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Applications

Aptek products are mainly instrumentation accessories used for critical applications in the field of oil and gas, Petrochem, Chemical, Pharma, Food, Pulp & paper & many more where pressure parameters are measured or monitored.

Different applications
- Isolation (Throttling & ON- OFF)
- Isolation & drain
- Isolation & calibration
- Differential pressure measurement
- Distribution
Standards
Aptek follows ISO 9001:2008 quality system for manufacturing & supply of all the products.The entire product range is certified under PED 97/23/EC. However different standards are used as mentioned below.
Raw material standards
- ASTM A 105, ASTM A 182 F 304, 304 L, F 316, F 316 L
- ASTM A 351
- ASTM A 479- 304, 304 L, 316, 316 L
- ASTM A 312
- NACE M R 0175 - latest version
Manufacturing & testing standards
- MSS - SP 99 for instrument valves
- MSS - SP - 110 for Instruments ball valves
- BS 4368 - 4 - Compression couplings
- ASME B 16.5
- ASME B 16.34
- ANSI/ASME B 1.20.1
Testing Procedure
All the Aptek products are tested as per the relevant standards
for hydraulic & pneumatic pressure.
Certification
Each & every product is supplied with the certificates for the
wetted parts & the pressure test. The general format is EN 10204 3.1
Marking
All Aptek products are supplied with laser marking.
The marking is done in accordance with MSS- SP -25
Technical information on valve heads of Needle valves,
Gauge valves & manifold valves
Pressure temperature chart
Valve heads or bonnet assemblies