NIBCO T-480, T-480-Y, S-480, S-480-Y, T-480-Y-LF Installation Manual

	N I B C O I N C .		1 5 1 6 M I D D L E B U R Y S T.	P H O N E : 5 7 4 . 2 9 5 . 3 0 0 0
	W O R L D H E A D Q U A R T E R S		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 : w w w . n i b c o . c o m

Review Date: 08/01/2020

Original Date: 08/01/2017

Installation and Maintenance Guidelines

for

NIBCO® Bronze Spring-Loaded Check Valves

3/8” to 2”

NIBCO® Performance Bronze® Lead-Free* Spring-Loaded

Check Valves

1/2” to 2”

Figure Numbers

T-480, -Y

S-480, -Y

T-480-Y-LF*

S-480-Y-LF*

*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: [phone] • Fax: [phone]

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1.0GENERAL INFORMATION

1.1SCOPE

These instructions are furnished for use in the installation, operation and maintenance of all sizes of NIBCO bronze spring-loaded check valves, two-piece construction, as well as, Lead-Free* Performance Bronze® spring-loaded check valves in potable water applications.

1.2GENERAL DATA

A.MANUFACTURER

NIBCO INC.

1516 Middlebury Street Elkhart, IN 46516 Phone: [phone]

B.FIGURE NUMBERS AND DESCRIPTIONS

Figure	Description
Number	(Spring-Loaded Check Valves)
T-480	Threaded end, two-piece construction, Buna-N disc (no SWP)
	Class 125, Y – PTFE disc
	LF – Lead-Free* Performance Bronze® (15 SWP)
T-480	Threaded end, two-piece construction, Buna-N disc (no SWP)
	Class 125, Y – PTFE disc
	LF – Lead-Free* Performance Bronze® (15 SWP)

All threaded end preparations of valves meet American National Pipe Thread (N.P.T.) requirements as per ASME B1.20.1.

All solder end valves meet the requirements of ASME Standard B16.22.

C.IDENTIFICATION PLATES

Identification of the bronze swing check valves is made by checking for the name NIBCO cast onto the side of the valve body. The steam rating and CWP rating is a cross reference with the figure number listed above. These valves are directional. In order for them to function properly, they must be installed with the arrow pointing with the direction of flow. The arrow for direction of flow is cast onto the side of the body. In order to determine the type of seat that is used within the valve, it is necessary to look into its end and determine the seat type. The PTFE disc is always white in color and the Buna-N disc is black.

When more detailed information is required, the NIBCO Bronze & Iron Valve catalog should be referred to using the valve figure number as the guide.

NIBCO® Lead-Free* HydraPure® valves can be identified by the double oval symbol and “Si” – indicative of silicon Performance Bronze® – cast in the body of the valve.

NIBCO Technical Services • Phone: [phone] • Fax: [phone]

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When more detailed information is required, the NIBCO Lead-Free Valve catalog should be referred to using the valve figure number as the guide.

D.SERVICE

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.

E.PRESSURE-TEMPERATURE RATINGS

Pressure and temperature ratings may be found in the Engineering section of the latest printing of NIBCO catalog. This information is taken from applicable ASME Standards.

NIBCO Lead-Free* Performance Bronze® maximum pressure-temperature recommendation is 100psi at 300°F and are suitable for low pressure (15psi) steam working pressure service.

F.CODES & REGULATIONS

A valve used under the jurisdiction of the ASME boiler and pressure vessel code, the ANSI code for pressure piping, government or other regulations, is subject to any limitation of that code or regulation and to the applicable ASME Standard.

Lead-Free* Performance Bronze® spring-loaded check valves conform to MSS SP-139, NSF/ANSI-61-8 Commercial Hot 180°F (includes Annex F and G), and NSF/ANSI-372. See NIBCO Technical Bulletin NTB-1216 Low Pressure/Low Temperature Valves Lead-Free* Standard Compliance – MSS SP-139 & 145 for further clarification of lead-free standards.

G.PRODUCTION TEST PROCEDURES

Valves are pneumatically shell tested and seat tested at a pressure of 80 psi in accordance with Federal Specifications and MSS SP-80 and/or MSS SP-139 Manufacturers Standardization Society requirements.

H.PRINCIPAL DIMENSIONS

Principal dimensions of the valve are specified in the appropriate catalog.

NIBCO Technical Services • Phone: [phone] • Fax: [phone]

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