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Chesterton 1810 Installation, Operation And Rebuild Instructions

Heavy-duty modular single cartridge seal
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1810 Heavy-Duty Modular
Single Cartridge Seal
Installation, Operation and Rebuild Instructions
Seal Data Reference
(from Box Label)
ITEM #
SEAL
(Example: 1810 1.875 SA CB/SSC S FKM)
INSTALLATION DATE
INSTALLATION, OPERATION
and REBUILD INSTRUCTIONS

TABLE OF CONTENTS

1.0 Cautions ..................................................................... 2
1.1 General ............................................................................ 2
1.2 Label Warnings ................................................................. 2
2.0 Transport and Storage ........................................... 2
3.0 Description ...........................................................2 - 6
3.1 Parts Identification ............................................................ 2
3.2 Operating Parameters ....................................................... 3
3.3 Intended Use .....................................................................3
3.4 Dimensional Data ........................................................ 4 - 6
4.0 Preparation for Installation.................................... 7
4.1 Equipment ........................................................................ 7
4.2 Mechanical Seal ............................................................... 8
5.0 Seal Installation ........................................................ 9
8.0 Spare Parts .............................................................. 10
9.0 Seal Rebuild ............................................................ 11
9.1 Seal Rebuild ................................................................... 11
9.1.1 Seal Disassembly ........................................... 11 - 12
9.1.2 Seal Assembly ............................................... 13 - 15
Communication Requirements .......................... 16

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Summary of Contents for Chesterton 1810

  • Page 1: Table Of Contents

    9.1 Seal Rebuild ..............11 9.1.1 Seal Disassembly ........... 11 – 12 9.1.2 Seal Assembly ..........13 – 15 10.0 Mechanical Seal Returns and Hazard Communication Requirements ......16 Seal Data Reference (from Box Label) ITEM # SEAL (Example: 1810 1.875 SA CB/SSC S FKM) INSTALLATION DATE...

  • Page 2: Cautions

    CAUTIONS 1.1 General These instructions are general in nature. It is assumed seal or any other Chesterton seal in a particular service is the that the installer is familiar with seals and certainly with customer’s responsibility. the requirements of their plant for the successful use of Do not touch the mechanical seal for any reason while it is mechanical seals.

  • Page 3: Operating Parameters

    Speed Limits: Pressure Limits: 25 mm – 120 mm (1.000" – 4.750") up to 25 mps (5000 FPM) 1810 Seals can withstand operating pressures from vacuum (710 mm or 28" Hg) to the maximum pressures. Temperature Limits: 25 mm – 120 mm (1.000" – 4.750") up to 40 barg (600 psig) Elastomers To 150°C (300°F) EPDM...
  • Page 4 DESCRIPTION cont. 3.4 Dimensional Data (Drawings) Figure 2 E MIN B MAX G MIN FLUSH G MIN QUENCH/ QUENCH/ DRAIN DRAIN...

  • Page 5: Dimensional Data

    DESCRIPTION cont. 3.4.1 Dimensional Data METRIC - Millimeters STUFFING SHAFT GLAND STUFFING BOLT CIRCLE SEAL BOX TO BOLT NPT SIZE SIZE BOX BORE DEPTH LENGTH BY BOLT SIZE SURFACE G MIN 10 mm 12 mm 16 mm 20 mm 44.5 51.1 42.9 18.5 73.2 – – – 30.5 1/4 – 18 47.8 51.8 46.0 18.5...
  • Page 6 DESCRIPTION cont. 3.4.2 Dimensional Data INCH STUFFING SHAFT GLAND STUFFING BOLT CIRCLE BOX TO BOLT NPT SIZE SIZE BOX BORE SEAL DIA DEPTH LENGTH BY BOLT SIZE SURFACE G MIN 3/8" 1/2" 5/8" 3/4" 1.000 4.11 1.75 2.01 1.69 0.73 1.95 2.88 – – – 1.20 1/4 – 18 1.125 4.11 1.88...

  • Page 7: Preparation For Installation

    PREPARATION FOR INSTALLATION 4.1 Equipment ≤ ø ≤ 0,13 mm 0.005" 3,2 µm 125 µ" ø If practical, place the dial indicator tip on the end of the If possible, attach a base dial indicator to the shaft and rotate shaft sleeve or on a step in the shaft to measure end play.

  • Page 8: Mechanical Seal

    PREPARATION FOR INSTALLATION cont. 4.2 Mechanical Seal 3. Centering clips have been preset at the factory. If for any 1. Check to ensure that the O-Rings installed in this seal are reason you loosen or remove the centering clip flat head compatible with the fluid being sealed.

  • Page 9: Seal Installation

    SEAL INSTALLATION Tools required for installation: Hex key and white Apply a thin film of white grease to the Reassemble the pump and make necessary grease (supplied with seal); open end or socket shaft/O-Ring (V) and slide seal onto the shaft shaft alignments and impeller adjustments.

  • Page 10: Commissioning/Equipment Start-Up

    SPARE PARTS Spare Parts Kit can be purchased from Chesterton, Use only Chesterton original spare parts. Use of non-original spare parts represents risk of failure, danger to persons/ referencing the (as manufactured) seal data from the installed equipment and voids the product warranty.

  • Page 11: Seal Rebuild

    SEAL REBUILD 9.1 Seal Rebuild A correctly installed and operated mechanical seal requires little 1. Note the condition of the parts, including elastomer surfaces maintenance. It is recommended to periodically check the seal and gland springs. Analyze the cause of failure and correct the for leakage.
  • Page 12 SEAL REBUILD cont. 9.1.1 Seal Disassembly cont. For seals with Bushing kit: Remove the snap For seals with Bushing kit: Remove the For seals with Injector option: Carefully remove ring from the gland and discard. bushing and bushing O-Ring (Y) from the gland the injector, and set it aside.

  • Page 13: Seal Assembly

    SEAL REBUILD cont. 9.1.2 Seal Assembly Pick up the drive tube (use tweezers if Apply a thin film of white grease to the rotary Tools required for assembly of seal: Hex key necessary) and install onto each of the lugs in O-Ring (W) and install into the groove on and two types of grease (supplied with seal);...
  • Page 14 SEAL REBUILD cont. 9.1.2 Seal Assembly cont. Dip the ends of the springs into white grease Align the pins on the follower plate with the Fill the four (or two, based on the seal size) and insert into each spring hole. IMPORTANT: marked, 635 SXC grease filled holes in the evenly spaced holes, marked by dimples, with DO NOT insert springs into the four (two)
  • Page 15 SEAL REBUILD cont. 9.1.2 Seal Assembly cont. Gently press down on the top of the lock ring and Install the centering clips on the outer diameter Place the lock ring on top of the sleeve and align tighten the 1/4 dog set screws and then the cup of the lock ring with the centering clip flat head the three vertical dimples on the outer diameter point screws with the hex key supplied with the...

  • Page 16: Mechanical Seal Returns And Hazard Communication Requirements

    10.0 MECHANICAL SEAL RETURNS AND HAZARD COMMUNICATION REQUIREMENTS Any mechanical seal returned to Chesterton that has been in operation, must comply with our Hazard Communication requirements. Please go to our web page at chesterton.com/Mechanical_Seal_Returns to obtain information required for returning seals for repair or seal analysis.

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