Page 223 - publication

Master format 3 part specification
Introduction
Couplings
Outlets
Fittings
Val
ves &
Accesso
ries
HighPressure
Advanced CopperMethod (IPS)
DI-LOK
®
Nipples
Plain-EndFittings
HDPECouplings
Sock-It
®
Fittings
StainlessSteel Method
Roll
Groovers
Installation& Assembly
SpecialCoatings
DesignServices
Technical
Data
Master Format3 Part Specs.
PictorialIndex
CTS Copper
System
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3.4 VALVE INSTALLATION
A. Tri-Service Valves - Models FTV-S, FTV-A:
1. Mount valve to a spool piece on the discharge side of the pump. Spool piece required is based on a minimum recommended space of 12
inches (305 mm) for pump sizes 2 inches by 2 inches (51 mm by 51 mm) to 6 inches by 6 inches (152 mm by 152 mm) and 24 inches (610 mm)
for pump sizes 8 inches by 8 inches (203 mm by 203 mm) to 12 inches by 12 inches (305 by 305 mm).
2. Do not mount valve directly to pump to avoid causing undesirable noise in the system.
3. Leave suffcient clearance around valve for valve removal or repair.
4. Install valve in the direction of fow arrows on valve body.
5. Mount valve to fanged equipment using Gruvlok Flange Adapter or industry standard grooved coupling, suitable for system pressure and
temperatures encountered.
6. Valve body has been designed to handle the weight of the pump on vertical in-line installations. The valve body is not designed to support
the piping weight. Support piping by hangers. Provide pipe supports under valve and strainer bodies.
B. Globe Valves - Model GBV-S (Soldered), GBV-T (Threaded), Balancing Valves - Model GBV-G (Grooved-End Straight), GBV-A (Grooved-End Angle):
1. To ensure accuracy of measurement of GBV-S, GBV-T, GBV-G and GBV-A valves, locate valves at least 5 pipe diameters downstream from
any ftting and at least 10 pipe diameters downstream from a pump.
2. Install no fttings within 2 pipe diameters downstream of valve.
3. Install valves with fow in the direction of the arrow on the valve body.
4. Provide easy access to probe metering ports (PMPs), drain ports and handwheel.
5. For solder applications, solder valve body in line using 95/5 solder.
6. Install valve-bonnet assembly into body, making sure non-asbestos gasket is in place.
7. Install valves in horizontal or vertical piping as indicated.
8. Do not install metering ports below the pipe (pointing down), as this will allow system sediment to accumulate in the ports.
9. Metering ports and body/drain plugs may be interchanged for improved accessibility.
3.5 PROTECTION
A. Protect installed products until completion of project.
B. Touch-up, repair or replace damaged products before Substantial Completion.
END OF SECTION
SECTION 15400 (CONT.)
Pipes, Valves and Fittings for Plumbing Systems
SECTION 15500
Piping Specialties
1.1 SECTION INCLUDES
A. Specialty piped systems.
1.2 RELATED SECTIONS
A. Section 07840 - Firestopping.
B. Section 08310 - Access Doors and Panels.
C. Section 15050 - Basic Mechanical Methods and Materials.
D. Section 15060 - Hangers and Supports.
1.3 REFERENCES
A. American Society of Mechanical Engineers (ASME) B31.1 - Power Piping (SI Edition).
B. American Society of Mechanical Engineers (ASME) B31.3 - Chemical Plant and Petroleum Refnery Piping.
C. Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-127 Bracing for Piping Systems Seismic-Wind-Dynamic
Design, Selection, Application.
1.4 SYSTEM DESCRIPTION
A. Grooved products for steel and copper piping specialty systems shall be used. Refer to Section 15050 - Basic Materials and Methods for
related materials.
Part 1 general
GL-2.10