ASAHI Precision (A&D)
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| Brand | ASAHI Precision (A&D) |
|---|---|
| Origin | Japan |
| Model | 735BB1 |
| Pressure Range | 0–0.3 MPa |
| Input Signal | 0–5 V DC (configurable to 0–10 V or 4–20 mA) |
| Supply | External pilot pressure required, no internal air supply |
| Power | 24 V DC |
| Port Size | 3/8″ NPT |
| Valve Body Material | ADC12 aluminum alloy |
| Diaphragm & Seal Material | NBR standard (Viton, Teflon, polyurethane optional) |
| Orifice Diameter | 11 mm |
| Response Time | <0.05 s (no-load) |
| Hysteresis | ≤ ±0.05% FS |
| Linearity | ≤ ±0.3% FS (sensor-dependent) |
| Consumption | ≤1.5 L/min (standard), up to 5 L/min (high-speed variant) |
| Weight | 1.8 kg |
| Insulation Resistance | >1 MΩ |
| Mounting Orientation | Omnidirectional (no orientation-induced drift) |
| Sensor Compatibility | External analog sensors — pressure (voltage/current), flow, position (0–10 V or 4–20 mA) |
| Control Principle | Force-balance + digital PID algorithm |
| Operating Fluid | Compressed air only (external pilot-controlled relief mode) |
| Brand | ASAHI Precision (A&D) |
|---|---|
| Origin | Japan |
| Model | 944BA1 |
| Operating Pressure Range | Up to 1.0 MPa |
| Input Signal Options | 0–5 V, 0–10 V, or 4–20 mA (configurable via model suffix) |
| Pilot Pressure Requirement | ≤ 2/3 × max. operating pressure + α |
| Power Supply | 24 VDC |
| Port Size | 1/2″ |
| Fluid Compatibility | Liquids and gases non-corrosive to PTFE, Viton®, and brass |
| Diaphragm Material | PTFE |
| Seal Material | Viton® |
| Valve Body Material | Brass |
| Full-Scale Orifice Diameter | Φ16 mm |
| Zero Drift | ±1% FS (orientation-dependent) |
| Control Principle | Force-balance + PI feedback control |
| Hysteresis | ≤ ±0.2% FS |
| Linearity | ≤ ±1% FS |
| Response Time (no-load) | < 0.5 s |
| Air Consumption | ≤ 5 L/min (high-speed variant) |
| Weight | 2.3 kg |
| Insulation Resistance | > 1 MΩ |
| Input Impedance | ≥ 1 kΩ (voltage), ≤ 300 Ω (current) |