Oillinko

Quality & Compliance

Review the evidence required for each item. Applicable standards, editions, inspection and documentation must be confirmed for the proposed order.

Industrial refinery at night

Material certification

Confirm the required material certificates and traceability for each item, including EN 10204 Type 3.1 where specified, and review the evidence against the order requirements.

Hydrostatic testing

Agree applicable pressure and leak testing, acceptance requirements and reporting before accepting the proposed supply. Testing must be supported by the records required for the order.

Weld compliance

Confirm applicable welding procedures, qualifications and records with the proposed supplier, including ASME Section IX where specified for the order.

Dimensional verification

Define applicable dimensional standards, tolerances, inspection scope and records for the quoted items before order approval.

Standards to confirm for your project

ANSI B16.5

Pipe flanges and flanged fittings — dimensions and pressure ratings

ANSI B16.9

Factory-made wrought butt welding fittings

API 601 / ASME B16.20

Metallic gaskets for pipe flanges — spiral wound

API 5L

Line pipe for oil and gas transmission

API RP 2201

Safe hot tapping practices in petroleum and chemical industries

ASME B31

Pressure piping code — reinforcement and design

ASME Section IX

Welding qualifications for welders and procedures

ASTM A105

Carbon steel forgings for piping applications

ASTM A234-WPB

Carbon steel pipe fittings for moderate and high temperature

ASTM A516 Gr. 70

Carbon steel plates for pressure vessels

ASTM A193 Gr. B7

Alloy steel bolting for high temperature service

ASTM A194 Gr. 2H

Carbon steel nuts for high pressure service

ANSI B18.2 / B1.1

Bolt and nut dimensions and unified threads

EN 10204 Type 3.1

Material test certificates — inspection certificate 3.1

Oil refinery illuminated at night

Have a Bill of Quantities ready?

Send your BOQ or equipment list to request offers for review against your specifications. Availability, supporting evidence and commercial terms need confirmation before an order is agreed.