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    Metals

    Carbon Steel in Piping Systems

    Minimum Temperature without Impact Testing for Carbon Steel Materials

    Stainless Steel in Piping Systems

    A Comprehensive Guide to Stainless Steel

    Alloy 625 piping - Introduction

    Nickel piping - Introduction

    Corrosion Resistant Overlay/Clad UNS N06625 (Inconel 625) Piping

    Copper Nickel Piping - Introduction

    Titanium piping - Introduction

    Piping Material Selection - Piping Material List with ASTM Grades

    ASTM Designations for Piping Materials

    Cast Iron Piping - Introduction

    Lined Piping

    Plastic Lined piping - Introduction

    Glass Lined Piping - Introduction

    Cement Lined Piping - Introduction

    Materials General

    Unified Numbering System (UNS)

    Piping Material Considerations for Sour Service Applications

    Guidelines for Positive Material Identification (PMI)

    Piping Materials in Piping Design

    Materials Corrosion

    Corrosion and Types of Corrosion

    What is Hydrogen Induced Cracking

    Corrosion Monitoring in Piping Systems

    Non- Metals

    CPVC piping - Introduction

    PVC piping - Introduction

    PE and HDPE piping

    FRP piping - Introduction

    RTRP (GRE GRP GRV) Piping Specification & Performance Testing

    Example-1 of RTRP Piping Class for Fire Water Piping

  • Valves
    • Valves
      • Valves General
      • Gate Valve
      • Globe Valve
      • Check Valve
      • Ball Valve
      • Plug Valve
      • Butterfly Valve
      • Diaphragm Valve

    Valves General

    Introduction to Valves in Piping Systems

    Valves - Fundamentals of Valve Design and Construction

    Valve Seat Leakage Rates as per API 598

    Valve Seat Leakage Rates Comparison

    Valve Standards - Manufacture Inspection and Testing

    API Valves - Trim Number Chart

    The Basics of Float Switches

    Industrial Valves Low Fugitive Emission (LFE) Standards Comparison

    Gate Valve

    Data Sheet for Gate Valve - Class 150 Fire Water Service

    Gate Valves - Introduction, Types, Applicable Codes and Standards

    Online Gate Valve Data Sheet Generator

    Cv Flow Coefficients of Gate Valves

    Globe Valve

    Globe Valve - Introduction

    Online Globe Valve Data Sheet Generator

    Check Valve

    Check Valve - Introduction

    Crucial Role Of Check Valves In Piping Systems

    Ball Valve

    Ball Valve - Introduction

    Cv Flow Coefficients of Ball Valve

    Standard API 6D Shell and Seat Test requirements

    DBB or DIB pipeline ball valve for Scraper Trap isolation

    Ball Valve Data Sheet - Blank Template

    Online Ball Valve Data Sheet Generator

    Minimum Bore Dimensions of Full Bore Valves

    Plug Valve

    Plug Valve - Introduction

    Butterfly Valve

    Butterfly Valve - Introduction

    Diaphragm Valve

    Diaphragm Valve - Introduction

  • Specials
    • Specials
      • Strainer
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      • Access Fitting
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      • Insulating Gasket Kit
      • Isolation Joint
      • Pipe Penetration Seal
      • Breather Valve

    Strainer

    Strainers - Introduction

    Steam Trap

    Steam Traps - Introduction

    Expansion Joint

    Expansion Joints - Overview

    Sight Glass

    Sight Glass - Introduction

    Flame Arrestor

    Flame Arresters - Introduction

    Flange Guard

    Flange Guards - Introduction

    Access Fitting

    Access Fittings - Introduction

    Pig Signaller

    Pig Signaller or Pig Detector - Introduction

    Insulating Gasket Kit

    Insulating Gasket Kit

    Isolation Joint

    Isolation Joint

    Pipe Penetration Seal

    Pipe Penetration Seal - Introduction

    Breather Valve

    Breather Valves - Introduction

  • Dimensions
    • Dimensions
      • Pipe Dimensions
      • Fitting Dimensions
      • Flange Dimensions
      • Valve Dimensions
      • Bolt Dimensions
      • Gasket Dimensions

