Centrifugal Pump Piping Design Layout

Layout arrangement for Centrifugal Pump Piping 1.  GENERAL The design of a piping system can have an important effect on the successful operation of a centrifugal pump. Such items as pump design, suction piping design, suction and discharge pipe size and pipe supports must all be carefully considered. A typical horizontal centrifugal pump installation is illustrated in Fig.CPP1, CPP2, CPP3. ...

Read More »

Special Pipe Supporting Cases

SPECIAL SUPPORTING CASES: Few special supporting cases near pumps, tall vessels and exchangers are described as follows: Case – 1: To avoid loading of suction nozzle due to control valve weight, which is nearby, if we provide a trunnion (non insulated as per normal practice) to take weight of control valve, then during operation such nozzle will move up and ...

Read More »

Spring Support Used in Piping

Table of contents: 1. Why to use a Spring Support 2. Types of Spring Supports 3. Terminology 4. Variable effort spring 5. Types of VES/CES 6. Selection of Variable effort spring 7. Constant effort spring 8. Selection of Constant effort spring 9. General notes and guidelines 10. Points to remember 11. Offshore applications 12. Spring vendors Spring Support 1. Why ...

Read More »

Classification of Pipe Supports Based on Details, Constructions and Functions

Classification of Pipe Supports Broadly the pipe supports are classified in three groups as per following details / functions: – General details – Construction details – Functions ie. Purpose These are described below in brief. 1. Pipe Supports Classification as per General Details: A pipe line needs to be supported from a foundation or a structure. The piping loads will be ...

Read More »

Purpose of Pipe Supports

Purpose of Pipe Supports: 1.    Introduction The Piping Profile in general can be considered as a complex and rigid piping network consisting of various piping components, which have different diameters and weights. At the same time the above network is also subjected to temperature change while switching from installed to operating condition (and visa versa) resulting into its thermal growth ...

Read More »

Additional Technical Requirements for Pipes & Fittings

Additional Technical Requirement for Pipes & Fittings Along with the technical requirements for the piping components, the requisition engineer has to include the inspection & testing, marking & colour coding and packing & preservation requirements in the inquiry requisition. Requisition engineer has to collate all the inspection &testing requirement for the piping components from the project specification & finalize the ...

Read More »

Technical Requirements for Pipes & Fittings

Technical requirements for Pipes & Fittings While preparing the inquiry/purchase requisition of any piping component there are many points which are to be checked and confirmed with the vendor. It is the responsibility of the requisition engineer to include all the technical points & clauses applicable to the piping components in the inquiry & the subsequent technical queries. The requisition ...

Read More »

Requirements for Fasteners and Gaskets

Requirements for Fasteners The diameters and lengths of stud bolts shall conform to standards ASME B16.5 (for flanges 24” and smaller), ASME B16.47 Series A/MSS SP 44 (for flanges 26” and larger) and ASME B18.2.1. For stud bolts the diameter shall be specified in inches and lengths in millimeters. All nuts shall be of heavy hexagonal type and shall be ...

Read More »

Piperack or Bridge Design Flow Chart

Piperack or Bridge design flow chart The process of designing a piperack or bridge involves a lot of consideration and co-ordination between different groups in the project. The major groups involve in the development of the piperack or bridge is layout, stress & structural. The initial study begins with layout group which gives the input in the form of 2D ...

Read More »