece Hastelloy C construction with no longitudinal or end plate welds and designed with a minimum wall thickness of .047" to meet ASME section VIII pressure vessel code. Can shall be hydrotested to 11/2 times the maximum pump working pressure and have a minimum corrosion allowance of .016 inches. The can shall be separately mounted to the bearing carrier by a rabbet fit and shall not support any bearings.

7. A skid ring shall be located in the adapter with a closer clearance to the outer magnet rotor than the rotor to can clearance to protect the containment can from damage.

8. Gap between outer drive rotor and inner driven rotor shall not exceed .115 mils to minimize eddy current losses.

9. Five magnetic drives shall be available to provide the highest efficiency while maintaining optimum cost. Drives shall include 3, 5, 15, 25 and 50 hp at 3600 rpm.

10. The bearing frame drive shaft shall have oversized anti-friction bearings, grease filled for life and free from hydraulic loads. Outer magnetic drive shall be fixed to the drive shaft by means of a key and two set screws.

11. The magnets shall be neodymium for normal temperature operation and samarium cobolt for high temperatures.

12. The pumps shall be available in both close coupled and frame mounted configurations.

13. Design shall alloW for recirculation flow directed in two paths, across the bearings and between the magnets to ensure best lubrication and cooling even at low NPSH suction conditions.

14. An external connection shall be provided to inject a clean, heated or cooled liquid to the bearings and containment can to improve reliability for specific applications.

15. Provision for secondary containment designed to withstand up to 150 psi shall be available for additional leakage protection.

12

Dimensions

Frame Mounted

SPACER COUPLING

SUCTION

HG

Pump Size

Frame Dimensions in Inches

Size Suction Size

Discharge - Size CP D X V HA* HB H * • HT

11/2 x 1 x 6 1 11/2 1 171/2 51/4 61/2 4 10 35 23/4 31/4 .

11/2 x 1 x 8 1 11/2 1 171/2 51/4 61/2 4 12 39 27/s 31/2

3 x 11/2 x 6 1 3 11/2 171/2 51/4 61/2 4 12 39 2% 31/2

3 x 11/2 x 8 3 3 11/2 23 1/2 81/4 81/2 4 15 52 3% 31/2

3 x 11/2 x 10 3 3 11/2 23 1/2 8 1/4 81/2 4 18 . 58 3% 31/2

3 x 2 x 6 3 3 2 231/2 81/4 81/4 4 15 52 3% 31/2

3 x 2 x 8 3 3 2 23 1/2 81/4 91/2 4 18 58 3% 31/2

3 x 2 x 10 3. 3 2 23 1/2 81/4 91/2 4 18 58 3% 31/2

4 x 3 x 6 3 4 3 23 1/2 81/4 81/2 4 18 58 3% • 31/2

4 x 3 x 8 3 4 3 231/2 81/4 11 4 18 58 378 • 31/2

4 x 3 x 10 3 4 3 231/2 81/4 11 4 18 58 37/s 31/2

6 x 4 x 8 3 6 4 23 1/2 81/4 _. . 11 4 18 58 3% 31/2

6 x 4 x 10 3 6 4 23 1/2 10 13 1/2 4 18 58 3% 31/2

• BASEPLATE DIMENSIONS WILL VARY SLIGHTLY WITH MOTOR FRAME SIZE. ALL DIMENSIONS ARE IN INCHES AND ARE APPROXIMATE AND NOT TO BE .USED FOR CONSTRUCTION PURPOSES.

13

Dresser Pump Division Dresser Industries, Inc. Harrison, NJ 07029

5V-la Worthirigton Non-metallic ANSI pump Worthington ANSI pump

Nationwide sales and service backup: Your key to trouble-free operation.

Behind the Worthington magnetic-drive pump line is an extensive network of parts and service facilities totally committed to providing fast and efficient service.

From installation and startup assistance, to fast-response parts service, machinery repair and overhaul, product upgrading, field service and customer training - Dresser Pump has the expertise and facilities to keep your pumps on line and operating at peak efficiency.

In North America alone, Dresser Pump has ten service centers strategically located throughout the U.S. and Canada. Each facility is staffed with factory- trained repair specialists and experts in product upgrading - and can draw on a large group of experienced field supervisors and technicians. Several of these facilities also have dedicated parts manufacturing operations for fast response to your special needs.

And finally, Dresser Pump provides these services on a 24-hour basis - at your site or ours.

Worthington pumps for all your chemical requirements.

2116-B1 1289 TPC

Printed in U.S.A.