Are Vajra valves equivalent to Hoke in terms of certifications?

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

Home Valve AlternativesHoke

Valve AlternativeOrigin: USAEst. 1945

Hoke Valve Alternative

Hoke LLC (now Circor International)

Hoke LLC (now a brand within CIRCOR International) manufactures high-pressure needle valves, metering valves, check valves, toggle valves, and multiport ball valves under the Hoke Milli-Mite, Hoke Hi-Pro, and Gyrolok brands — widely used in refinery sampling systems, gas analysers, chromatography skids, and hydraulic control panels. Hoke needle valves (2300 series, 3000 series) are specified for instrument impulse lines, gas injection, and high-pressure steam trap bypass lines. Vajra Industrial Solutions supplies equivalent SS 316L needle valves (Class 800–2500), instrument ball valves, multiport ball valves, and manifold assemblies — covering both the standard instrumentation (up to Class 1500) and high-pressure process (Class 2500, up to 10,000 psi) needle valve ranges.

Legal DisclaimerHoke is a registered trademark of CIRCOR International. Vajra Industrial Solutions is not affiliated with, endorsed by, or a distributor of Hoke/CIRCOR products. We supply independent valves to equivalent or superior specifications.

Why Consider Hoke Alternatives?

Hoke/CIRCOR import premium — Hoke needle valves and multiport valves are significantly more expensive than equivalent ASME Class 800–1500 SS 316L alternatives

Indian and Gulf plant instrument valve procurement for impulse lines, sampling, and gauge root valves where Hoke brand is performance-specified (not manufacturer-mandatory)

Bulk needle valve procurement for new plant construction — replacing individual Hoke specification with equivalent ASME 316L valves at project budget

Replacement instrumentation valves for existing Hoke-installed systems on standard threaded (NPT/BSP) and socket-weld connections

Hoke → Vajra Equivalence Reference

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

Type	Hoke Series	Vajra Equivalent	Notes
Needle Valve	Hoke 2300 Series (1/4"–3/4" SS needle valve)	SS 316L Needle Valve — ASME B16.34 Class 800–1500	DN6–DN20, 316L body, 316L hardened needle, SW or NPT ends
Needle Valve	Hoke 3000 Hi-Pro (high-pressure needle valve to 10,000 psi)	SS 316L High-Pressure Needle Valve — Class 2500	DN6–DN15, 316L forged, Class 2500, 10,000 psi WOG, NPT or SW ends
Ball Valve	Hoke Gyrolok multiport ball valve	SS 316L Multiport 3-Way Ball Valve — Class 800–1500	DN6–DN25, 316L, L-port or T-port, NPT/SW ends, PTFE seats
Check Valve	Hoke 8A series check valve	SS 316L Piston Check Valve — Class 800–1500	DN6–DN25, SS 316L, Class 800–1500, spring-loaded, SW or NPT

Why Choose Vajra

SS 316L needle valves Class 800–2500, EN 10204 3.1 MTCs, hydrostatic test report standard

Multiport (3-way, 4-way) L/T-port SS 316L ball valves for instrument manifolding

High-pressure needle valves to Class 2500 (10,000 psi) for gas injection sampling

2–4 week lead time from Vadodara for standard SS 316L instrumentation needle valve sizes

ISO 9001:2015 with API 598 hydrostatic test and API 6D dimensional compliance for instrument ball valves

Certifications & Standards

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

Common Applications

Primary root valves for pressure transmitters and pressure gauges on impulse linesVent and drain needle valves on instrument sampling systems and analyser skidsMultiport selector valves for manifold and gauge/transmitter crossoverHigh-pressure gas sampling and chromatograph sample conditioning needle valves

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