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Model SP7000 sand probes are used to detect erosion in flowlines caused by abrasive
particles such as sand. One end of the probe is attached to a tee-type, high pressure
access fitting with a solid plug by means of a sand probe nut. The other end is a sealed,
thin-walled tube placed within the process stream to be exposed to particulate flowing
through the system. (To minimize the effects of corrosion and thus more accurately detect
erosion within the stream, the exposed element is made of stainless steel.) As particulate
impinges on the surface of the sensing element, a hole is eventually eroded through the
element. Once penetration has occurred, the system pressure then travels up the tube, into
the access fitting body, and through a nipple and valve to a pressure gage assembly. The
pressure gage detects that the element has been breached. If required, electronic pressure
sensors can be connected to alarm systems to signal the exact moment when failure occurs.
(See Remote Alarm Actuator / Indicator.)
| Specifications: Probe Body - Stainless Steel Temperature Rating - 500° F / 260° C Pressure Rating - 3600 PSI / 245 Bar Mounting - High Pressure (HPTM or MHTM) Access System with Solid Plug |
Sand Probe Parts | ||
| MH Part # | HP Part # | Description | |
| HA700018 | HA700018 | Nipple, 1/4" x 4" SCH 80 | |
| HA700022 | HA700022 | Valve, 1/4" | |
| IQN621158 | IQN121158 | Sand Probe Nut | |
| HA700603 | HA700603 | Pressure Gage | |
| HA700645 | HA700644 | Solid Plug | |
| Model | |||||
| SP | - Sand Probe for High Pressure (HPTM or MHTM) Access Systems | ||||
| ¦ | Mounting Material | ||||
| ¦ | 2 | - 316 | |||
| ¦ | 4 | - C276 | |||
| ¦ | ¦ | Tube Material | |||
| ¦ | ¦ | 2 | - 316 | ||
| ¦ | ¦ | 4 | - C276 | ||
| ¦ | ¦ | ¦ | Tube Wall Thickness | ||
| ¦ | ¦ | ¦ | 1 | - .016" | |
| ¦ | ¦ | ¦ | 2 | - .028" | |
| ¦ | ¦ | ¦ | 3 | - .035" | |
| ¦ | ¦ | ¦ | ¦ | Length | |
| ¦ | ¦ | ¦ | ¦ | XXX | - Length in inches, stated in 2 decimal place format (Ex: 6 1/4" = 0625) |
| ¦ | ¦ | ¦ | ¦ | ¦ | |
| SP | 2 | 2 | 2 | XXX | Example of Probe Ordering # |
For alloys, sizes, or other special requirements not listed, please contact our sales
department.
Sizing Formulas:
Non-Flanged Access Fitting
Flanged Access Fitting
Where:
FH = Access Fitting Height
N = Injection Nut Length
L = Injection Tube Length
MF = Mating Flange Height
PD = Pipe Outer Diameter
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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