Orifice Plate Manufacturer in Chennai: Titanium and Exotic Alloys
Nobel Weld is an orifice plate manufacturer in Chennai for concentric, eccentric, segmental and restriction orifice plates in titanium, Hastelloy, Monel, 316Ti and duplex. Plates are machined to ISO 5167 tolerances on bore, edge and flatness.
In corrosive flow, a stainless orifice plate can lose its sharp edge and its accuracy. An exotic-alloy plate keeps the edge and the reading.

Bore and edge accuracy from an orifice plate manufacturer
The bore is turned to the calculated diameter and the upstream edge kept sharp and square; bevel, flatness and surface finish are checked to ISO 5167. Plates are stamped on the handle with tag, bore and material.
Where they are used
- Flow measurement in corrosive lines
- Restriction orifices for pressure drop
- Seawater, chlorine and acid service
How we make orifice plates
- 1Bore turned to calculated diameter
- 2Sharp upstream edge and bevel per ISO 5167
- 3Flatness and finish checked
- 4Handle stamped with tag, bore and material
Standards
- ISO 5167-2 (orifice plates)
- ASME MFC-3M
Materials
- TitaniumGr 1, 2, 5 (Ti-6Al-4V), 7, 12
- HastelloyC-276 (N10276), C-22 (N06022)
- MonelMonel 400 (N04400)
- Special stainless steels304L, 316L, 316Ti, 317L, 321, 904L
- ZirconiumZr 702 (R60702), Zr 705 (R60705)
Material supplied with EN 10204 3.1 certificates and heat-number traceability.
Where we deliver
Orifice plates for Chennai, Tamil Nadu and India
From Chennai, we serve plants, OEMs and EPC contractors across Tamil Nadu and the rest of India, with EN 10204 3.1 certificates, heat-number traceability and export packing where needed.
- Chennai
- From our shop in Gowrivakkam to plants in Manali, Ennore, Ambattur, Guindy, Sriperumbudur and Oragadam.
- Tamil Nadu
- Coimbatore, Hosur, Tiruchirappalli, Thoothukudi, Cuddalore, Ranipet, Madurai and Mettur.
- India
- Gujarat, Maharashtra, Karnataka, Telangana, Andhra Pradesh and Kerala; export on ex-works, FOB or CIF terms.
FAQ
Orifice plates: common questions
What does your orifice plate manufacturing include?
Concentric, eccentric, segmental and restriction orifice plates, with or without flanges and carriers.
Can you calculate the bore?
Send the flow data, pipe size and differential pressure, or the bore from your calculation sheet.
Which standard do you follow?
ISO 5167-2 for orifice plate geometry and tolerances, or ASME MFC-3M on request.
Send the drawing for your orifice plates
Tell us the material grade, size and quantity, or send a sample. You get a technical and commercial reply within 48 hours.