Pump Operation

Pump Assembly

Portable: The Double Valve Pump is assembled by connecting it to skip-bonded, dual 1/4" OD tubing, mounted on a reel.

  1. Push the drive and sample tubing over the tubing barbs on the stems, identified by an "S" and a "D" etched on the pump.
  2. Note:

    If required, use an awl to open the very tip of the tubing, or heat the tubing to help push it completely over all the barbs.

  3. Lower the assembled DVP into the well, using a stainless steel safety line connected to the eye bolt on the pump. The Solinst Model 103 Tag Line can be used for this purpose.
  4. Connect the supply line with the in-line dryer from the compressed gas source to the Control Unit. The drive line connects from the Control Unit to the reel (drive and supply lines come with the Model 464 Control Unit).
  5. Attach a short (3 ft. or 1 m) length of 1/4" OD sample line to the sample connector on the reel.

For detailed pumping instructions, please see the Solinst Model 464 Control Unit Operating Instructions.

 

Dedicated: The Double Valve Pump is assembled by connecting to a Dedicated Wellhead with sample and drive line tubing.

  1. Cut the tubing to desired the lengths. Push the drive and sample tubing over the tubing barbs on the stems, identified by an "S" and a "D" etched on the pump.
  2. Attach the sample and drive lines to the appropriate push fittings on the underside of the Wellhead (see diagram for use of push fittings and adaptors).
  3. Lower the DVP into the well, using a stainless steel safety line if desired. If useful, attach the safety line to the suspension hook on the underside of the Wellhead. Push the Wellhead firmly onto the riser casing.
  4. Attach a short (3 ft. or 1 m) length of sample line to the sample connector on the Wellhead (see diagram for use of push fittings and adaptors).
  5. Connect the supply line with the in-line dryer from the compressed gas supply to the Control Unit. The drive line connects from the Control Unit to the top of the Wellhead (drive and supply lines come with the Model 464 Control Unit).

For detailed pumping instructions, please see the Solinst Model 464 Control Unit Operating Instructions.

 

Portable Sampling Setup

solinst double valve pump portable groundwater sampling equipment setup

 

Dedicated Wellhead Setup (110227)

solinst dedicated double valve pump setup

 

solinst double valve pump quarter inch push fit adaptor illustration

Wellheads come with three 1/4" push fit adaptors so that either 1/4" or 3/8" tubing can be used, as preferred.

To attach tubing just push into push fitting. To release tubing push down on both sides of the top ring and pull tubing out.

 

Optional Drive Line Adaptor (107117)

Drive Line "M Style" Quick Connect

solinst double valve pump optional drive line adaptor

Drive Line 1/4" (6.4 mm) Push Fitting

When the Double Valve Pump is deployed without a Wellhead or Tubing Reel, use a Drive Line Adaptor to allow the connection of the drive line quick connect fitting from the Control Unit to the drive line pump tubing.