Geotech 1.66x36 Installation And Operation Manual
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Geotech 1.66x36 Installation And Operation Manual

Portable bladder pumps
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Geotech Portable
Bladder Pumps
Installation and Operation Manual
Rev 05/25/2017 Part # 11150323

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Summary of Contents for Geotech 1.66x36

  • Page 1 Geotech Portable Bladder Pumps Installation and Operation Manual Rev 05/25/2017 Part # 11150323...

  • Page 3: Table Of Contents

    Table of Contents Section 1: System Description ................4 Section 2: System Installation ................6 Section 3: System Operation ................8 Section 4: System Maintenance ............... 13 Section 5: System Troubleshooting ..............20 Section 6: System Specifications ..............21 Section 7: Replacement Parts List ..............22 EC Declaration of Conformity ................
  • Page 4 DOCUMENTATION CONVENTIONS This document uses the following conventions to present information: An exclamation point icon indicates a WARNING of a situation or condition that could lead to personal injury or death. You should not proceed until you read and thoroughly understand the WARNING message.
  • Page 5 Pump operation and decontamination should be performed to your standard operating procedures. Operation of system utilizing non-Geotech OEM parts could result in equipment failure or malfunction and may void warranty. This includes air and fluid tubing. Avoid operating the system without securely anchoring safety cable attached to down well components.

  • Page 6: Section 1: System Description

    Section 1: System Description Function and Theory Geotech’s pneumatic Portable Bladder Pumps operate with a unique action, ideal for both gentle low-flow sampling and higher flow rate purging. Timed ON/OFF cycles of compressed air alternately squeeze the flexible bladder to displace water out of the pump to the surface and then exhaust the air allowing the pump to refill.
  • Page 7 System Components A Geotech Portable Bladder Pump consists of four components as follows: - Bladder Assembly - Pump Housing - Internal Tube Assembly - Intake Screen Assembly * Optional: Drop Tube Intake Assembly.

  • Page 8: Section 2: System Installation

    BP Controller 300PSI. Pump Tubing Lines The Geotech Portable Bladder Pump requires two tubing lines. One of the lines is used for the air supply and exhaust. The second line is used for discharge fluid. See Section 6: System Specifications of this manual for tubing sizes.
  • Page 9 Reverse Coil Method When lowering the pump into the well it is important to reverse the natural bend of the coiled tubing so the tubing will straighten out as it is lowered (see Figure 2-1). As the pump and tubing are lowered into the well, the direction of the bend should be reversed from the direction in which it is coiled.

  • Page 10: Section 3: System Operation

    * designed for pumping groundwater only, other fluids at user’s risk A thin, less rugged bladder could fill more easily in lower submergence applications. Geotech has chosen to implement the use of more reliable heavy walled Poly or robust PTFE material to accommodate longer life of the bladder and overall reliability of the pump.
  • Page 11 Flow rates are based on 3’ (0.9m) of pump submergence. Typically, field environments will provide greater submergence (10 ft. + (3 m)), which will increase flow. Speak with a Geotech representative to determine the best configuration to fulfill your sampling needs.
  • Page 12 Selecting an Air Source The Geocontrol PRO is an easy-to-use portable compressor and logic unit, specifically designed to operate portable Bladder Pumps deployed down to 180’ (55m) or less. Air consumption depends on the volume of tubing and the size of deployed Bladder Pump. Follow the general guidelines and examples below to calculate the air consumption for specific sampling configurations.
  • Page 13 Figure 3-1: Tank Volume vs. BP Consumption...
  • Page 14 Determining PSI Determine the air pressure needed to operate the Bladder Pump based on the length of the air supply line to the pump (well depth). Use the simplified formula: 0.5 PSI (per foot) + 10 PSI (to account for tubing friction) = required PSI 0.12 bar (per meter) + 0.7 bar (to account for tubing friction) = required bar As mentioned above, the additional 10 PSI/ 0.7 bar is to account for the pump itself and friction loss along the airline tubing.

  • Page 15: Section 4: System Maintenance

    Section 4: System Maintenance Remove the pump from the well. It is not necessary to remove the air and sample lines from the pump. Upon removal, note the pump may be filled with fluid. Bladder Removal Steps: Remove the bottom intake assembly and outer housing by turning the housing counter-clockwise.
  • Page 16 Remove the upper Compression Ring (#21150042) by sliding it over the bladder and over the end of the internal center tube assembly. Figure 4-3: Removal of upper Compression Ring Pulling from the lower end of the bladder (18” 21150054; 36” #21150141), slide the bladder off the internal center tube weldment assembly.
  • Page 17 Clean and prepare replacement parts as needed. Bottom Intake Assembly Pull the Check Ball Retainer from the Bottom Intake Assembly. Figure 4-7a: Check Ball Figure 4-7b: Removing Check Figure 4-7c: Check Ball Retainer Ball Retainer Retainer Removed Remove the SS Check Ball from the inside of the Bottom Intake Assembly. Remove all O-rings on the assembly.
  • Page 18 Install O-rings (#11150332 & #1110318) in the grooves on the Bottom Intake Assembly.  Ensure that O-rings are not twisted. Figure 4-9: O-rings on the Bottom Intake Assembly Insert the SS Check ball into the Bottom Intake Assembly. SS Check Ball must be inside the Bottom Intake Assembly.
  • Page 19 Install O-ring (#11150319) on the upper end of the center tube weldment assembly. Figure 4-11: Upper end O-ring Install O-ring (#11150319) on the lower end of the center tube weldment assembly. Figure 4-12: Lower O-ring Slide bladder (18” #21150054; 36” #21150141) onto the internal center tube weldment assembly, over the O-ring (#11150319) on the bottom end of the center tube assembly, and then over the O-ring (#11150319) on the upper end of the center tube weldment assembly.
  • Page 20 Slide the Compression Ring (#21150042) over the bladder to the upper end of the center tube weldment assembly. Figure 4-14a: Compression Ring on Bladder Figure 4-14b: Compression ring secured With the upper end of the bladder secured by the Compression Ring (#21150042) slide the second compression ring over the end of the bladder until the O-ring is visible in the middle of the Compression Ring.
  • Page 21 Replace the bottom intake assembly by screwing it into the bottom of the pump.  Be sure the bottom intake assembly is sealed against the outer housing. Figure 4-17a: Incorrect Installation Figure 4-17b Correct Installation Inspect O-rings and bladder for damage. Replace if torn, ripped, or excessively worn.

