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AIRTAC filter-regulators are classified into GA Series (GAFR/GAFR100), A/B Series (AFR/BFR), and Precision Series (GPFR), covering flow rates from miniature to large, and pressure ranges from standard to low-pressure, meeting diverse industrial pneumatic system requirements.
一、Model Naming Rules
- GAFR Series (GA Series Standard Filter-Regulator)
GAFR[Size]-[Port][Bowl][Drain][Type][Thread][Reflux]
| Field | Meaning | Available Values |
| GAFR | Series Prefix: GA Series Filter-Regulator | – |
| Size | Body Size | 100(Miniature), 200(GA200), 300(GA300), 400(GA400), 500(GA500), 600(GA600) |
| Port | Port Size | M5, 06(1/8″), 08(1/4″), 10(3/8″), 15(1/2″), 20(3/4″), 25(1″) |
| Bowl | Bowl Material | Blank(PC), C(Metal), N(Nylon) |
| Drain | Drain Type | Blank(Semi-auto), A(Automatic) |
| Type | Pressure Type | S(Standard, 0.15-0.9MPa), L(Low Pressure, 0.15-0.4MPa) |
| Thread | Thread Type | Blank(PT), T(NPT) |
| Reflux | Reflux Valve | K(With Reflux), Blank(Without) |
Example: GAFR300-10CASTK = GA300 Series, 3/8″ Port, Metal Bowl, Automatic Drain, Standard Pressure, NPT Thread, With Reflux Valve
- AFR/BFR Series (A/B Series Compact Filter-Regulator)
| Field | Meaning | Available Values |
| Series | Series Prefix | AFR(Small Body), BFR(Large Body) |
| Size | Body Size | 1500, 2000, 3000, 4000 |
| Port | Port Size | 06(1/8″), 08(1/4″), 10(3/8″), 15(1/2″) |
| Bowl | Bowl Material | C(Metal), P(PC) |
| Drain | Drain Type | Manual, Semi-auto, Automatic |
| Type | Pressure Type | S(Standard), L(Low Pressure) |
Example: AFR2000-08CS = AFR Series, 2000 Size, 1/4″ Port, Metal Bowl, Semi-auto Drain, Standard Pressure
- GPFR Series (Precision Filter-Regulator)
| Field | Meaning | Available Values |
| GPFR | Series Prefix: Precision Filter-Regulator (5μm) | – |
| Size | Body Size | 200, 300, 400 |
| Port | Port Size | 06(1/8″), 08(1/4″), 10(3/8″), 15(1/2″) |
| Bowl | Bowl Material | C(Metal), P(PC) |
| Drain | Drain Type | A(Automatic), S(Semi-auto) |
Example: GPFR300-10CA = Precision Series, 300 Size, 3/8″ Port, Metal Bowl, Automatic Drain
2、Core Series Complete Model List
- GAFR100 Series (Miniature Filter-Regulator)
Miniature size for small flow applications, with M5 and 1/8″ ports.
| Basic Model | Port Size | Bowl Material | Drain Type | Pressure Type | Thread Type | Reflux Valve | Full Model Example |
| GAFR100 | M5, 06(1/8″) | Blank(PC), C(Metal) | Blank(Semi-auto), A(Automatic) | S(Standard) | Blank(PT), T(NPT) | K(With), Blank(Without) | GAFR100M5C-3, GAFR10006AST |
- GAFR Series (GA200~GA600 Standard Filter-Regulator)
Full-size series with comprehensive specifications, covering 1/8″~1″ ports.
GA200 Series (1/8″, 1/4″)
GAFR200-06 (1/8″): GAFR200-06S, GAFR200-06LS, GAFR200-06CAS, GAFR200-06CASTK
GAFR200-08 (1/4″): GAFR200-08S, GAFR200-08LS, GAFR200-08NAS, GAFR200-08NATK
GA300 Series (1/4″, 3/8″, 1/2″)
GAFR300-08 (1/4″): GAFR300-08S, GAFR300-08LS, GAFR300-08CAS, GAFR300-08CASTK
GAFR300-10 (3/8″): GAFR300-10S, GAFR300-10LS, GAFR300-10CAS, GAFR300-10CASTK
GAFR300-15 (1/2″): GAFR300-15S, GAFR300-15LS, GAFR300-15CAS, GAFR300-15CASTK
GA400 Series (3/8″, 1/2″)
GAFR400-10 (3/8″): GAFR400-10S, GAFR400-10LS, GAFR400-10CAS, GAFR400-10CASTK
GAFR400-15 (1/2″): GAFR400-15S, GAFR400-15LS, GAFR400-15CAS, GAFR400-15CASTK
GA500 Series (3/4″)
GAFR500-20 (3/4″): GAFR500-20S, GAFR500-20LS, GAFR500-20CAS, GAFR500-20CASTK
GA600 Series (3/4″, 1″)
GAFR600-20 (3/4″): GAFR600-20S, GAFR600-20LS, GAFR600-20CAS, GAFR600-20CASTK
GAFR600-25 (1″): GAFR600-25S, GAFR600-25LS, GAFR600-25CAS, GAFR600-25CASTK
- AFR/BFR Series (A/B Compact Filter-Regulator)
Compact design for space-saving applications, available in small and large body sizes.
