Precision Dry-Rabbet Fit with one-piece adapter and seal cover ensures positive alignment and reduces maintenance downtime.

Top Centerline Discharge Casing has bottom foot for added support; tap and plug holes for drain connections can also be provided.

Precision Cast High-Efficiency Closed Impeller is statically and hydraulically balanced to reduce power consumption.

Casing Nozzles conform to ANSI B16.1 specifications with a minimum 125 pound load rating. Threaded or flat-face flanged.

Complete Mechanical Seal Assembly is pre-set on the shaft sleeve to ease assembly and reduce maintenance downtime.

Renewable Wear Rings and Shaft Sleeves restore worn operating clearances and extend pump life at minimal cost.

Flexible Spacer Type Coupling allows pump internals to be removed without disconnecting motor leads or system piping.

Operating Parameters

• Flows to 340 m³/h (1500 gpm)
• Heads to 120 m (395 ft)
• Pressures to 15 bar (220 psi)
• Temperatures to 120°C (250°F)

Radially Split, Multivane Diffuser Construction results in balanced radial loads over the entire flow range, including partial-load operation.

Cartridge-Style Inner Case Sub-Assembly includes the rotor, discharge head, suction head and bearing assembly. This cartridge-style construction allows the entire assembly to be removed as a single unit to facilitate maintenance.

Axial Thrust Balancing Device creates nearly constant axial thrust throughout the pump’s operating range for improved efficiency.

Precision Cast Impellers are dynamically balanced to ensure hydraulic efficiency and performance repeatability. Large-eye first stage impeller optimizes NPSH characteristics.

Radial Bearings are sleeve mounted anti-friction deep groove and thrust bearings are sleeve mounted back-to-back angular contact type. The bearing lubrication system includes an oil bath, a constant level oiler and an oil sight glass.

Operating Parameters

• Flows to 300 m³/h (1320 gpm)
• Heads to 1200 m (2175 ft)
• Pressures to 150 bar (2175 psi)
• Temperatures to 200°C (390°F)

Double Volute, Axially Split Casing Design minimizes hydraulic radial forces in any condition down to the minimum flow, thus reducing shaft deflection and increasing the life of bearings, seals and wear rings.

Suction and Discharge Nozzles are integrally cast in the lower half casing to permit pump disassembly without disturbing the piping. Nozzles are designed to handle external forces and moments equal to or in excess of ISO 13709/API 610 specifications.

Near Centerline Mounting provides superior pump alignment and performance at elevated temperatures.

Confined Gasket Design allows metal-to-metal contact for proper gasket compression and eliminates corrosion of bolts and nuts.

Raised Face Flanges meet ASME B16.5 standards and are available in Class 150 (PN 20) and 300 (PN 40).

Renewable Casing and Impeller Wear Rings are standard, permitting continued high-efficiency operation. Clearances are per ISO/API requirements

Double Suction Impeller provides hydraulic axial balance and allows minimal NPSHR. The complete rotor assembly is dynamically balanced to ensure vibration-free operation as per ISO/API requirements.

ISO 21049/API 682 Seal Chambers operate at suction pressure and allow for installation of cartridge-style single, dual unpressurized and dual pressurized mechanical seals to meet required safety and environmental requirements.

Operating Parameters

• Flows to 15 000 m³/h (65 000 US gpm)
• Heads to 250 m (820 ft)
• Pressures to 25 bar (365 psi)
• Temperatures to 150°C (300°F)

Precision Cast Closed Impeller with extended hub has machined shrouds and is dynamically balanced for high efficiency.  Axial thrust is minimized by balancing chamber and holes on the rear side.

Volute Casing Design has end suction with top discharge.

Open Seal Chamber features integral vortex-breaking ribs to extend mechanical seal life.

A reduced footprint permits the MENBLOC pump to be used in tight areas.

Operating Parameters

• Flows to 340 m³/h (1500 gpm)
• Heads to 100 m (330 ft)
• Pressures to 16 bar (230 psi)
• Temperatures to 110°C (230°F)

Split Case Design with lifting lugs simplifies maintenance by allowing access to the rotating element without disturbing piping or driver.

Low NPSH Enclosed Double Suction Impellers provide high efficiency and optimum performance over a wide flow range.

