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4130 API Studded Cross

RBV Energy manufacture and supply 4130 API 6A 4-way studded crosses in various combinations of API flange size designations and lengths. Studded blocks can be provided with a stainless steel or inconel inlay to the ring groove for added protection against corrosion. They are supplied with B7/2H stud bolts and nuts as standard.

API size designations (inches)

1 13⁄16,
2 1⁄16,
2 9⁄16,
3 1⁄16,
4 1⁄16,
5 1⁄8

Max working pressures

5,000psi, 10,000psi, 15,000psi, 20,000psi

Product specification level (PSL)

PSL 3 as standard

Temperature ratings

L to U as standard (-46°C to 121°C) . Elevated temperature classes X (180°C) and Y (345°C) also available.

Material classes

DD as standard, others available.