Series 4100: Diaphragm Sealed Multi-Turn Valves |
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Specifications |
- Pressure Range: vacuum to 3000 psig (207.8 bar)
- Temperature Range: -65°F to +149°F (-54°C to +65°C)
- Valve Seat: KEL-F
- Typical leak rate less than 2 X 10-8 cc/sec He.
- Extended Inlet for easy mounting and operation
- High Purity, Low Diffusion
- Flow coefficient Cv:0.26
- Style: Straight
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Series 4200: Teflon Packed Multi-Turn Valves |
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Specifications |
- Pressure Range: vacuum to 3000 psig (207.8 bar)
- Temperature Range: -65°F to +149°F (-54°C to +65°C)
- Valve Seat: All metal
- Style: Straight
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Flow coefficient Cv |
- 1/4" Tube Compression: 0.4
- 1/4" NPT(F): 0.6
- 1/2" NPT(M): 1.02
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Series 4250: "Fine Controlling" Metering Valves |
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Specifications |
- Pressure: 3500 psig (242 bar)
- Vacuum Rating: 1 X 10-5mm mercury
- Safety Factor: 4:1 per ASME Code
- Cv: Glove: 0.11; Angle: 0.12
- Internal & External Leakage: Zero
- Orifice Diameter: 0.093 inches
- O-Ring Material: Buna-N (Standard)
- Seat Material: Kel-F (Standard)
- Temperature Range: -40°F to +250°F (-40°C to +121°C)
- Handle Turns to open: 7 (Approximate)
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