Small Footprint reduces floor space requirment.

Suction and Discharge Flanges are available in flat or raised face and to ASME (ANSI), DIN, and ISO standards.

Maintenance-free, Product-lubricated Bottom Bearing eliminates the need for mechanical seal and ball bearing.

Seal Chamber Design accommodates component or cartridge type mechanical seals as well as graphite impregnated non-asbestos packing with a lantern ring.

Standard Case Wear Rings allow economical renewal of operating clearances. Special serrated groove designs are available.

Features:

• Optional impeller wear rings
• Available high performance coatings
• Operating parameters
  • Flows to 2000 m³/h (8800 gpm)
  • Heads to 137 m (450 ft)
  • Pressures to 21 bar (300 psi)
  • Temperatures from -30°C (-20°F) to 150°C (300°F)

Split case design with lifting lugs simplifies maintenance by allowing access to the rotating element without disturbing piping or driver.

Low NPSH enclosed impellers provide optimal high-efficiency performance over a wide flow range.

Radial and thrust bearings are available with oil or grease lubrication.  Designs include single row, deep groove ball bearings or duplex thrust ball bearings.

Heat-treated steel shaft limits deflection to 0.05mm (0.002 in), prolonging seal life.

Operating Parameters

• Flows to 2000 m³/h (8800 gpm)
• Heads to 170 m (560 ft)
• Pressures to 21 bar (300 psi)
• Temperatures from -30°C (-20°F) to 150°C (300°F)

Double Helical Herringbone Gears provide quiet, pulse-free flow with better load carrying ability, greater strength and minimum hydraulic shock.

Between Bearing Design virtually eliminates shaft deflection, even while accommodating heavy, highly viscous loads.

Heavy-Duty Caged Roller Bearings result in long life. Hydrex pumps use the heaviest duty commercially available bearings.

Features:

• Direct coupled
• Single mechanical seal
• Choice of materials
  • Cast iron
  • Steel
  • Bronze
  • Stainless steel
• Optional vertical submerged tank design
• Operating parameters
  • Flows to 110 m³/h (500 gpm)
  • Pressures to 24 bar (350 psi)
  • Temperatures from -50°C (-60°F) to 200°C (400°F)
  • Viscosities from 32 to 500 000 ssu

Multistage, Overhung Construction enables better suction performance while simplifying pipe work layout.

Back Pullout Construction facilitates inspection and maintenance

Sturdy Bearing Frame is generously sized to handle belt loads. Grease lubricated ball bearings are standard.

Oversized Shaft is conservatively designed to minimize deflection and reduce wear.

Shaft Sealing is accomplished via packed gland or mechanical seal.

Available Configurations

• FP horizontal, overhung impeller
• FM horizontal, close coupled
• FD vertical
• FS vertical, suspended shaft wet-pit
• FMD vertical, close coupled
• FAD vertical, rigid coupled

Operating Parameters

• Flows to 500 m³/h (2200 gpm)
• Heads to 250 m (820 ft)
• Discharge pressures to 25 bar (365 psi)
• Temperatures to 105°C (220°F)

Centerline Supported Pump Casing accommodates nozzle loads in accordance with ISO13709/API 610 design requirements.

Precision Cast Impeller is dynamically balanced to limit vibration and assure smooth operation over a wide flow range.

Flanges are in accordance with ASME B16.5 Class 300 RF standard or 600 RF optional.

ISO 21049/API 682 seal chamber accommodates a wide variety of seal configurations including dual pressurized and unpressurized cartridge types for the most severe services.

Semi-Open Impeller and High Pressure designs available.

Operating Parameters

• Flows to 1100 m³/h (4800 gpm)
• Heads to 230 m (750 ft)
• Pressures to 60 bar (870 psi)
• Temperatures to 350°C (660°F)

Centerline Supported Pump Casing accommodates nozzle loads in accordance with ISO13709/API 610 design requirements.

Precision Cast Impeller is dynamically balanced to limit vibration and assure smooth operation over a wide flow range.

Flanges are in accordance with ASME B16.5 Class 300 RF standard or 600 RF optional.

ISO 21049/API 682 seal chamber accommodates a wide variety of seal configurations including dual pressurized and unpressurized cartridge types for the most severe services.

