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T H I S S P AC E F OR D E S I GN E R / E NG I N E E R A P P ROV A L
Job/Customer ________________________________ Date _____________________ Contractor__________________________________________
Model Specified_______________________________ Qty ______________________ Approved By________________________________________
Designer/Engineer_____________________________ Date _____________________ Contractor’s PO #____________________________________
Submitted by _________________________________ Date_____________________ Other______________________________________________
Teflon® is a registered trademark of Dupont.
Teflon® is a registered trademark of Dupont.
T H I S S P AC E F OR D E S I GN E R / E NG I N E E R A P P ROV A L
Job/Customer ________________________________ Date_____________________ Contractor__________________________________________
Model Specified_______________________________ Qty ______________________ Approved By________________________________________
Designer/Engineer_____________________________ Date _____________________ Contractor’s PO #____________________________________
Submitted by _________________________________ Date _____________________ Other______________________________________________
1. FLANGED BODY FORGED BRASS (ASTM B283-C37700)
2. END CAP FORGED BRASS (ASTM B283-C37700)
3. SEATS TEFLON® (PTFE)
4. BALL BRASS/HARD CHROME PLATE
5. STEM BRASS (ASTM B124-C37700)
6. STEM SEAL TEFLON® (PTFE)
7. PACKING GLAND BRASS (ASTM B124-C37700)
8. LEVER HANDLE C.P. STEEL
8a. WING STYLE "T" HANDLE C.P. STEEL/VINYL GRIPS
9. HANDLE NUT BRASS (ASTM B124-37700)
10. HANDLE JACKET VINYL GRIP
11. SEAT RETAINER BRASS (ASTM B124-C37700)
12. HOSE THREADED END CAP FORGED BRASS (ASTM B283-C37700)
13. DRAIN VALVE SEATS TEFLON® (PTFE)
14. DRAIN VALVE BALL BRASS/HARD CHROME PLATE
15. DRAIN VALVE STEM BRASS (ASTM B124-C37700)
16. DRAIN VALVE STEM SEAL TEFLON® (PTFE)
17. DRAIN VALVE HANDLE ENAMEL COATED ALUMINUM
18. CAP AND CHAIN BRASS (ASTM B124-C37700)
w/NBR HOSE WASHER
19. MOUNTING BOLTS AND NUTS STEEL Designed for residential and commercial use with all 2 bolt flanged circulator pumps. The unitary
construction of the brass body and flange provide strength and versatility for any application where
a pipe and flange meet. This valve is the only choice to use in a closed system were a large port
drain and fill valve is required. The approved valve features a hard chrome plated solid brass ball
with reinforced Teflon® seats. The valve is actuated by a blowout proof stem with a Teflon® seal
that features an adjustable packing nut. Vinyl coated stamped steel handle. Additional wing style
"T" handle included with mounting nuts and bolts.
PATENTED TECHNOLOGY
5041 SERIES
FULL PORT FORGED BRASS
BALL VALVE WITH DRAIN
SWT x FLANGE x HOSE
(600 WOG/150 WSP) - ISO 9001
PRESSURE RATING
600 WOG non-shock
150 WSP
PSI
600
500
400
300
200
Valve Seat Rating
200°F 300°F 400°F
all Teflon® seated valves
“Maximum Temperature is 400°F @ 100 PSI”
1. Solder end complies with ANSI B16.18
2. Hose end complies with ANSI B1.20.7
3. Manufactured in an ISO 9001 Facility
The Isolator® is a registered trademark of Webstone Company Inc.
with DRAIN
2
16
1
13
15 17
12 16 14
6
10
3
1
9
8
5 6 7
7
4
1
11
C
B
E
D
A
L
18
19
5041HV SERIES
H I GH V E L OC I T Y
P UMP OP T I ON
Flanges configured for high velocity
pumps, add HV as a suffix to the end of the
item number. Available in sizes 1" through
2". See G through L dimensions on HV*.
page 7.
Specifications
Approved pump isolation flanged valves shall be 2-piece design constructed of brass unibody flange and end
cap. Seats shall be Teflon® (PTFE). Stems shall be brass with a Teflon® (PTFE) seat secured with a brass
packing gland to adjust handle actuation tension and prevent leakage for the life of the valve. Valve shall
be rated 600WOG. The valve shall be a Webstone Company, Inc. Isolator® or Isolator® with drain.
10 8a
FLANGE FOR
STANDARD MODELS
* All High Velocity valves share E, G, H, I, J, K and L measurements (except 40417HV).
Cv = The number of gallons of water per minute that pass through the valve at a 1lb pressure drop.
ITEM F G H I J K L CV
50413 3/16 1/2 3/4 1 1/8 3 3/16 4 1/8 1/2 11.47
50414 3/16 1/2 5/8 1 5/16 3 3/16 4 1/8 1/2 24.01
50415 3/16 1/2 1/2 1 5/8 3 3/16 4 1/8 3/4 49.30
50416 3/16 1/2 5/16 2 3 3/16 4 1/8 3/4 161.30
50417HV 1/8 1/2 11/16 5/8 3 1/2 4 9/16 3/4 248.61
HV* 1/8 11/16 5/8 1 1/8 3 1/2 4 9/16 3/4 N/A
FG H I
K
J
F G H I
K
J
ITEM SIZE CTN/CS A B C D E
50413 3/4 2/20 3/4 3 3/4 2 1/4 4 3/8
50414 1 2/20 15/16 3 15/16 2 1/2 4 5/8 3/8
50415 1 1/4 2/20 1 1/4 4 5/16 2 3/4 4 5/8 3/8
50416 1 1/2 2/20 1 1/2 5 7/16 3 3/8 5 9/16 3/8
50417HV 2 1/10 2 6 1/8 3 3/8 5 15/16 3/8
FLANGE FOR HV MODELS
2II model features larger flange and round
holes