Pipeline Freezing

Full Flow Construction Method

Construction Method

Construction Equipment

Pipeline hot tapping and plugging construction

Chemical Plant DN150 12" Waste Pipeline TIE-IN 2021/11/15

DN150 Material Galvanized steel, Hot tapping (Pressure : 5kg, Medium : Industrial Water)

Tube Thickness Measurement Welding Completion, PT inspection Pressure test by Tapping machine
Reinforcement Plate Pressure Test Remove the slug Hot tapping, Hole Complete

FAB Wafer Factory DN32 FCU Demolition Project, Added Isolation Valve 2021/11/05

DN65 Material Galvanized steel, Pipe freeze (Pressure : 5kg, Medium : Ice Water)

Pipeline Freezing Progress Pipeline Freezing, Pipeline Cuted Added Isolation Valve Completion

Taipei Blood Donation Center DN100 Pipeline Hot Tapping 2021/10/23

DN100 Material Galvanized steel, Hot tapping (Pressure : 5kg, Medium : Ice Water)

Ultrasonic Thickness 5.4mm Reinforcing Plate Welding Valve Mold Pressure Test
DN100 Hole Complete Remove the slug DN100 Construction Completion

Chemical Plant DN350 Fire Valve On Ground Engineering 2021/10/06

DN350 Material Galvanized steel, Line Stopping (Pressure : 13kg, Medium : Fire Water)

Install Hot Tapping Machine Remove the slug Fire Pipeline Stopping
Install Occluder Machine Blind Mounting Plate DN350 Construction Completion

Taipei Data Host Room DN65 Pipeline Freeze Added Isolation Valve 2021/10/02

DN65 Material Galvanized steel, Pipe freeze (Pressure : 9.5kg, Medium : Ice Water)

DN65 Pipeline Freezing Progress Pipeline Freezing, Pipeline Cuted Added Isolation Valve Completion

Hsinchu Technology DN50 Ice Water Pipeline Added Isolation Valve 2021/09/25

DN150 Material Galvanized steel, Line Stopping (Pressure : 5kg, Medium : Ice Water)

Valve Mold Pressure Test DN50 Line Stopping Pipeline Cut
Added Isolation Valve Welding Assembly Line Stopping Tool Removal Add Valve Construction Completion

Yilan Chemical Plant DN200-7K Steam Line Hot Tapping 2021/09/16

DN200 Material Carbon steel, Hot tapping (Pressure : 7kg, Medium : Steam, Temperature 196°C)

Pipeline temperature 196°C Pipeline Hot Tapping Remove the slug

Chemical Plant Factory DN300 Fire line Stopping Modification 2021/09/13

DN300 Fire line, Line Stopping (Pressure : 12kg, Medium : Fire Water)

Reinforcing Plate Welding Online Hottapping Remove the slug
Online Blocked Install Blind Cover Line Stopping Completion

Hsinchu Science Park DN150 Pipeline Hot Tapping 2021/09/08

DN150 Material Galvanized steel, Hot tapping (Pressure : 5kg, Medium : Ice Water)

Pipeline Hot Tapping Remove the slug Construction Completion

Hsinchu Hospital DN25 Air conditioning ice water pipeline 2021/09/08

DN25 Material Galvanized steel, Pipe Freeze (Pressure : 5kg, Medium : Ice Water)

Ice Pipeline is Freezing Isolation Valve Pressure Test Freeze Construction Completion

Chemical Industry DN250 Pipeline Stopping Modification 2021/08/19

DN250 Material Galvanized steel, Line Stopping (Pressure : 5kg, Medium : Cooling Water)

Pipeline Hot Tapping Remove the slug Pipeline stopping Add Valve
Online Blocked Install Blind Cover Flange Clogged

Miaoli Technology Factory DN450 Ice Water Pipeline Update Valve 2021/08/28

DN450 Material Galvanized steel, Pipe Freeze (Pressure : 5kg, Medium : Cooling Water)

Remove the Butterfly Valve Flange Finishing DN450 Valve Update
Remove Pipeline Valve Butterfly Valve Install DN450 Update Completion

