ZH-NO.2001 Manual Sanitary Flanged Check Valve
Application:
ZH-NO.2001 Series is a manual type sanitary check valve with flange ends, which is widely used in stainless steel pipe system to prevent reverse flow.
Working Principle
The valve opens when the pressure below the valve plug exceeds the pressure above the plug plus spring force. The valve close when pressure equalization has been achieved.
A higher counter pressure will press the valve plug against the seat and makes the valve closed.
Material:
Material Contact Parts: 304 or 316L
Sealing Material: Standard EPDM,Silicon, FDM,HNBR for option.
Connection Style:
Welded,threaded,clamped,flange
To assure the connection and substitution with imported facilities,all the connection styles with pipe or equipment are made to DIN 11850,IDF/ISO,SMS international standard size.
Technical Data:
Required differential pressures to turn on the valve that fitted in a vertical pipeline are about:
Max. Pressure for transfer material: 10Bar
Max.Temperature: 140℃（EPDM)
Min.Temperature: -10℃
Dimension:(ZH-NO.2001-Flanged Check Valve)
SMS
|
Size
|
A
|
B
|
C
|
H
|
|
1”
|
22.1
|
25.4
|
87
|
90
|
|
1-1/2”
|
34.8
|
38.1
|
97
|
90
|
|
2”
|
47.5
|
50.8
|
110
|
110
|
|
2-1/2”
|
60.2
|
63.5
|
127
|
120
|
|
3”
|
72.9
|
76.2
|
142
|
145
|
|
4”
|
97.38
|
101.6
|
162
|
150
|
DIN
|
Size
|
A
|
B
|
C
|
H
|
|
DN25
|
26
|
29
|
87
|
90
|
|
DN32
|
32
|
35
|
92
|
90
|
|
DN40
|
38
|
41
|
97
|
90
|
|
DN50
|
50
|
53
|
110
|
110
|
|
DN65
|
66
|
70
|
127
|
120
|
|
DN80
|
81
|
85
|
142
|
145
|
|
DN100
|
100
|
104
|
162
|
150
|
Email: yuzheng@yuzheng-valve.com
Tel: 86-577-86961077
Fax: 86-577-86961078
