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 2
2 out of 3
1 out of 4
With flowschemes:
block-bleed-test
block-bleed-block-test
block-block-bleed-test
IEC 61508/ IEC 61.511 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: SIL 4 level with a PFDavg 4.3 10-5.
To download the certificate please, click here (Pdf, 1 Mb). Extraction of the report, please contact Astava.
PED 97/23/EC Class IV Safeguarding devices. For more info on CE-marking for this product click button Quality on the left.
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 datasheets. Please, click on the datasheet for more info (download Pdf).
Astava - the stopping power.
To download the certificate please, 
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