VAvat B1123-22 High Vacuum Pneumatic Baffle Valve (Stainless Steel Welded Series)
Key specifications
Description
Excellent compactness and high cost performance, suitable for all industries; stable dynamic balance; manufactured by vacuum welding. Material: Stainless steel (vacuum welded). Sealing: O-ring seal / bellows seal. Opening diameters: DN200~400 (ISO-K), DN150-U6 (固定法兰), DN200-U8 (固定法兰), DN250-U10 (固定法兰).
Technical data
| Series | VAvat |
|---|---|
| Opening diameter / bore | DN200~400 (ISO-K) · DN150-U6 (fixed flange) · DN200-U8 (fixed flange) · DN250-U10 (fixed flange) |
| Main material | Stainless steel |
| Driver | Pneumatic, double-acting (solenoid valve optional) |
| Flange type | ISO-K · Fixed flange |
| Sealing method | O-ring seal / bellows seal |
| Leakage rate | < 1 × 10⁻⁹ mbar·L/s (valve body, valve seat) |
| Pressure range (bellows series) | 1 × 10⁻⁸ mbar – 2 bar (DN200–DN250); – 1.6 bar (DN320–DN400); – 1 bar (DN500–DN1250) |
| Pressure range (seal ring series) | 1 × 10⁻⁸ mbar – 1.6 bar (DN200–DN250); – 1.2 bar (DN320–DN400); – 1 bar (DN500–DN1250) |
| Pressure difference across valve plate (opening direction) | ≤ 1.2 bar (DN200–DN250); ≤ 1 bar (DN320–DN1250) |
| Pressure difference across valve plate (closing direction) | ≤ 1.6 bar (DN200–DN250); ≤ 1.2 bar (DN320–DN400); ≤ 1 bar (DN500–DN1250) |
| Instantaneous pressure difference at opening | ≤ 1 bar |
| Number of cycles until first maintenance (≤ 80 °C) | 800,000 (DN200–DN250, NC/NO) |
| Operating temperature | Valve body ≤ 150 °C; drive element ≤ 120 °C; position feedback device ≤ 80 °C |
| Installation position | Any direction |
| Compressed air range | 0.5 MPa – 0.7 MPa |
| Solenoid valve parameters | 24V DC, 2W (optional accessory) |
| Position feedback | Imported wear-resistant elastic switch / magnetic induction switch; AC ≤ 50 V / DC ≤ 24 V; 5–100 mA |
| Other sizes | Available upon inquiry and customization |
| Example model numbers | VAvat-B1123-22-DN200~400 · VAvat-B1123-22024-DN200~400 · VAvat-B1123-22-DN150-U6 · VAvat-B1123-22-DN200-U8 · VAvat-B1123-22-DN250-U10 · VAvat-B1123-22024-DN150-U6 |
FAQ
What flange or port does the B1123-22 use?
B1123-22 connections: Flange type ISO-K · Fixed flange.
How do I get a price and lead time for the B1123-22?
Send the model and quantity through the quote form on this page, or email vacuum@xiamenbest.com. We reply with price and lead time within 24 hours, and ship worldwide from Xiamen, China.
Need a confirmed configuration?
Share your application, target vacuum and voltage. We will match the pump or part and return a formal quote.
We build an equivalent — same duty, far lower cost
Taixing is a vacuum equipment manufacturer with its own 20,000 m2 plant and sixteen years in the industry. We build Products to the same duty as this imported unit, at factory-direct cost. Send your process conditions (gas, pressure range, flow) and we will match a model and quote.
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