Stainless Steel Orifice Flanges
Introduction
Stainless steel orifice flanges are weld neck or slip-on flanges with integrated taps used for installing orifice plates to measure fluid flow.
Stainless Steel Orifice Flanges
Precision Tapping Process
CNC Coordinate Positioning
CNC-locked tap spacing and angles ensure perfect physical symmetry for precise pressure signal collection.
Mirror-Finish Internal Honing
Internal roughness is controlled below Ra 0.8μm to eliminate burrs, ensuring pulse-free pressure transmission.
Standard NPT Threading
Precision-milled threads ensure a "seal-on-spin" connection with transmitters, preventing signal leakage.
Compliance & Testing
ASME B16.36 Compliance
Full adherence to specialized orifice codes, verifying flange thickness and axial tap tolerances.
Spectral Material Audit
100% dual spectral analysis (raw material & finished product) to confirm precise Ni/Cr content for 304/316L.
Key Application Scenarios
Custody Transfer
Flow metering for natural gas city gates and industrial gas networks.
Process Monitoring
Flow control for corrosive media in chemical and pharmaceutical pipelines.
Clean Utilities
Flow distribution and monitoring in food processing and purified water systems.
01
Configurations
Weld Neck (WNRF), Slip-on (SORF), or Threaded structures.
02
Tap Sizes
1/2" NPT, 3/4" NPT, or specialized diameters per instrumentation requirements.
03
Assemblies
Supplied with high-strength bolts, pressure plugs, and specialized orifice gaskets.
Manufacturing Strength & Credibility
Technical Heritage
Over a decade of experience in instrument-grade flanges; deep understanding of error-inducing factors.
Laboratory Support
In-house mechanical and chemical labs ensure full-process quality control.
Global Accreditations
ISO 9001 and PED certified; meets admission standards for major global projects.
Stock Availability
Extensive raw material and tooling stock significantly reduce custom order lead times.
FAQ
Q1. Why are orifice flanges thicker than standard flanges?
The added thickness accommodates the lateral tapping holes while ensuring the flange maintains structural integrity under high pressure.
Q2. How do you prevent the tap holes from clogging during service?
Using premium stainless steel with mirror-finished internals. The ultra-smooth surface minimizes media adhesion and scaling.
Q3. Do your orifice flanges include Jackscrews?
Yes. Each set includes two opposing jackscrews to facilitate spreading the flanges for quick orifice plate or gasket replacement.
Q4. How do you ensure the perpendicularity of the tap hole?
Through single-setup machining. CNC programming locks the 90° verticality between the tap and flange axes, eliminating measurement errors.
Hot Tags: stainless steel orifice flanges, China stainless steel orifice flanges manufacturers, suppliers, factory, restriction orifice flange, orifice weld neck flange, orifice plate corner taps, flange orifice welding neck, orifice blind flange, orifice flange standard
You Might Also Like
Send Inquiry