    Pipe Dimensions

    Dimensions and Weights of Carbon Steel pipes

    Dimension and Weight of Stainless Steel pipes

    HDPE Pipe Dimensions and Weights - PE100 PN25 SDR 7.4

    HDPE Pipe Dimensions and Weights - PE100 PN20 SDR 9

    HDPE Pipe Dimensions and Weights - PE100 PN12.5 SDR 13.6

    HDPE Pipe Dimensions and Weights - PE100 PN10 SDR 17

    HDPE Pipe Dimensions and Weights - PE100 PN8 SDR 21

    HDPE Pipe Dimensions and Weights - PE100 PN6.4 SDR 26

    HDPE Pipe Dimensions and Weights - PE100 PN5 SDR 33

    Dimensions of PVC Pipes Sch40 as per ASTM D1785

    Dimensions of PVC Pipes Sch80 as per ASTM D1785

    Dimensions of PVC Pipes Sch120 as per ASTM D1785

    Dimensions of 20 bar rating Cu-Ni Pipes (Tubes)

    Dimensions of 16 bar rating Cu-Ni Pipes (Tubes)

    Dimensions and Weights of Carbon Steel pipes - Imperial

    Fitting Dimensions

    • Reducer Elbow and Cap - BW Dimensions
    • Weldolet Dimensions
    • Sockolet Dimensions
    • Thredolet Dimensions
    • Stub End Dimensions
    • Tee and Reducing Tee Dimensions
    • Socket Weld Fitting Dimensions

    Flange Dimensions

    • Weld Neck Flange Dimensions
    • Weld Neck Flange Dimensions-Series A
    • Weld Neck Flange Dimensions-Series B
    • Slip On Flange Dimensions
    • Socket Weld Flange Dimensions
    • Lap Joint Flange Dimensions
    • Threaded Flange Dimensions
    • Blind Flange Dimensions
    • Blind Flange Dimensions-Series A
    • Blind Flange Dimensions-Series B
    • Spectacle Blind RF Dimensions
    • Spectacle Blind Male RTJ Dimensions
    • Spectacle Blind Female RTJ Dimensions
    • Spades and Ring Spacer Dimensions
    • Orifice Flange Dimensions
    • API Flange Dimensions
    • Copper Alloy Flange Dimensions
    • DIN Flange Dimensions
    • Ring Joint Flange Dimensions

    Valve Dimensions

    • Gate Globe Check Valve Dimensions
    • Ball Valve Dimensions - Gear Operated
    • Ball Valve Dimensions - Lever Operated
    • Ball Valve Dimensions - Top Entry
    • Ball Valve Dimensions - Without Operator
    • Check Valve Dimensions - Dual Plate Wafer Type
    • Check Valve Dimensions - Dual Plate Lug Type
    • Check Valve Dimensions - Dual Plate Double Flanged Type
    • Check Valve Dimensions - Dual Plate Wafer Extended Body Type
    • Check Valve Dimensions - Swing Check Type
    • Butterfly Valve Dimensions - Wafer and Lugged Type
    • Butterfly Valve Dimensions - Flanged Type
    • Butterfy Valve Dimensions - Triple Offset Type
    • API 6A Valve Dimensions

    Gasket Dimensions

    • Flat Ring Gasket Dimensions
    • Full Face Gasket Dimensions
    • Spiral Wound Gasket Dimensions
    • Ring Joint Gasket Dimensions
    • Camprofile Gasket Dimensions
    • AWWA Gasket Dimensions
    • Metal Jacketed Gasket Dimensions

    Bolt Dimensions

    Stud Bolt Dimensions for Class 600 RF Flanges

    Stud Bolt Dimensions for Class 1500 RF Flanges

    Stud Bolt Dimensions for Class 2500 RF Flanges

    Stud Bolt Dimensions for Class 300 RF Flanges

    Stud Bolt Dimensions for Class 150 RF Flanges

    Stud Bolt Dimensions for Class 1500 RTJ Flanges

    Stud Bolt Dimensions for Class 600 RTJ Flanges

    Stud Bolt Dimensions for Class 900 RF Flanges

    Stud Bolts - Root Area for Metric Threads

    Stud Bolt Dimensions for Class 900 RTJ Flanges

  • Weights
    • Weights
      • Pipe Weights
      • Fitting Weights
      • Flange Weights
      • Valve Weights
      • Bolt Weights
      • Gasket Weights

