PRODUCT TYPE: CV10-21, Poppet Type, Directional Control, Hydraulic cartridge check valve
APPLICATION: To Hydraulic Blocks or Manifolds
CONNECTION TYPE: Threaded, Screw-in Connection
PART NOS.: FT-CV10 Series
Valve Cavity: Below
Valve Housings:
– Customized threaded available
– Leak free isolation in one direction valve
– Several opening pressure optional

CV10-21 Threaded hydraulic cartridge check valve uses to stop the flow from the reverse direction in order to protect executive actuators in hydraulic system. The main components of threaded check valve is simple: valve cover, valve seat, springs, seal ball or poppet, washer and O-rings. The valve sealing part can be fitted with stainless steel and steel poppet. Finotek selects raw materials of the valve carefully, the poppet seal has a better reliable action and long sealing characteristics.

Finotek manufactures threaded cartridge check valve with most fine steel and hardened the key parts to gain zero flow seal in reverse direction and largely extend the valve service life, without often maintenance the valves in hydraulic systems

CV10-21 cartridge check valve Profile Details

CV10-21 Cartridge check valve Ordering Code

Example (Normal code): “FT-CV10-21-N-15 ” Explanation As Below:


(1) Supplier = By Finotek
(2) Valve Type =CV10-21, Poppet Type, Screw-In Style, Hydraulic cartridge check valve
(3) Seals: N= Buna (Std.) ; V= Fluorocarbon

(4) Bias Spring:
5 = 0.25 bar (4 psi) ; 10 = 1.6 bar (25 psi)
15 = 2.6 bar (40 psi) ; 20 = 4.0 bar (60 psi)

CV10-21 Cartridge check valve Technical Information

Working Operation Pressure: 240bar(3480psi)
Max. Flow Rate: 75L/min.
Proof Pressure: 350 bar (5075 psi)
Inner Leakage: Less than 0~0.30cc/min. (2 drops/min.) max. at 210 bar 
Working Tem.:  -30oC to +120oC
Standard Crack  Of Bias Spring: 0.34 bar (5 psi); 1 bar (15 psi); 2.1 bar (30 psi); 4.8 bar (70 psi); 6.9 bar (100 psi)

Media Temperature: -30 to +80(°C)for NBR O-rings
Body/Housing Material:
Anodized 6061-T6 Aluminum alloy for pressure of 210bar(3045psi)
Oil Medium: Mineral oil as per DIN51 524, VDMA 24 568 or rapeseed oil, Viscosity 10 – 400 CST
Recommended Medium Filtration: ISO 4406 Standard, cleanliness class:20/18/15

CV10-21 Cartridge check valve Symbol


CV10-21 Cartridge check valve Flow Performance

CV10-21 Check Cartridge Valve Performance-Curves

CV10-21 Cartridge check valve Cavity

CV10-21 Check Cartridge Valve Profile Details
CV10-21 cartridge check valve Cavity