2" & 3" Fig 1502 Hammer Union Seals in NBR, HNBR, and FKM

1. Product Introduction

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Our Fig 1502 Hammer Union Seals are engineered for the most demanding environments in the oil and gas industry. Specifically designed for 2-inch and 3-inch high-pressure piping systems, these seals provide a critical pressure-tight connection in Figure 1502 unions, which are rated for 15,000 PSI CWP (Cold Working Pressure).

Whether you are involved in hydraulic fracturing (fracking), cementing, acidizing, or nitrogen service, our seals ensure maximum uptime by preventing leaks and resisting extrusion under extreme flow velocities.

2. Material Comparison & Technical Selection

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We offer three primary elastomeric compounds to match your specific wellbore conditions. Choosing the right material is key to preventing premature seal failure.

3. Technical Specifications

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• Size Availability: 1", 2", 3", 4" (Specializing in 2" & 3" for Fig 1502).

• Working Pressure: Designed for 15,000 PSI (103.4 MPa) Cold Working Pressure.

• Design Type: Pressure-energized Lip Type Seal.

• Reinforcement: Optional Brass or Stainless Steel backup rings to prevent seal extrusion in ultra-high pressure applications.

• Compatibility: 100% interchangeable with standard Figure 1502 union connections used in global oilfield operations.

4. Key Features & Benefits

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• Anti-Extrusion Design: Our Fig 1502 seals feature a robust profile that maintains its shape even under rapid pressure cycling.

• Chemical Compatibility: Available in peroxide-cured compounds for enhanced stability in chemically aggressive well-stimulation fluids.

• Precision Manufacturing: Every seal is molded to tight tolerances to ensure an instant, leak-free fit within the union's seal groove.

• H2S Ready: Our FKM and specialized HNBR grades meet the requirements for Sour Service, providing safety in hazardous gas environments.

5. Common Applications

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Our hammer union seals are essential components in:

• Frac Manifolds & Discharge Lines

• Cementing & Acidizing Units

• Wellhead Flowlines

• BOP (Blowout Preventer) Control Lines

• High-Pressure Water-blast Equipment

6. Quality Assurance & Testing

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We understand that seal failure leads to costly non-productive time (NPT). Our production process includes:

• Hardness Testing (Shore A): Ensuring the correct durometer (typically 80-90 Shore A) for high-pressure resistance.

• Tensile & Elongation Tests: Verifying material toughness.

• Compression Set Testing: Ensuring the seal regains its shape for reliable long-term performance.

• Batch Traceability: Full documentation available for material properties and production dates.

7. Frequently Asked Questions (FAQ)

Q: Why use a brass ring in a Fig 1502 seal?
A: The brass ring acts as a "backup" to the rubber. At 15,000 PSI, rubber can "flow" or extrude into the gaps of the union. The brass ring stays rigid, holding the rubber in place and extending the seal's life.

Q: Can I use NBR seals for Sour Gas (H2S) service?
A: We do not recommend standard NBR for H2S service as it can become brittle. For sour service, FKM (Fluoroelastomer) is the industry standard due to its superior chemical inertness.