333 Process Fittings

Press Release:

Press Release:
Lokring Technology is pleased to announce the release of a new Low Alloy Carbon Steel Solution for Sour Service applications.

The Lokring “333*” Process Fitting is:

  1. A NACE compliant fitting material (AISA 4130 NACE Grade Carbon Steel) tested to NACE TMO-177 Method A.
  2. Qualified for use on A333 (LTCS) Piping (Charpy Impact tested to – 46º C (-50º F). 85% minimum shear)
  3. Designed with a Corrosion Allowance of 1/8th inch or 3.2mm
    Following extensive ASME Qualification Testing (Flexural Fatigue, Burst, Tensile & Torsion) Lokring has Couplings from ½” to 2” presently available and weld-free ANSI Flanges in production. They are now qualified for use on A333, A106, API5L Grade B & A53 Pipe – Schedule 40, 80 &160.

Fittings will meet the criteria of NACE MRO175 / ISO15156 and MR0103-2007 for Refineries.

Fitting Material Specification meets AISI /SAE 4130 (UNS G 41300) Low Alloy NACE Grade Carbon Steel Fittings have Blue Zinc Chromate plating to ASTM B633.

Typical Class: #150, #300, #600 & #1500

Temperature Range: -46º C (-50º F) to +204º C (+400ºF)

For more information please contact us at 333@lokring.com of see the details on our LTCS-333 Solutions page.

*Patent pending.