Greaseless frac gate valves are designed for demanding high-pressure fracturing applications where reliability, operational efficiency, and reduced routine maintenance are critical.

During frac operations, valves are exposed to high pressure, abrasive proppant, repeated cycling, and challenging field conditions. A greaseless design can help reduce routine lubrication requirements during operation, simplify maintenance procedures, and minimize service interruptions between stages.

Why Greaseless Design Matters

Conventional frac valves may require frequent lubrication during operations. A greaseless valve is designed to operate through multiple frac stages without routine grease injection, helping crews reduce maintenance time and improve operational efficiency.

Actual maintenance intervals depend on operating pressure, fluid conditions, proppant concentration, cycle count, valve configuration, and the manufacturer’s inspection and recertification requirements.

Key Design Features

Important features may include:

• Full-bore flow path
• Metal-to-metal gate and seat sealing
• Bi-directional sealing
• Pressure-energized sealing components
• Protection against sand and particle intrusion
• Manual, pneumatic, or hydraulic operation
• Configurations for high-pressure frac service

Typical Applications

Greaseless frac gate valves may be used in:

• Frac wellheads and frac trees
• Zipper manifolds
• High-pressure frac manifolds
• Pressure-control systems
• Large-bore frac equipment

Selecting the Right Valve

Valve selection should be based on bore size, working pressure, temperature class, material class, product specification level, performance requirement, connection type, actuation method, and expected operating conditions.

Technical drawings, material records, testing documentation, and qualification documents should be reviewed before the valve is approved for a specific application.

How AHT Can Support Your Project

AHT International Trading provides Texas-based commercial support and technical-document coordination for high-pressure valve and wellhead applications.

Contact our team to discuss your operating requirements, documentation needs, and delivery schedule.