GALA SHRINK FIT
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GALA SHRINK FIT
Heat Shrink Sleeve for Post Tensioning Duct Joint
Product Details:
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Product Description
Heat Shrink Coupler is a Tubing used for jointing the posttensioning ducts to ensure leak tightness of connections between two consecutive portion of duct.
These tubes are manufactured from high quality Cross-linked Polyolefin material. Hot melt adhesive lining provides 100% sealing according to IP 68 (Ingress Protection). Heat Shrink Couplers ensure a tight seal around the pre-stressing duct connections.
FEATURES & BENEFITS :-
- Easy & Quick Installation. No special skill required.
- High resistance to Impact & Abrasion.
- Suitable for Wet and Dry underground conditions.
- Joint in-line with pipe.
- Superior elastomeric characteristics allows better conformance over irregular contours.
- High Shrink ratio (3:1) helps to reduce the stock requirements with few sizes covering greater pipe application range.
- Resistant to Heat, UV rays, Vibration, Sand-blasting & Harsh Industrial conditions.
- Customized dimensions, length & colour available.
Technical Specification
- PROPERTIES
- VALUE
- STANDARD
- Physical
- Tensile Strength
- 20 Mpa (N/mm 2) (min.)
- ASTM D638
- Ultimate Elongation
- 350 % (min)
- ASTM D638
- Longitudinal Change
- -10% (max.)
- ASTM D2671
- Hardness
- 45 ±10 Shore D
- ASTM D2240
- Water absorption
- 0.5 % (max.)
- ASTM D570
- Thermal
- Accelerated ageing
- (1200C for 500 hrs)
- ASTM D2671
- Tensile Strength
- 14 Mpa (N/mm2 ) (min.)
- ASTM D638
- Ultimate Elongation
- 300 % (min.)
- ASTM D638
- Low Temperature Flexibility
(-40 C for 4 hrs.) - No Cracking
- ASTM D2671
- Heat Shock
(250 C for 30 min.) - No cracking or flowing
- ESI 09-11
- Shrink Temperature
- 1250C
- IEC 216
- Continuous Temperature Limit
- -40 to +1100C
- IEC 216
- Electrical
- Dielectric Strength
- 12 KV/mm.(min)
- ASTM D149
- Volume Resistivity
- 1 x 1014 Ohm.cm (min)
- ASTM D257
- Dielectric constant
- 5 (max.)
- ASTM D150
Selection Chart
- Code
- D min
(mm) - d max
(mm) - T±10%
(mm) - Length/Pc.
(mm)
- GCMW 70/22
- 70
- 22
- 2.7
- 300
- GCMW 90/28
- 90
- 28
- 3.0
- 300
- GCMW 105/30
- 105
- 30
- 3.0
- 300
- GCMW 115/34
- 115
- 34
- 3.2
- 300
- GCMW 130/36
- 130
- 36
- 3.2
- 300
- GCMW 140/42
- 140
- 42
- 3.2
- 300
- GCMW 160/50
- 160
- 50
- 3.3
- 300
- GCMW 180/55
- 180
- 55
- 3.3
- 300
- GCMW 200/60
- 200
- 60
- 3.5
- 300
- GCMW 250/70
- 250
- 70
- 3.5
- 300
- GCMW 320/90
- 320
- 90
- 3.5
- 300
- GCMW 375/110
- 375
- 110
- 3.5
- 300
- GCMW 425/125
- 425
- 125
- 3.5
- 300
- GCMW 550/157
- 550
- 157
- 3.5
- 300
- GCMW 680/200
- 680
- 200
- 3.5
- 300
- GCMW 760/215
- 760
- 215
- 3.5
- 300
- GCMW 863/250
- 863
- 250
- 3.5
- 300
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