Among our most sought-after products, quick opening closures with sectors are composed of two parts, a hub and a cover. In This type of QOC , is activated by the unlocking of the sector’s system which allows the movement of the cover.

We recommend the use of the Quick Opening Closures with sectors on equipment with sizes that start from DN 6’’ and go up to DN 68’’, They are suitable for ratings up to ANSI 2500.

QOC Solutions’ team offers to its clients one-on-one consultations in order to listen closely to the customers’ needs and design a product with ideal characteristics based on its intended use.

TECHNICAL DATASHEET QOC WITH SECTORS

Product Information
QOC Nominal Size	From 6″ to 68″
QOC Design Code	ASME VIII Div. 1 / Div. 2 / EN 13445
QOC Design Pressure Rating	Up to ANSI 2500
QOC Design Temperature (min/max)	-46°C / +350°C
Qoc Orientation	Horizontal/Vertical
Gasket Seal	O-Ring/Lip seal
Design Conditions
Design Code ASME VIII Div. 1	Yes
Code stamped
Vassel Wall Thickness	Acc. to the vessel
Vessel PWHT
NACE Compliance (MR0175/ISO15156)
Principal Materials
Hub Material	Carbon steel/Stainless Steel/Duplex/Super Duplex
Door Material	Carbon steel/Stainless Steel/Duplex/Super Duplex
Gasket Seal	NBR/HNBR/VITON/KALREZ
Hinge/Davit Material	Carbon Steel / Stainless Steel
Pressure Warning Screw Material	Stainless Steel
Pressure Warning Screw Seal Material	HNBR
Certification
Material Certification	Acc. to EN 10204 2.2/ 3.1/3.2
Non-Destructive Testing
M.P.I. On Weld End Preparation
Dye Penetrant onWeld End Preparation
Ultrasonic Examination	Yes
Other Requirements
Inspection Requirements
ASME U/U2 – Stamp Partial
CE Marking
Finish rough machined	N.A.
Finish (std)	Sandblasted and coated with zinc rich epoxy primer
Weld Overlay Material
Nikel plating
Final painting according to specification
Cold galvanizing	N.A.
Teflon coating	N.A.
Mechanical Key Interlock

*= APPLICABLE AT REQUEST

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Among our most sought-after products, quick opening closures with sectors are composed of two parts, a hub and a cover. In This type of QOC , is activated by the unlocking of the sector’s system which allows the movement of the cover.

We recommend the use of the Quick Opening Closures with sectors on equipment with sizes that start from DN 6’’ and go up to DN 68’’, They are suitable for ratings up to ANSI 2500.

QOC Solutions’ team offers to its clients one-on-one consultations in order to listen closely to the customers’ needs and design a product with ideal characteristics based on its intended use.