Grayloc® Universal Ball Joints
Grayloc Universal Ball Joints* provide secure, flexible connections between pipes and support the transfer of high temperature and high pressure process fluids across your operations. Our flexi-ball and uni-ball configurations ensure ease of maintenance while protecting the integrity of your piping systems.
Product Variations
ApPLICATIONS
- Angular Misalignment
- Marine Loading Piping Systems
- Pipe Movement
- Solar Energy Piping Systems
- Storage Tank Settlement
- Subsea
- Thermal Expansion in Piping Systems
- Thermal Oil Extraction
Material Properties
- Body Nickel alloy, carbon, low-alloy, stainless, and duplex stainless steels
- Ball Nickel alloy, carbon, low-alloy, stainless, and duplex stainless steels
- Ball coating Contact Grayloc® Products- Packing Graphoil®
- Injection port Type 316 stainless steel, 4140 low-alloy steel, or Inconel 718
- External coating Per customer specifications
Technical Data
- Nominal pipe size (NPS): 1 to 24 in
- Design pressure rating: Suitable for ANSI Class 150 up to 10,000 psig
- Hydrostatic test pressure: 1.5 times design pressure rating rounded up to nearest 25 psig
- Design temperature range: Up to 1,000°F (556°C)
Document Downloads
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Applicable Design Codes, Standards, and Specifications
- ASME B31.1, Power Piping- ASME B31.3, Process Piping
- ASTM F1298, Standard Specification for Flexible, Expansion-Type Ball Joints for Marine Applications
- API 6FA, Specification for Fire Test for Valves - ISO 9001: 2008