Datasheet Angle Seat Check Valves Type 303/304
Advantages
- Self closing check valve
- For horizontal and vertical installation
- Easy maintenance of check element without dismantling the valve
- Overall length according to EN588
Dimensions
d15DN10 - d90DN 80, 3/8" - 3"
Martials Valve Body
PVC-U, ABS
Connection Types
Solvent cement sockets ISO
Solvent cement Spigots JIS
Flanges JIS
Sealing Materials
EPDM, FPM
Nominal pressure PN in bar
PN 10
Actuation
Hand-operated
kv 100-Values
DN
mm
Zoll
Inch
10
15
20
25
32
40
50
65
80
d
mm
⅜
½
¾
1
1¼
1½
2
2½
3
kv 100
l/min
(Δp = 1 bar)
16
20
25
32
40
50
63
75
90
Cv 100
US gal./min
(Δp = 1 psi)
45
95
170
300
440
700
1100
1700
2400
3.2
6.7
11.9
21.0
30.8
49.0
77.0
119.0
168.0
kv 100
m³/h
(Δp = 1 bar)
2
5
10
18
26
42
66
102
144
Design
1. Body
2. Flat gasket
3. Piston
4. O-Ring
5. Valve top
6. Union
7. Circlip
1 P / T-Diagrams
PVC-U
ABS
T (°F)
-18
2
22
42
62
102
122
142
162
T (°F)
182
-58
220
PVC-U
Type 303
200
180
P (bar)
140
120
100
PN 10
P (psi)
160
80
60
40
0
-50
-40
-30
-20
-10
0
10
20
T (°C)
30
40
50
60
70
80
90
P Permissible pressure in bar, psi; T Temperature in °C, °F
P0737446
20
-38
-18
2
22
42
62
82
102
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
122
142
162
182
220
ABS
Type 303
200
180
160
140
120
PN 10
100
80
60
40
20
0
-50
-40
-30
-20
-10
0
10
20
T (°C)
30
40
50
60
70
80
90
P0737445
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
82
P (psi)
-38
P (bar)
-58
P Permissible pressure in bar, psi; T Temperature in °C, °F
The pressure temperature diagrams are based on a lifetime of 25 years and the medium water or similar
media.
Pressure Loss Diagram
Medium Water, 20 °C; X Flow rate (l/min), (US gal./min); Y Pressure loss Δp (bar), (psi)
DN
mm
10
15
20
25
32
40
50
65
80
Zoll
Inch
3/8”
½”
¾”
1”
1 ¼”
1 ½”
2”
2 ½”
3”
Differential
pressure for
full stroke
bar
0.02
0.02
0.02
0.02
0.02
0.03
0.03
0.03
0.03
Open
Min. flow for full
stroke
Min. flow rate for
full stroke
l/min
m/sec
5
10
18
28
50
95
200
280
420
Closed
Tight at
bar
1.1
1.1
1.1
1.1
1.2
1.4
1.5
1.8
1.8
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
2 Dimensions
Angle seat check valve type 303 with solvent cement spigots metric
d
DN
D
L
L1
L2
H
closest
mm
mm
mm
mm
mm
mm
mm
inch
16
10
39
114
120
24
58
⅜
20
15
43
124
130
28
65
½
25
20
47
144
150
37
75
¾
32
25
56
154
160
37
90
1
40
32
64
174
180
44
102
1¼
50
40
82
194
200
48
123
1½
63
50
95
224
230
60
144
2
75
65
92
284
290
74
186
2½
90
80
104
300
310
85
204
3
Angle seat check valve type 303 with solvent cement sockets JIS
Zoll
DN
z
D
D1
L
H
inch
½
¾
1
1¼
1½
2
mm
15
20
25
32
40
50
mm
162
170
180
204
228
266
mm
43
47
56
64
82
95
mm
53
53
53
74
83
103
194
208
224
256
290
342
Angle seat check valve type 303 with fixed flange JIS
Zoll
DN
D
D1
D2
D3
inch
mm
½
¾
1
1¼
1½
2
2½
3
mm
15
20
25
32
40
50
65
80
mm
95
100
125
135
140
155
185
200
mm
70
75
90
100
105
120
140
150
mm
48
54
62
71
88
103
106
120
mm
15
15
19
19
19
19
19
19
mm
65
75
90
102
123
144
L
H
mm
mm
130
150
160
180
200
230
290
310
65
75
90
102
123
144
186
204
Specifications All Angle Seat Check Valves shall be manufactured according to EN ISO 16137 and overall length
according to EN 558-1, available in metric sizes DN 10-80 mm with EPDM or FPM seals and with solvent
cement spigots. The Angle Seat Check Valves shall be leakproof from a water column of 2 m for EPDM
and 3 m for FPM seals as supplied by manufacturer standards. The Angle Seat Check valves
shall be designed for a nominal pressure rate of 10 bar..
Planning Fundamentals
The following link will lead you to the Georg Fischer Planning Fundamentals. These detailed documents
will support you by choosing the right valve for your application.
http://www.gfps.com/content/gfps/com/en/support_and_services/planning_assistance/planning_fundamentals.html?lang=en
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