Semi-Open Impeller and High Pressure designs available.

Operating Parameters

• Flows to 1100 m³/h (4800 gpm)
• Heads to 230 m (750 ft)
• Pressures to 60 bar (870 psi)
• Temperatures to 350°C (660°F)

Pump Casing and Cover features metal to metal fit with fully confined, controlled compression gasket to endure proper sealing and alignment.

Dynamically Balanced Precision Cast Impeller limits vibration and ensures smooth operation over a wide flow range. An anti-rotation impeller nut positively locks the impeller to the shaft without exposing its threads to the pumped fluid.

API 682 Seal Chambers allow for installation of cartridge style single, dual unpressurized and dual pressurized mechanical seals to meet required safety and environmental requirements.

Modular Design with a range of impeller and casing designs allows the hydraulics to be tailored to the service requirements.

Thrust Pot with API 40° angular contact bearings in back-to-back arrangement enables standard (non thrust) electrical motors to be used and fulfills API 610 bearing life criteria..

Features:

• Four API 610 compliant hydraulic designs.
  • ECPJ-R
    • Closed multivane impeller with front and back rear rings
  • ECPJ-O
    • Open multivane impeller with back vanes
    • Suitable for handling soft particles like PTA applications
  • ECPJ-F
    • Free flow impeller with back vanes
    • Recommended for enahnced solids handling capability
  • ECPJ-H
    • Steam jacketed casing
    • Mandatory for liquid sulfur service
• Baseplate options
  • Rectangular
    • Non pressurized
    • Foundation or steel structure mounting
  • Circular
    • DIN 2501 PN 6 – Tank Pressures to 6 bar (87 psi)
    • ANSI 150 lbs
    • ANSI 300 lbs
  • Customer specific dimensions
• Shaft sealing options
  • V-Ring
  • Throttle bushing
  • Lip seal with grease filled stuffing box
  • Soft packing
  • API 610 compliant cartridge designs
    • Single mechanical seal, including dry running types
    • Pressurized double mechanical seal
    • Unpressurized double mechanical seal
• Additional Options
  • Inducer
  • Steam heating
  • Suction strainer
  • Bearing cooling (API Plan A)
  • Internal or external bearing flushing
  • Multiple API seal flushing, barrier fluid and quench system piping plans
  • Suction Pipe

Operating parameters

• Flows to 1000 m³/h (4000 gpm)
• Heads to 150 m (500 ft)
• Pressures to 20 bar (285 psi)
• Temperatures to 350°C (660°F)
• Column lengths to 6 m (22 ft)
• 45 sizes available

Choice of Radial or Mixed Flow Hydraulics to best meet service requirements. Choose radial flow hydraulics for low-flow, high head applications; mixed flow hydraulics for high-flow, low head applications.

Axial Thrust Tilting Pad Bearing Configuration allows use of standard motors for high horsepower or ultra-high thrust operating conditions.

Stiff Shaft Design ensures stable operation under all service conditions.

ISO 21049/API 682 Compliant Mechanical Seal Chamber accommodates all cartridge mounted seal designs, including single, dual unpressurized or pressurized liquid or gas designs.

Features:

• Flanged spacer-type coupling
• Screen-type, non-sparking coupling guard
• Casing and impeller wear rings
• Reinforced motor stand
• Optional inducer
• Designed to the following international standards:
  • ISO 13709/API 610, latest edition
  • ASME Sections VIII and IX
  • German Pressure Vessel Association (AD)
  • British Standard BS 5500
  • Pressure Equipment Directive 97/23/EC

Operating Parameters

• Flows to 3000 m³/h (13 200 gpm)
• Heads to 2000 m (6560 ft)
• Pressures to 200 bar (2900 psi)
• Temperatures from -200°C (-328°F) to 350°C (660°F)

Flanged Spacer Type Coupling permits easy maintenance of thrust bearings and mechanical seals without disturbing or removing driver.

Separate Axial Thrust Bearing Assembly designed to withstand total hydraulic thrust and rotor weight.

ISO 21049/API 682 Compliant Mechanical Seal Chamber accommodates all cartridge mounted seal designs, including: single and dual pressurized or unpressurized liquid; and gas designs.

