TRATOS-AIS-SW2
TRATOS-AIS-SW4
INSTRUMENTATION CABLES ACCORDING TO BS6883
TRATOS-AIS-SW2 – Armoured Individually Screened Reduced Halogen
TRATOS-AIS-SW4 – Armoured Individually Screened Halogen Free
As the actual manufacturer of these cables, not simply a distributor, Tratos has total control of the design, quality and manufacturing process from the purchase of the raw materials through to final testing and despatch to our customers. Having control of the manufacturing process Tratos can ensure compatibility with most makes and types of glands.
Tratos manufactures a complete range of cables for marine applications that are both safe and reliable when correctly selected, installed and properly used. Tratos instrumentation cables are available with individual or collective screens to confine the electric field and to limit the external electrical influences, cables are also available with wire braid armours consisting of galvanized mild steel, tinned annealed copper or tinned bronze wires to suit the particular installation and application. Tratos instrumentation cables are available with either Class 2 or Class 5 conductors to aid repeated removal of meters for calibration.
In the British Standard, cables are designated according to the type of outer sheath material used in their construction. Cables designated SW2 to have a sheathing material that is classified in BS 7655 as ordinary duty enhanced oil-resisting, flame retardant with reduced halogen gas emission (5% maximum HCl). Cables designated SW 4 have a sheathing material that is classified in BS 7655 as ordinary duty enhanced oil-resisting, with low emission of smoke and corrosive gases when affected by the fire. (0.5% maximum). However Tratos BS6883 Oil and Gas cables employ the superior unique Tratos JBA® sheathing compound, features of Tratos JBA® sheathing compound include tough yet flexible to ease installation in the confined spaces found onboard ships and offshore installation. Highly flame retardant resists flame propagation and surface spread of flame. Tratos JBA® sheathing compound matches the environmental conditions found indoor or outdoor onboard ships and offshore installations – a saliferous and corrosive atmosphere, 100% humidity, water spray and deluge, mineral oils, hydraulic oils, crude oil and diesel fuel.
For locations where drilling “mud” is present, for longest life Tratos recommends the use of SW4 designated cables.
The ranges of instrumentation cables have been rationalised to preclude certain cable types and conductor sizes in accordance with current industry practice and following UKOOA Guidelines for instrumentation, power and control cables for fixed and mobile production facilities.
Contact us:
Tel: +44 20 3148 5178
e-mail: sales@tratosgroup.com
Please don’t hesitate to contact us if you need additional information about our products.
Catalogues
B2 Rubber Medium Tension Cable
EPR Medium Tension Cable Spanish
I4 Power and Signalling Cables Low Smoke
O3 Instrumentation Cables ENI18100 BS 5308
R4 Power and Signalling Cables
Application
For fixed wiring control and instrumentation circuits where individual screening of the pairs, triple and quads by an earthed metallic layer to prevent cross talk and reduce external electrical influences is required. Used where mechanical protection by braid armours is required but limited circuit integrity or fire resistance is not required. TRATOS-UCS-SW4 cables are low smoke and halogen free so suitable for control rooms and accommodation areas. For use in safe areas and when correctly terminated in EX zones.CONSTRUCTION
- Conductors: BS EN 60228 class 2 or Class 5
- Insulation: type GP 4 or GP 6 as specified in BS 7655: Section 1.2.
- Individual Screen: a laminated polyester/aluminium screening tape with drain wire or (polyester/copper on request).
- Inner sheath: type SW2 or SW4. Braid armour galvanized mild steel, tinned annealed copper or tinned bronze wires as ordered.
- Outer sheath Type SW2 or SW4 as specified in BS 7655.2.6
- Standard colour Grey or Blue, other colours available on request.
Standards
Technical Specifications
- Control and Instrumentation Rated voltage 150/250 V
- Maximum continuous conductor operating temperature 90 °C.
- Minimum installation temperatures – 15 °C.
- Maximum short circuit conductor temperature 250 °C, the maximum duration of the fault current 5 s.
- The tension applied to a cable should not exceed the values of tensile stress per conductor given below.
- This is subject to a total maximum tensile force of 1000 N. 50 N/mm2 during installation; 15 N/mm2 for static tensile stress.
- Minimum bending radius 8D
Contact us
Please, don’t hesitate to contact us for additional information on our company or our products.
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