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4GD210 belongs to the CKD 4GD/ER Series pilot-operated 3/5-way solenoid valve (direct-piping single valve). Its core specification is 5/2-way single solenoid.
The series is classified by valve function type, port size, coil specification, and explosion-proof rating, forming a complete model matrix.
- Model Naming Rule (Kernlogik)
| Field | Beschreibung | Available Values |
| 4GD | Series Prefix: Pilot-operated 3/5-way valve (direct-piping single unit) | – |
| □□□ | Funktion: Flow size + Control type + Base type | 210 (5/2 single solenoid / with base), 219 (5/2 single solenoid / no base), 220 (5/2 double solenoid / with base), 229 (5/2 double solenoid / no base), 310 (3/2 normalerweise geschlossen / with base), 319 (3/2 normalerweise geschlossen / no base), 320 (3/2 normalerweise offen / with base), 329 (3/2 normalerweise offen / no base) |
| [R] | Special Suffix: Flow return type (optional) | R (return), None (Standard) |
| □□ | Port Size | C4 (Φ4 push-in), C6 (Φ6 push-in), C8 (Φ8 push-in), 06 (Rc1/8), 08 (Rc1/4), M5 (M5 thread) |
| □□□ | Coil Specification | E2C (DC24V), E2HC (DC24V high humidity), E01 (DC12V), A2N (AC100V), A2NH (AC100V high humidity), A220 (AC220V) |
| 3 | Standard Suffix: China version | 3 (China), 5 (North America), 6 (Europe) |
- Core Basic Series (Non-Explosion-Proof / Standard Type)
2.1 5/2-way Single Solenoid (4GD210/219 Core Family)
| Basic Model | Port Size | Coil Spec | Full Model Example | Bemerkungen |
| 4GD210 (with base) | C4/C6/C8/M5/06/08 | E2C/E2HC/E01/A2N/A2NH/A220 | 4GD210-C6-E2C-3 (your model) | Standard single solenoid, with piping base |
| 4GD219 (without base) | C4/C6/C8/M5/06/08 | E2C/E2HC/E01/A2N/A2NH/A220 | 4GD219-06-A2N-3 | For maintenance, no piping base |
| 4GD210R (return type) | C4/C6/C8/M5/06/08 | E2C/E2HC/E01/A2N/A2NH/A220 | 4GD210R-C6-E2C-3 | With return function, for special circuits |
| 4GD219R (return, no base) | C4/C6/C8/M5/06/08 | E2C/E2HC/E01/A2N/A2NH/A220 | 4GD219R-08-E2HC-3 | Return type + Wartung, no base |
2.2 5/2-way Double Solenoid (4GD220/229 Series)
| Basic Model | Port Size | Coil Spec | Full Model Example | Bemerkungen |
| 4GD220 (with base) | C4/C6/C8/M5/06/08 | E2C/E2HC/E01/A2N/A2NH/A220 | 4GD220-C8-E2C-3 | Double solenoid, with base, no return spring |
| 4GD229 (without base) | C4/C6/C8/M5/06/08 | E2C/E2HC/E01/A2N/A2NH/A220 | 4GD229-06-A220-3 | Double solenoid for maintenance, no base |
| 4GD220R (return type) | C4/C6/C8/M5/06/08 | E2C/E2HC/E01/A2N/A2NH/A220 | 4GD220R-C6-E2C-3 | Double solenoid + return function |
2.3 3/2-way Single Solenoid (4GD310/319/320/329 Series)
| Function Type | Basic Model | Port Size | Full Model Example |
| Normalerweise geschlossen (NC) | 4GD310 (with base) / 319 (without base) | C4/C6/C8/M5/06/08 | 4GD310-M5-E2C-3 |
| Normalerweise geöffnet (NEIN) | 4GD320 (with base) / 329 (without base) | C4/C6/C8/M5/06/08 | 4GD320-06-A2N-3 |
- Explosion-Proof Series (4GDE EX Intrinsically Safe Type)
Based on core specifications of 4GD210/220/310, upgraded with Ex ib IIB T4 Gb explosion-proof certification for hazardous environments.
| Basic Model | Port Size | Explosion-Proof Coil | Full Model Example |
| 4GDE210EX (5/2 single solenoid) | C6/C8/06/08 | E2C-EX/E01-EX | 4GDE210EX-C6-E2C-EX-3 |
| 4GDE220EX (5/2 double solenoid) | C6/C8/06/08 | E2C-EX/E01-EX | 4GDE220EX-08-E2C-EX-3 |
| 4GDE310EX (3/2 normalerweise geschlossen) | C6/C8/06/08 | E2C-EX/E01-EX | 4GDE310EX-C6-E01-EX-3 |
- Series Derivative Models (Integrated / Special Specifications)
4.1 Integrated Manifold Series (M4GD/ER)
Integrated version based on 4GD single valves, supporting multi-station manifold mounting:
M4GD210-C6-E2C-5-3 (5-station manifold, Φ6 push-in, DC24V)
M4GD220R-06-A2N-8-3 (8-station manifold, return type, AC100V)
4.2 Special Environment Specifications
| Specification Type | Full Model Example | Anwendung |
| High Corrosion Environment | 4GD210-C6-E2C-3-CS | Chemical / marine environment, anti-corrosion coating |
| Food Grade | 4GD210-C6-E2C-3-FL | Food / pharmaceutical, stainless steel material |
- Core Selection Comparison Table (Most Relevant to 4GD210)
| Anwendung | Empfohlenes Modell | Unterschied |
| Standard 5/2 single solenoid (replace 4GD210) | 4GD210-[Port]-[Coil]-3 | Fully compatible, select by port/voltage |
| Batch maintenance replacement | 4GD219-[Port]-[Coil]-3 | No base, lower cost, fits existing base |
| Circuit requires return function | 4GD210R-[Port]-[Coil]-3 | With return passage to avoid air resistance |
| Hazardous environment (explosion-proof) | 4GDE210EX-[Port]-E2C-EX-3 | Intrinsically safe explosion-proof, Ex ib IIB T4 Gb |
| Double solenoid (no return spring) | 4GD220-[Port]-[Coil]-3 | Dual coil control, position hold at power off |
The CKD 4GD/ER Series where 4GD210 belongs takes 210 (5/2 single solenoid with base) as the core, and derives five categories:
219 (without base), 220 (double solenoid), 310/320 (3/2-way), R (return), EX (explosion-proof).
It covers full port sizes: Φ4–Φ8 push-in, M5–Rc1/4 thread,
and full voltage ratings: DC12V/24V, AC100V/220V,
meeting requirements from general industrial to explosion-proof and integrated applications.
