Industrial Gas Regulator
Century Weiye : Your Leading Industrial Gas Regulator Supplier in China!
Century Weiye (Dalian) Control Equipment Co., Ltd. is a professional supplier specializing in industrial valves and automation control equipment. Since 2019, we have been dedicated to serving global process industries with reliable products, fast delivery, and practical engineering support.
Fast Delivery from Ready Stock
Large inventory allows us to respond quickly to urgent requirements. Standard items can be shipped within 1–2 weeks, helping you avoid costly downtime and project delays.
One-Stop Procurement Solution
From product selection to delivery, we cover the full process including technical consultation, quotation, order handling, quality inspection, and logistics coordination.
Reliable Quality Assurance
All products are inspected before shipment and backed by a 1-year warranty. This ensures stable performance in demanding industrial environments.
Global Supply Experience
We have served clients across the Middle East, Southeast Asia, and other regions, supporting refinery projects, chemical plants, and industrial upgrades.
Introduction
Industrial gas regulators are essential control devices used to maintain stable downstream pressure, ensuring safe and efficient operation of gas systems in industrial environments.
They are widely used to regulate pressure for natural gas, LPG, air, oxygen, nitrogen, and other industrial gases, providing accurate pressure control, high reliability, and long service life.
Specifications
|
Model |
Type |
Pressure Range |
Body Size & Connection |
Capacity |
|
289A |
Spring-Loaded Relief Valve |
Low pressure |
1/4" NPT |
Low capacity |
|
289H |
Relief Valve / Backpressure Regulator |
Standard pressure range |
1" or 2" NPT |
Medium–High |
|
289HH |
High-Pressure Relief |
Higher setpoints than 289H |
1" or 2" NPT |
High |
|
289L |
Low-Pressure Design |
Very low setpoints |
1" NPT |
Medium |
|
289U |
Compact Relief Valve |
Light-duty |
1/4" NPT |
Low |
Features

Maintains consistent down
Stream pressure even under inlet fluctuations.
High Flow Capacity
Especially pilot operated models, suitable for large installations.


Reliable Safety Performance
Built‑in relief functions protect systems from over‑pressure.
Durable Material Options
Available in carbon steel, stainless steel, and corrosion resistant alloys.

We provide comprehensive customization services to meet specific project requirements:
Pressure Range Customization
Adjustable inlet and outlet pressure ranges
Spring calibration for precision control
Material Selection
Carbon steel
Stainless steel (304 / 316 / 316L)
Special alloys for corrosion or high‑temp environments
Connection Types
NPT / BSP threaded
ANSI / DIN / JIS flanged
Custom connection sizes


Seal & Diaphragm Materials
NBR
EPDM
FKM / FFKM
PTFE options for chemical compatibility
Flow Capacity Adjustment
Multiple orifice sizes
Cv optimization based on system demand
Special Configurations
Built‑in filter/regulator combo
Internal relief / external relief options
Explosion‑proof housings
Low noise trim
Quality Assurance
We implement strict quality control at every stage:
Material Inspection & Traceability
01
Precision Machining & Assembly
02
Pressure & Leakage Testing
03
Compliance with ANSI / API / ISO Standards
04
Optional certification & test reports upon request
05
Technical Support & Services
We provide:
Free engineering consultation
Product selection & sizing assistance
Fast quotation (usually within 24 hours)
After‑sales support and replacement parts













