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Lift Check Valve Type Series Booklet

Legal information/Copyright Type Series Booklet BOA-R All rights reserved. The contents provided herein must neither be distributed, copied, reproduced, edited or processed for any other purpose, nor otherwise transmitted, published or made available to a third party without the manufacturer's express written consent. Subject to technical modification without prior notice. © KSB SE & Co. KGaA, Frankenthal 30/08/2021

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Check Valves and Strainers Lift Check Valves to DIN/EN Check Valves and Strainers Valve body materials Lift Check Valves to DIN/EN Straight-way valve Table 2: Overview of available materials Material number Temperature limit Design details Design ▪ Straight-way pattern with horizontal seat ▪ Spring-loaded check disc ▪ Flanges to DIN EN 1092-2 Type 21 ▪ Exterior coating: blue, RAL 5002 Variants ▪ Oil-free and grease-free: lubricated exclusively by mineral oil free lubricants approved by the German Federal Office for Materials Testing (Bundesanstalt für Materialforschung und -prüfung, BAM) ▪...

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Check Valves and Strainers Lift Check Valves to DIN/EN Purchase order specifications Please specify the following information in all enquiries or purchase orders: Approved for marine applications Nominal pressure Nominal size Reference number Approved for marine applications Related documents Table 4: Information/documents Document Reference number Operating manual Typical tender for BOA-R JL PN 6 Typical tender for BOA-R JL PN 16 Typical tender for BOA-R JS PN 16 Pressure/temperature ratings Table 5: Test pressure and operating pressure PN Shell test Leak test (seat) Permissible operating...

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Check Valves and Strainers Lift Check Valves to DIN/EN Fig. 1: BOA-R Table 6: Parts list Part No. Material number Steel, sealing surface C22/ X 15 CrNi 18 8 Guide pin X 20 Cr 13 CrNi steel/graphite Seat ring Body marked "BOA-H" Spare part Spare part

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Check Valves and Strainers Lift Check Valves to DIN/EN 100 80 Partially open = unstable range Fully open = stable range DN 50 Flow velocity

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Check Valves and Strainers Lift Check Valves to DIN/EN Partially open = unstable range Fully open = stable range Flow velocity

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Check Valves and Strainers Lift Check Valves to DIN/EN Partially open = unstable range Fully open = stable range Flow velocity

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Check Valves and Strainers Lift Check Valves to DIN/EN Table 7: Dimensions and weights PN 6 bolt hole pattern (dimensions k and n x d3), but flanges dimensioned to PN 16 (dimensions D and b). Please take into account when selecting flange connection bolts. DN 350 only in EN-GJS-400-18-LT, straight-way

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Check Valves and Strainers Lift Check Valves to DIN/EN Mating dimensions as per standard Face-to-face lengths: Flanges: DIN EN 1092-2, flange type 21 for EN-GJL-250 DIN EN 1092-2, flange type 21-2 for ENGJS-400-18-LT Flange facing: DIN EN 1092-2, type B Other flange designs ▪ Undrilled, DN 200-300 drilled to PN 10, drilled to ANSI Class 150; tongue (type C), groove (type D), spigot (type E), recess (type F) at both ends (to DIN EN 1092-1). ▪ Other flange designs on request Installation information The flow direction must correspond to the arrow indicated on the valve body. A minimum...

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Check Valves and Strainers Lift Check Valves to DIN/EN Chemical resistance chart Fluids handled The information provided in this chemical resistance chart is based on experience, the Dechema lists as well as manufacturer information. Corrosion resistance is largely dependent on the operating conditions, temperatures and concentrations. Hydroabrasive wear in fluids containing solids is not covered in this list. The information provided in this list is for orientation only. Warranty claims may not be asserted on the basis of this list. Crude oil Petroleum Light fuel oil Linseed oil Fluids...

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