Questionnaire
To choose the right pig or require for pigging,following specification and data are essential.


Pipe specifications:

• Outside diamerer
• Inside diameter
• Wall thickness
• Length
• Pipe material
• Other details such as Dual diameter and mountainous condition

Type and quantity of pigging:

• Fitting type(flanger,welded,fusion,etc…)
• Fitting quantity
• Bend type(90degree,miter,3d,field-bend,etc…)
• Bends quantity
• Valve type(gate,ball,plug,full bore,etc…)
• Valve quantity

Service:

• Product
• Temperature
• Operating pressure
• Operating volume
• Pigging pressure

Buildup:

• Type(wax,sand,ash,water,liquids and etc…)
• Thickness or volume
• Positioning(concentric,bottom,ect…)
• Texture(smooth,irregular,etc…)
• Other details such as hardness,attached to the pipe wall,etc…

Launcher/receiver:

• Type
• Size

Pigging:

• Pigging purpose(cleaning,batching,hydro testing,etc…)
• Last date of pigging
• Type of pig used and results