Tank Safety & Protection Devices Emergency Vent Cover 52 Vent Operation Construction The KSEP emergency pressure relief vent provides pressure relief only. Vacuum relief must be supplied by normal venting devices, or use our KSEV emergency pressure and vacuum relief vent covers. When excessive pressure builds within the storage tank the KSEP series emergency pressure relief vent begin to open at a predetermined set pressure relieving excessive pressure. When the overpressure has dissipated the cover reseat onto the base. The series KSEP is available in several materials that are corrosion resistant to most petroleum product applications. See Standard material of construction table for available material. Predetermined setting range is from a minimum of 50mm W.C to a maximum of 700mmW.C Sizes are 400, 450, 500 and 600mm with flange drilling according to ANSI 150lb or API650. The series KSEP is designed to provide emergency pressure relief for storage tanks when exposed to overpressures that are not handled by standard tank vents. These vents provide the capacity to meet API standard 2000 for emergency venting due to fire exposure when properly sized. These covers also provide quick easy access for tank inspection and maintenance. According to API 2000 Code : EMERGENCY PRESSURE RELIEF VENT COVER KSEP Section 4.1
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Tank Safety & Protection Devices Emergency Vent Cover
52
Vent Operation
Construction
The KSEP emergency pressure relief vent provides pressure relief only.
Vacuum relief must be supplied by normal venting devices, or use our KSEV emergency pressure and vacuum relief vent covers.
When excessive pressure builds within the storage tank the KSEP series emergency pressure relief vent begin to open at a predetermined set pressure relieving excessive pressure.
When the overpressure has dissipated the cover reseat onto the base.
The series KSEP is available in several materials that are corrosion resistant to most petroleum product applications.
See Standard material of construction table for available material.
Predetermined setting range is from a minimum of 50mm W.C to a maximum of 700mmW.C
Sizes are 400, 450, 500 and 600mm with flange drilling according to ANSI 150lb or API650.
The series KSEP is designed to provide emergency pressure relief for storage tanks when exposed to overpressures that are not handled by standard tank vents.
These vents provide the capacity to meet API standard 2000 for emergency venting due to fire exposure when properly sized.
These covers also provide quick easy access for tank inspection and maintenance.
According to API 2000 Code :
EMERGENCY PRESSURE RELIEF VENT COVER KSEP
Section 4.1
Tank Safety & Protection Devices Emergency Vent Cover
53
EMERGENCY PRESSURE RELIEF VENT COVER KSEP
Unit = mm
16” 18” 20” 24”N.D 400 450 500 600
AAPI 650 597 635 660 762
ANSI 150# 597 635 700 815
APP.HMIN. 115 115 115 115MAX. 150 165 180 200
KSEP TYPE
APP.
H
A
N.D
5 6
3
1
2
4
7 2
KSEP FRONT CROSS SECTION VIEW
Materials of Construction
Dimension Table
ITEMNO COMPONENT
BODY ALUMINIUM C.S SS304 SS316TRIM SS304 SS304 SS304 SS316L
1 BODY B26-319.F A216-WCB A351-CF8 A351-CF8M2 COVER & PLATE SS304 SS304 SS304 SS316L3 GUIDE SS304 SS304 SS304 SS316L4 DIAPHRAGM TEFLON5 EARTH WIRE SS304 SS304 SS304 SS3046 HEX BOLT/NUT SS304 SS304 SS304 SS304
7 LOADING W’T C.S OR SS
Section 4.1
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