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GDQ-S200(B) pneumatic vacuum valve
,DN200 high vacuum baffle valve
,stainless steel vacuum valve
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Nominal DiameterDN200
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Conductance2000 L/s
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Leak Tightness≤1.3×10⁻⁷ Pa·L/s
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Temperature≤120 °C
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Air Source0.4~0.7 MPa
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Body MaterialStainless Steel
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Dimensions503×200×178×258×356×320×94 Mm
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Place of OriginChina
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Brand NameBAOSI
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CertificationCE
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Model NumberGDQ-S200(B)
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Minimum Order Quantity1 piece
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PriceNegotiable
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Packaging DetailsCarton / wooden box
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Delivery Time5-10 days
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Payment TermsT/T
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Supply Ability1000 pieces per month
GDQ-S200(B) Pneumatic High Vacuum Baffle Valve DN200 Stainless Steel
GDQ-S200(B) Pneumatic High Vacuum Baffle Valve
The GDQ-S200(B) is a pneumatic high vacuum baffle valve for DN200 vacuum lines, with welded bellows sealing rated for 800,000 cycles and a conductance of 2000 L/s.
Key Features
- Standardized modular design for easy replacement and repair
- Dust-proof design suitable for processes with a small amount of dust
- AM350 welded dynamic seal with 800,000 to 1,000,000 cycles service life
- Micro switch and magnetic switch position feedback
- Anodized aluminium alloy valve body with energy-saving solenoid
- Manual and pneumatic versions with mechanical position indication
Technical Data
| Model | GDQ-S200(B) |
| Nominal diameter (DN) | DN200 mm |
| Pressure range | 1*10⁻⁵ ~ 1*10⁵ Pa |
| Leak tightness | ≤1.3*10⁻⁷ Pa·L/s |
| Conductance | 2000 L/s |
| Cycles until first service | 800,000 times |
| Opening / closing time | ≤2.8 s |
| Temperature | ≤120 °C |
| Power supply | AC 220 V 50 Hz 6 W or DC 24 V 3 W |
| Air source | 0.4~0.7 MPa |
| Position indication | Magnetic switch / mechanical indicator |
| Installation position | Any |
| Dimensions A*B*C*D1*E*F*G | 503*200*178*258*356*320*94 mm |
| Body material | Stainless steel |
Applications
High vacuum systems, coating, semiconductor, vacuum furnace, analytical instruments and general vacuum pipelines.
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