Yoshitake CV-25U is a check valve used for individual water supply to complex housing. It prevents the dirty water flow-back from hydrant and machinery, when negative pressure happens inside the main water supplying pipe at the time of water stoppage.

Features

• Prevents flow back from water supplier at the time of water stoppage. No affection to the water quality of main water supplying pipe.
• The valve can be installed either horizontally or vertically due to spring type.

Specification

Model	CV-25U
Size	20A, 25A
Application	City water
Inlet pressure	1.0 MPa or less
Shut-off pressure	Min. 0.005 MPa
Temperature	5-35℃
Material (Body / Nipple)	Brass or Bronze
Material (Valve)	POM (Duracon)
Material (Union nut)	Brass or Bronze
Connection	JIS G x JIS R screwed

Dimensions (mm) and Weights (kg)

Nominal size	d1	d2	L	A	Weight
20A	G 1	R 3/4	50	38	0.2
25A	G 1-1/4	R 1	55	47	0.4

Pressure Loss Chart

Chart of the flow rate is a reference value.