NS Series Non-Clog, Solids Handling Pumps

Product catalog summary

NS Series Non-Clog, Solids Handling Pumps Overview
The NS Series pumps are engineered for heavy-duty applications in wastewater services, capable of handling non-corrosive liquids with soft solids. They are ideal for municipal and industrial wastewater treatment, food processing, and stormwater runoff.

Design Features

Sealing Flexibility: Offers multiple sealing options including packing, double mechanical seal, cartridge mechanical seal, and EQUISEAL™ dynamic seal.
Universal Stuffing Box: Allows easy conversion of shaft sealing methods in the field.
Back Pull-Out Design: Facilitates maintenance without removing the casing from piping.
Heavy-Duty Bearings: Ensures superior bearing life.
Externally Adjustable Rotating Assembly: Simplifies renewal of operating clearances and pump efficiency.
Clean-Out Port: Standard on casing for easy inspection and access to the impeller.
Mounting Flexibility: Available in several horizontal and vertical arrangements.
Discharge Flexibility: Tangential discharge design for easy passage of solids, with a rotatable discharge nozzle.
Non-Clog Impellers: Designed to pass large, soft solids efficiently.
Tapered Shaft: Reduces vibration and eases disassembly.
Suction Cover Wear Plate: Made of hardened stainless steel to protect against erosion.

Proven Installations
NS Series pumps have been successfully installed worldwide in various applications, including primary influent service and digester service.

Hydraulic Coverage
The pumps offer a wide range of capacities and heads, suitable for different operational requirements.

Sealing and Impeller Options

EQUISEAL™ Dynamic Seal: Eliminates the need for packing and mechanical seals, conserving water and reducing costs.
Shearpeller™: Available for pumps up to 8 inches, made of high-impact stainless steel for handling fluids with high suspended solids.
Impeller Wear Ring: Protects against erosive wear and is easily replaceable.

Installation Flexibility

Horizontal and Vertical Mounting: Various configurations available for different installation needs.
Full Pedestal, Foot Mounted, Half Pedestal, PEG Mount, Tri-Base Mount: Different mounting options to suit specific applications.

Materials of Construction
The pumps are constructed using durable materials such as cast iron, ductile iron, and stainless steel, ensuring longevity and reliability in harsh environments.

Dimensions and Specifications
The document provides detailed dimensions and specifications for various models, ensuring proper selection and installation.

Specifications
The document provides detailed specifications for various pump models, including dimensions for suction and discharge, denoted in inches and millimeters. It is noted that these dimensions should not be used for construction or installation purposes. Pumps are available in right-hand (CW) or left-hand (CCW) rotation with different discharge positions.

Product Repair and Services
The document outlines services related to the repair of all types and brands of rotating equipment. This includes service center repair, field service, parts supply, and reliability improvement through inventory management, replacement/exchange, turnkey repair/installation, and training.

Optimization of Assets
Services offered include predictive analysis, condition monitoring, root cause failure analysis, pump and system assessments, upgrades (mechanical and hydraulic), maintenance management, and contract maintenance. The document emphasizes technical expertise, fast turnaround, factory-trained service personnel, and emergency service availability 24/7.

PUMPSMART® Control Solutions
This section highlights the benefits of PUMPSMART® control solutions, which include simplicity, reliability, safety, improved control, reduced operating costs, and flexibility. The system is designed to enhance pump control and protection, extend pump and seal life, improve process control, and reduce energy and maintenance costs.

Additional Information
The document mentions that the company is ISO and safety certified, and provides global service through PRO Service Centers. It also includes a reference to the company's website for further information.

Catalog excerpts

NS Series Non-Clog, Solids Handling Pumps-1

September 2004 NS Series Non-Clog, Solids Handling Pumps

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NS Series Non-Clog, Solids Handling Pumps-2

NS SERIES Heavy-duty Design Features for Tough Wastewater Services EXTERNALLY ADJUSTABLE ROTATING ASSEMBLY Permits easy renewal of critical operating clearances and pump efficiency. HEAVY-DUTY BEARINGS For superior L10 bearing life. BACK PULL-OUT DESIGN Eliminates the need to remove casing from piping. SEALING FLEXIBILITY A wide range of sealing options are available to suit the application including packing, double mechanical seal, cartridge mechanical seal, or EQUISEAL™ dynamic seal. UNIVERSAL STUFFING BOX Accepts packing or mechanical seals. Makes converting shaft sealing methods in the field...

