A flanged flow straightening insert designed to enhance flow uniformity in pipelines by incorporating vaned flow conditioning. Constructed from durable Type 316L stainless steel, it features certified designs, hydraulic laboratory approval, and precise ASME-compliant flange patterns for reliable performance.


1. General Requirements
1.1. Flow Straightening Insert Design

  • The flow straightening insert shall provide vaned flow conditioning to straighten and optimize flow.

1.2. Certified Drawings

  • Submit a certified drawing for the insert for review with the pump submittal.
  • Include the following details:
    • Dimensions
    • Material specifications
    • Welding and assembly details
    • Flange details

2. Design Approval
2.1. Hydraulics Laboratory Approval

  • The insert design must be approved by a nationally recognized hydraulics testing laboratory.

3. Design Criteria
3.1. Insert Dimensions

  • Minimum Insert Length: Equal to three times the grid length.

3.2. Grid Spacing

  • Spacing varies based on pipe diameter and maximum flow rate.
    • Maintain a maximum velocity of 7 feet/second.
    • Head loss coefficient (K): 0.70.

3.3. Construction

  • Material: Type 316L stainless steel.
  • Thickness: Determined by the design engineer based on application requirements.
  • Flange Bolt Hole Drilling Pattern: Compliant with ASME B16.5 Class 150 standards.

4. Materials
4.1. All components of the insert shall be fabricated from Type 316L stainless steel.

5. Approved Manufacturers
5.1. The following manufacturers are approved for the flanged flow straightening insert:

  • Flow Optimizers, LLC
  • Or Engineer-Approved Equal