Brochure

1: For CPVC valves add the letter "C" following the size code of the part number listed (e.g., 5423-020C)
C
v
Values
V alve
Size
O-ring
Material
PVC Material
1
Pressure
Rating
Flanged Spigot Threaded Grooved Wafer
2
EPDM 5423-020 5427-020 5421A-020 542G-020 5420-020
150 psi
Non-Shock
Water
@73°F
FKM 5433-020 5437-020 5431A-020 543G-020 5430-020
2-1/2
EPDM 5423-025 5427-025 5421A-025 542G-025 5420-025
FKM 5433-025 5437-025 5431A-025 543G-025 5430-025
3
EPDM 5423-030 5427-030 5421A-030 542G-030 5420-030
FKM 5433-030 5437-030 5431A-030 543G-030 5430-030
4
EPDM 5423-040 5427-040 5421A-040 542G-040 5420-040
FKM 5433-040 5437-040 5431A-040 543G-040 5430-040
6
EPDM 5423-060 5427-060 5421A-060 542G-060 5420-060
FKM 5433-060 5437-060 5431A-060 543G-060 5430-060
8
EPDM 5423-080 5427-080 5421A-080 542G-080 5420-080
FKM 5433-080 5437-080 5431A-080 543G-080 5430-080
10
EPDM 5423-100 5427-100 5421A-100 542G-100 5420-100
100 psi
Non-Shock
Water
@73°F
FKM 5433-100 5437100 5431A-100 543G-100 5430-100
12
EPDM 5423-120 5427-120 5421A-120 542G-120 5420-120
FKM 5433-120 5437-120 5431A-120 543G-120 5430-120
14
EPDM 5423-140 5427-140 N/A 542G-140 5420-140
FKM 5433-140 5437-140 N/A 543G-140 5430-140
16
EPDM 5423-160 5427-160 N/A 542G-160 5420-160
FKM 5433-160 5437-160 N/A 543G-160 5430-160
18
EPDM 5423-180 5427-180 N/A 542G-180 5420-180
50 psi
Non-Shock
Water
@73°F
FKM 5433-180 5437-180 N/A 543G-180 5430-180
20
EPDM 5423-200 5427-200 N/A 542G-200 5420-200
FKM 5433-200 5437-200 N/A 543G-200 5430-200
24
EPDM 5423-240 5427-240 N/A 542G-240 5420-240
FKM 5433-240 5437-240 N/A 543G-240 5430-240
.com
Temperature Pressure Rating
Size Cv
1
291
2-1/2 123
3 365
4 665
61695
82990
10 5595
12 8490
14 10,000
16 13,000
18 15,000
20 18,000
24 29,000
70 psi
System Operating
Temperature °F (°C)
100
(38)
110
(43)
120
(49)
130
(54)
140
(60)
150
(66)
160
(71)
170
(77)
180
(82)
190
(88)
200
(93)
210
(99)
Valve
Pressure
Rating
psi (MPa)
2"- 8"
PVC
150
(1.03)
135
(.93)
110
(.76)
75
(.52)
50
(.34)
-0- -0- -0- -0- -0- -0- -0-
CPVC
150
(1.03)
140
(.97)
130
(.90)
120
(.83)
110
(.76)
100
(.70)
90
(.62)
80
(.55)
70
(.48)
60
(.41)
50
(.34)
-0-
10" - 16"
PVC
100
(.70)
90
(.62)
80
(.55)
65
(.38)
50
(.34)
-0- -0- -0- -0- -0- -0- -0-
CPVC
100
(.70)
95
(.66)
90
(.62)
85
(.59)
80
(.55)
75
(.52)
70
(.48)
65
(.45)
60
(.41)
55
(.38)
50
(.34)
-0-
18" - 24"
PVC
50
(.34)
45
(.31)
40
(.30)
35
(.24)
30
(.21)
-0-
-0- -0-
-0- -0- -0- -0-
CPVC
50
(.34)
47
(.32)
45
(.31)
42
(.83)
40
(.30)
37
(.26)
35
(.24)
30
(.21)
25
(.17)
20
(.14)
15
(.10)
-0-
Quick-View Butterfly Check Valve Selection Chart
1: Gallons per
minute at 1 psi
pressure drop.
Thermoplastic Valves Product Guide & Engineering Specifictions
Butterfly Check Valves
Made in the U.S.A. Suitable for Oil-Free air handling to 25 psi, not for distribution of compressed air or gas Page 812
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