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SchuF Group
Valves for Alumina Service

Valves for Alumina Service

Product catalog summary

Overview: The document provides technical specifications and details for various types of valves designed by SchuF - Chemieventile Vertriebs GmbH & Co. KG, specifically for Alumina service and applications prone to erosion and scaling. The valves include Angle valves, Bayonet Angle valves, Y-globe valves, and Tank Bottom valves.

Specifications:

Valves are designed according to ASME B16.34 standards.
Nominal diameters range from DN 50 to DN 900 (2” to 36”).
Pressure ratings range from PN 10 to PN 100 (ASME 150 to ASME 600).
Flange connections comply with DIN EN 1092 and ASME B16.5.
Valves are tested according to API 598 standards.
Valve bodies are overdesigned to withstand erosion or abrasion.
Reinforced pads allow for optional flushing nozzles.
Enlarged stem diameters and optional stem protection or hard facing are available.
Sealing surfaces are stellited for durability.
Internal linings are available to prevent erosion, abrasion, or corrosion.
Manufactured under ISO 9001 quality system.

Features:

Grinding device can be used while the valve is installed, ensuring easy handling and no downtime.
Packing area is designed for easy valve packing changes.
Yoke-actuator connections are standardized for various actuator types.
Optional tapered seat design is available.

Materials:

Body yoke, yoke, and stuffing box material: ASTM 216 Grade WCB.
Stem: 1.4021 (AISI420) or equivalent; for high pressure valves: 1.4542 (AISI 630) or equivalent.
Disc and seat: Carbon steel with stellited sealing surfaces; for high pressure valves: 1.0487 (ASTM A 516 Grade 60).
Gasket: Spiral wound.
Packing: Graphite.

Valve Types and Dimensions:

Angle Bayonet Valve 19AS/Angle Valve 18AS: Dimensions and stroke lengths are provided for sizes ranging from 2” to 24”.
Y-globe Valve 50AS: Dimensions are provided for sizes ranging from 2” to 16”, with options for handwheel or bevel gear operation.
Tank Bottom Valve 16AS/17AS: Dimensions are provided for sizes ranging from 2” to 16”.

Catalog excerpts

Valves are designed to ASME B16.34 Nominal diameters from DN 50 up to DN900 (2 to 36Ԕ) Pressure ratings from PN 10 up to PN 100 (ASME 150 to ASME 600) Flange connections according to DIN EN 1092, ASME B16.5 Tested according to API 598 Valve body wall overdesigned to maintain integrity in the event of possibleerosion or abrasion Reinforce pad around the valve body up to 180 to allow the option ofadded flushing nozzles Angle valve 18AS Bayonet Angle valve 19 AS Y-globe valve 50AS Tank Bottom valve 16/ 17AS Enlarged stem diameter to increase durability Stem protection or stem hard facing available Sealing surfaces of disc and seat stellited The grinding device can be used while the valve is installed. This ensures:- easy handling; the grinding device can be used by field operators- no down time Internal linings to avoid erosion, abrasion or corrosion available Packing area specifically designed for Alumina service with T-headedscrews for stuffing box connection to allow easy change of valve packing Yoke-actuator connection standardised for different actuator types Optional: tapered seat design Manufactured under quality system ISO 9001 All valves can be delivered with grinding device manual actuated with handle, spur gear or bevel gearbox Body yoke, yoke and stuffing box material: ASTM 216 Grade WCBStem: 1.4021 (AISI420) or equivalentStem for high pressure valves: 1.4542 (AISI 630) or equivalentDisc and seat: Carbon steel, sealing surfaces stellitedDisc and seat for high pressure valves:1.0487 (ASTM A 516 Grade 60) Gasket: Spiral woundPacking: GraphiteOptions: internal linings, stem protection API 598 ASME B16.34 ASME B16.34 ASME B16.34 MSS SP25 Valve body: 3.1 cert Trim material: 2.2 cert as per EN 10204 >

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Telefon 0049-6198-571-100 . Telefax 0049-6198-571-200 . www.schuf.de >

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Angle bayonet valve 19AS/ angle valve 18AS, ASME 150 Valve type 19AS Valve type 18AS PositionDescription abHbayonetvalveHanglevalveDx d1StrokebayonetvalveStrokeanglevalve 10Body 20Seat 12ؔ27634918001560600299240260 30Disc with Stem 40Guide Ring 1430536819101620600324290290 > To be specified 50Stuffing Box Gland 16Ԕ34038119701680600375290320 60Yoke 1835640621001850600425290380 70Spur gear box 80Handle 20Ԕ39445722001950600476315430 100Packing Ring 2445150823502100600 578370520 > Telefon 0049-6198-571-100 . Telefax 0049-6198-571-200 . www.schuf.de >

Open the catalog to page 3

Telefon 0049-6198-571-100 . Telefax 0049-6198-571-200 . www.schuf.de >

Open the catalog to page 4

Telefon 0049-6198-571-100 . Telefax 0049-6198-571-200 . www.schuf.de >

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Tank bottom valve 16AS/17AS, ASME 150 Valve type 17AS Valve type 16AS PositionDescription fHtDw Ps 10Body 20Seat 10ؔ4151080180600273355 30Disc 12ؔ4801110180600323,8420 40Spindle 14ؔ5201180200600355,6485 50Yoke 60Stuffing box 16ؔ5801310210600 > To be specified 406,4530 70Bevel gear box 80Packing Ring 100Mating flange > Telefon 0049-6198-571-100 . Telefax 0049-6198-571-200 . www.schuf.de >

Open the catalog to page 6

Valves for Alumina Service

Valves for Alumina Service

Catalog excerpts

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