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Published byCollin Morrison Modified over 9 years ago
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Instrumentation Developments in Stream Switch Valve Technology Steve Doe, Parker Hannifin Corporation
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Developments in Stream Switch Valve Technology Parker R-Max Stream Select System
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Developments in Stream Switch Valve Technology Systems Approach: Surface Mount Technology n Valve Module provides functionality of two 3-way ball valves n System functionality dependent of substrate “programming” n Standard o-ring seals
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Developments in Stream Switch Valve Technology
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Valve Module n Remove inner cap screws, plate & spring n Pull valve operator from module from module n Proven seat & seal technology from other valve products n Rated for gas or liquid service
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Developments in Stream Switch Valve Technology Valve Operator Module n Compact, but big enough to work on to work on n PCTFE Seat n Can be provided as kit n Rebuild kit available
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Developments in Stream Switch Valve Technology Field Serviceable Valve Module n Remove 4 cap screws n Replace valve module without breaking any tube connections
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Developments in Stream Switch Valve Technology
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System Disassembly & Assembly n Remove End Block by taking out end screws n Standard O-Ring seals
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Developments in Stream Switch Valve Technology System Disassembly & Assembly n Remove Valve Module/Substrate Assembly by taking out connecting screws n Standard O-Ring seals
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Developments in Stream Switch Valve Technology System Disassembly & Assembly n Special mounting screws provide defined thread load at each substrate connection
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Developments in Stream Switch Valve Technology Compact Assembly n Overall dimensions 7.97” x 2.91” n Including GC Module
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Developments in Stream Switch Valve Technology
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Lab Station Application n Automated sampling system n Defined purge and sample times set by DCS program times set by DCS program n Date & Time stamp sample n Kit complete with sample cylinder, valves, fittings, quick disconnects and hose assemblies available
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Developments in Stream Switch Valve Technology Multi Stream Application n 3 stream sampling system with 12” x 18” panel size n Live display at Parker’s booth n “Analyzer Pressure Regulation & Vent Recovery System” presentation by Frank Ruiz at Wednesday’s AM-II Process Analysis Session
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Developments in Stream Switch Valve Technology Specifications n Pressure:500 psig n Flow Capacity:Cv =.126 n Internal Volume:1 cc n Temperature:-15º to 400º F (Florocarbon) -30º to 275º F (Buna-n) -30º to 275º F (Buna-n) -70º to 275º F (Ethylene Propylene) -70º to 275º F (Ethylene Propylene) -20º to 200º F (Highly Fluorinated Fluorocarbon)
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Developments in Stream Switch Valve Technology Specifications n Cycle Life: 1,000,000+ n Actuation Air Pressure: System Pressure Actuating Pressure 0 psig46 psig 20040 40037 50036 0 psig46 psig 20040 40037 50036
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Developments in Stream Switch Valve Technology System Feature Summary n Surface mount design technology n Actuation position indicators n System approach, not double block & bleed valve n No external flow loop required n Up 500 psi system pressure with only 40 psi actuation pressure n Rated for liquid or gas service n Integral by-pass filter option for fast loop
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Developments in Stream Switch Valve Technology Release Status n Design introduction at ISA last August n Incorporated input from ISA introduction into final design n Pilot production complete in November n Beta-site testing underway at several end user locations with pilot production inventory n Full release and field introduction at PITTCON 2001 with full production inventory on hand
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Developments in Stream Switch Valve Technology Thank you! Questions?
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