Product Overview

True Union Utility Swing Check Valves
PVC White
Size Socket Threaded SR Thread
Std
Pk
Mstr
Pk
Disc
Code
1/2
S1720-05
18.02
S1720-05F
18.02
S1720-05FSR
20.64
35 0 026
3/4
S1720-07
18.57
S1720-07F
18.57
S1720-07FSR
22.36
30 0 026
1
S1720-10
19.35
S1720-10F
19.35
S1720-10FSR
24.60
18 0 026
1-1/4
S1720-12
20.37
S1720-12F
20.37
S1720-12FSR
28.76
12 0 026
1-1/2
S1720-15
22.39
S1720-15F
22.39
S1720-15FSR
36.77
10 0 026
2
S1720-20
33.64
S1720-20F
33.64
S1720-20FSR
49.15
10 0 026
2-1/2
S1720-25
56.09
S1720-25F
56.09
S1720-25FSR
80.22
20026
3
S1720-30
71.61
S1720-30F
71.61
S1720-30FSR
113.27
20026
4
S1720-40
96.66
S1720-40F
96.66
S1720-40FSR
139.38
10026
PVC Clear
Size Socket Threaded SR Thread
Std
Pk
Mstr
Pk
Disc
Code
1/2
S1720C05
23.34
S1720C05F
23.34
S1720C05FSR
25.96
35 0 026
3/4
S1720C07
23.73
S1720C07F
23.73
S1720C07FSR
27.51
30 0 026
1
S1720C10
25.93
S1720C10F
25.93
S1720C10FSR
31.16
18 0 026
1-1/4
S1720C12
27.31
S1720C12F
27.31
S1720C12FSR
35.69
12 0 026
1-1/2
S1720C15
29.29
S1720C15F
29.29
S1720C15FSR
43.66
10 0 026
2
S1720C20
41.20
S1720C20F
41.20
S1720C20FSR
56.79
10 0 026
2-1/2
S1720C25
67.66
S1720C25F
67.66
S1720C25FSR
91.81
20026
3
S1720C30
77.87
S1720C30F
77.87
S1720C30FSR
119.51
20026
4
S1720C40
103.83
S1720C40F
103.83
S1720C40FSR
146.91
10026
z
Standard Swing Check Assembly Maintains a Positive
Seal
z
Engineered for Maximum Flow, Quick Response &
Positive Shutoff
z
Excellent for Pool & Spa, OEM and General Purpose
Applications
z
Compact, Space-Saving Design
z
Replaceable PVC White or Clear Sealed Cartridge Unit
z
High Grade EPDM Seat
z
Suitable for Horizontal or Vertical Up-flow Installations
z
Socket, Threaded or SR Threaded End Connections
z
Pressure Rated to 150 psi @ 73°F Full Flow (open), 75 psi
Back Pressure (closed)
z
Maximum Service Temperature 140°F
(temperature/pressure de-ratings apply)
General Installation Information:
Swing check valves are
designed for horizontal installations, but may be installed in up
-
flow only vertical position. Check valves MUST be installed with
the valve's FLOW arrow pointing in the direction of the flow. Do
not install valve upside down. Flow velocity should not exceed
5 ft./sec. Minimum opening pressure less than 0.5 psi.
Pressure Rating @ 73°F (23°C), Water
Full Flow (open) 150 psi
Back Pressure (closed) 75 psi
Maximum Service Temperature
140°F (60°C)
Temperature/Pressure De-ratings Apply
NOT FOR USE WITH COMPRESSED AIR OR GAS
Page 5 Spears
®
Manufacturing Company
Progressive Products from Spears
®
Innovation and Technology