Samvay Fluid Tekniks manufactures needle valves at its Ahmedabad works and supplies them to Qatar, where LNG production and gas to liquids drive most instrumentation demand. Ras Laffan is the heart of global LNG supply, and its expansion projects need large quantities of instrumentation fittings.
A needle valve uses a fine tapered stem to throttle or isolate small flows with precise control, which makes it the standard choice for isolating gauges, transmitters and sampling points. In Qatar the typical service is gas processing service in hot, humid coastal conditions, so grade selection and documentation matter as much as price. Every order ships with heat traceable material and a test record.
Needle Valves for industries in Qatar
Isolating pressure transmitters, gauges and sample points on process and wellhead lines.
Double block isolation of instruments on hydrocarbon lines during calibration.
Double block isolation of instruments on hydrocarbon lines during calibration.
Gauge and transmitter isolation on high temperature steam lines.
Choosing the right grade in Qatar
Service conditions in Qatar usually mean gas processing service in hot, humid coastal conditions. These are the grades we most often supply for that duty.
| Recommended grade | Why it suits Qatar |
|---|---|
| Super duplex 2507 or S32760 | High chloride air and seawater, where PREN above 40 resists pitting and crevice corrosion |
| SS 316 or brass | Natural and fuel gas trains, with soft or metal seats chosen for the gas quality |
| SS 316H or alloy steel F11 and F22 | High temperature steam service, supplied with IBR documentation where required |
Needle Valves specifications
| Thread | NPT PT BSPP G |
| Size | 1/2″ to 4″ (DN15 to DN100) |
| Function | 4 Way, 3 Way, 2 Way, 5 Way, |
| Connection | Welded, Socket, Clamped, Flanged, Threaded |
| Pressure Class | 3000PSI, 5000PSI |
| Pressure Rating | 3000 PSI, 1500 PSI, 6000 PSI |
Needle Valves we supply in Qatar
Standards and documents for projects in Qatar
- QatarEnergy material specifications
- NACE MR0175
- ASME B31.3
- Positive material identification and hydrostatic test reports on request
- Packing lists, origin certificates and HS code 73072900 or 84818030 on every invoice
Delivery to Qatar
We deliver by sea from Mundra or Nhava Sheva to Hamad Port in about 6 to 8 days. Our regular delivery points include:
- Ras Laffan
- Mesaieed
- Dukhan
Frequently asked questions
Which material grade do you recommend for projects in Qatar?
For high chloride air and seawater, where PREN above 40 resists pitting and crevice corrosion, we usually recommend Super duplex 2507 or S32760. Where conditions are milder, SS 316 or brass is a cost effective alternative. Share your process data and we will confirm the grade before quoting.
Do you deliver needle valves to Ras Laffan and Mesaieed?
Yes. We ship by sea from Mundra or Nhava Sheva to Hamad Port in about 6 to 8 days. Regular consignments reach Ras Laffan, Mesaieed and Dukhan, and mixed orders of valves, fittings and accessories can be consolidated into one shipment with a single set of documents.
What certificates come with orders for Qatar?
Orders for Qatar are supplied to QatarEnergy material specifications, NACE MR0175 and ASME B31.3. Every part is heat marked and traceable to its mill certificate, and third party inspection by the agency of your choice can be arranged before dispatch.
What pressure ratings and end connections are available?
Our needle valves are rated at 1500, 3000 and 6000 psi, in sizes from 1/2 inch to 4 inch (DN15 to DN100), with NPT, PT and BSPP threads or socket weld, flanged and clamped ends. Two way, three way, four way and five way patterns are available, so one supplier can cover root valves, gauge isolation and manifold duties on the same project in Qatar.
How do I request a quote for Qatar?
Email your item list with sizes, grade, quantity and delivery point to sales@samvayglobal.com or message us on WhatsApp at +91 77389 26862. We reply within one working day with price, lead time and shipping terms for Qatar.