Precision Engineered Hammer Union Seals for Flow Control
Product Overview
Our Precision Engineered Hammer Union Seals are designed to provide an airtight, leak-proof barrier in high-pressure fluid handling systems. These seals are critical components for maintaining flow control integrity in the most demanding oilfield and industrial environments. Manufactured with strict adherence to dimensional tolerances, our seals ensure a perfect fit in standard union grooves, preventing pressure loss and protecting equipment from erosion and fluid bypass.
Core Performance Features
Dimensional Precision: Engineered to exact tolerances to ensure consistent sealing performance across various "Figure" configurations.
Enhanced Flow Dynamics: Designed to minimize turbulence and fluid resistance at the union connection point.
High-Pressure Stability: Built to withstand rapid pressure cycles and maintain structural integrity under extreme loads.
Anti-Extrusion Design: Robust material properties prevent the seal from migrating or deforming under high hydraulic stress.
Material Comparison & Selection Criteria
The efficiency of a flow control system depends heavily on selecting the correct seal material. We provide various high-grade elastomers tailored for specific media:
1. NBR (Nitrile):
Best for: Standard water, oil, and mud service.
Advantages: Excellent abrasion resistance and high elasticity for general-purpose applications.
2. HNBR (Hydrogenated Nitrile):
Best for: Applications involving H2S (Sour Gas) and high-strength requirements.
Advantages: Superior thermal stability and resistance to oil-based fluids at high temperatures.
3. FKM (Fluorocarbon):
Best for: High-temperature operations and aggressive chemical flow.
Advantages: Exceptional resistance to heat, ozone, and a wide array of chemicals and solvents.
4. PTFE (Polytetrafluoroethylene):
Best for: Maximum chemical compatibility and low-friction requirements.
Advantages: Chemically inert and capable of handling extreme cryogenic or high-heat media.
Technical Specifications
Our flow control seals are rated for high-performance service in critical pressure piping:
1. Seal Sizes: 1", 2", 3", 4", and accept custom sizes
2. Working Pressure Range:
Standard Service: 1,000 to 5,000 PSI
High-Pressure Service: 6,000 to 15,000 PSI
Specialized Service: Up to 20,000 PSI (available for specific configurations)
3. Temperature Range:
NBR: -30°C to +100°C (-22°F to +212°F)
HNBR: -40°C to +150°C (-40°F to +302°F)
FKM: -20°C to +200°C (-4°F to +392°F)
Application Scope
These precision seals are utilized globally in flow control and fluid transfer applications, including:
1. Hydraulic Fracturing: Managing high-velocity sand and fluid slurries at high pressure.
2. Drilling & Exploration: Mud manifold systems and standpipe sealing.
3. Well Completion: Cementing and acidizing flowlines.
4. Flowline Maintenance: Temporary pipework for well testing and fluid recovery.
5. Industrial Processing: High-pressure chemical and water transfer lines in refineries and plants.
Compatibility & Standardization
Our seals are designed to be fully interchangeable with industry-standard hammer union configurations. We support the following "Figure" numbers for flow control:
High Pressure: Fig 602, Fig 1002, Fig 1502.
Severe & Sour Service: Fig 2202.
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