**Vacuum Block Valves**
This series of vacuum block valves includes manual, pneumatic, and electromagnetic types. The design is well-structured and aesthetically pleasing, offering excellent performance and reliability. These valves are known for their stability, compact size, durability, strong sealing capabilities, and long service life, making them ideal for a wide range of vacuum applications.
**Key Features:**
1. Simple structure, easy to install and maintain.
2. Easy to clean and operate.
3. Energy-efficient electromagnetic valves with a small footprint.
**Technical Specifications:**
- **Operating Pressure Range:**
- 1×10â»â¶ PA to 1.2×10âµ PA (Bellows sealed)
- 1×10â»âµ PA to 1.2×10âµ PA (Viton O-ring sealed)
- **Differential Pressure Before Valve Closure:** ≤1.2×10ⵠPA in any direction
- **Leak Rate of Valve Body and Base:** ≤1.3×10â»â· PA·L/s
- **Cycles Before First Maintenance:** 200,000 cycles
- **Baking Temperature for Valve Bodies:** ≤150°C
**Installation Position:**
- **Manual Valves:** Any direction
- **Pneumatic Valves:** Any direction
- **Electromagnetic Valves:** Any direction (Bellows sealed); Sealed surface facing the vacuum (Viton O-ring sealed)
**Power Supply:**
- **Pneumatic Valves:** AC 220V 50Hz, 6W or DC 24V, 3W (Custom options available)
- **Electromagnetic Valves:** AC 220V or 230V 50Hz; Starting Power: 800W; Working Power: 8W
**Compressed Air (for Pneumatic Valves Only):** 0.4–0.7 MPa
**Valve Operation Time:**
- **Pneumatic Valves:** ≤1 second
- **Electromagnetic Valves:** Open ≤0.1s; Close ≤1s (Viton O-ring sealed); Close ≤0.5s (Bellows sealed)
**Position Indication:**
- **Manual Valves:** Clear indication of open and closed positions
- **Pneumatic Valves:** Indication of open and closed positions via magnet switch
- **Electromagnetic Valves:** Indication of open position
**Order No. Table:**
| Order No. (mm) | DN (mm) | Stainless Steel | Manual | Manual | Pneumatic | Pneumatic | Pneumatic | Pneumatic |
|----------------|---------|------------------|--------|--------|-----------|-----------|-----------|-----------|
| | | | LF | GB-LP | LF | GB-LP | LF | GB-LP |
| | | | 1 | 2 | 1 | 2 | 1 | 2 |
| 63 | 2067 | 2023 | 2068 | 2024 | 2265 | 2217 | 2266 | 2218 |
| 80 | 2069 | 2025 | 2070 | 2026 | 2267 | 2219 | 2268 | 2220 |
| 100 | 2071 | 2027 | 2072 | 2028 | 2269 | 2221 | 2270 | 2222 |
| 160 | 2073 | 2029 | 2074 | 2030 | 2271 | 2223 | 2272 | 2224 |
| 200 | _ | _ | _ | _ | 2273 | 2225 | 2274 | 2226 |
| 250 | _ | _ | _ | _ | 2275 | 2227 | 2276 | 2228 |
These vacuum block valves are designed to meet high standards of performance and reliability in vacuum systems, making them suitable for industrial, laboratory, and research environments where precision and durability are essential. Whether you need a manual, pneumatic, or electromagnetic valve, this series offers a flexible and efficient solution for your vacuum control needs.
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