A Division of Alabama Specialty Products, Inc.
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Model ER4200

Electrical Resistance Probe
Retractable with Packing Gland and Small Flush Element

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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 - 2000 PSI / 138 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.


Related Documents

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


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
2 - 316
4 - C276
  Packing Gland Material
2 - 316
4 - C276
  ER Element Options
A0 - FS04 Flush Element - 4 mil thickness (2 mil useful probe life)
B0 - FS08 Flush Element - 8 mil thickness (4 mil useful probe life
H0 - FS20 Flush Element - 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

  ER Probe Options
00 - No shield
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.)
* Chemically equivalent to standard pipe-grade carbon steels.

Teflon® is a registered trademark of DuPont.
 
  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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Metal Samples Company is a division of Alabama Specialty Products, Inc. - Copyright © 2019