[email protected]

RAL 1021

7 Min Read
Design Comparison (LIFT-1S UL vs. LIFT-2S UL): LIFT-1S UL: Temperature: 105°C (highest rating) Steel cores: 1 (single mechanical support) Redundancy philosophy: Electrical backup (dual control circuits) Yellow sheath: No (black) Insulation: PVC only (100% pure) Mylar wrap: No Size example (8G1.5): ~21.5 mm OD Cost: Higher (premium 105°C formulation) Best for: High-temperature machine rooms, non-HVAC spaces LIFT-2S UL: Temperature: 90°C (moderate rating) Steel cores: 2 (dual mechanical support) Redundancy philosophy: Mechanical backup (if one core fails, other works) Yellow sheath: Yes (RAL 1021, safety identification) Insulation: PVC/Nylon hybrid (enhanced protection) Mylar wrap: Yes (additional conductor protection) Size example (8G1.5): ~22.7 mm OD (slightly larger due to dual cores) Cost: Moderate (balanced design) Best for: Standard elevator duty, mechanical redundancy required Philosophy difference: LIFT-1S UL approach: "Design the cable to never overheat" - Optimize for high temperature (105°C possible) - Single mechanical core (simpler, lighter) - Control circuit provides electrical safety backup - Assumes: Machine room temperature controlled (or naturally cool) - Risk: If machine room exceeds 90°C ambient, marginal safety LIFT-2S UL approach: "Design for mechanical redundancy + moderate conditions" - Accept standard 90°C temperature (sufficient for most installations) - Dual mechanical cores (if one damaged/broken, other maintains function) - Better long-term reliability (don't rely on control circuit for mechanical failure) - Assumes: Some machines rooms may exceed 80°C, but not 90°C - Benefit: Fail-safe mechanical backup (independent of electrical system) Application selection: Choose LIFT-1S UL if: ✓ Machine room is non-air-conditioned, exposed to sun ✓ Building has no climate control in elevator shaft ✓ Located in tropical climate with extreme heat ✓ Temperature analysis shows >85°C sustained possible ✓ Willing to pay premium for 105°C rating Choose LIFT-2S UL if: ✓ Standard commercial elevator in air-conditioned building ✓ Mechanical redundancy more important than temperature headroom ✓ Budget-conscious (LIFT-2S UL lower cost than LIFT-1S UL) ✓ Temperature typically
Technical Department
on15/05/2026

LIFT-2S UL

Design Comparison (LIFT-1S UL vs. LIFT-2S UL): LIFT-1S UL: Temperature: 105°C (highest rating) Steel cores: 1 (single mechanical support) Redundancy philosophy: Electrical backup (dual control circuits) Yellow sheath: No (black) Insulation: PVC only (100% pure) Mylar wrap: No Size example (8G1.5): ~21.5 mm OD Cost: Higher (premium 105°C formulation) Best for: High-temperature machine rooms, non-HVAC spaces LIFT-2S UL: Temperature: 90°C (moderate rating) Steel cores: 2 (dual mechanical support) Redundancy philosophy: Mechanical backup (if one core fails, other works) Yellow sheath: Yes (RAL 1021, safety identification) Insulation: PVC/Nylon hybrid (enhanced protection) Mylar wrap: Yes (additional conductor protection) Size example (8G1.5): ~22.7 mm OD (slightly larger due to dual cores) Cost: Moderate (balanced design) Best for: Standard elevator duty, mechanical redundancy required Philosophy difference: LIFT-1S UL approach: “Design the cable to never overheat” – Optimize for high temperature (105°C possible) – Single mechanical core (simpler, lighter) – Control circuit provides electrical safety backup – Assumes: Machine room temperature controlled (or naturally cool) – Risk: If machine room exceeds 90°C ambient, marginal safety LIFT-2S UL approach: “Design for mechanical redundancy + moderate conditions” – Accept standard 90°C temperature (sufficient for most installations) – Dual mechanical cores (if one damaged/broken, other maintains function) – Better long-term reliability (don’t rely on control circuit for mechanical failure) – Assumes: Some machines rooms may exceed 80°C, but not 90°C – Benefit: Fail-safe mechanical backup (independent of electrical system) Application selection: Choose LIFT-1S UL if: ✓ Machine room is non-air-conditioned, exposed to sun ✓ Building has no climate control in elevator shaft ✓ Located in tropical climate with extreme heat ✓ Temperature analysis shows >85°C sustained possible ✓ Willing to pay premium for 105°C rating Choose LIFT-2S UL if: ✓ Standard commercial elevator in air-conditioned building ✓ Mechanical redundancy more important than temperature headroom ✓ Budget-conscious (LIFT-2S UL lower cost than LIFT-1S UL) ✓ Temperature typically
1 Min Read
GAALFLEX® CONTROL 540 P PUR: Advanced Zero-Halogen Oil-Resistant Multi-Core Control Cable for High-Temperature and Extreme-Environment Applications (Dual-Voltage System: 300/500 V from 0.75–1 mm², 450/750 V from 1–16 mm², Extreme Temperature Range −40 to +90°C Fixed Installation / −15 to +90°C Flexible Deployment, 3 kV Test Voltage per DIN VDE 0281, Class 5 Flexible Red Bare Copper per IEC 60228 and DIN VDE 0295, Halogen-Free PVC Insulation per DIN VDE 0472 and IEC 60754-1, Yellow PUR Type TMPU Outer Sheath (RAL 1021) Delivering Superior Oil Resistance
Technical Department
on07/05/2026

