Factory-Direct Supply of Certified Wires and Conductors for Diverse Industrial Applications
KVV22 Control Cable-PVC Insulated Steel Tape Armoured Copper Cables
Standard: IEC 60227 / IEC 60502 / GB/T 9330 / BS 6500
Rated Voltage: 450/750V
Conductor: Soft annealed copper — solid (1/0.97mm) or stranded (7/0.37mm)
Insulation: PVC
Inner Sheath: PVC
Armour: Double steel tape (0.2mm, opposing helical wind)
Outer Sheath: PVC (ST2), black
Conductor Sizes: 0.75 / 1.0 / 1.5 / 2.5 / 4 / 6 mm²
Core Counts: 5 / 6 / 7 / 8 / 10 / 12 / 14 / 16 / 19 / 24 / 27 / 30 / 37 / 44 / 48 / 52 / 61
Max. Conductor Temperature: +70°C continuous; +160°C short-circuit (5s)
Product Overview
KVV22 Control Cable is a copper conductor, PVC insulated, PVC inner sheathed, steel tape armoured, PVC outer sheathed control cable rated at 450/750V, manufactured to IEC 60227, IEC 60502, GB/T 9330, and BS 6500. The "22" suffix in KVV22 denotes the double steel tape armour — two helically applied steel tapes with opposing wind directions forming a rigid, compact armour layer that provides excellent resistance to radial compression, crushing, and mechanical impact, while maintaining a smaller overall diameter than steel wire armoured (SWA/KVV32) designs of equivalent cross-section.
KVV22 is the standard armoured control cable for Chinese-standard industrial installations and is widely specified for international projects requiring GB/T 9330 compliance. It is used in fixed installations indoors, in cable trenches, conduits, and underground — wherever mechanical protection of control wiring is required against the hazards of industrial environments: vehicle traffic, falling objects, rodent attack, and compressive loads from back-filled soil or concrete. Available in conductor sizes from 0.75 mm² to 6 mm², with core counts from 2 to 61 cores, covering the complete range of industrial control circuit requirements from simple two-wire circuits to complex multi-point PLC I/O marshalling cables.
Double Steel Tape Armour
Two steel tapes wound helically in opposing directions form the KVV22 armour — providing radial compression resistance superior to single-tape designs while maintaining a compact overall diameter. The opposing wind angles lock the tapes against each other, preventing tape edge separation under side loading or bending stress.
GB/T 9330 Compliant — Chinese Standard
KVV22 is the primary control cable standard for Chinese industrial and infrastructure projects. GB/T 9330 specifies the conductor, insulation, armour, and sheath requirements that govern control cable procurement by Chinese utilities, petrochemical companies, power plants, and manufacturing facilities worldwide.
IEC 60227 / IEC 60502 / BS 6500 — International Acceptance
Multi-standard compliance enables KVV22 to be specified on international projects requiring IEC or BS compliance alongside GB/T 9330. Accepted for utility, oil & gas, and infrastructure control cable applications across Southeast Asia, the Middle East, and Africa where Chinese cable standards are recognised alongside IEC.
High Temperature & Cold Resistance
PVC insulation rated to +70°C continuous (160°C for 5 seconds short-circuit) and −15°C minimum service temperature — covering a wide range of industrial environments from cold storage facilities and outdoor winter installations to hot process areas and electrical rooms with elevated ambient temperatures.
Solid or Stranded Conductor Options
Each core count and cross-section is available with either solid conductor (1/0.97 mm for 0.75 mm²) for maximum rigidity and lowest DC resistance, or 7-wire stranded conductor (7/0.37 mm for 0.75 mm²) for improved flexibility during installation — both meeting the same overall dimensional and electrical specifications.
2 to 61 Cores — Complete Control System Coverage
From 2-core simple on/off circuits to 61-core high-density PLC marshalling cables — the KVV22 family covers every control wiring requirement in a single cable standard, simplifying procurement, testing, and documentation across entire plant control systems.
