GF Signet 3719 Operating Instructions Manual
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GF Signet 3719 Operating Instructions Manual

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. 18 06/19
•
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
Replacing O-rings .............................................................. 8
Ordering Information........................................................ 12
Operating Instructions
............ 3-4
English

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Summary of Contents for GF Signet 3719

  • Page 1: Table Of Contents

    Rev. 18 06/19 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

    All warranty and non-warranty repairs being returned must include a fully completed Service Form and goods must be 76 mm 76 mm returned to your local GF Sales offi ce or distributor. (3.0 in.) (3.0 in.) Product returned without a Service Form may not be warranty replaced or repaired.

  • Page 3: Specifi Cations

    6 o'clock position. See next page for dimensional information. • If inverted, use caution when removing the sensor. Residual fl uid may be present in the retraction housing. Keep electrode connector clean and dry at all times. Any angle OK Signet 3719 pH/ORP Wet-Tap...

  • Page 4: For Pipe Sizes 2.5 To 12 In

    -2X) appropriate to the size of the branch connection of the required fi tting: Use -1X for sizes DN65 to DN100 (2.5 to 4 in), and -2X for sizes DN150 to DN300 (6 to 12 in.) Signet 3719 pH/ORP Wet-Tap...

  • Page 5: Wet-Tap Into Fitting

    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

    Stop the fl ow and depressurize the pipe. • Remove the entire 3719 assembly from the pipe. • Remove the electrode from the assembly • Clean any scaling and debris found on or in the piston tip and surrounding area. Signet 3719 pH/ORP Wet-Tap...

  • Page 7: Troubleshooting

    If threads are damaged, the Wet-Tap should be replaced. Assemble the nose piece back onto the Wet-Tap main body. Stainless Steel set screw hole countersink hole watch a video of these instructions. Click here 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-WTP 159 001 390...

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