AFR Series (Small Body)
AFR1500: AFR1500-06, AFR1500-08
AFR2000: AFR2000-06, AFR2000-08, AFR2000-10, AFR2000-15
BFR Series (Large Body)
BFR2000: BFR2000-06, BFR2000-08, BFR2000-10, BFR2000-15
BFR3000: BFR3000-08, BFR3000-10, BFR3000-15
BFR4000: BFR4000-10, BFR4000-15
Each model has variants:
Bowl: C(Metal), P(PC)
Drain: Manual, Semi-auto, Automatic
Pressure: S(Standard), L(Low Pressure)
- GPFR Series (Precision Filter-Regulator)
High-precision filtration (5μm) for clean air requirements, suitable for sensitive equipment.
GPFR200: GPFR200-06, GPFR200-08
GPFR300: GPFR300-08, GPFR300-10, GPFR300-15
GPFR400: GPFR400-10, GPFR400-15
Each model has variants:
Bowl: C(Metal), P(PC)
Drain: A(Automatic), S(Semi-auto)
三、Series Characteristics & Selection Guide
- Core Technical Parameters Comparison
| Series | Filtration Precision | Pressure Range | Max Pressure | Port Size | Body Size | Application |
| GAFR100 | 40μm/5μm | 0.15-0.9MPa | 1.0MPa | M5, 1/8″ | Miniature | Small instruments, precision equipment |
| GAFR | 40μm/5μm | 0.15-0.9MPa (S), 0.15-0.4MPa (L) | 1.0MPa | 1/8″~1″ | Standard | General industrial, large flow |
| AFR/BFR | 40μm | 0.15-0.9MPa (S), 0.15-0.4MPa (L) | 1.0MPa | 1/8″~1/2″ | Compact | Space-saving applications, automation lines |
| GPFR | 5μm | 0.15-0.9MPa | 1.0MPa | 1/8″~1/2″ | Standard | Clean rooms, electronic manufacturing |
- Selection Key Points
- Flow Rate: Choose body size based on system flow (GAFR200: 1200L/min, GAFR300: 2800L/min, GAFR400: 4800L/min)
- Filtration Precision: 40μm for general applications, 5μm for precision equipment
- Pressure Requirements: Standard (S) for 0.15-0.9MPa, Low Pressure (L) for 0.15-0.4MPa
- Environment: Metal bowl for high temperature/vibration, PC bowl for general, Nylon bowl for chemical resistance
- Drain Type: Automatic drain for unmanned operation, Semi-auto drain for cost-saving
- Reflux Valve: K-type with reflux function for special circuits
4、Common Model Examples
| Model | Description | Application |
| GAFR200-08S | GA200, 1/4″, PC bowl, semi-auto drain, standard pressure | General pneumatic circuits, small air cylinders |
| GAFR300-10CASTK | GA300, 3/8″, metal bowl, automatic drain, standard pressure, NPT, with reflux | Industrial automation lines, food processing |
| GAFR100M5C | Miniature, M5, metal bowl, semi-auto drain | Medical equipment, laboratory instruments |
| AFR2000-08CS | AFR small body, 1/4″, metal bowl, semi-auto drain, standard pressure | Compact automation equipment, robotic arms |
| GPFR300-15CA | Precision, 1/2″, metal bowl, automatic drain, 5渭m filtration | Electronic manufacturing, clean air systems |
AIRTAC filter-regulator series cover miniature to large sizes, 1/8″ to 1″ ports, and standard to precision filtration, providing comprehensive solutions for industrial pneumatic systems. The GAFR series is the most complete, with multiple options for bowl material, drain type, pressure range, thread type, and reflux valve, meeting diverse application requirements.