Screen-Type Non-Sparking Coupling Guard provides safety while allowing visual inspection of coupling and mechanical seal areas.

Casing and Impeller Wear Rings feature a minimum 50 Brinell hardness difference between them. These rings prevent galling, allow economical retention of operating efficiency and maintain mechanical stability.

Operating Parameters

• Flows to 3000 m³/h (13 200 gpm)
• Heads to 2000 m (6560 ft)
• Pressures to 200 bar (2900 psi)
• Temperatures from -200°C (-328°F)  to 350°C (660°F)

Radially Split Inner Case Sub-Assembly facilitates inspection and maintenance in the field.

Tandem Impeller Design facilitates maintenance by permitting replacement of a single casing stage.

High-Strength Rigid Bearing Housings are incorporated into the WNC design.

High Shaft Diameter to Bearing Span Ratio results in low shaft deflection, thereby increasing bearing, mechanical seal and wear ring life.

Operating Parameters

• Flows to 1400 m³/h (6200 gpm)
• Pressures to 350 bar (5075 psi)
• Temperatures to 200°C (390°F)

Wrought Shafts are incrementally stepped at each impeller fit for ease of assembly.

Precision-Cast Impellers ensure optimum hydraulic efficiency and repeatability of performance.

Optional Grooved Impeller Running Fits increase the pump’s tolerance to foreign materials and desensitizes it during start-up, stopping and system transients.

Multivane Diffusers balance radial loads over the operating range, while maximizing efficiencies at the duty condition.  A continuous metal-to-metal seal between stage pieces minimizes risk of internal leakage.

Operating Parameters

• Flows to 1000 m³/h (4400 gpm)
• Heads to 2800 m (9200 ft)
• Discharge pressures to 275 bar  (3987 psi)
• Temperatures to 425°C (800°F)
• Speeds to 3580 rpm; 6000 rpm with high-speed option

Heavy-Duty Casing supports pump and motor when mounted in line. Dual volute design on larger discharge pumps minimizes radial thrust, reduces shaft deflection, and increases seal life.

Dynamically Balanced Impeller is precision cast and positively locked against rotation.

Generous Seal Cavity accommodates single, double and tandem seals.

Shaft run-out can be set on installed unit with adjustable, rigid spacer coupling, maximizing seal life.

Motor Support designed to allow back pull-out for ease of maintenance or inspection. Precision machined rabbet fit provides positive alignment between pump and motor.

Features:

• Choice of API material classes
  • S-1 Carbon steel with cast iron internals
  • S-6 Carbon steel with 12% chrome internals
  • D-1 Duplex with duplex internals
  • C-6 12% chrome with 12% chrome internals
  • S-N 316 SS with Nitronic^® internals
  • A-8 316 SS with 316 SS internals
• Operating parameters
  • Flows to 1500 m³/h (6600 gpm)
  • Heads to 300 m (1000 ft)
  • Pressures to 80 bar (1160 psi)
  • Temperatures to 400°C (750°F)

^®Nitronic is a registered trademark of AK Steel

Solid Shaft Motor includes thrust bearing to withstand the total hydraulic thrust as well as the rotor wirght.

Rigid, Adjustable Flanged Coupling provides the proper impeller clearance adjustment.

Bowls are designed with multiple diffuser vanes and flanged construction.  Bowl bearings on either side of the impeller provide rigid shaft support.

Enclosed or Semi-Open Impellers are cast to provide smooth passageways for more efficient fluid flow.

Suction Bell is designed to provide efficient fluid flow into the eye of the first stage impeller.

Operating Parameters

• Flows to 13 600 m³/h (60 000 gpm)
• Heads to 1070 m (3500 ft)
• Pressures to 100 bar (1450 psi)
• Temperatures from -45°C (-50°F) to 230°C (450°F)

Double Suction First-stage Impeller reduces NPSHR and often eliminates the need for booster units.

Double Volute Construction for both stages minimizes hydraulic loads in any service condition down to minimum flow.

API 682 Seal Chambers operate at suction pressure and allow for installation of cartridge design single, dual unpressurized and dual pressurized mechanical seals to meet safety and environmental requirements.

Shaft Options include double extension for connection to auxiliary pumps or hydraulic turbines, and special shaft end machining for hydraulic fitted couplings.

