Right Valve, Right Application

Each customer request, project and technical specification shall be full understand before selecting of the valves.

Take the pipeline ball valves for example, we need to get confirmed from the customer the fluid of the project, gas or oil; if the valves are to installed underground, the length of the estended stem needed; if the pipeline ball valves are fulled welded or bolted body. Also need to make clear all the main material, such as body material and trim material; the connection of ends, flanged or butt welding ends; gear operated ball valves or motor operated ball valves; side entry or top entry ball valves, also the standard of design, manufacture and testing etc.


Latest and Advanced Desgin

All the valve design is to adopt the latest and advanced design, which is the basic for the performance of valves and customer satisfaction. The  valve technial from China valve manufacturers develope a lot in recent years, especially in recent 10 years, thanks to good machining equipment, experience of accumulating as well as capital devoting.


The Latest Standard

Some of the most commonly used standards are as below:

Design Standard:

API 6D, API 607, API 607, API 594, API 599, API 602, API 600, API 627, ASME B16.34, BS 1868, BS 1873


Material Standard:

ASTM A216, ASTM A217, ASTM A350, ASTM A351, ASTM A352, ASTM A105, ASTM A182, ASTM A217


Test Standard:

API 598


The Finest Raw Material

We purchase the raw material from the best supplier in our market. Good quality raw material is the basic to gurantee the valve quality.

Each raw material is carefully inspected, only the approved raw material will be put into use.


Full Quality Control

The company is ISO 9001 certified. The quality control is according to ISO 9001, all people, all procedures related to the valve quality.

Each valve is to test according to customer specification and international standard, such as API 598. 


Quality Gurantee

18 months dating from shipment or 12 months dating from installation, whichever comes early.

© 2019 Zhejiang Relia Valve Co., Ltd.,China