Installed directly in the bottom of cylinder.For quickly draining and replenishing press cylinder in the top ram presses,and to achieve zero leakage in one direction.
Small size, convenient installation
Lower pressure loss, higher flow rate
Using in rapid travers mode
Alloy steel body, high pressure resistance, long service life

Old factory address: NO.199 Dongming RD. Zhenhai Ningbo P.R.China
Tel: +86-574-55335156 | +86-574-55336188
Email: dandunhyd@163.com
Ms. Jenny Wong
Mobile / Whatsapp: +86-13777205416
Web:www.dandunhyd.com | www.nbdandun.com