Cameron WHEATLEY 500 Series Installatie-, Bedienings- en Onderhoudshandleiding - Pagina 5
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The flanged swing check valve (Figure 1& Figure 2) features a hinged stainless steel clapper with an O-ring seal. The
design allows the clapper to swing freely from the fully closed position to the fully opened position and back. Two
NPT plugs secure the hinge pin in a hole drilled through the body. The bonnet is bolted to the body and sealed with
an O-ring. The bonnet includes a cover plug (NPT threads). The swing check valve is a full bore type that will pass a
sphere with a nominal size not less than that specified in Table 1 of API 6D. An optional removable seat (Figure 2)
is secured in the valve bore with a retaining ring.
Due to the critical nature of pressurized piping systems it is recommended that the compatibility to the service of
the metallic and non-metallic components be confirmed prior to installation. This valve is not recommended for
slurry service.
INSTALLATION AND OPERATION INSTRUCTIONS
BEFORE INSTALLATION SAFETY INSTRUCTIONS
READ CAREFULLY BEFORE INSTALLING OR OPERATING THE VALVE
Hazards are inherent with the construction, operation and maintenance of high pressure piping
systems. The following information and precautions are provided to minimize these hazards:
1. The valve's nameplate indicates maximum operating pressure, as well as minimum and maximum
operating temperatures. The valve may be safely operated within these limits.
2. The valve's end connections are provided in accordance with ASME flanged end requirements.
3. These check valves have been certified as fire tested to API 6FD requirements (except 1" (25mm) size).
The user is responsible for the application of other devices to limit damages due to external fire, if
required by local safety regulations.
4. The valve has been factory pressure tested based on the nameplate maximum operating pressure.
5. Valves 4" FP 900 ASME and larger may be provided with integral lifting lugs, otherwise the valves may be
lifted using slings. Fittings and other devices, which may be attached to the valve, are not intended to be
used as lifting points. Always follow local safety regulations when lifting heavy valves.
6. WHEATLEY valves are designed, manufactured, and tested under a certified quality system. Only quality
parts and materials are used in the assembly of WHEATLEY valves. Pressure containing components are
suitable for the minimum temperature marked on the nameplate. Factory certification is available.
TC-003001-13/ Rev 02
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