Interlocking Solutions


Astava designs and manufactures a fully mechanical interlocking system including housing, heating and temperature safeguarding based on customer specification. These system are supplied in the following configurations:

  • 1 out of 1
  • 1 out of 2
  • 2 out of 3
  • 1 out of 4

With flowschemes:

  • block-bleed-test
  • block-bleed-block-test
  • block-block-bleed-test

For more information about our Interlocking Solutions please contact RFQ@ASTAVA.COM.

Or contact our sales team by phone: +31 (0)522 237030.

02 Interlocking solutions - Interlocking-02
01 Enclosure solutions - AB9V1065a
01 Enclosure solutions - ABV9V1060

IEC 61508 / IEC 61511

The Astava Interlocking Solutions, or high integrity manifold block (HIMB) are certified by TüV Germany in accordance with IEC 61508.

The Astava Interlocking Solutions are certified with –

  • SIL 4 certification for 1 oo 2, 2 oo 3 and 1 oo 4 configurations, for certificate click here
  • SIL 3 certification for 1 oo 1 configurations, for certificate click here

For the extraction of the report, please contact Astava via RFQ@ASTAVA.COM.

PED 2014/68/EU

According to the Pressure Equipment Directive, Interlocking manifolds are scheduled under Class IV Safeguarding devices. For more info on CE-marking for this product click here (Quality and Certificates page)

Additional Information

Technical specifications:
Process connections: Up to 2 1/16″ RF/RTJ, Norsok L-005.
Butt weld, socket weld, graylock.
NPT, G, ISO parallel.
Internal bores: 5 mm nominal, 8 mm nominal, 10 mm nominal.
Rating: 0 up to 690 barg, 0 up to 10.000 psi.
Materials: AISI 316L, Inconel 625.
Duplex, Hastelloy C-276 (or other).
Monel 400, Monel K500, Monel 600, others on request.
Housings: GRP, AISI 316.
Heaters, connectors, etc: On customer specification.

Astava safety solutions catalogue click here.

For more options please, contact

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