NIBCO Bronze, Globe and Angle Valves 1/ to Class 175 WWP User Manual
NIBCO Technical Services • Phone: 1.888.446.4226 • Fax: 1.888.336.4226
T-376-(A/AP) Class 300 threaded end, rising stem, union bonnet,
A – nickel alloy disc and seat or
AP – 420 stainless steel plug and seat.
All threaded end preparations of valves meet ASME B1.20.1 (NPT)
requirements. All solder end valves meet the requirements of ASME Standard
An aluminum identification plate is attached beneath the handwheel nut. This
identification plate gives the figure number of the valve, some general information
about the trim and location of NIBCO’s corporate offices.
When more detailed information is required, the NIBCO Bronze & Iron Catalog or
Fire Protection Catalog should be referred to, using the valve figure number as
When installing valves for service in corrosive media, the NIBCO Chemical
Resistance 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.
PRESSURE TEMPERATURE RATINGS
Pressure and temperature ratings may be found in the Engineering section of the
latest printing of NIBCO Bronze & Iron Catalog or Fire Protection Catalog. This
information is taken from applicable ANSI or UL/FMRC Standards.
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 ANSI Standard.
Valves are pneumatically shell tested and seat tested at a pressure of 80 psi in
accordance with Federal Specifications and MSS SP-80 Manufacturers
Standardization Society Requirements. Fire Protection valves are tested in
accordance with the appropriate Underwriters Laboratories (UL) and Factory
Mutual Approvals (FM) Specifications.
Principal dimensions of the valve are specified in the appropriate catalog.