Orifice Plate Assembly

Orifice Flange Assembly Features

• Orifice design compliant with BS EN ISO 5167

• Available in multiple Orifice Assembly Types:

  1. WNRF

  2. SORF

  3. RT

  4. Other types on request

• Available in a wide range of materials

• No moving parts – simple, robust construction

• Suitable for Liquid, Gas & Vapor applications

• Available in Non-IBR and IBR Certified versions

• Maintenance-free design

Description

Orifice flange assemblies are designed for applications where an orifice plate or flow nozzle is required for flow measurement.
These flanges replace standard pipe flanges and come with integrated pressure tappings, eliminating the need for separate carriers or additional tapping in the pipeline.

Key highlights:

• Precision-machined pressure taps in each flange

• Available in socket weld or weld neck types

• Supplied with two ½" NPT tappings in each flange

• Equipped with jacking screws for easy removal of the orifice plate

• Delivered as a complete assembly including bolts, nuts, and gasket kits

• Suitable for a wide range of line sizes and pressure classes

Technical Specifications General

• Line Size: 15 NB to 1000 NB (½” to 40”)

• Accuracy: ±1% of F.S.

Pressure Taps

• Flange Tap

• Corner Tap

• Radius Tap (D & D/2 Tap)

Material Options

• Flanges:

  • A105

  • A182-F316

  • A182-F304

  • A182-F11

  • A182-F22

  • Other materials available on request

• Gaskets:

  • CAF

  • SWG (Spiral Wound Gasket)

  • PTFE

  • Other materials on request