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Purge and Trap System

Catalog C24
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SIS Purge and Trap System
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Description

The Purge and Trap System consists of two single-ball rotameters with adjustable needle valve mounted on a nylon plastic base with an 18" long mounting rod support. The stainless steel purging head mounts onto the support rod via an adjustable mounting clamp. The two inch diameter plastic safety shield surrounds the glass sampling vial for visibility of the sample being purged while providing additional safety during sample purging. An additional stainless steel purge head, clamp, support rod, and safety shield can be added to the other side of the system base to permit the purging of two samples simultaneously.

The stainless steel purging head has two gas inlets. The top gas inlet incorporates a needle adapter to seal the replaceable purging needle and also provides for the introduction of the purging gas. The second gas inlet provides for an optional dry purge gas (or make up gas) to aid in removing water from wet samples. If not required this dry purge gas connector is fitted with a 1/16" Swagelok cap seal to seal off this line. The bottom fitting of the stainless steel purging head consists of a 1/2" Swagelok fitting with a PTFE ferrule for the attachment of standard 1/2" diameter sampling tubes.

The Complete Purge and Trap System consists of the rotameters with adjustable needle valves mounted on the nylon base, one 18" mounting rod, one mounting clamp, one standard stainless steel liquid purge head, one sparging needle, one 5 mL sample tube, one plastic safety shield, one stainless steel cap with hole and PEEK tubing for gas connection lines.

The Flowmeter Stand consists of the two single- ball rotameters with adjustable needle valve mounted on the plastic base and one support rod.

To expand the system for an additional liquid sampling head, accessories including a support rod, stainless steel purging head, plastic safety shield and peek tubing are also available as listed on this and succeeding pages. Optional accessories include heater blankets and temperature controllers for the controlled heating of samples and digital mass flowmeters for the accurate measurement of system flows.

Theory of Purge and Trap

Features

  • Trap volatiles on S.I.S desorption tubes
  • Usable with a variety of glass sample tubes
  • Two adjustable ball rotameters (0-100 mL/min) mounted on Nylon base
  • Plastic safety shield
  • Dry purge gas inlet for drying samples
  • Expandable for dual sample purging
  • Adaptable for other manufacturers desorption tubes

The P&T system can be used for solid samples as well as liquid samples.

Part No. Description Picture Stock/
Lead Time
UOM Price Order
783010 Complete Liquid Purging System thumbnail 0*Lead time for this non-stock item is approximately 7 days. EA$1250.00
Qty
783001 Flow meter and stand only (does not include purge head) 0Standard lead-time for non-stock items is approximately two weeks depending on the item. EA$725.00
Qty
783020 Clamp, ring stand type for Direct Injection Adaptor 25EA$51.50
Qty
783018 Support Rod 3/8in dia. x 18in long 3EA$37.50
Qty
789019 PEEK (R) connector tubing for purge gas line, 1/16in O.D. per foot 48 hoursLead time for this non-stock item is approximately 48 hours. Foot$8.50
Qty
781007 S.S. Desorption Tube Cap with 0.040in hole for conditioning Desorption tube 103EA$9.95
Qty
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