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HOT-TAP Sensor Valve Retraction & Insertion Assembly Schematics

1-¼", 1-½" & 2" 316 Stainless Steel (316SS) Assemblies for
3/4" & 1" MNPT Threaded pH, ORP & Ion Selective Sensors

  • Customers are encouraged to fabricate their own "HOT-TAP" Sensor Valve retraction and insertion assemblies as all components (except the welded insertion tubes) are commercially available
  • Please use the schematics and bill of materials below as guides if you wish to fabricate these assemblies yourself.  Due to a variety of reasons, no further assistance can be provided by ASTI if you wish to fabricate your own assemblies
  • Customers can readily purchase these assemblies complete with support from ASTI from their local authrorized distributor.  To find the correct distributor in your area, please follow this LINK

Supporting Literature

Reference Value **

Cross-Sectional Schematic

 Double Ball Valve Cross Sectional Schematic
Installation Procedure Double Ball Valve Installation and Operations Instructions
Safety HOT TAP Sensor Pipe Mounting for Insertion through Ball Valve Pipe Assembly Line Drawing for HOT TAP Double Ball Valve Installations
Double Ball Valve Specifications Sheet Double Ball Valve Spec Sheet

** Please note all of these documents are still for the older (and now defunct) double ball sensor retraction assemblies.  Most of the basic concepts and design elements are still relevant for the current sensor valve retraction and insertion assemblies.  New schematics and specification sheets will be provided shortly that will be specific to the current style of assmeblies.  Until then, please use these older documents as a guide for your installations and contact the factory if you should need any additional assistance.

DOWNLOAD (PDF) THE COMPLETE BILL OF MATERIALS & PART NUMBERING GUIDE FOR THESE VALVE RETRACTION ASSEMBLIES

Close-Up Images to Assist in Fabrication of these Assemblies in your shop or to better understand our simple "HOT-TAP" sensor retraction design

Complete 2" Valve Retraction Assembly (Without 1" Insertion Tube)

Closeup on 2"X1" Reducer Coupling (Provides Blowout Protection) & 1" Compression Fitting Assembly

Closeup on 2" Full Port 316SS Ball Valve Assembly with ½" MNPT Full Port Pressure Relief Purge Port & Vent Valve

Advanced Sensor Technologies, Inc.
603 North Poplar Street, Orange, California 92868-1011 USA
Tel: + (1) 714-978-2837  Toll-Free: + (1) 888-969-2784 Fax: + (1) 714-978-6339 Website: http://www.astisensor.com
Manufacturing Long-Lasting Industrial pH Sensors, ORP sensors, Ion Selective Sensors & Conductivity Sensors for Difficult Inline Process Control Measurement and Monitoring Applications
Supplying Research Grade pH Electrodes, ORP Electrodes, Ion Selective Electrodes and Conductivity Electrodes for Laboratory Testing
Offering industry leading product developments and research services for OEM manufacturers and resellers requiring pH, ORP and Ion Selective Measurements for Medical In-Vitro and In-Vivo Applications and Industrial Inline, Immersion and Submersible Measurements