Registered Quality System to ISO 9001:2008
54/60
Form 912
sorinc.com
913-888-2630
Examination and Testing
Requirements
Specify either a CY or CZ option in the accessory section of the model number for a certificate of conformance.
741A -A1C-B-A1-CYCRTT
If certification to B31.3 is required, SOR must know the fluid category per the chart below. Refer to the
ASME/ANSI B31.3 Fluid Category Section to determine the applicable category.
ANSI/ASME B31.3 Fluid Category
Normal A fluid service not subject to the following four categories.
Category D A fluid service in which all of the following apply:
1. The fluid handled is non-flammable, non-toxic, and not damaging to human skin.
2. The design gage pressure does not exceed 150 psi.
3. The design temperature is between -20°F and 366°F.
Category M A fluid service in which the potential for personnel exposure is judged to be
significant and in which a single exposure to a very small quantity of a toxic fluid,
caused by leakage, can produce serious irreversible harm to persons on breathing
or bodily contact, even when prompt restorative measures are taken.
Severe Cyclic A fluid service with high-cycle rates that cause extreme stress on components.
High Pressure
Pressure in excess of that allowed by the ASME B16.5 Class 2500 rating for the
specified temperature and material group or any piping so designated by the customer.
Mechanical
Level Switches
Designator Certificate of Conformance to
CY ASME/ANSI B31.1 Power Piping
CZ ASME/ANSI B31.3 Petrochemical Piping
When CY or CZ is specified, SOR performs examination to meet these codes. This includes visual
inspection and ultrasonic, X-ray, magnetic particle or dye penetrant testing as required by ASME
B31.1 or B31.3. If CY or CZ is not selected but examination is required, accessories UT (ultrasonic),
RT (X-ray), MT (magnetic particle) or PT (dye penetrant) can be added to the model number to
include this testing.
Certificate of Conformance
Weld Examination
Hydrostatic Testing
SOR performs a hydrostatic pressure test on all welded chambers at 1.5 times the design pressure
for three minutes. CY and CZ options and Hydrotest Certificates include a hydrostatic pressure test
at 1.5 times the design pressure for ten minutes as required by ASME B31.1 and B31.3 codes. A
hydrostatic test certificate is also available as an accessory. See Test Certificates, Form 1254.
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