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Model ER7300 spiral loop probe is a retrievable, electrical resistance probe designed for use with both the HPTM and MHTM high pressure access systems. The element is a spiral wound strip encased in epoxy. This approach to element construction offers several advantages over other element geometries:
While the spiral loop probe is ideally suited to fast flowing, sour systems, its high stability makes it a suitable choice for all oil and gas systems.
Insertion length (I.L.) can range from a minimum of 3.75" up to any length (in 1/8" increments) specified by the customer, using the formula:
I.L. = PD + WT + 1.75"
(where PD = penetration depth, WT = wall thickness)
Note: Formula valid for access fitting heights of 5.25" (HP) and 5.5" (MH).
Specifications:
Probe Body - 316 Stainless Steel
Element Seal - Epoxy
Element Material - AISI 1018
Temperature Rating - 250° F / 121° C
Pressure Rating - 3600 PSI / 245 Bar
Mounting - High Pressure (HPTM and MHTM) Access
System with Hollow Plug
| Model | |||||||
| HR | - Electrical Resistance Probe for High Pressure (HPTM and MHTM) Access Systems | ||||||
| ¦ | Mounting Material & Connector Type | ||||||
| ¦ | 22 | - 316 stainless steel with standard connector | |||||
| ¦ | ¦ | ER Element Options | |||||
| ¦ | ¦ | K | - SP10 Spiral Loop - 10 mil thickness (5 mil useful probe life) |
||||
| ¦ | ¦ | L | - SP20 Spiral Loop - 20 mil thickness (10 mil useful probe life) |
||||
| ¦ | ¦ | ¦ | Seal Type | ||||
| ¦ | ¦ | ¦ | 3 | Epoxy | |||
| ¦ | ¦ | ¦ | ¦ | Length (round calculated length down to the nearest 1/8") | |||
| ¦ | ¦ | ¦ | ¦ | XXXX | - Length in inches, stated in 2 decimal place
format (Ex: 6 1/8" = 0612) |
||
| ¦ | ¦ | ¦ | ¦ | ¦ | Element Alloy | ||
| ¦ | ¦ | ¦ | ¦ | ¦ | XXX | - Use Code in Alloy Chart | |
| ¦ | ¦ | ¦ | ¦ | ¦ | ¦ | ER Probe Options | |
| ¦ | ¦ | ¦ | ¦ | ¦ | ¦ | 00 | - No shield |
| ¦ | ¦ | ¦ | ¦ | ¦ | ¦ | ¦ | |
| HR | 22 | K | 3 | 0612 | 375 | 00 | Example of Probe Ordering # |
For alloys, sizes, or other special requirements not listed, please contact our sales
department.
| 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
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