Compact Non Return Valve Pipe/Single Ferrule Tube ends

 

Sealing by 90° cone with packing washer of synthetic material. Valve lift stops therefore safe free outlet shock-absorbing and muffled opening. No reduction of cross section. maximum flow rate not more than 4-5 m/sec.
Cracking Pressure 0.3TO 0.5 Kg/cm2 – Standard
Special Cracking Pressure Available
Test Pressure 25° C Room Temperature
L Series : PN 250 S SERIES : PN 400
HYDROSTATIC : Body – 375 Kg/cm2 HYDROSTATIC : Body – 630 Kg/cm2
: Seat – 250 Kg/cm2 : Seat – 400 Kg/cm2
PNEUMATIC : Seat – 40 Kg/cm2 PNEUMATIC : Seat – 40 Kg/cm2
Seal BUNA ‘N’, VITON
Material A 105, IS 2062
Finish CS zinc plated and dichromated

Description

NOTE : Ends are Tube connections to DIN : 2353, BS : 4368, IS : 8805 for Metric tube sizes. They are also available in inch OD tubes to BS : 3601/3602/3005 from 1/4″ OD to 1½” OD and nominal bore pipes to BS : 1387-1957/ANSI B36.10 & 36.19 from 1/8″ NB to 1½”NB. Also available with “O” ring weld nipple ends in PN 400 series. Add prefix “W” to the part number as WCVZ 16-SR nr, WCVZ 38-SR nr, etc.

 

SERIES
TUBE O.D
BSP THRDS
G
S1
S2
S3
L
L1
L2
Approx.
PART No.
L
SERIES
PN 250

6
1/8″
17
14
17
8
26.5
41
CVV- 6LR nr
8
1/4″
19
17
19
12
28.5
43
CVV- 8LR nr
10
1/4″
22
19
24
12
38.5
53
CVV- 10LR nr
12
3/8″
27
22
30
12
40
55
CVV- 12LR nr
15
1/2″
27
27
32
14
42.5
57.5
CVV- 15LR nr
18
1/2″
36
32
36
14
48
64
CVV- 18LR nr
22
3/4″
41
36
46
16
56
72
CVV- 22LR nr
28
1″
50
41
55
18
66
80.5
CVV- 28LR nr
35
1-1/4″
60
50
60
20
70
91.5
CVV- 35LR nr
42
1-1/2″
65
60
70
22
70.5
93
CVV- 42LR nr
S
SERIES
PN 400

6
1/4″
19
17
19
12
31.5
46
CVV- 6SR nr
8
1/4″
19
19
19
12
31.5
46
CVV- 8SR nr
10
3/8″
22
22
24
12
38
54
CVV- 10SR nr
12
3/8″
24
24
27
12
41
57
CVV- 12SR nr
14
1/2″
27
27
32
14
43.5
61
CVV- 14SR nr
16
1/9″
32
30
36
14
46
64
CVV- 16SR nr
20
3/4″
41
36
46
16
50
71.5
CVV- 20SR nr
25
1″
46
46
50
18
54.5
78.5
CVV- 25SR nr
30
1-1/4″
60
50
60
20
64
90.5
CVV- 30SR nr
38
1-1/2″
65
60
70
22
71.5
102
CVV- 38SR nr