Needle Valve, Diverter 20DV Series - 20,000 PSI
Parker Autoclave’s 20DBNV Series is a three valve block and bleed compact system that is designed for blocking, bleeding, and calibration of instrumentation systems. This valve is a non-rotating rising stem design, rated to 20,000 psi (1379 bar).
Parker Autoclave's 20DBNV Series double block and bleed needle valves are a three system manifold valve providing an economical and convenient method of blocking, bleed¬ing and calibrating pressure transmitters and gauges. The valve utilizes standard valve packing and stem design making it compact and easy to use.
These valves have a rising stem bar stock body design with working pressures to 20,000 psi (1379 bar). The cone and thread connections utilize Parker Autoclave tubing with sizes from 1/4" to 3/8”". Operating temperatures can go from 0°F to 800°F (-17.8°C to 427°C) with special graphite braided yarn packing (GY). 316 stainless steel construction is the standard material with other options available. Along with their many features these valves provide dependable and trouble free service in wide variety of applications.
Markets:
• Oil and Gas
• Petrochemical
• Chemical
Features/Benefits:
• 20DBNV Series valve design provides large valve performance in a small package.
• Tubing sizes: 1/4" to 1".
• Rising stem/bar stock body design.
• Metal-to-metal seating achieves bubble-tight shut-off, longer stem/seat life in abrasive
flow, greater durability for repeated on/off cycles and excellent corrosion resistance.
• PTFE encapsulated packing provides dependable stem and body sealing.
• Stem and packing gland design have been selected to achieve extended thread cycle life and reduced handle torque.
• Temperatures from -100°F (-73°C) to 600°F (316°C)
Applications:
• Calibrating Transmitters
• Gauge Testing
• Pressure Monitoring and Test
• Chemical Injection
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Parker Hannifin Corporation
Instrumentation Products Division
1005 A Cleaner Way
Huntsville, AL 35805 USA
Teléfono
+1 (256) 881-2040
Fax
+1 (256) 881-5072
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