    Gate Valve Weights

    • Parallel Slide Gate Valve Weights
    • Wedge Gate Valves Weights

    Ball Valve Weights

    • Fully Welded Ball Valve Weights
    • Full Bore Ball Valve Weights
    • Reduced Bore Ball Valve Weights
    • IDBB Valve Weights

    Globe Valve Weights

    Weights of Class 150 Globe valves

    Weights of Class 300 Globe valves

    Weights of Class 600 Globe valves

    Weights of Class 900 Globe valves

    Weights of Class 1500 Globe valves

    Weights of Class 2500 Globe valves

    Check Valve Weights

    • Swing Check Valve Weights
    • Wafer Check Valve Weights
    • Non-Slam Check Valve Weights
    • API 6A Swing Check Valve Weights

    Tee Weights

    Reducer Weights

    Weights of Copper Nickel (Cu-Ni) Reducers

    SW Fitting Weights

    Weights of Socket Weld Tee

    Weights of Socket Weld Couplings - Class 3000

    Weights of Socket Weld Couplings - Class 6000

    Weights of Socket Weld Caps - Class 3000 and Class 6000

    O'let Weights

    Weights of Weldolets - Sch STD

    Weights of Weldolets - Sch XS

    Weights of Weldolets - Sch 160

    Weights of Weldolets - Sch XXS

    Stub End Weights

    ASME B16.5 Flange Weights

    Weights of ASME B16.5 Class 150 Flanges

    Weights of ASME B16.5 Class 300 Flanges

    Weights of ASME B16.5 Class 600 Flanges

    Weights of ASME B16.5 Class 900 Flanges

    Weights of ASME B16.5 Class 1500 Flanges

    Weights of ASME B16.5 Class 2500 Flanges

    Weights of ASME B16.5 Class 150 Socket Weld Flanges

    Weights of ASME B16.5 Class 300 Socket Weld Flanges

    ASME B16.47 Flange Weights

    Weights of ASME B16.47 Series A Class 150 Flanges

    Weights of ASME B16.47 Series A Class 300 Flanges

    Weights of ASME B16.47 Series A Class 400 Flanges

    Weights of ASME B16.47 Series A Class 600 Flanges

    Weights of ASME B16.47 Series A Class 900 Flanges

    Weights of ASME B16.47 Series B Class 75 Flanges

    Weights of ASME B16.47 Series B Class 150 Flanges

    Weights of ASME B16.47 Series B Class 300 Flanges

    Weights of ASME B16.47 Series B Class 400 Flanges

    Weights of ASME B16.47 Series B Class 600 Flanges

    Weights of ASME B16.47 Series B Class 900 Flanges

    API 6A Flange Weights

    Weights of API 6A Flanges - Class 2000

    Weights of API 6A Flanges - Class 3000

    Weights of API 6A Flanges - Class 5000

    Weights of API 6A Flanges - Class 10000

    Weights of API 6A Flanges - Class 15000

    Weights of API 6A Flanges - Class 20000

  • Design
    • Design
      • Process Plant Layout
      • Layout Offshore Platforms
      • Safety in Design
      • Bolt Design
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      • Flange Design
      • Pipeline Design
      • Pressure Temperature Ratings
      • Piping Design General

    Process Plant Layout

    Design of Pipe Rack - Layout Considerations

    Compressor Equipment and Piping Layout

    Applying the Principles of Inherently Safer Design in Plot Plan Development

    What is a Process Flow Diagram (PFD)

    What is a Piping and Instrumentation Diagram (P&ID)

