Warman Slurry Pump Amaris Hardware Solutions
Warman Slurry Pump Amaris Hardware Solutions
Warman Slurry Pump Amaris Hardware Solutions
Warman Slurry Pump Amaris Hardware Solutions
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Warman Slurry Pump Spare Parts Amaris Hardware Solutions
Weir Warman Slurry Pump Spare Parts

Weir Warman Slurry Pump

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The Weir Warman Slurry Pump is a world-renowned range of heavy-duty centrifugal pumps for the continuous handling of highly abrasive, dense slurries in mining and industrial processing . The family includes the iconic Warman AH® horizontal pump for heavy-duty duties; the L series for medium to lower head applications; and the SHW submersible pumps for demanding dewatering . Key features include durable metal or elastomer liners, high-efficiency impellers, and a modular design for easy maintenance. Suitable for mining, mineral processing, cement, and industrial applications. 
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Description

Table of Contents

Weir Warman Slurry Pump

PRIMARY USES

1. Heavy-Duty Slurry Handling in Mining and Mineral Processing
Primary Use: A range of heavy-duty centrifugal slurry pumps engineered for the continuous pumping of highly abrasive and dense slurries in the most demanding mining and mineral processing applications. Essential for handling cyclone feed, flotation, regrind, and tailings, the Warman pump family is the world’s standard for slurry handling.
How it helps: For mining, mineral processing, and heavy industry, the Warman slurry pump provides exceptional wear life and maintains efficiency throughout the wear cycle, delivering a low total cost of ownership. Its robust, heavy-duty construction and versatile configurations provide reliable performance in the harshest operating environments.
2. Key Design Features for Reliability and Long Life
Primary Use: The pumps are designed with a focus on durability, serviceability, and performance. Key features include ductile iron fully lined casings, thick elastomer or metal bolt-in liners, and large, slow-turning, high-efficiency impellers.
How it helps: The heavy-duty through-bolt design simplifies maintenance and reduces downtime. The large, open internal passages reduce internal velocities, maximising wear life . The cartridge-style bearing assembly allows for maintenance in a clean environment without removing the pump from the system, ensuring reliable operation and prolonged bearing life .

SECONDARY USES

1. Froth Handling: The Warman AHF, LF, and MF models are specifically designed for pumping froth and viscous slurries with fine particles, featuring flow inducer impellers and optional Continuous Air Removal Systems (CARS) to eliminate air-locking .
2. Submersible and Sump Pumping: The Warman SHW series provides reliable, heavy-duty submersible pumping for demanding dewatering and sump applications, including tailings, red mud recovery, and clarifier sludge .
3. High-Pressure Applications: Certain models (e.g., AHP/AHPP series) are designed for multi-stage high-pressure operations up to 1000 psi .
4. Cement and Aggregate: Widely used in cement manufacturing and aggregate processing to handle abrasive slurries .
5. Pulp and Paper: Employed for pumping abrasive and corrosive liquids found in the pulp and paper industry .
KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

  • Device Type: Heavy-duty centrifugal slurry pump; not a medical device.
  • Brand: Weir, WARMAN®
  • Product Series: Warman® AH®, L, M, SHW, AHF, MC, etc.
  • Design Standards: ANSI/HI 12.1-12.6, ISO 9001, CE Certified .
  • Country of Origin: Not specified.

2. MODEL AND SERIES SPECIFICATIONS

Model/Series
Designation & Key Features
Applications
Warman® AH®
The world's standard for heavy-duty slurry pumping. Through-bolt design, ductile iron lined casing, high-efficiency impellers, and thick elastomer or metal liners.
Cyclone feed, flotation, regrind, tailings, hydrotransport, and highly abrasive slurries.
Warman® L
Designed with higher efficiency impellers, providing an attractive lower-cost option while maintaining the proven AH® design features.
Medium to lower head duties, with the 3/4" model suitable for lab or demonstration plants.
Warman® SHW
Rugged heavy-duty submersible pump engineered for solids handling in abrasive slurry and acidic applications. Features a vortex design, recessed impeller, and a double mechanical seal .
Sump clean-up, tailings, red mud recovery, clarifier sludge, seawater/sand slurry, thickener drain, and fly ash sump applications .
Warman® AHF, LF, MF
Designed specifically for pumping froth and viscous slurries. Features flow inducer impellers and the Continuous Air Removal System (CARS) for handling aerated slurries .
Froth and viscous slurry applications requiring low flow/high total head (AHF) or higher flow/lower total head (MF/LF) .
Warman® MC
Engineered for severe mill circuit duties and aggressive slurry applications (Service Class 3 & 4) .
Ball and SAG mill discharge and cyclone feed applications in mineral processing plants .

