Swagelok® Thermal-Immersion Diaphragm Valves (DH Series)
Swagelok thermal-immersion diaphragm valves offer high-speed actuation and are designed for optimum performance in high-temperature processes.
Request More InformationThe DH series thermal-immersion diaphragm valve is designed for applications where the valve needs to be entirely contained within a high-temperature, high-purity environment such as atomic layer deposition (ALD) and precursor delivery applications. Its fully contained high-purity grade PFA seat provides a broad range of chemical compatibility and excellent resistance to swelling and contamination. The fully swept flow path in the body minimizes entrapment areas and maximizes flow capacity.
Flow coefficients up to 0.60, a variety of 1/4 and 3/8 in. end connections, and pneumatically and manually actuated models—with the normally closed actuator capable of a valve opening or closing time of less than 5 ms—are available to meet a wide range of system needs. The valve is designed for optimal performance at 220°C (428°F).
Specifications
| Working Pressure | Vacuum to 70 psig (4.8 bar) |
| Burst Pressure | > 3200 psig (220 bar) |
| Actuation Pressure | 60 to 90 psig (4.1 to 6.2 bar) |
| Temperature | 20° to 220°C (70° to 428°F) |
| Flow Coefficient | |
| "H" type VCR® Connections | 0.60 at 20°C (70°F) 0.40 at 220°C (428°F) |
| VCR and all other connections | 0.30 at 20°C (70°F) 0.21 at 220°C (428°F) |
| Modular surface-mount body | 0.25 at 20°C (70°F) 0.21 at 220°C (428°F) |
| Body Material | 316L VIM-VAR stainless steel |
| Diaphragm Material | Cobalt-based superalloy |
| End Connections | |
| Type | VCR and "H" type VCR metal gasket face seal fittings, tube butt weld; modular surface mount (MSM) |
| Size | 1/4 and 3/8 in. 1.125 and 1.5 in. MSM |
DH Series Thermal-Immersion Diaphragm Valves Catalogs
Locate detailed product information, including materials of construction, pressure and temperature ratings, options, and accessories.
Swagelok thermal-immersion diaphragm valves offer high-speed actuation and are designed for optimum performance at 220 degrees C (428 degrees F) for high-temperature processes.
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