Technical Specifications
KVV Control Cable Family — Model Selection Guide
| Model | Full Name | Armour / Screen | Primary Application |
|---|---|---|---|
| KVV | Cu / PVC / PVC | None | Indoors, cable trenches, conduits — no mechanical protection required |
| KVVP | Cu / PVC / Cu braid screen / PVC | Copper braid screen | Indoors/trenches — EMI shielding required for signal circuits |
| KVVP2 | Cu / PVC / steel tape shield / PVC | Steel tape shield | Indoors/trenches/ground — electromagnetic shielding + moderate mechanical protection |
| KVV22 | Cu / PVC / PVC / steel tape armour / PVC | Double steel tape armour | Indoors/trenches/conduits/ground — heavier mechanical protection, fixed installation |
| KVVR | Cu / PVC / PVC (flexible) | None | Indoors — movable and flexible installation |
| ZR-KVV22 | Cu / PVC / PVC / steel tape armour / PVC (flame retardant) | Double steel tape armour | Same as KVV22 but with flame retardant insulation and sheath — fire risk areas |
Basic Technical Parameters
| Standard | IEC 60227 / IEC 60502 / GB/T 9330 / BS 6500 |
|---|---|
| Rated Voltage | 450/750V |
| Conductor | Soft annealed copper — solid (1/0.97 mm) or stranded (7/0.37 mm) for 0.75 mm² |
| Insulation | PVC (colour coded or numbered per GB/T 9330) |
| Inner Sheath | PVC |
| Armour | Double steel tape (opposing helical wind directions, 0.2 mm thickness) |
| Outer Sheath | PVC (ST2), black |
| Conductor Sizes | 0.75 / 1.0 / 1.5 / 2.5 / 4 / 6 mm² |
| Core Counts | 2 / 3 / 4 / 5 / 6 / 7 / 8 / 10 / 12 / 14 / 16 / 19 / 24 / 27 / 30 / 37 / 44 / 48 / 52 / 61 |
| Max. Conductor Temperature | +70 °C (continuous); +160 °C (short-circuit, max. 5 s) |
| Min. Service Temperature | −15 °C |
| Min. Bending Radius | 20 × cable overall diameter |
| Flame Retardancy | IEC 60332-1 (single wire vertical burn — flame non-propagating) |
| Halogen Content | Chlorine < 15% (reduced halogen emission) |
| Chemical Resistance | Good resistance to chemicals and oils (PVC outer sheath) |
| Packaging | Wooden drum; standard lengths 500 m / 1000 m; custom lengths available |
Parameter Table — KVV22 (0.75 mm², Solid Conductor 1/0.97 mm)
| Cores × Section (mm²) | Insulation (mm) | Inner Sheath (mm) | Steel Tape (mm) | Outer Sheath (mm) | Overall Ø (mm) | Weight (kg/km) |
|---|---|---|---|---|---|---|
| 5×0.75 | 0.6 | 1.1 | 0.2 | 1.5 | 12.00 | 231 |
| 6×0.75 | 0.6 | 1.1 | 0.2 | 1.5 | 12.67 | 258 |
| 7×0.75 | 0.6 | 1.1 | 0.2 | 1.5 | 12.67 | 264 |
| 8×0.75 | 0.6 | 1.1 | 0.2 | 1.5 | 13.35 | 289 |
| 10×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 14.93 | 348 |
| 12×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 15.28 | 373 |
| 14×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 15.87 | 407 |
| 16×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 16.51 | 445 |
| 19×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 17.19 | 490 |
| 24×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 19.64 | 606 |
| 27×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 19.99 | 642 |
| 30×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 20.58 | 688 |
| 37×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 21.90 | 795 |
| 44×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 24.16 | 928 |
| 48×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 24.31 | 963 |
| 52×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 24.89 | 1020 |
| 61×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 26.22 | 1149 |
Parameter Table — KVV22 (0.75 mm², Stranded Conductor 7/0.37 mm)
| Cores × Section (mm²) | Insulation (mm) | Inner Sheath (mm) | Steel Tape (mm) | Outer Sheath (mm) | Overall Ø (mm) | Weight (kg/km) |
|---|---|---|---|---|---|---|
| 5×0.75 | 0.6 | 1.1 | 0.2 | 1.5 | 12.39 | 241 |
| 6×0.75 | 0.6 | 1.1 | 0.2 | 1.5 | 13.11 | 271 |
| 7×0.75 | 0.6 | 1.1 | 0.2 | 1.5 | 13.11 | 276 |
| 8×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 13.83 | 303 |
| 10×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 15.51 | 366 |
| 12×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 15.88 | 391 |
| 14×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 16.51 | 427 |
| 16×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 17.20 | 468 |
| 19×0.75 | 0.6 | 1.2 | 0.2 | 1.5 | 17.92 | 515 |
| 24×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 20.52 | 638 |
| 27×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 20.89 | 676 |
| 30×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 21.51 | 724 |
| 37×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 22.92 | 837 |
| 44×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 25.12 | 965 |
| 48×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 25.49 | 1014 |
| 52×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 26.12 | 1075 |
| 61×0.75 | 0.6 | 1.2 | 0.2 | 1.7 | 27.53 | 1211 |
Key Features & Technical Advantages
Double Steel Tape vs Steel Wire Armour
KVV22 steel tape armour provides superior radial compression resistance and a more compact profile than KVV32 steel wire armour of the same cross-section — but lower tensile protection than wire armour. Tape armour is the correct choice for fixed installation in cable trenches and conduits where crushing is the primary hazard; wire armour (KVV32) is specified for direct burial where tensile pull and rodent attack are additional concerns.
