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SUBMITTAL SHEET
JOB NAME ITEM TAG
JOB LOCATION PART NUMBER
CONTRACTOR DATE
ENGINEER APPROVAL DATE
LEAD FREE BRASS SWING CHECK VALVE
T/S-451 No Lead
Durable, Full-pattern cast brass body.
Large, integral seat and disc sealing surfaces.
Forged brass hinge pin assures smooth, non-binding disc operation.
T-pattern body permits either vertical (upward ow only) or horizontal
(assembly cap upright) installations.
Working Pressure, Non Shock (PSI)
Cold working pressure (CWP): 200 CWP
Saturated steam (WSP): Not suitable for steam service
www.legendvalve.com
800-752-2082
Pictured
T-451NL
DIMENSIONS
Size A (NPT) A (CxC) B (NPT) B (CxC) C (NPT) C (CxC) Cv (NPT) Cv (CxC)
3/8" 2.09 - 1.42 - 0.50 - 7 -
1/2" 2.09 2.40 1.42 1.42 0.51 0.53 9 11
3/4" 2.36 3.15 1.56 1.56 0.75 0.77 18 21
1" 2.78 3.15 1.77 1.77 0.93 0.93 33 38
1-1/4" 3.19 4.15 2.07 2.07 1.24 1.25 47 62
1-1/2” 3.90 4.57 2.17 2.17 1.38 1.38 56 82
2” 4.12 5.47 2.68 2.68 1.79 1.79 76 96
2-1/2” 5.45 6.89 3.09 3.09 2.30 2.30 130 143
3” 5.85 7.68 3.80 3.80 2.68 2.68 148 160
4” 6.94 9.47 4.17 4.17 3.54 3.54 236 204
MATERIAL SPECIFICATION
PART MATERIAL SPECIFICATION
1 Assembly Cap Lead-free cast brass UNS C46500
2 Gasket Fiber Commercial grade
3 Disc Lead-free cast brass UNS C46500
4 Body Lead-free cast brass UNS C46500
5 Pin retaining screw Lead-free forged brass UNS C46500
6 Hinge pin Lead-free forged brass UNS C46500
B
C
A
Pictured
T-451NL
Cut-away view
Certifications/Listings:
Third party certied.
NSF/ANSI 61: Drinking water system components - Health effects.
NSF/ANSI 372: Drinking water system components - Lead content.
Standards:
ANSI/ASME B1.20.1: Pipe threads, general purpose, Inch
ANSI/ASME B16.18: Cast pressure alloy solder-joint pressure tting
Pictured
T-451NL
Cut-away view
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