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Model ER4210

Electrical Resistance Probe
Retractable with Packing Gland and Large Flush Element

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Model ER4210 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®, however, grafoil packing can be provided for high temperature applications. The probe is designed to mount into a 1 1/2" piping system, but can easily be adapted to fit larger requirements. The probe consists of an insertion rod with an element, a hermetically sealed connector welded in place, and a packing gland with a 1" to 1 1/2" swage nipple. 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 1/2" Full Port Valve (Min.)

Std. Length I.L. (max)
24" 11.22"
30" 17.22"
36" 23.22"
42" 29.22"

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)


ER4210 Ordering Information

Model
ERB - Electrical Resistance Probe with Packing Gland & Swage Nipple
  Pipe Plug Size
6 - 2" NPT Pipe Plug
7 - 1-1/2" NPT Pipe Plug
  Probe Body Material
2 - 316
4 - C276
  Packing Gland Material
2 - 316
4 - C276
  ER Element Options
C0 - FL05 Flush Element - 5 mil thickness (2.5 mil useful probe life)
D0 - FL10 Flush Element - 10 mil thickness (5 mil useful probe life
E0 - FL20 Flush Element - 20 mil thickness (10 mil useful probe life)
F0 - FL40 Flush Element - 40 mil thickness (20 mil useful probe life)
  Seal Type
3 - Epoxy
  Length
24 - 11.22 inches max. insertion length
30 - 17.22 inches max. insertion length
36 - 23.22 inches max. insertion length
42 - 29.22 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