GAALFLEX® CONTROL 540 P

GAALFLEX® CONTROL 540 P PUR: Advanced Zero-Halogen Oil-Resistant Multi-Core Control Cable for High-Temperature and Extreme-Environment Applications (Dual-Voltage System: 300/500 V from 0.75–1 mm², 450/750 V from 1–16 mm², Extreme Temperature Range −40 to +90°C Fixed Installation / −15 to +90°C Flexible Deployment, 3 kV Test Voltage per DIN VDE 0281, Class 5 Flexible Red Bare Copper per IEC 60228 and DIN VDE 0295, Halogen-Free PVC Insulation per DIN VDE 0472 and IEC 60754-1, Yellow PUR Type TMPU Outer Sheath (RAL 1021) Delivering Superior Oil Resistance
6 Min Read
FeiChun High-Flexibility Salt-Fog Resistant Port Cables vs FLEXIDRUM® R 501: Advanced Polymer Chemistry, Electrochemical Protection Systems, Mechanical Performance, and 30-Year Lifecycle Cost Analysis for Port Gantry and Ship-to-Shore Equipment FLEXIDRUM® R 501 represents Nexans' market-leading general-purpose flexible reeling cable, engineered for diverse industrial applications from mining tunneling to standard port equipment—delivering proven performance at attractive cost positioning across 0.6/1 kV systems with −20°C to +80°C operating temperature range and standard EPR insulation with PUR outer sheath chemistry. However, when deployed in extreme salt-fog coastal environments (>280 days annually at 85%+ relative humidity with continuous salt-aerosol exposure), FLEXIDRUM® R 501's general-purpose design encounters fundamental material limitations: standard EPR insulation absorbs 1.2–1.8% moisture content in marine conditions, enabling rapid chloride ion penetration; tin-only conductor protection provides inadequate sacrificial anode capacity for 25+ year marine service; and standard industrial PCP/PUR compound selections fail to provide optimized chloride barrier properties. FeiChun's specialized marine-grade flexible reeling cables address these limitations through advanced materials engineering: HEPR (high-ethylene propylene rubber) formulations reducing water absorption to 0.3–0.6%; dual-layer tin+zinc electrochemical conductor coating system establishing 3.0–3.5× service-life extension; and proprietary 5GM2 PCP outer sheath incorporating reactive chloride-trapping additives—delivering measured 28–32 year service-life capability in salt-fog environments versus FLEXIDRUM® R 501's characteristic 8–12 year degradation pattern in identical coastal deployments.
Technical Department
on25/04/2026

FLEXIDRUM®R 501

FeiChun High-Flexibility Salt-Fog Resistant Port Cables vs FLEXIDRUM® R 501: Advanced Polymer Chemistry, Electrochemical Protection Systems, Mechanical Performance, and 30-Year Lifecycle Cost Analysis for Port Gantry and Ship-to-Shore Equipment FLEXIDRUM® R 501 represents Nexans’ market-leading general-purpose flexible reeling cable, engineered for diverse industrial applications from mining tunneling to standard port equipment—delivering proven performance at attractive cost positioning across 0.6/1 kV systems with −20°C to +80°C operating temperature range and standard EPR insulation with PUR outer sheath chemistry. However, when deployed in extreme salt-fog coastal environments (>280 days annually at 85%+ relative humidity with continuous salt-aerosol exposure), FLEXIDRUM® R 501’s general-purpose design encounters fundamental material limitations: standard EPR insulation absorbs 1.2–1.8% moisture content in marine conditions, enabling rapid chloride ion penetration; tin-only conductor protection provides inadequate sacrificial anode capacity for 25+ year marine service; and standard industrial PCP/PUR compound selections fail to provide optimized chloride barrier properties. FeiChun’s specialized marine-grade flexible reeling cables address these limitations through advanced materials engineering: HEPR (high-ethylene propylene rubber) formulations reducing water absorption to 0.3–0.6%; dual-layer tin+zinc electrochemical conductor coating system establishing 3.0–3.5× service-life extension; and proprietary 5GM2 PCP outer sheath incorporating reactive chloride-trapping additives—delivering measured 28–32 year service-life capability in salt-fog environments versus FLEXIDRUM® R 501’s characteristic 8–12 year degradation pattern in identical coastal deployments.