Opposing Steel Tape Wind — Tape Lock
The two steel tapes wound in opposing helical directions create a mechanically interlocked structure — the opposing winding angles prevent the tape edges from lifting under side-bending stress. This "tape lock" effect maintains continuous armour coverage around the cable circumference even when the cable is bent to the minimum bending radius (20× OD).
Smaller OD Than Wire Armour
For the same conductor and core count, KVV22 steel tape armour produces a smaller overall diameter than KVV32 steel wire armour — important for installations in conduit where cable fill percentage limits apply, and for multi-cable routes where cable tray fill must be minimised.
Solid or Stranded Conductor Selection
Solid conductors (1/0.97 mm for 0.75 mm²) offer the lowest DC resistance and are preferred for long runs where voltage drop is a concern. Stranded conductors (7/0.37 mm) provide better flexibility for installation routing through tight bends and junction boxes — specify based on installation conditions and circuit length.
IEC 60332-1 Flame Retardant
PVC insulation and sheath pass the IEC 60332-1 single wire vertical flame test — the cable is self-extinguishing when the ignition source is removed, preventing flame propagation along the cable route. ZR-KVV22 (flame retardant) variant is available when IEC 60332-3 bundle flame test compliance is required for cables installed in groups.
High Short-Circuit Temperature Rating
+160°C maximum 5-second short-circuit temperature — substantially higher than standard PVC cable ratings. This high thermal withstand allows KVV22 to be sized for normal operating current without over-sizing for short-circuit duty, reducing cable cost without compromising fault current safety.
Certifications & Standards
Typical Applications
Industrial Control Panels
PLC, DCS, and relay-based control system wiring in factories, power plants, and process facilities — KVV22 is the standard control cable for Chinese and GB-specification industrial control systems.
Power Plant Control
Secondary protection, control, and instrumentation wiring in thermal, hydro, and nuclear power plants designed to Chinese grid standards — KVV22 meets the GB/T 9330 requirements of Chinese utility specifications.
Substation Control & Relay
Protection relay, metering, and SCADA secondary wiring in HV substations — KVV22 in cable trenches and indoor conduit routes between outdoor switchgear and control buildings.
Petrochemical & Process Plants
Control and instrumentation wiring in Chinese and internationally tendered refinery, chemical, and LNG facility projects — tape armour provides mechanical protection in pipe rack and trench environments.
Railway & Metro Systems
Signalling, interlocking, and traction power control wiring on Chinese-standard railway and metro systems — KVV22 is the default control cable specification in China Railway engineering standards.
Building Services Control
BMS, HVAC, fire alarm, and access control system wiring in Chinese-standard commercial and industrial buildings — KVV22 in cable shafts, trenches, and under-floor cable routes.
Cable Trench & Conduit Installation
Fixed installation in cable trenches and conduit systems where mechanical protection from cable movement, vibration, and accidental impact is required — the primary application mode for KVV22.
Export Projects — Chinese Standard
International projects in Southeast Asia, Africa, and the Middle East where Chinese contractors specify GB/T 9330 control cable — KVV22 with IEC 60227/60502/BS 6500 dual certification satisfies both Chinese and local utility specification requirements.
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Frequently Asked Questions
As a factory, we offer flexible MOQ depending on the cable type. For standard stock items, MOQ is low; for customized specifications, please contact our sales team for a detailed quote.
Yes, Qiangli cables are manufactured in compliance with international standards such as UL, CE, TUV, and VDE. We provide full test reports and certificates upon request.
Absolutely. We have a dedicated R&D team that can customize cable structure, material, color, and printing to meet your specific project needs.
For standard products, lead time is usually 7-15 days. For large-scale project orders or customized products, it typically ranges from 20 to 30 days.
Yes, we provide free samples for most standard cables. You only need to cover the international courier costs. Contact us to arrange your sample shipment.