3. TECHNICAL & PERFORMANCE PROPERTIES

  • Primary Action: Pumps fluid by imparting kinetic energy via a rotating impeller.
  • Principle of Operation: Centrifugal pumping.
  • Size Range: Discharge sizes vary widely:
    • AH® Series: 1.5" to 40" .
    • L Series: 2" to 22" .
    • SHW-R: 2" to 6" .
    • SHW (Standard): 2" to 12" .
  • Capacity & Head: Varies by model and size:
    • AH®: Capacities to 80,000 gpm, Heads to 205 ft .
    • L: Capacities to 20,000 gpm, Heads to 120 ft .
    • SHW-R: Capacities to 2,000 gpm, Heads to 175 ft .
    • AH® High-Pressure: Pressure to 500 psi .
    • AHP/AHPP: Multi-stage to 1000 psi .
  • Materials of Construction: Designed for high wear and corrosion resistance, using:
    • High Chrome Iron (e.g., Ultrachrome® A05): Used for impellers and casing liners in highly abrasive applications .
    • Elastomer (Rubber): Used for impellers and liners, providing excellent corrosion resistance and resilience in abrasive/corrosive applications .
    • Ductile Iron: Used for the outer casings to provide strength and safety .

4. PHYSICAL & OPERATIONAL PROPERTIES

  • Design Configuration: Horizontal and submersible configurations are available.
  • Wet End Design: Features fully lined casings with thick elastomer or metal bolt-in liners for easy replacement and extended wear life .
  • Impeller Design: Large diameter, slow-turning, high-efficiency impellers designed for maximum wear life. Some models use recessed vortex impellers for handling large solids and air .
  • Bearing Assembly: Cartridge-style bearing assembly allows for maintenance without pump removal, ensuring prolonged bearing life and reliable operation .
  • Shaft Sealing: Offers a range of options, including full flush, low flow, dry-running centrifugal seals, and mechanical seals, to minimize water usage and operating costs .

5. SAFETY & COMPLIANCE ATTRIBUTES

  • Safety Classification: Industrial pump; not a medical device. Standard industrial safety measures apply.
  • Compliance: Meets Hydraulic Institute Standard ANSI/HI 12.1-12.6 and is ISO 9001 and CE certified .
SAFETY HANDLING PRECAUTIONS

1, SAFETY PRECAUTIONS

Personal Protective Equipment (PPE): Always wear appropriate PPE, including safety goggles, hearing protection, and heavy-duty gloves when operating or maintaining the pump.
Operational Safety: Pumps are designed for heavy-duty continuous operation. Ensure the pump is correctly installed and operated within its specified pressure and temperature limits (1-100°C) . Never operate the pump dry, as this can cause rapid wear or catastrophic failure of the mechanical seal.
Maintenance: Always isolate and lock out the pump from its power source before performing any maintenance or inspection work. Beware of hot surfaces and high-pressure fluids.
Training requirement: Operators and maintenance personnel must be properly trained on the specific Warman pump model's safe operating and maintenance procedures.

2. FIRST AID MEASURES

Eye Exposure: If pumpage splashes into the eyes, flush immediately with plenty of clean water for at least 15 minutes, holding eyelids open. Seek medical attention.
Skin Contact: Wash exposed skin with soap and water. If irritation develops, seek medical attention. Pumped slurries may contain hazardous chemicals.
Inhalation: If mist or fumes are inhaled, move to fresh air. If symptoms persist (coughing, difficulty breathing), seek medical attention.

3. FIRE FIGHTING MEASURES

Flammability: The pump is not flammable, but the electric motor (or diesel engine) and some pumped materials may be. Use appropriate extinguishing media based on the material on fire.
Extinguishing Media: Use water spray, foam, dry chemical powder, or carbon dioxide (CO₂) for electrical fires involving the motor or control panel.
Fire Response: In the event of a fire, evacuate the area and call emergency services. Use appropriate extinguishers.

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