Changbin Chemical Plant DN150, DN200 Pipeline Hot Tapping 2021/08/25

DN150 & DN200 Material Galvanized steel, Hot tapping (Pressure : 5kg, Medium : Cooling Water)

Pipeline Hot tapping Remove the slug Construction Completion

Taichung Natural Gas Plant DN40 Line Stopping Add Valve 2021/08/24

DN40 Material Galvanized steel, Line Stopping (Pressure : 8kg, Medium : Compressed Air)

Tube Thickness Measurement Valve Mold Pressure Test Pipeline Stopping
Add Open Vent New Flange with welding Construction Completion

Taoyuan Technology DN100 Pan Expansion Project 2021/07/30

DN40 & DN80 & DN100 Material Galvanized steel, Hot tapping (Pressure : 5kg, Medium : Ice Water)

Reinforcing Plate Welding Reinforcing Pressure Test Valve Mold Pressure Test
Hot Tapping, Remove the slug Blind Plate Installation Insulation Layer Recovery

Taipei Technology DN80 Added Heat Exchanger 2021/07/27

DN80 Material Galvanized steel, Hot tapping (Pressure : 6kg, Medium : Ice Water)

Ultrasonic Thickness Reinforcing Plate Welding Reinforcing Pressure Test
Mold Pressure Test DN80 Remove the slug Blind Plate Installation

Hsinchu Technology Clean Room DN250 Expansion Project 2021/07/22

DN250 Material Galvanized steel, Hot tapping (Pressure : 5kg, Medium : Ice Water)

Ultrasonic Thickness Valve Mold Pressure Test Valve Assembly
DN250 Hot Tapping Remove the slug Blind Plate Installation

Longde Factory DN150-7K Steam Line Hot-Tapping 2021/07/20

DN150 Seamless Carbon Steel Pipe, Hot tapping (Pressure : 7kg, Medium : Steam)

Hot Tapping Machine Installation Mold Pressure Test DN150 Remove the slug

Taichung Telecom Room DN50 Cooling Water Blockd 2021/07/12

DN50 Stainless Steel Pipe, Line stopping (Pressure : 6kg, Medium : Ice Water)

Ultrasonic Thickness Valve Mold Pressure Test Hot Tapping
DN50 Line stopping Finish, Demolition Equipment

Taoyuan Chemical Plant DN65 & DN80 Pipeline Hot Tapping 2021/07/09

DN65&DN80 Material Galvanized steel, Hot tapping (Pressure : 5kg, Medium : Ice Water & Hot Water)

Ultrasonic Thickness Reinforcing Plate Welding Valve Mold Pressure Test
Punching Machine Pressure Test Remove the slug DN65&DN80 Construction Completion

Academia Sinica DN200 Pipeline Freeze Add Valve 2021/07/07

DN200 Material Galvanized steel, Pipe Freeze (Pressure : 4kg, Medium : Cooling Water)

Pipeline is Freezing New Flange With Welding DN200 Add Valve Completion

Academia Sinica DN250 Pipeline Freeze Add Valve 2021/06/29

DN250 Material Galvanized steel, Pipe Freeze (Pressure : 4kg, Medium : Cooling Water)

Pipeline is Freezing New Flange With Welding DN250 Add Valve Completion

University Hospital DN250 Fire Fighting Take Over 2021/06/12

DN65 & DN100 Material Galvanized steel, Annular Seals Stopping (Pressure : 8kg, Medium : Fire Water)

Short Pipe Welding DN65 Valve Mold Pressure Test DN100 Valve Mold Pressure Test
Remove the slug DN65 Construction Completion DN100 Construction Completion

Taipei Technology Factory DN300 Annular Seals Blocked Ice Water Pipeline 2021/06/02

DN300 Material Galvanized steel, Annular Seals Stopping (Pressure : 4kg, Medium : Ice Water)

DN300 Annular Seals Blocked Remove Damaged Butterfly Valve Pipeline Welding Connection

South Technology Factory DN500 Pipe Freeze Replace Butterfly Valve 2021/06/01

DN500 Material Galvanized steel, Pipe Freeze (Pressure : 3kg, Medium : Cooling Water)

Pipeline is Freezing Frozen Valve Demolition DN500 Replace Valve Completion

South Chemical Industry DN300 Air Compressor Pipeline Block 2021/04/22

DN300 Material Galvanized steel, Line Stopping (Pressure : 8kg, Medium : Air)

