Grayloc® Universal Ball Joints
Add flexibility to piping spools in static and dynamic applications with our high integrity connectors.
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.
*Formerly the SMX International Universal Ball Joint
Compensate for pipe misalignment and movement
Accommodate thermal expansion
Reduce pipe stress
Easy Integration and Superior Performance
Shipped factory hydrotested, pre-torqued, and ready for welding, our Universal Ball Joints incorporate a reliable high-temperature, high-pressure Graphoil® seal. Flexi-ball and uni-ball configurations are easily integrated to meet your diverse needs.
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|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)|
|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|
|Injection port||Type 316 stainless steel, 4140 low-alloy steel, or Inconel 718|
|External coating||Per customer 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|
Custom-fabricated expansion arms suitable for thermal oil extraction applications.
Flanged universal ball joints alleviate onsite alignment concerns.