Are Vajra valves equivalent to Oliver Valves in terms of certifications?

Vajra valves carry the same API 6D, API 607, ASME B16.34, and relevant international certifications as Oliver Valves-equivalent products. Material traceability with EN 10204 3.1 mill certificates is provided on all orders.

Home Valve AlternativesOliver Valves

Valve AlternativeOrigin: United KingdomEst. 1980

Oliver Valves Valve Alternative

Oliver Valves Ltd (Oliver Twinsafe)

Oliver Valves Ltd (Knutsford, Cheshire, UK) manufactures needle valves, instrument valves, double block and bleed (DBB) manifolds, monoflanges, and subsea isolation valves for offshore and onshore oil & gas applications. Oliver Twinsafe's DBB ball valves and subsea tree isolation valves are specified by major offshore operators including BP, Shell, and Equinor for North Sea and deepwater projects. Vajra Industrial Solutions supplies equivalent SS 316L needle valves, DBB valve manifolds, monoflange assemblies, and instrumentation ball valves at competitive pricing with full 3.1 material certificates.

Legal DisclaimerOliver Valves, Oliver Twinsafe, and related product names are registered trademarks of Oliver Valves Ltd. Vajra Industrial Solutions is not affiliated with Oliver Valves. We supply independently sourced instrumentation and DBB valves to equivalent API and NACE specifications.

Why Consider Oliver Valves Alternatives?

Oliver Valves instrumentation products carry a significant UK OEM premium — often 4–6× cost of equivalent SS 316L DBB and needle valves

For standard topsides instrumentation hook-up, equivalent DBB monoflanges and needle valves at lower cost

Large EPCI projects can save 30–50% on instrumentation valve packages without compromising NACE or API compliance

Replace expensive bespoke manifolds with standard-dimension monoflange assemblies for new-build tie-in projects

Oliver Valves → Vajra Equivalence Reference

Indicative equivalences for common Oliver Valves valve series. Dimensional and specification compatibility must be verified by the project engineer before substitution.

Type	Oliver Valves Series	Vajra Equivalent	Notes
Double Block and Bleed Valve	Oliver Twinsafe DBB Ball Valve	Double Block and Bleed (DBB) Ball Valve SS 316L	API 6D DIB-1/DIB-2, ASME 1500/2500, SS 316L forged, NACE MR0175
Monoflange	Oliver Monoflange (2-valve, 3-valve)	Monoflange Double Block and Bleed Manifold	SS 316L, 6000 psi (413 bar), ASME B16.5 flange, integral isolation + drain
Instrumentation Needle Valve	Oliver 15K / 20K Needle Valve	SS 316L High-Pressure Needle Valve	15,000 psi / 20,000 psi, 1/4" or 3/8" Swagelok / NPT / tube end
Subsea Isolation Valve	Oliver Subsea Ball Valve	Subsea-Rated Ball Valve SS 316L / Duplex	ROV/diver operated, corrosion-resistant, up to 3,000 m water depth rated

Why Choose Vajra

SS 316L forged DBB ball valves to API 6D — DIB-1 and DIB-2 configurations

Monoflange assemblies: 2-valve (isolate+drain) and 3-valve (DBB+bleed) in SS 316 and Duplex 2205

NACE MR0175/ISO 15156 compliant — hardness-tested and TM0284 tested on request

1/4" to 2" needle valves in SS 316L — NPT, Swagelok tube, or Autoclave HP end connections

Full material traceability: EN 10204 3.1 MTCs, PMI (Positive Material Identification) on request

Certifications & Standards

API 6DAPI 607 (Fire Safe)ASME B16.34API 598EN 10204 3.1IBR (Indian Boiler)ISO 9001:2015NACE MR0175

Common Applications

Offshore topsides instrument manifolds — monoflange DBB assembliesSubsea X-mas tree isolation — API 6D DBB ball valves NACE MR0175Wellhead sampling and chemical injection needle valves — HP SS 316LCompressor performance testing instrumentation — high-pressure needle manifolds

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