Sentry M-1A Corrosion Coupon Holder Spec Sheet

Sentry M-1A Corrosion Coupon Holder Spec Sheet
Liquid & Slurry
Pipeline Integrity Products
Solid & Powder
Corrosion Coupon Holders
Steam & Water
Sentry M-1A
Sentry® Pipeline Integrity Products insertable & retractable tool holders offer ease
of use and custom configuration for maximum versatility. These tool holders can
hold corrosion coupons to measure corrosion within a pressurized process such as a
M-1A Corrosion Coupon Holder
The hand-insertable Sentry M-1A has a maximum operating pressure (MOP) of 1000
psi (69 bar) [1440 psi (99 bar) product design pressure or MAOP] for medium pressure
applications. It also can be mounted in any orientation needed for hard-to-access
application situations.
 Process pressure bleeder valve
 Large ergonomic hand knob for easy insertion
 Low profile
 Patented locking collet safely secures the shaft within the process stream until
released by the operator
 Integrated safety chain
 Complies with NACE MR0175/2009 and is suitable for service in hydrogen
sulfide (H2S) environments
 Designed and manufactured in accordance with ASME B31.3 and provided with
Canadian Registration Number
 Corrosion coupon holders: Rod (cylinder), flat (strip) single hole, flat (strip)
dual hole or disc, all with 1/4-20 in hardware. Process connection can limit coupon
choices – contact Sentry Equipment Corp if other coupon holder configurations are required
Manufactured under one or more U. S. patents: 6,357,470 B1; 8,359,937 B2
966 Blue Ribbon Circle North, Oconomowoc, WI 53066 | +1-262-567-7256 | |
Pipeline Integrity Products > Insertable & Retractable Tool Holders > Sentry M-1A
Standard Available Tips
S-PI-SPS-00065-3 7-15
Ranges from 5 to 10 lbs (.5 to 4.5 kg) depending on configuration
All process wetted parts, 316/316L SS; other alloys available
pressure rating
1000 psi (69 bar) MOP at 100°F (37.7°C) – limit for safe hand insertion; 1440 psi (99 bar) MAOP at 100°F (37.7°C)
product design pressure
temperature rating
Minimum seal operating temperature -90°F (-67°C); maximum seal operating temperature 450°F (232.2°C)
with Teflon seal or 1000°F (537.7°C) with adjustable graphoil seal
process connection
1/2 in, 3/4 in, 1 in, 1-1/2 in or 2 in male NPT connection standard; ASME RF or RTJ or API flanged connections available
insertion depth
Up to 8 ft (2.4 m); standard insertion depths of 10 in (25 cm), 16 in (41 cm), 22 in (56 cm), 28 in (71 cm),
34 in (86 cm) or 40 in (102 cm)
insertion rod/shaft
1/4 in OD
966 Blue Ribbon Circle North
Oconomowoc, WI 53066 U.S.
It is solely the responsibility of end users, through their own analysis and testing, to select products and materials suitable for their specific
application requirements, ensure they are properly installed, safely applied and properly maintained, and to limit their use to their intended purpose.
Improper selection, installation, or use may result in personal injury or property damage.
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