Haihao Group Delivers High-Precision Orifice Plate for Flow Measurement Systems
Haihao Group has successfully completed the production and shipment of a batch of orifice plate products along with matching holders, manufactured to meet strict industrial standards for accurate flow measurement. This order demonstrates our capability to supply high-performance solutions for complex pipeline systems.
Project Overview
The delivered products include a complete set of orifice plate components designed for installation in an 8-inch orifice plate holder. Each item is engineered for precision measurement and long-term durability under high-pressure conditions.
Key Specifications:
- Product: Orifice Plate & Orifice Plate Holder
- Holder Type: Sharp Edge, with handle
- Holder Size: 8″
- Orifice Plate Sizes: 1″, 2″, 2.5″, 3″, 3.5″, 4″, 4.5″
- Pressure Rating: Class 1500
- Plate Thickness: 3 mm
- Material: Alloy 825 (UNS N08825)
- Model: 91EN2HAF3Y / 91N2HAF3YJB
- Standard Facing: RJTP Male
Each orifice plate is precisely machined to ensure accurate differential pressure measurement in pipeline systems.

Precision machined orifice plate and holder set
Why Orifice Plate is Essential for Flow Measurement
The orifice plate is one of the most widely used devices for flow measurement in industrial pipelines. Its reliability and simplicity make it a preferred choice across various industries.
Advantages include:
- High measurement accuracy with stable performance
- Simple structure with easy installation and maintenance
- Cost-effective solution for flow monitoring
- Compatibility with international standards and systems
With proper calibration, each orifice plate ensures consistent and repeatable measurement results.
Superior Material: Alloy 825
All products in this shipment are manufactured from Alloy 825 (UNS N08825), known for its excellent resistance to corrosion and harsh environments.
Material benefits:
- Outstanding resistance to acids and chloride stress corrosion
- Suitable for high-temperature and high-pressure conditions
- Long service life in aggressive media
This ensures that every orifice plate maintains structural integrity and performance over time.
Precision Manufacturing and Quality Assurance
Haihao Group implements strict quality control throughout the production process:
- CNC machining for precise bore and edge sharpness
- Surface finishing to meet flow measurement requirements
- Dimensional inspection and tolerance verification
- Full documentation including MTC and compliance certificates
Each orifice plate is carefully inspected before shipment to guarantee compliance with project specifications.
Application Areas
These orifice plate products are widely applied in:
- Oil and gas transmission systems
- Petrochemical processing plants
- Power generation facilities
- Industrial fluid measurement systems
Their accuracy and durability make them a key component in flow measurement solutions.
Haihao Group: Reliable Partner for Flow Measurement Solutions
With extensive experience in pipeline components, Haihao Group delivers high-quality orifice plate products tailored to customer requirements. Our focus on precision engineering and material excellence ensures reliable performance in critical applications.
If you are looking for a trusted supplier of orifice plate solutions, Haihao Group is ready to support your project with professional service and competitive pricing.
