 Astava - the stopping power.
Engineering, manufacturing, assembling and pressure testing of complete instrumentation hook-ups.
Interlocking solutions
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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).
For more options please, contact
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The market in which Astava is experienced for over 50 years with a wide range of products. Learn more... 
For this industry Astava is partner for complete instrument hook-ups and accessories like sealpots, pulsation dampeners. Learn more... 
Since the mid 70’s Astava is also active in the nuclear industry for the supply of solutions for Bellow Sealed valves and ASME valves. Learn more... 