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Model ER4200


Electrical Resistance Probe
Retractable with Packing Gland and Small Flush Element

Model ER4200 is a retractable, flush-mount, electrical resistance probe ideally suited for applications where the probe element needs to be flush with the wall of the pipe. A specially designed packing gland is used with the probe for insertion to or retraction from a pressurized system without a process shutdown. Standard packing material in the packing gland is Teflon®. Grafoil packing can be provided if requested. The probe is designed to mount into a 1" piping system, but can easily be adapted to fit your specific requirements. The probe consist of an insertion rod with an element, a hermetically sealed connector welded in place, and a packing gland. The insertion length (I.L.) is calculated to the end of the element. Probe length can be specified by the customer. For standard probes, the maximum length is given in the chart below. Several standard elements are available to meet your specific needs.



Specifications:
Probe Body - 316 Stainless Steel
Element Seal - Epoxy
Fill Material - Epoxy
Temperature Rating - 500° F / 260° C
Pressure Rating - 1500 PSI / 102 Bar
Mounting - 1" Full Port Valve (Min.)
STD. LENGTH I.L. (max)
24" 16.22"
30" 22.22"
36" 28.22"
42" 34.22"


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

See Retractable Systems video.
See Packing Gland Instructions and Safety Chain Instructions.
See Length Calculation and Accessories for Retractable Probes.

 



ER4200 Ordering Information

 

Model
ER45 - Electrical Resistance 1" Female NPT Probe, Packing Gland with Teflon®
ER75 - Electrical Resistance 1" Female NPT Probe, Packing Gland with Grafoil
¦ Probe Body Material
¦ 22 - 316
¦ 44 - C276
¦ ¦ ER Element Options
¦ ¦ A0 - FS04 Flush Mount - 4 mil thickness (2 mil useful probe life)
¦ ¦ B0 - FS08 Flush Mount - 8 mil thickness (4 mil useful probe life)
¦ ¦ H0 - FS20 Flush Mount - 20 mil thickness (10 mil useful probe life)
¦ ¦ ¦ Seal Type
¦ ¦ ¦ 3 - Epoxy
¦ ¦ ¦ ¦ Length
¦ ¦ ¦ ¦ 24 - 16.22 inches max. insertion length
¦ ¦ ¦ ¦ 30 - 22.22 inches max. insertion length
¦ ¦ ¦ ¦ 36 - 28.22 inches max. insertion length
¦ ¦ ¦ ¦ 42 - 34.22 inches max. insertion length
¦ ¦ ¦ ¦ ¦ Element Alloy
¦ ¦ ¦ ¦ ¦ XXX - Use Code in Alloy Chart
¦ ¦ ¦ ¦ ¦ ¦ ER Probe Options
¦ ¦ ¦ ¦ ¦ ¦ 00 - N/A
¦ ¦ ¦ ¦ ¦ ¦ ¦
ER45 22 A0 1 36 375 00 Example of Probe Ordering #

For alloys, sizes, or other special requirements not listed, please contact our sales department.

Safety clamp must be ordered separately.

Alloy Chart
Code Description UNS #
375 C1010 G10100
538 5Cr 1/2mo K42544
541 9Cr 1mo K90941
186 410 S.S. S41000
141 304 S.S. S30400
159 316L S.S. S31603
A12 C276 N10276
602 Alloy 625 N06625
419 CDA110 C11000
434 CDA443 C44300

Not all alloys are available with all element types and seals.


Contact Metal Samples Corrosion Monitoring Systems sales department for pricing and availability.

Main Office:
Phone: (256) 358-4202
Fax: (256) 358-4515
E-mail: msc@alspi.com

Houston Office:
Phone: (281) 471-2777
Fax: (281) 471-3405


ER4100 Return to ER Probe Menu ER4210