AirTAC 2LA Series: Stainless Steel Direct Acting Normally Closed (NC) Valve
The AirTAC 2LA Series (Direct Acting) is a specialized 2/2-way solenoid valve designed for the precision control of high-temperature fluids and steam. Constructed with a 304 Stainless Steel body and high-performance PTFE (Teflon) seals, it is built to survive extreme thermal environments where standard brass or NBR valves would fail.
As a Direct Acting valve, it does not require a minimum pressure differential to operate, making it the ideal choice for zero-pressure startups in steam sterilization, medical autoclaves, and low-pressure high-heat oil systems.
Key Product Features
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High-Temperature Performance: Specifically designed to handle steam up to 183°C and hot oil or water up to 150°C.
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Zero-Pressure Startup: The solenoid coil directly actuates the plunger, allowing the valve to open and close reliably even at 0 MPa (0 psi).
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304 Stainless Steel Construction: Provides excellent structural integrity and corrosion resistance, essential for food-grade or chemical-heavy steam applications.
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Standard PTFE Seals: The use of Teflon (PTFE) ensures a high degree of chemical compatibility and prevents the seal from becoming "gummy" or brittle under intense heat.
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Normally Closed (NC) Logic: The valve remains tightly shut when de-energized, acting as a critical safety barrier in high-pressure steam lines.
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Class H High-Heat Coil: Equipped with premium insulation (Class H) to protect the electrical windings from the high ambient temperatures common in steam-fed machinery.
Specifications
| Model \ Item | Port size [Note 1] | Orifice size (ømm) | Cv | Valid area or section (mm²) | Weight [Note 2] (g) | Max operating pressure differential | Proof pressure | |||
| Mpa | psi | Mpa | psi | |||||||
| 2LAH030 | 06 | 1/8" | 2 | 0.18 | 3 | 244.5 | 2 | 300 | 3 | 450 |
| 08 | 1/4" | 234.5 | ||||||||
| 2LA030 | 06 | 1/8" | 3 | 0.33 | 6 | 244.5 | 1 | 150 | ||
| 08 | 1/4" | 234.5 | ||||||||
| 2LAH050 | 10 | 3/8" | 4 | 0.55 | 10 | 529 | 2 | 300 | ||
| 15 | 1/2" | 509 | ||||||||
| 2LA050 | 10 | 3/8" | 5 | 0.83 | 15 | 529 | 1 | 150 | ||
| 15 | 1/2" | 509 | ||||||||
| Specification of coil | ||||||||||
| Valve type | Coil type | Power type | Frequency (Hz) | Voltage range | Electrical entry | Power consumption (VA/W) | Insulation | Temp. rise (˚C) | ||
| 2LA030 | CDA 110H CLA 110H | AC | 50 | ±15% | Terminal (CDA) Grommet (CLA) | 10.0VA | Class H | 50 | ||
| 60 | 8.0VA | 45 | ||||||||
| DC | - | ±10% | 6.5W | 50 | ||||||
| 2LA050 | CDA 160H CLA 160H | AC | 50 | ±15% | 25.0VA | 65 | ||||
| 60 | 22.0VA | 60 | ||||||||
| DC | - | ±10% | 12.0W | 50 | ||||||
| Valve's specification | ||||||||||
| Acting | Direct acting | |||||||||
| Initial state | Normally closed | |||||||||
| Adaptable fluid | Steam, High temperature Water, Oil | |||||||||
| Viscosity limit | Under 20 CST | |||||||||
| Ambient and fluid temperature (˚C) | Oil | Water | Steam | Ambient | ||||||
| Max. | 150 | 150 | 183 | 100 | ||||||
| Min. | -10 [Note 1] | 1 | - | -20 | ||||||
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