  • Page 22: Section 5: System Troubleshooting

    Do not operate this equipment if it has been damaged, broken, smashed, or excessively worn. Broken components pose a severe threat to the safety of the operator and his or her environment. Contact Geotech for any service or repair needs.

  • Page 23: Section 6: System Specifications

    Section 6: System Specifications 1.66x36" 1.66x18" 0.85 0.675 Pump Housing 316 SS Pump Ends Bladder Material PTFE (OPTIONAL PE) Bladder Collar Material PTFE 1.66” 1.66” .850" .675" Outer Diameter 40 mm 40 mm 21.6 mm 17 mm 40” 19” 18 5⁄ 8"...
  • Page 24 System Specifications, continued: IP rating: (NA) Submersible to 500’ (152m) of water column. Special care must be taken to avoid burns and exposure to out- gassing of volatiles when pumping fluids at elevated temperatures. Special air source considerations need to be taken into account 9,000’...

  • Page 25: Section 7: Replacement Parts List

    Section 7: Replacement Parts List 1.66 Bladder Pump Components, 18” model shown...
  • Page 26 Bladder Pump, 1.66, Portable Stainless Steel, Screened Length: 18” (81150034) or 36” (81150045) Item Description Part No. BLADDER, PTFE, 1.66 x 18,PBP 21150054 § BLADDER, PTFE, 1.66 x 36, PBP 21150141 § BLADDER, PE, 1.66 x 18,PBP, EA 21150055 § BLADDER, PE, 1.66 x 36,PBP, EA 21150140 §...
  • Page 27 § = Sold Separately .850 Bladder Pump Components...
  • Page 28 Bladder Pump, .850, Stainless Steel, Screened - 81150115 Item Description Part No. BLADDER ,PTFE, .85 BP 51150051 § BLADDER, PE, .85 BP, EA 21150100 § BLADDER, PE, .85, CE, 12PK 21150099 HOSEBARB, SS6, MOD, .170 X 1/8 NPT DISCHARGE 11150118 HOSEBARB, SS6, .170 X 10/24 AIR 17200245 BALL, SS6, 1/4"...
  • Page 29 .675 Bladder Pump Components...
  • Page 30 Bladder Pump, .675, Stainless Steel, Screened - 81150117 Item Description Part No. BLADDER, PTFE, .675, BP, CE 51150126 § BLADDER, PE, .675, EA 21150102 § BLADDER, PE, .675, CE, 12PK 21150101 HOUSING, SS6, .675, BP 21150032 HOSEBARB, SS6, .170 X 10/24 AIR 17200245 WELDMENT, INNER, SS6, .675 BP 51150125...
  • Page 31 Project 12/08/15 1482 examples, SP Corrected Drop Tube tubing size for 1.66 models, 1/11/2016 Section 2, added note about 1.66x36” model Project requiring BP Controller 300 for full bladder volumes 3/15/2016 1482 when pump deployed deeper than 155ft, SP Project...
  • Page 32 Notes...

  • Page 33: Ec Declaration Of Conformity

    EN 61010-1: 2010 Year of affixation of the CE Marking: 2010 Production control follows the ISO 9001:2008 regulations and includes required safety routine tests. This declaration issued under the sole responsibility of Geotech Environmental Equipment, Inc. Joe Leonard Product Development...

  • Page 34: The Warranty

    Geotech agrees to repair or replace, at Geotech’s option, the portion proving defective, or at our option to refund the purchase price thereof. Geotech will have no warranty obligation if the product is subjected to abnormal operating conditions, accident, abuse, misuse, unauthorized modification, alteration, repair, or replacement of wear parts.
  • Page 35 Geotech Environmental Equipment, Inc. 2650 East 40th Avenue Denver, Colorado 80205 (303) 320-4764 ● (800) 833-7958 ● FAX (303) 322-7242 email: sales@geotechenv.com website: www.geotechenv.com In the EU Geotech Equipos Ambientales Calle Francesc I Ferrer, Guardia Local 19, Mollet del Valles, Barcelona 08100, España Tlf: (34)93 5445937 email: ventas@geotechenv.com...

This manual is also suitable for:

1.66x180.850.675

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