Walker Technical Resources Ltd.

Transcription

1 Walker Technical Resources Ltd Scotstown Moor Base, Perwinnes Moss Bridge of Don, Aberdeen, AB23 8NN Tel +44 (0) Fax +44 (0)

2 Fibre: E-glass tri-axial woven cloth 0º ± 45º Application: Complex geometries Piping systems Strengthening Pressure retention Leak sealing Internal External Through wall Max design pressure: Up to 250 bar (non through wall) 50 bar (through wall) Max design temp: Up to 220 C Approx cure time: 24 hours Chemical resistance: 3 < ph < 10

3 Fibre: Application: E-glass uni-directional woven cloth 0º For strengthening of pipelines straights bends Internal or external up to 80% of the original wall thickness Max design pressure: Up to 150 bar Max design temp: Up to 220 C Approx cure time: 24 hours Chemical resistance: 3 < ph < 10

4 Fibre: Carbon Quadraxial woven cloth 0º/45º/-45º/90º Application: For strengthening of tanks, vessels, roofs, floors, beams, columns, support members, struts, bridge and jetty supports, accommodation modules, walkways, HVAC ducting, handrails, signage Wall loss Max design temp: Up to 220 C Approx cure time: 24 hours Chemical resistance: 3 < ph < 10

5 Fibre: Carbon uni-directional woven cloth 0º Application: For strengthening of high pressure pipelines (straights and bends) Designed for use on land Internal or external up to 80% of the original wall thickness Max design pressure: Up to 250 bar Max design temp: Up to 220 C Approx cure time: 24 hours Chemical resistance: 3 < ph < 10

6 Fibre: E-glass or carbon Key characteristics: Epoxy resin system which can cure and adhere in wet or submerged conditions Internal External Max design pressure: Up to 100 bar for non through wall defects Temp range: 0 C to 55 C Cure time: 24 hours at 35 C Chemical resistance: 4 < ph < 9

7 Fibre: Key characteristics: Max design pressure: E-glass Ambient cure epoxy resin system approved for potable water service Internal External Through wall 50 bar Temp range: 0 C to 80 C Cure time: 24 hours at 20 C Chemical resistance: 4 < ph < 9

8 Technowrap composite repairs are Lloyds Register Type Approved and ABS Design & Manufacturing Approved and are fully qualified to ISO/TS and ASME-PCC2. All of our products go through rigorous checks and have been tested within the following range of temperatures and pressures: Temperature range of -75 to 220 C Pressure range tested up to 250 bar All Technowrap repairs come with a life-time guarantee of up to 20 years assuming Walker Technical perform the design of the repair and that trained Technowrap installers perform the application. The resins used in Technowrap composite repairs are chemically resistant to a wide range of fluids present in Oil and Gas production facilities. Property Max. pressure: Value Tested up to 250 bar Temperature range: -75 to 220ºC Range of fluids: Component types: Substrates qualified for: Surface preparations: Sa 2.5 ST2 ST3 Approvals: Most fluid types occurring in Oil and Gas applications Piping systems, pipelines, vessel / tanks, caissons & risers, walkways, handrails, roofs Carbon steel cast iron 6 moly 316 stainless steel Cunifer Duplex Super duplex Titanium GRP Internal defects External defects Through wall defects Cracks Lloyds Register Type Approved ABS Design & Manufacturing Approved Fully qualified to ISO/TS ASME PCC-2

9 Resin system Low Temperature (LT) Key characteristic Ambient cure epoxy resin system at low ambient temperatures Temperature range (0 C) -75 to 90 Cure time 24 hours at 20 C Chemical resistance 3 < ph < 10 Lap shear strength (MPa) 15 Resin system High Ambient (HA) Key characteristic Ambient cure epoxy resin system at high ambient temperatures Temperature range (0 C) -75 to 90 Cure time 24 hours at 40 C Chemical resistance 3 < ph < 10 Lap shear strength (MPa) 13 Resin system High temperature (HT) Key characteristic High temperature epoxy resin system (which requires post curing) Temperature range (0 C) 90 to 220 Cure time 36 hours at 80 C Chemical resistance 4 < ph < 9 Lap shear strength (MPa) 10 Resin system Potable Key characteristic Ambient cure epoxy resin system approved for potable water service Temperature range (0 C) 0 to 80 Cure time 24 hours at 20 C Chemical resistance 4 < ph < 9 Lap shear strength (MPa) 10 Resin system Splashzone Key characteristic Epoxy resin system which can cure and adhere in wet or submerged conditions Temperature range (0 C) 0 to 55 Cure time 24 hours at 35 C Chemical resistance 4 < ph < 9 Lap shear strength (MPa) 9