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> Springless Diaphragm Valves for High Performance—DP Series
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Springless Diaphragm Valves for High Performance—DP Series
With 316L VIM-VAR construction, Swagelok® DP series diaphragm-sealed valves are suitable for a variety of ultrahigh-purity applications.
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Specifications
Working Pressure
Burst Pressure
Actuation Pressure
Temperature
Flow Coefficient
Body Material
Diaphragm Material
End Connections
• Type
• Size |
Vacuum to 3045 psig (210 bar)
Up to 12 200 psig (840 bar)
60 to 120 psig (4.2 to 8.2 bar)
–10 to 300°F (–23 to 150°C)
0.20 and 0.27
316L VIM-VAR stainless steel
Elgiloy®
VCR® face seal fitting, tube butt weld, Swagelok tube fitting, modular surface-mount (MSM)
1/4 in.; 6 mm
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More Information
Download the Springless Diaphragm Valves for High Performance—DP Series catalog.
Download the DP Series Diaphragm Valve Technical Report.
Download the Springless Diaphragm Valves (1.125 in.) for High Performance—DP Series catalog.
Download the DP Series Springless Diaphragm Valves (1.125 in.) Technical Report.
Find ultrahigh-purity DP series diaphragm valves in the product search.
More Ultrahigh-Purity Diaphragm Valves
Atomic layer deposition (ALD) valves
High-flow, springless diaphragm valves—DF series
Features
- Low-pressure and high-pressure models
- Fully contained PCTFE seat design provides:
- Excellent resistance to swelling and contamination
- Improved helium leak test performance
- Minimal particle generation
- Long cycle life.
- Optimal diaphragm design for long cycle life
- Fully swept flow path:
- Minimizes entrapment areas
- Facilitates purging
- Maximizes flow capacity.
Ultrahigh-Purity Springless Diaphragm Valve Process Specifications - Special cleaning, process designator P1: Special Cleaning and Packaging (SC-11)
- Special cleaning with non–ozone-depleting chemicals
- Performed in specially cleaned areas; valves are individually bagged
- 5 µin. (0.13 µm) average, machine finished.
- Ultrahigh-purity cleaning with a continuously monitored, deionized water, ultrasonic cleaning system
- Performed in ISO Class 4 work areas; valves are double bagged and vacuum sealed in cleanroom bags
- 5 µin. (0.13 µm) average, machine finished and electropolished.
Ultrahigh-Purity Springless Diaphragm Valve Testing
Inboard helium leak tested to a rate of 1 × 10–9 std cm3/s at the seat, envelope, and all seals. The DP series design has been helium leak tested to maximum leak rate of 1 × 10–10 std cm3/s.
Configurations
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| Multiport Valve |
Multivalve Manifolds |
- Two-port low-pressure valves
- Two-port high-pressure valves
- Modular surface-mount (MSM) configurations
- 1.5 in. MSM valves are IGC II compatible
- 1.125 in. size offers C-seal and W-seal models
- Multiport and elbow valves
- Multivalve manifolds
Options - Manual actuators
- Round, toggle, directional, and integral lockout handles available
- Seven handle colors available
- Pneumatic actuators
- Factory-assembled indicator switch and indicator switch kits available
- High-temperature polyimide seat
- Temperature rating from 50 to 300°F (10 to 150°C)
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