    Pump Piping Layout and Design

    What is Piping Engineering and Design

    Orifice Plates and Orifice Flanges for Flow Measurement

    Check List - Pig Launching and Receiving Stations

    Check List - Layout of Utility Areas

    Check List - Layout of Pumps Compressors and Air Coolers

    Modularization or Stick Built Design - Benefits and Risks

    Layout Offshore Platforms

    Offshore - Helideck Design Guidelines

    Offshore Plant Facilities - Layout Considerations

    Safety in Design

    Hydrogen Sulfide Gas

    Fire Fighting Equipments

    Life Saving Equipments

    Bolt Design

    Jackscrew Dimensions for Spectacle Blinds

    Recommended Bolt Torque Requirements for Class 150 Ring Type Joint Gaskets

    Recommended Bolt Torque Requirements for Class 1500 Ring Type Joint Gaskets

    Recommended Bolt Torque Requirements for Class 2500 Ring Type Joint Gaskets

    Recommended Bolt Torque Requirements for Class 300 Ring Type Joint Gaskets

    Recommended Bolt Torque Requirements for Class 600 Ring Type Joint Gaskets

    Recommended Bolt Torque Requirements for Class 900 Ring Type Joint Gaskets

    Calculation of Bolt Torque for Flanged Joint Assembly

    Recommended Bolt Torque for Class 150 SPWD Gaskets

    Recommended Bolt Torque for Class 300 SPWD Gaskets

    Gasket Design

    Can Ring Joint Gaskets be reused ?

    Gasket Design - Forces on a Gasketed Joint

    Gasket m and Y factors

    Gasket m factor

    Spiral Wound Gasket Design, Materials and Application

    Types of Ring Type Joint (RTJ) Gaskets

    Flange Design

    Threaded Flanges in Piping Systems

    Piping Flanges - Types of Flanges in Piping Systems

    Pressure Temperature Rating of ASME Flanges

    Pressure-Temperature Ratings for ASTM B148 Alloy C95200 Flanges

    Pressure-Temperature Ratings for ASTM B148 Alloy C95400 Flanges

    Pipeline Design

    Pipeline Design - Planning and Designing of Pipeline Systems

    Pipeline Pigging - Purpose, Pig Types and Procedure

    Design of Pipeline Systems - Right of Way

    Design Engineering of Crude Oil and Natural Gas Pipelines

    Pipeline Safety for Consumers Personnel and Environment

    Bitumen Pipeline Design Considerations

    Pressure Temperature Ratings

    Pressure-Temperature Ratings - Group 1.1 Materials

    Pressure-Temperature Ratings - Group 1.2 Materials

    Pressure-Temperature Ratings - Group 1.3 Materials

    Pressure-Temperature Ratings - Group 2.1 Materials

    Pressure-Temperature Ratings - Group 2.2 Materials

    Pressure-Temperature Ratings - Group 2.3 Materials

    Pressure-Temperature Ratings - Group 2.4 Materials

    Pressure-Temperature Ratings - Group 3.8 Materials

  • Stress and Supports
    • Stress and Supports
      • Stress Theory
      • Supports General
      • Support Spans
      • Spring Support
      • Snubber
      • GRE Pipe Supports
      • Structural Sections

    Stress Theory

    Modal Analysis

    Primary and Secondary Stresses in Pipes

    Stress Critical Lines

    Pipe Thermal Expansion Coefficient and Rates

    Wind Loads on Piping systems

    Acoustic Induced Vibration - AIV in Piping Systems

    Allowable Stress for Piping Materials as per ASME B31.3

    Understanding Allowable Displacement Stress Range

    When is formal flexibility analysis of piping system not required

    Calculation of Thermal Force between Two Anchors

    Thermal Expansion Coefficient for Group 1 and Group 2 materials

    Understanding Slug Flow and Slug Force in Piping Systems

    Causes of Piping Vibration and Mitigations

    Supports General

    Guidelines For Locating Supports

    Pipe Supports - Prevention of Crevice Corrosion

    Friction factor and Friction loads on piping systems

    Pipe Supports and Restraints - Types and Functions

    Support Spans

    Support span for Carbon Steel piping systems

    Support span for Copper Alloy piping systems

    Support Span for CPVC piping system

    Support Span for PVC piping system

    Pipe support span correction factors for various pipe configurations

    Spring Support

    Spring Supports

    Selection of Constant Spring Hanger Support

    Selection of Variable Spring Hanger Support

    Snubber

    Snubbers

    GRE Pipe Supports

    GRE pipe support design

    Structural Sections

    Dimensions of Steel Beams Type HEA

    Dimensions of Steel Beams Type HEB

    Dimensions of Steel Beams Type HEM

    Dimensions of Steel Beams Type IPE

    Dimensions of Steel Beams Type IPN

    Dimensions of Equal Angle Bars

  • Construction
    • Construction
      • Fabrication
      • Examination
      • Testing
      • Hot Tapping

