AK / SSK

AK / SSK

AK / SSK

Product catalog summary
Overview: This document provides technical specifications and applications for safety shut-off valves (Sicherheitsschnellschluss-Absperrklappen) designed for gaseous media, including flammable and neutral gases. These valves are suitable for use in safety-related systems up to SIL3 according to DIN EN IEC 61508 and DIN EN IEC 61511 standards.
Specifications:
  • Applicable for all gases as per DVGW-Arbeitsblatt G 260 and flammable gases according to EN 437.
  • Designed for use as safety shut-off valves in gas pipelines to burners or burner groups.
  • One-piece body with a centric disc and blow-out proof stem.
  • Wafer type body for flanges according to DIN EN 1092-1 form A, B, E - PN 6.
  • Face-to-face dimensions according to the manufacturer's standard.
  • Actuator adaptation according to DIN EN ISO 5211.
  • Sealing element vulcanized in the body.
  • Closing time: DN 500 < 1 sec; DN 600 - 1200 < 2 sec.
  • Leak rate A according to DIN EN 12266-1.
  • Maximum working pressure: 2 bar.
  • Type examination basis: DIN EN 13774, DIN EN 161 - valve class A, valve group 2.
Materials:
  • Body: 1.0570 with two-component coating.
  • Disc: 1.4571, 1.0570, 1.4462 fluoropolymer coated; Compo Coat CCR32.
  • Shaft: 1.4057.
  • Sealing Element: NBR-DVGW*, FPM vulcanized.
  • Shaft Sealing: Acetal resin/PTFE-bushing with internal and external NBR/FPM O-rings.
  • Bushing: Maintenance-free, high-tech plastic glide bearing.
Dimensions and Weights: The document provides detailed dimensions and weights for valves ranging from DN 500 to DN 1200, including specific measurements for diameter, length, and weight.
Applications: These valves are suitable for use in safety-related systems as a single safety-related subsystem, ensuring reliable shut-off in gas pipelines.
Additional Information: The document notes that technical data changes and developments are reserved, and the specified measures/weights can be altered according to operating conditions/configurations.
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Catalog excerpts

AK / SSK-1

HERBERHOLZ INDUSTRIE ARMATUREN SICHERHEITSSCHNELLSCHLUSS-ABSPERRKLAPPEN SAFETY SHUT-OFF VALVES DN 500 - DN 1200 • PN 6 • DIN EN 161 A BAUREIHE SERIES Sicherheitsschnellschluss-Absperrklappe nach EN 161 Klasse A Registriernr. CE-0085BN0562 EN 161 ohne DVGW-Zulassung Bericht Nr. V149 2013 E2 Rev. 02 Safety shut-off valve acc. to EN 161 class A Registration no. CE-0085BN0562 EN 161 without DVGW certification acc. to report V149 2013 E2 Rev. 02 EINSATZMOGLICHKEITEN - Fur alle Gase nach dem DVGW-Arbeitsblatt G 260, brennbare Gase nach EN 437 und andere neutrale Gase. - Als Sicherheitsabsperrventil fur Gaszuleitungen zu Brennern oder Brennergruppen einsetzbar. - Geeignet zur Verwendung als einkanaliges Subsystem in sicherheitsgerichteten Systemen nach DIN EN IEC 61508, bzw. DIN EN IEC 61511, bis einschlieGlich SIL 3. APPLICATIONS - For all gaseous media acc. to DVGW-Arbeitsblatt G 260, flammable gas and other neutral gases. - May be used as safety shut-off valve for gas pipes to burner or multiple burners. - Suitable for use in safety related systems as a single safety related subsystem acc. to DIN EN IEC 61508 and DIN EN IEC 61511 for up to and including SIL3. MERKMALE - Einteiliges Gehause, dichtschlieGend, zentrische Klappenscheibe. - Mit ausblassicherer Welle. - Ausfuhrung zum Einklemmen zwischen Flansche nach DIN EN 1092-1 Form A, B, E - PN 6. - Baulange nach Werknorm. - Anschlussflansch fur Antriebe nach DIN EN ISO 5211. - Dichtelement im Gehause einvulkanisiert. - SchlieGzeit DN 500 <1 sec. DN 600 - 1200 <2 sec. - Leckrate A nach DIN EN 12266-1. - Max. zul. Betriebsdruck 2 bar. - Prufgrundlage: DIN EN 13774, DIN EN 161 - Ventilklasse A, Ventilgruppe 2. CHARACTERISTICS - One-piece body, tightly closing, centric disc. - Blow out proofed stem. - Wafer type body for flanges acc. to DIN EN 1092-1 form A, B, E - PN 6. - Face to face dimensions acc. to manufacturer's standard. - Actuator adaption acc. to DIN EN ISO 5211. - Sealing element vulcanized in body. - Closing time DN 500 <1 sec. DN 600 - 1200 <2 sec. - Leak rate A acc. to DIN EN 12266-1. - Max. working pressure 2 bar. - Basis of type examination: DIN EN 13774, DIN EN 161 - valve class A, valve group 2. [email protected] - www.herberholz.com

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AK / SSK-2

SICHERHEITSSCHNELLSCHLUSS-ABSPERRKLAPPEN SAFETY SHUT-OFF VALVESDN 500 - DN 1200 • PN 6 • DIN EN 161 A TYP TYPE BAUREIHE SERIES TECHNISCHE DATEN TECHNICAL DATA **) Die angegebenen MaBe / Gewichte konnen sich in Abhangigkeit von Betriebsbedingungen / Auslegungen verandern. The specified measures / weights can be altered in accordance with the operating conditions / configuration Technische Weiterentwicklung und Anderung der Daten vorbehalten. Technical data changes and developments reserved. [email protected] - www.herberholz.com

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.