A7 PUMP
Reliability and Waterless Sealing for Tough Chemical Applications
The Wilfley A7 pump meets and exceeds ANSI B73.1 standard. Its robust design, reliable seal, and metallurgy offer an unmatchable solution for demanding industrial and mining applications.
Main Benefits
- Waterless Sealing Technology
- Leakless seal operation
- Operational abuse tolerant
- Product dilution eliminated
- Wear resistance material of construction
- Heavy-Duty construction
- Reduces maintenance cost and maximizes production time through increased mean tiem between maintenance (MTBM)
- Excelent Solids handing capabilities
- Longer L10 bearing life
Main Applications
- Clean and contaminated liquids
- Abrasive and corrosive applications
- Crystalizing solutions
- Uploading and downloading
- Highly realiable equipment applications
- Viscous liquids
Key Characteristics
Capacities:
Flows up to 5,000 gpm (1,136 m3/hr)
Heads:
Head up to 700 ft (213 m)
Max Working Pressure:
350 Psig (24 Bar)
Max Temperature:
400 °F (205°C)
Discharge Sizes:
From 1″ (25 mm) to 8″ (203 mm)
Heavy duty case design with 150 lb. flanges
(300 lb. flanges available)
Comprehensive Hydraulics
Available to meet your needs
Pressure / temperature balance holes
Opti-expeller
Provides superior dynamic sealing with zero operational leakage
Solidlock® seal
Engineered for reliable static sealing
Seal wash out capability
Robust shaft with L3/D4 ratios
Minimized deflections and increases seal life and relability
Frame bracked
Designed to protect bearing unit from pumpage (duplex stainless steel optional)
Convenient lifting point
Large sight glasses
On both sides to easy verify oil level
303SS labyrinth seals
Prevent oil contamination
Easy clearance adjustment
Via external adjustment bolts
Waterless Sealing: Wilfley’s Technological Advantage
The Wifley Waterless Seal Technology is proven design combining a dynamic and static seal, that excels in demanding applications and is trusted by companies all over the world.
Materials Options
- Duplex Stainless Steels
- Austenitic Stainless Steels
- Nickel Alloys
- High-Chrome Hard Irons
Seal Options
- Wilfley Waterless Seal Technology
- Expeller with Packing
- Mechanical Seal
- Solidlock
- Drylock II and III
A7 Chemical Pump Performance Range Capacities
A7
Frame 1
A7
Frame 2
A7
Frame 3
A7
Frame 4
Precision Engineering, Proven Reliability
The A7 pumps on the right are located in the Dominican Republic in an alcohol manufacturing plant. The Wilfley Waterless Seal Technology eliminates product dilution which saves money and increases alcohol production in this facility.
Contact Wilfley for detailed specs, case studies, pricing and customized solutions along with answers to all your questions. We are here to help you have the best options for your unique situation and operating budget.
