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Model LP4100

Linear Polarization Resistance Probe
Retractable with Packing Gland & 3-Electrode Endcap



View data sheet (PDF)



 

Model LP4100 is a retractable, linear polarization resistance probe commonly used in field and plant applications. A specially designed packing gland is used with the probe for insertion into or retraction from a pressurized system without a process shutdown. The packing gland is designed to mount easily on a 1" piping system, but it can be modified for your specific mounting requirements. The probe assembly consists of a packing gland, an insertion rod with a hermetically sealed three-electrode endcap, and a five-pin military connector mounted in place. A safety chain is also provided to prevent blowout. Standard packing material in the packing gland is Teflon®, however, Grafoil® packing can be provided for high temperature applications. The insertion length (I.L.) is calculated to the end of the electrode and can be specified by the customer. For standard probes, the maximum insertion length is given in the chart below. This maximum I.L. is based on the length of a carbon steel electrode. Electrode lengths may vary depending on the alloy. Electrodes are ordered separately.

Specifications:

Probe Body - 316 Stainless Steel or C276
Endcap Seal - Glass
Fill Material - Epoxy
Temperature Rating - 500° F / 260° C Teflon®
Temperature Rating - 850° F / 454° C Grafoil®
Pressure Rating - 2000 PSI / 138 Bar
Mounting - 1" Full Port Valve (min.)

Std. Length I.L. (Max)
24" 17.53"
30" 23.53"
36" 29.53"
42" 35.53"

The Easy Tool is required for probe insertion or retraction in systems with pressure over 150 pounds.


Related Documents

 Easy Tool
 Safety Chain Instructions
 Packing Gland Instructions
 Length Calculation for Retractable Probes
 Canadian Registration Numbers (CRNs)



LP4100 Ordering Information

Model
LP45 - Linear Polarization 1" Female NPT Probe, Packing Gland with Teflon® (for integral type)
LP75 - Linear Polarization 1" Female NPT Probe, Packing Gland with Grafoil® (for integral type)
LPK7 - Linear Polarization 1" Female NPT Probe, Packing Gland with Teflon® (for plug type)
LPQ7 - Linear Polarization 1" Female NPT Probe, Packing Gland with Grafoil® (for plug type)
  Probe Body Material
22 - 316
44 - C276
  LP Electrode Options
30 - Three-electrode integral type
  Seal Type
1 - Glass
 
Length
24 - 17.53" max. insertion length
30 - 23.53" max. insertion length
36 - 29.53" max. insertion length
42 - 35.53" max. insertion length
  Options
000 - None
Your Part Number


Description:

Quantity:


This list represents our most common options.  Many other sizes, alloys, and options are available.
Please contact your Metal Samples sales representative if you do not see what you're looking for.
(Note: Not all alloys are available with all element types and seals.)

Electrodes are replaceable and are sold separately (below.)

 

EL412 Style Electrodes

el412.gif (2216 bytes)
 
Common Electrodes
Alloy UNS Number Part#  
C1018 Carbon Steel G10180 EL4123772800000
Quantity:   
304L Stainless Steel G30403 EL4121452800000
Quantity:   
316L Stainless Steel S31603 EL4121592800000
Quantity:   
CDA110 Copper C11000 EL4124192800000
Quantity:   
CDA443 Admiralty Brass C44300 EL4124342800000
Quantity:   
AL1100 Aluminum A91100 EL4122902800000
Quantity:   
AL6061 Aluminum A96061 EL4123382800000
Quantity:   
AL7075 Aluminum A97075 EL4122272800000
Quantity:   
Other - Please specify in comments N/A EL412XXX2800000
Quantity:   

Teflon® is a registered trademark of DuPont.
Grafoil® is a registered trademark of NeoGraf Solutions.
 
Metal Samples Company

P.O. Box 8
152 Metal Samples Rd.
Munford, AL 36268

Phone
: (256) 358-4202
Fax: (256) 358-4515

E-mail: msc@alspi.com


 
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