Ultrasonic Thickness Reinforcing Plate Welding Online Hot Tapping
Add Shut-off Valve Blocking Block Removal Equipment DN300 Added Isolation Valve

Taipei Technology Factory DN250 Pipe Freeze Replace Valve 2021/05/01

DN250 Material Galvanized steel, Pipe Freeze (Pressure : 9kg, Medium : Ice Water)

Protective Action Pipe Freeze in Progress Freezing, Replace Valve
Keep the stress test Valve Mold Pressure Test DN250 Construction Completion

Hsinchu Technology Factory DN250 Line Stopping Replace Butterfly Valve 2021/04/14

DN250 (10") Material Galvanized Steel, Cooling Water Line Stopping (Pressure : 5kg, Medium : Cooling Water)

Ultrasonic Thickness Mold Weld, Valve Installation Hot Tapping, Remove the slug
Line Stopping, Replace Valve Blind Mounting Plate DN250 Valve Replace Completion

Hsinchu Technology Factory DN300 Online Hot Tapping 2021/04/14

DN300 Material Galvanized steel, Online Hot Tapping (Pressure : 4kg, Medium : Ice Water)

Ultrasonic Thickness Valve Mold Pressure Test Reinforcing Plate Welding
Online Hot Tapping Remove the slug DN300 Construction Completion

South Technology Factory DN500 Pipeline Annular Seals Block 2021/04/06

DN500 Material Galvanized steel, Annular Seals Stopping (Pressure : 3kg, Medium : Cooling Water)

Ultrasonic Thickness Reinforcing Plate Welding DN300 Remove the slug
Seals Block Replace Butterfly Valve DN500 Valve Replacement Completed DN500 Construction Completion

Taipei Telecom Room DN300 Pipe freeze Stopper 2021/04/02

DN300 Material Stainless Steel, Online Hot Tapping (Pressure : 9kg, Medium : Ice Water)

Pipe Freeze in Progress Freezing, Closed Welding Pipeline Closed Welding completed

Taoyuan Technology Factory DN50 Hot Water Pipeline stopping, Add Valve 2021/02/25

DN50 Material Carbon Steel, Online Line stopping (Pressure : 4kg, Medium : Hot Water)

Ultrasonic Thickness Reinforcing Plate Welding Valve Mold Pressure Test
Line Stopping, Flange Welding Add Isolation valve installation Line Stopping Construction Completion

Cruise Ship DN200 Online Hot Tapping 2021/02/02

DN150 Material Carbon Steel, Online Hot Tapping (Pressure : 5kg, Medium : Ice Water)

Ultrasonic Thickness Valve Mold Pressure Test Online Hot Tapping
Remove the slug DN200 Construction Completion DN200 Construction Completion

Hsinchu Electronics Factory DN150 Online Hot Tapping 2021/01/23

DN150 Material Carbon Steel, Online Hot Tapping (Pressure : 5kg, Medium : Ice Water)

Ultrasonic Thickness Reinforcing Plate Welding Valve Mold Pressure Test
DN150 Online Hot Tapping Remove the slug DN150 Construction Completion

Hsinchu Technology Factory DN50 Online Hot Tapping 2021/01/20

DN150 Material Carbon Steel, Online Hot Tapping (Pressure : 5kg, Medium : Ice Water)

Ultrasonic Thickness Valve Mold Pressure Test Construction Completion

Northern Power Plant DN150 Cooling Water Added Isolation Valve 2021/01/15

DN150 Material Carbon Steel, Cooling Water Line Stopping (Pressure : 6kg, Medium : Cooling Water)

Ultrasonic Thickness Pipe Fittings Welding Pipeline test pressure
Online Blocked Added Isolation Valve Construction Completion

Taoyuan Technology Factory DN150 Online Hot tapping) 2021/01/04

DN150 Material Carbon Steel, Online Hot Tapping (Pressure : 4kg, Medium : Ice Water)

Ultrasonic Thickness Reinforcing Plate Welding Valve Mold Pressure Test
Online Hot Tapping Remove the slug DN150 Construction Completion