    Fabrication

    Piping Fabrication Tolerances - Metallic Piping

    Examination

    Introduction to Non-Destructive Examination of Piping Systems

    Testing

    Procedure for Pneumatic Testing of Piping Systems

    Pneumatic Testing - Safe Distances from Stored Energy Calculations

    Piping Pipeline Preservation Mothballing: Lay-Up after Testing

    Spading List | Test Blind Log Template

    Precommissioning Check List - Example

    ASME B31.3 Leak Testing Requirements Overview

    Hot-Tapping

    Introduction to Hot Taps - Guidelines for Design and Installation

  • Calculations
    • Calculations
      • Unit Conversion
      • Pipe Wall Thickness
      • Pipe Support Span
      • Weight Calculations
      • Piping Stress Analysis
      • Construction Related
      • Flange Calculations

    Unit Conversion Calculators

    Length Conversion - Convert Length between various Units

    Pressure Conversion - Convert Pressure between various Units

    Volume Conversion - Convert Volume between various Units

    Area Conversion - Convert Area between Various Units

    Weight Conversion - Convert Weight between various Units

    Density Conversion - Convert Density between various Units

    Velocity Conversion - Convert Velocity or Speed between various Units

    Flow Conversion - Convert Flow between various Units

    Power Conversion - Convert Power between various Units

    Torque Conversion - Convert Torque between various Units

    Temperature Conversion - Convert Temperature between various Units

    Pipe Wall Thickness Calculators

    Pipe Wall Thickness Calculation for Straight Pipe under External Pressure

    Pipe Wall Thickness Calculator - ASME B31.3

    Reinforcement of Branch Connection - ASME B31.3 Calculator

    Wall Thickness Calculation of Pipes and Tubes Under External Pressure

    Pipe Wall Thickness Calculator - ASME B31.4

    Pipe Wall Thickness Calculator - ASME B31.8

    Support Span Calculators

    Allowable Pipe Support Span Calculation

    Online Calculator - Pipe Support Span for Steel Piping

    Online Calculator - Pipe Support Span for Cu-Ni Piping

    Pipe to Pipe Spacing Calculator

    Online Calculator - Pipe Deflection and Bending Stress due to Point Load between Supports

    Pipe Weight and Properties Calculators

    Pipe Weight Calculator - Steel Pipes

    Properties of Pipe Calculator - Moment of Inertia and Modulus

    Stud Bolt Weight Calculator for Piping Systems

    Flange Calculations

    ASME Flange Loading Calculation

    Spade/Blank Thickness Calculator - ASME 150-900 RF Flat Ring Gaskets

    Spade/Blank Thickness Calculator - ASME 150 RF SPWD Gaskets

    Spade/Blank Thickness Calculator - ASME 300 RF SPWD Gaskets

    Spade/Blank Thickness Calculator - ASME 600 RF SPWD Gaskets

    Stress Analysis

    Allowable Stress Values for Piping Materials - Calculator

    Forces on Pipe Bend due to Slug Flow

    Trunnion (Dummy) Support - Stress Online Calculation

    Does my Piping Need Formal Stress Analysis? ASME B31.3 Eq. (16) Calculator

    Construction Calculations

    Safe Distance and Stored Energy Calculator - Pneumatic Test

    Pipe Offset Calculator-Single Plane and Two Plane Pipe Offset

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Diaphragm Valves

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A

What are the limitations of diaphragm valves?

Diaphragm valves can be considered as positive displacement type of valves comprising of a rigid…
0 answers 0 votes 805 views
Posted  5 years  ago by  admin
Diaphragm Valves

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