World Wide Suppliers of Industrial Sapphire&Ruby Precision Parts

Sapphire to Metal for Fluidic,Metrology&Medical Components

ISO 9001:2019 Mfg&Managment Certified Companies


We serve demanding customers worldwide.With advanced CMM device and innovative
production techniques & systems integrate latest technologies to meet the evolving
needs of our customers.

Contact Details

Chonghong Industries(Microwork)Ltd.

1803,2006,Huachuang Intl Commerce Building

Honghuang 10th Road Jiangbei District 

Chongqing China 400020

Tel: (0086-023) 67937146
Fax: (0086-023) 89119130 

Check Valve Cartridges for HPLC

Ruby Ball+Seat type check valve(CV) is the  critical components for High-Performance Liquid Chromatography (HPLC) Pump

This check valves are critical to the performance of HPLC pump,it acts as a sealing

It is a one-way valve allows fluid through in only one direction by preventing backflow and ensure maximum pumping efficiency

 Critical check valve attributes requirement depends on customers specific applications,parts major attributes are as below

    Ball and Seat Material

    Ball and Size Grade

    Ball Height

    Ball Movement

    Sealing Surface of the Ball Seat


We have rich experience in producing this check valves and we are glad to provide customer cost-saving and  reliable quality replacement parts for HPLC.