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+GF+ Signet 3719 Operating Instructions Manual

Ph/orp wet-tap
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Signet 3719 pH/ORP Wet-Tap
*3-3719.090*
3-3719.090
Rev. P 06/17
•
English
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Description
The Signet 3719 pH/ORP Wet-Tap allows installation and removal of pH or
ORP electrodes without the need for process shutdown during routine electrode
maintenance and calibration. Process isolation is achieved with a double O-ring
seal on a unique and compact retraction assembly; no separate valve is required.
A cam-activated automatic locking mechanism, SafeLoc™, and the short stroke
design help to assure operator safety.
WARNING!
If used in conditions that exceed recommended
pressure ratings, this product can pose a serious
hazard.
We urge customers to read the specifi cations
carefully before installing and operating this product.
Improper use can cause components and process
liquids to be expelled at high speeds and cause
serious personal injury.

Table of Contents

Warranty Information ......................................................... 2
Product Registration .......................................................... 2
Safety Information ............................................................. 2
Dimensions ........................................................................ 2
Specifi cations .................................................................... 3
System Overview............................................................... 3
Installation ...................................................................... 3-5
For pipe sizes 2.5 to 12 in. .......................................... 4
For pipe sizes less than 2.5 in. .................................... 4
Wet-Tap into Fitting...................................................... 5
Electrode Installation ................................................... 5
Electrode Removal ............................................................ 6
Electrode Maintenance ...................................................... 6
Troubleshooting ................................................................. 7
Ordering Information.......................................................... 8
Operating Instructions
............ 3-4
English

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Summary of Contents for +GF+ Signet 3719

  • Page 1: Table Of Contents

    Rev. P 06/17 Operating Instructions Description The Signet 3719 pH/ORP Wet-Tap allows installation and removal of pH or ORP electrodes without the need for process shutdown during routine electrode maintenance and calibration. Process isolation is achieved with a double O-ring seal on a unique and compact retraction assembly;...

  • Page 2: Warranty Information

    CAUTION! When using clamp-on saddle fi ttings (customer-supplied), the system temperature and pressure is limited by the saddle specifi cations. The process temperature is limited to 40 °C (104 °F) maximum when using saddles. Signet 3719 pH/ORP Wet-Tap...

  • Page 3: Specifi Cations

    Electrode ......0 to 50 °C (32 to 122 °F) housing. Keep electrode connector clean and dry at Standards and Approvals all times. Manufactured under ISO 9001 and 14001 China RoHS (Go to www.gfsignet.com for details) Any angle OK Signet 3719 pH/ORP Wet-Tap...

  • Page 4: For Pipe Sizes 2.5 To 12 In

    -21) appropriate to the size of the branch connection of the required fi tting: Use -11 for sizes DN65 to DN100 (2.5 to 4 in), and -21 for sizes DN150 to DN300 (6 to 12 in.) Signet 3719 pH/ORP Wet-Tap...

  • Page 5: Installation

    fi rmly on the locking shroud to lower the electrode piston into the pipe. 3. Turn the shroud -turn counterclockwise to lock the piston. 4. Install the matching electronics assembly or preamplifi er onto the electrode connector. Signet 3719 pH/ORP Wet-Tap...

  • Page 6: Electrode Removal

    • The O-rings on the piston tip should be inspected and lubricated annually, and whenever the system is off line for maintenance. • Lubricate O-rings with a non-petroleum based, viscous, lubricant (grease) compatible with the system. Signet 3719 pH/ORP Wet-Tap...

  • Page 7: Troubleshooting

    High temperatures or concentrated acids/caustics will accelerate electrode aging. • Never store the electrode tip in deionized (DI) water. • Never expose electrode to temperatures below –12 °C (10 °F) or allow it to dehydrate. These conditions will damage the electrode. Signet 3719 pH/ORP Wet-Tap...

  • Page 8: Ordering Information

    Ordering Information Mfr. Part No. Code Description 3-3719-11 159 000 804 pH/ORP Wet-Tap, 1 in. NPT 3-3719-21 159 000 805 pH/ORP Wet-Tap, 2 in. NPT 3-3719-12 159 000 806 pH/ORP Wet-Tap, ISO 7/1-R 1.5 3-3719-22 159 000 807 Wet-Tap Assembly, ISO 7/1-R 2 Parts and Accessories 3-2756-WT 159 000 834...

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