Haight 5UR-VMS 5U Gear Pump with Viton T21 Seal and Relief Valve
The Haight 5UR-VMS 5U gear pump is a heavy-duty internal gear positive displacement pump engineered for reliable industrial fluid transfer. Built with a rugged ductile iron housing and steel internal components, this pump is designed for consistent performance in demanding hydraulic, lubrication, and process systems. It includes a built-in relief valve and a Viton T21 mechanical seal for enhanced temperature and chemical resistance.
This model delivers approximately 5 GPM flow capacity and supports self-priming operation with excellent suction performance. Its internal gear design reduces wear, minimizes noise, and ensures smooth flow handling across a wide range of viscosities. The reversible operation capability and compact pump-end design make it adaptable for OEM systems and industrial retrofits.
Commonly used in machinery, hydraulic circuits, lubrication systems, and manufacturing equipment, the 5UR-VMS is valued for durability, ease of maintenance, and long service life. Its modular design allows flexible mounting and configuration for a wide range of industrial applications.
Key Features
- Built-in relief valve for pressure protection
- Viton T21 mechanical seal for high-temperature resistance
- Ductile iron construction for industrial durability
- Self-priming internal gear design
- Reversible flow capability
- Low maintenance UniverSeal shaft system
- Handles wide viscosity range fluids
- Compact pump-end configuration (motor not included)
Applications
- Hydraulic power systems
- Industrial lubrication systems
- Machine tools and manufacturing equipment
- Petroleum and fuel transfer systems
- Automotive and heavy equipment service systems
- Chemical and process fluid transfer
- Paper, printing, and ink systems
- Construction and mining machinery
Specifications
- Pump Type: Internal gear positive displacement
- Flow Capacity: ~5 GPM
- Material: Ductile iron housing, steel gears and shaft
- Seal Type: Viton T21 mechanical seal
- Port Size: 3/4 inch NPT inlet and outlet
- Relief Valve: Built-in (UR configuration)
- Operation: Self-priming, reversible flow
- Pressure Capability: Up to industrial-rated system use
- Temperature Range: High-temp capable Viton sealing system
FAQ
Q1: What is the Haight 5UR-VMS pump used for?
It is used for industrial fluid transfer including hydraulic systems, lubrication circuits, and manufacturing processes requiring consistent flow.
Q2: What does the Viton T21 seal provide?
The Viton T21 mechanical seal offers high resistance to heat, oils, and many industrial chemicals, making it suitable for demanding environments.
Q3: Does the pump include a relief valve?
Yes, the 5UR-VMS model includes a built-in relief valve for system pressure protection.
Q4: Is the pump self-priming?
Yes, it is designed as a self-priming internal gear pump for efficient startup and operation.
Q5: Can the pump flow direction be reversed?
Yes, the internal gear design allows reversible operation depending on system setup.
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