An Inlet Floor Cone designed to optimize flow into pumps with suctions of 16 inches (400 mm) and larger. The cone features certified drawings, hydraulic laboratory-approved designs, durable Type 316L stainless steel construction, and a precision passivated finish for enhanced performance and longevity.
1. General Requirements
1.1. Inlet Floor Cone Design
- The pump manufacturer shall provide an Inlet Floor Cone for each pump with a suction of 16 inches (400 mm) and larger.
1.2. Certified Drawings
- Supplier to provide a certified drawing for review with the pump submittal, including:
- Dimensions
- Weight
- Welding requirements
- Material designations
- Material thicknesses
- Flange details
2. Design Approval
2.1. Hydraulics Laboratory Approval
- The Inlet Floor Cone design must be approved by a nationally recognized hydraulics testing laboratory.
2.2. Physical Hydraulic Modeling
- For pump sizes larger than 16 inches (400 mm), the design must be based on physical hydraulic modeling by a nationally recognized hydraulics laboratory.
3. Design Criteria
3.1. Key Dimensions
- Diameter: To be specified
- Height: To be specified
- Triangles: To be specified
- Straightening Vanes: To be specified
- Baseplate Diameter: Round or octagonal, as required
3.2. Anchor Bolt Details
- Bolt Size: To accommodate ½-inch anchor
- Hole Diameter: 9/16 inch
- Location: 4 holes, 1 inch from the edge
4. Materials
4.1. All components, including the baseplate, vanes, and triangles, shall be fabricated from Type 316L stainless steel with a minimum thickness of ¼ inch.
5. Welding
5.1. All pieces shall be continuously welded with a 1/8-inch weld bead.
6. Passivation Finish
6.1. Surface Preparation
- Bead blast all surfaces for a uniform finish.
6.2. Cleaning and Passivation
- Wash using Dawn dishwashing soap.
- Passivate all surfaces with a mild solution of 10% citric acid and water, applied via wipe.
7. Approved Manufacturers
7.1. The following manufacturers are approved for the Inlet Floor Cone:
- Flow Optimizers, LLC
- Or Engineer-Approved Equal