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NS Series Non-Clog, Solids Handling Pumps-3

DISCHARGE FLEXIBILITY Tangential discharge for passing solids easily without clogging the nozzle. Discharge nozzle can be rotated to any one of eight positions to suit the piping layout. CASING CONNECTIONS All vent, drain, and gauge connections are standard on A-C non-clog pumps. NON-CLOG IMPELLERS Available in either clockwise or counterclockwise rotation. Designed to pass large, soft, solids with maximum efficiency and without clogging. TAPERED SHAFT Tapered shaft/impeller fit will not loosen and hence reduces vibration. Also makes disassembly much easier than straight shafts. CONTOURED IMPELLER...

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NS Series Non-Clog, Solids Handling Pumps-4

Proven Worldwide Installations NS Series pumps are designed to handle wastewater and other non-corrosive liquids with soft solids in suspension. Typical applications include municipal and industrial wastewater treatment, food processing, and storm water run-off. Model NSWV with Tri-base on RAS service. Model NSWV pumps with PEG base installed in a sewage treatment plant in Florida. 54" WSYV pumps in primary influent service. Each pump rated for 69,500 gpm. 24" Model NSSE pumps handling wastewater in Florida. 16" NSY unit on digester service. 4

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NS Series Non-Clog, Solids Handling Pumps-6

Sealing Flexibility EQUISEAL™ Dynamic Seal ■ Packing and expensive mechanical seals are eliminated ■ Seal flush is not required thus conserving water and eliminating retreatment costs ■ No metal-to-metal rubbing parts and no critical operating clearances means significantly longer life than other sealing methods ■ Static seals prevent leakage when pump is not operating ■ Packed or mechanically sealed pumps can be easily converted in the field Double Mechanical Seal Packing *Can be used without any external flush. Contact factory with application details. SpiralTrac™ is a registered trademark...

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NS Series Non-Clog, Solids Handling Pumps-7

Installation Flexibility Horizontal Vertical Half Pedestal ■ Pump mounted vertically on cast or fabricated half pedestal ■ For use with intermediate drive shafting ■ Prevents expensive motor damage during flooding Full Pedestal ■ Pump mounted vertically on cast or fabricated pedestal for direct motor drive ■ Compact footprint requires less space to install Foot Mounted ■ Pump mounted horizontally on fabricated steel channel baseplate with motor and OSHA guarded coupling PEG Mount ■ Pump mounted vertically on fabricated PEG base for direct motor drive ■ Eliminates natural frequencies encountered...

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NS Series Non-Clog, Solids Handling Pumps-9

100 Model NSY/NSYV 134 Features • Horizontal and vertical mounting • Regreasable anti-friction bearings • Packing, mechanical seal, or EQUISEAL™ Dynamic Seal available • Other metallurgies, including stainless steels, available upon request • Bottom suction mount available 228 333 107 184 123 332 122 136 112 165 304 176 168 241 119 126 412 182 132 106 105 101 Materials of Construction Item No. Cast Iron 2 - 3% Nickel Cast iron 100 Casing Part Name Cast Iron (ASTM A48 Class 30) 2 - 3% Ni-Cast iron (ASTM A48 CL. 35B W/ 2-3% Nickel) 101 Impeller 2 - 3% Ni-Cast iron (ASTM A48 CL. 35B W/ 2-3% Nickel)...

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NS Series Non-Clog, Solids Handling Pumps-11

PRO ServicesTM...Extending Equipment Life Product Repair (all types and brands of rotating equipment) PRO Service Centers: • Service Center Repair • Field Service • Parts Supply Worldwide...Wherever You Need Us. Reliability Improvement • • • • Inventory Management Replacement / Exchange Turnkey Repair / Installation Training Optimization of Assets • Predictive Analysis / Condition Monitoring • Root Cause Failure Analysis • Pump & System Assessments • Upgrades - Mechanical & Hydraulic • Maintenance Management / Contract Maintenance • • • • • • Technical Expertise Fast Turnaround Factory Trained...

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