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Installation and Maintenance Guidelines
NIBCO
1/4" to 3" Class 125, 150, 200 and 300
®
NIBCO
Performance Bronze
*Weighted average lead content ≤ 0.25%
CAUTION: Only qualified personnel should undertake the procedures outlined in this document.
NIBCO INC., its agents, representatives and employees assumes no liability for the use of these
procedures. These procedures are offered as suggestions only.
NIBCO Technical Services • Phone: 1.888.446.4226 • Fax: 1.888.336.4226
N I B C O I N C .
W O R L D H E A D Q U A R T E R S
for
®
Bronze Swing Check Valves
®
Lead-Free* Swing Check
Valves 1/2" to 2"
Figure Numbers
T-413-B,Y,W
S-413-B,Y,W
T-413-Y-LF*
S-413-Y-LF*
T-433-B,Y,W
S-433-B,Y
T-453-B,Y
T-453-B,Y
S-473-B,Y
T-473-B,Y
1 5 1 6 M I D D L E B U R Y S T .
P H O N E :
E L K H A R T , I N 4 6 5 1 6 - 4 7 4 0
F A X :
5 7 4 . 2 9 5 . 3 3 0 7
U S A
W E B :
Review Date: 08/01/2017
Original Date: NA
5 7 4 . 2 9 5 . 3 0 0 0
w w w . n i b c o . c o m
1
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Related Manuals for Nibco T-413-B
Summary of Contents for Nibco T-413-B
- Page 1 *Weighted average lead content ≤ 0.25% CAUTION: Only qualified personnel should undertake the procedures outlined in this document. NIBCO INC., its agents, representatives and employees assumes no liability for the use of these procedures. These procedures are offered as suggestions only.
-
Page 2: General Information
GENERAL INFORMATION SCOPE These instructions are furnished for use in the installation, operation and maintenance of NIBCO 1/4” to 3” Class 125, 150, 200 and 300 bronze swing check valves, with screwed in bonnet, as well as, Lead-Free* Performance Bronze ®... -
Page 3: Pressure-Temperature Ratings
When installing valves for service in corrosive media, the NIBCO Chem-Guide may be consulted for specific data or contact can be made with NIBCO Technical Services. It is, however, the obligation of the user to make the ultimate decision of fitness for use. -
Page 4: Installation
Therefore, any movement of the disc is in a true arc and the disc will always center itself over the seat in the valve body. On NIBCO bronze check valves, no control of the disc can be affected from the exterior of the valve body. -
Page 5: Handling And Installation
5x the nominal pipe diameter (preferably 10x) with straight piping to provide laminar flow. All NIBCO check valves are shipped in cardboard boxes for protection against exterior damage and accumulation of dust or dirt on the delicate seating surfaces. The boxes are not waterproof and, therefore, require that they be protected from the weather. -
Page 6: Operation
After the valve has been installed, the valve should be tested to make sure that it opens and closes easily and that the bonnet joints or pipe joints are not leaking. For more details on proper check valve selection and installation, see NIBCO Technical Bulletin NTB-0703 Design and Use of Check Valves. -
Page 7: Troubleshooting
For more details on check valves, see NIBCO Technical Bulletin NTB-0596 Check Valve Cracking Pressure. TROUBLESHOOTING LEAKAGE THROUGH THE BONNET JOINT If the bonnet joint leaks, the valve should be isolated and depressurized. The bonnet should be removed according to instructions in Section 2. The seating surfaces of the bonnet and body should be closely inspected. -
Page 8: Spare Parts
SPARE PARTS Normal spare parts to be maintained on hand are listed on the NIBCO spare parts list. If the bonnet or body are damaged it is normally less expensive to remove the entire valve from the line and install a new one. - Page 9 When the joint is filled, a continuous run of solder alloy will be visible and drip from the bottom of the joint. NIBCO Technical Services • Phone: 1.888.446.4226 • Fax: 1.888.336.4226...
- Page 10 Never direct the flame into the capillary gap between the tube and solder cup – always work the flame away from the gap. Apply flame to valve at base of socket. Heat uniformly, NIBCO Technical Services • Phone: 1.888.446.4226 • Fax: 1.888.336.4226...
- Page 11 Always assemble each threaded joint by isolating the assembly to a single end of the valve. After installation of valve, support line; a sagging pipe line can distort valve and cause failure. NIBCO Technical Services • Phone: 1.888.446.4226 • Fax: 1.888.336.4226...
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