Magnetic Control ±3 mm Precision
Micro Video Real-Time Control
5 km Moving Distance
Pipeline Radiographic Inspection
Dandong Zhong Yi NDT
ZY-Series Magnetic & Micro Video Control Pipeline Crawlers
Zhong Yi brand pipeline crawlers are state-of-the-art magnetic and micro-video controlled robotic systems equipped with constant potential X-ray generators for internal pipeline girth weld radiography. Engineered to navigate inside oil, gas, and water pipelines ranging from 8" to 60" outer diameter with real-time video feedback and precision magnetic locating.
PIPELINE RANGE
8" to 60" Pipe Diameter
LOCATING SYSTEM
Magnetic & Video Control (±3 mm)
AVAILABLE MODELS
ZY-4C | ZY-3C | ZY-12C | ZY-10C
MAX CLIMBING SLOPE
Up to 40° Slope Angle
Model Specifications
ZY-Series Crawler Lineup & Capacities
Complete technical breakdown for ZY-4C, ZY-3C, ZY-12C, and ZY-10C models.
Small Pipe Diameter
ZY-4C Micro Video Crawler
Lightweight 2WD crawler engineered for 8" to 14" pipelines.
| Pipe OD: | 8" – 14" |
|---|---|
| Weight: | 30 kg (Crawler) / 28 kg (Battery) |
| Battery: | Lead Acid 7Ah |
| Slope: | Max 20° |
| Drive: | Two Wheels (2WD) |
Medium Pipe Diameter
ZY-3C Micro Video Crawler
Medium-duty 2WD crawler engineered for 12" to 28" pipelines.
| Pipe OD: | 12" – 28" |
|---|---|
| Weight: | 45 kg (Crawler) / 44 kg (Battery) |
| Battery: | Lead Acid 12Ah |
| Slope: | Max 30° |
| Drive: | Two Wheels (2WD) |
Large Pipe Diameter
ZY-12C Pipeline Crawler
High-traction 4WD crawler engineered for 14" to 47" pipelines.
| Pipe OD: | 14" – 47" |
|---|---|
| Weight: | 35.5 kg (Crawler) / 15.5 kg (Battery) |
| Battery: | Lead Acid 20Ah |
| Slope: | Max 30° |
| Drive: | Four Wheels (4WD) |
Heavy Duty Diameter
ZY-10C Magnetic Crawler
Heavy-duty 4WD crawler engineered for 20" to 60" pipelines.
| Pipe OD: | 20" – 60" |
|---|---|
| Weight: | 50 kg (Crawler) / 63 kg (Battery) |
| Battery: | Lead Acid 17Ah |
| Slope: | Max 40° |
| Drive: | Four Wheels (4WD) |
Official Datasheet Technical Specification Matrix
| Technical Parameter | ZY-4C | ZY-3C | ZY-12C | ZY-10C |
|---|---|---|---|---|
| Locating System | Magnetic & Micro Video Control (Position Precision: ±3 mm) | |||
| Moving Distance | 5 km Continuous Range | |||
| Available Pipe OD | 8" – 14" | 12" – 28" | 14" – 47" | 20" – 60" |
| Crawler Dimensions (mm) | 1490 × 170 × 150 | 1300 × 190 × 200 | 1065 × 190 × 182 | 1350 × 240 × 350 |
| Crawler Weight | 30 kg | 45 kg | 35.5 kg | 50 kg |
| Lead Acid Battery | 7 Ah (28 kg) | 12 Ah (44 kg) | 20 Ah (15.5 kg) | 17 Ah (63 kg) |
| Max Climbing Slope | 20° | 30° | 30° | 40° |
| Turning Radius | ≥ 10D | ≥ 10D | ≥ 10D | ≥ 7D |
| Drive Type | Two Wheels (2WD) | Two Wheels (2WD) | Four Wheels (4WD) | Four Wheels (4WD) |