Baseplate Designs and Pump Packages engineered to contract requirements.

Dynamic Balancing and TIR Verifications on assembled rotors ensure optimum mechanical performance throughout the operating range.

Features:

• Choice of bearings
  • Ball radial and thrust
  • Sleeve radial and ball thrust
  • Sleeve radial and tilting pad thrust
  • Tilting pad radial and tilting pad thrust
• Choice of materials
  • Carbon steel
  • 12% chrome
  • Austenitic and duplex stainless steels
  • Monel
• Operating parameters
  • Flows to 2950 m³/h (13 000 gpm)
  • Heads to 685 m (2250 ft)
  • Pressures to 64 bar (910 psi)
  • Temperatures to 200°C (400°F)
  • Speeds to 2000 rpm

Casing halves are cast iron fitted with replaceable, abrasion resistant rubber liners, which are pressure molded to steel backing plates and secured to casing externally by heavy-duty studs and nuts.

Rubber Closed Impeller is pressure molded to ductile iron skeleton and includes pump-out vanes on front and rear shroud to reduce stuffing box pressure and suction recirculation.

Standard Packing Type Stuffing Box is protected by replaceable wear plate and is drilled and tapped for L5 and 2L3 lantern ring positions. Provided with full and low flow flush connections.

Features:

• Interchangeability of parts among R pump and M pump
• Concentric casing design
• Directly coupled or V-belt driven
• Acid resistant stuffing box kits
• Options
  • Hard metal expeller
  • Mechanical seal housing
  • Open and recessed impellers
• Choice of liner materials
  • Natural Rubber
  • Neoprene
  • Hypalon
  • Nitrile
  • Chlorobutyl
  • Urethane
  • Ceramic
• Operating parameters
  • Flows to 225 m³/h (1000 gpm)
  • Heads to 30 m (100 ft)
  • Pressures to 10 bar (150 psi)
  • Temperatures to 110°C (225°F), depending on material
  • Solids from 2% to 70% by weight
  • Specific gravities from 1.0 to 2.7
  • Speeds to 1780 rpm

Casing halves are cast iron fitted with replaceable, abrasion resistant rubber liners, which are pressure molded to steel backing plates and secured to casing externally by heavy-duty studs and nuts.

Rubber Closed Impeller is pressure molded to ductile iron skeleton and includes pump-out vanes on front and rear shroud to reduce stuffing box pressure and suction recirculation.

Standard Packing Type Stuffing Box is protected by replaceable wear plate and is drilled and tapped for L5 and 2L3 lantern ring positions. Provided with full and low flow flush connections.

Cast Iron Lower Bearing Housing is fitted with a rubber or urethane fluted bearing, which is contained in a rigid stainless steel shell and lubricated from an external clear liquid source.

Features:

• Interchangeability of parts among R pump and M pump
• Concentric casing design
• Directly coupled or V-belt driven
• Acid resistant stuffing box kits
• Options
  • Hard metal expeller
  • Mechanical seal housing
  • Acid resistant stuffing box kits
  • Open and recessed impellers
• Choice of liner materials
  • Natural Rubber
  • Neoprene
  • Hypalon
  • Nitrile
  • Chlorobutyl
  • Urethane
  • Ceramic
• Operating parameters
  • Pressures to 10 bar (150 psi)
  • Temperatures to 110°C (225°F) depending on material
  • Solids from 2% to 70% by weight
  • Specific gravities from 1.0 to 2.7
  • Speeds to 1780 rpm

Versatile Seal Chamber accommodates installation of cartridge-style single, dual pressurized and dual unpressurized mechanical seals to meet safety and environmental requirements.

Keyed Impeller design provides ease of maintenance.

Renewable Impeller Wear Rings enable the restoration of original clearances and promote high operating efficiency.  Casing wear rings are standard.

Line Shaft Bearings are spaced to ensure the first critical speed of the rotor is well above running speed.  Sleeves are provided under bearings for additional shaft protection.

Operating Parameters

• Flows to 25 000 m³/h (110 000 gpm)
• Heads to 500 m (1640 ft)
• Pressures to 70 bar (1015 psi)
• Temperatures from -45°C (-50°F) to 200°C (400°F)