4600 Series Gasketed & Welded Diaphragm Valves
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Available in gasketed and welded versions, this valve offers a Cv of 0.2. Operating temperature range of the welded construction version is −65° to +600° F [−54° to +316° C], permitting it to be used for high temperature bake-out. The gasketed version can be used in high vacuums, corrosive fluids, and gas analysis. |
Typical Applications
- High temperature bake-out
- High vacuum
- Instrumentation
- Research labs
- Gas analysis
- Corrosive fluids
Features & Benefits
- Monel® construction
- Diaphragm provides low internal volume and low dead space
- 1/4″ socket weld tube extensions
- All welded models may be used for bake-out temperatures to 600° F [316° C] – plastic handle cap must be removed
- Select from globe or angle flow patterns
- Compact size
- All models can be base mounted
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Gasketed Valves
- Square drive on handle permits reach rod operation for remote areas
- Easy replacement of diaphragm assembly
- Special High Tolerance NPT Thread
Technical Data
| Gasketed | Welded | |
|---|---|---|
| Maximum Operating Pressure | 300 psig @ 70° F [2.07 MPa @ 21° C] |
Vacuum to 300 psig @ 70° F [to 2.07 MPa @ 21° C] |
| Vacuum | 10−5 torr | — |
| Temperature Range | −65° F to +240° F [−54° C to +116° C] | −65° F to +600° F [−54° C to +316° C] |
| Orifice Size | 0.125 [3.2 mm] | 0.125 [3.2 mm] |
| Cv Factor | 0.2 | 0.2 |
| Internal Volume | 0.11 cubic inches | 0.11 cubic inches |
| Helium Leak Test | Envelope max.: 5 × 10−9 scc/sec Seat max.: 1 × 10−8 scc/sec |
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