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Summary of Contents for Armatec DVC4930
- Page 1 DVC4930 PTFE Lined Butterfly Valve Installation and Operating Instructions...
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Page 2: Preparing For Installation
Installation and Operating Instructions 1 Intended Use 3.1 Procedure The operation of the valve is the responsibility of Pipeline medium may remain in the the system operator. The valve may only be used dead space of the valve within the pressure-temperature limits. The pressure, temperature and corrosion &... - Page 3 Installation and Operating Instructions 5 Valve Installation Pipe Diameters DN [mm] DN [Inch] Dmin* Dmax Warnings & Precautions 1" 21.6 24.6 1½" 43.1 • During installation and maintenance work, suita- 2" 54.5 ble protective clothing, including gloves and 2½" 70.3 protective goggles, must be worn.
- Page 4 Installation and Operating Instructions 5.2 Bolting Recommended Bolting Torques Bolts must be tightened in a star DN [mm] DN [Inch] Locked Torque [Nm] pattern 1" 1½" 1. Tighten each bolt to 10% of recommended 2" torque 2½" 2. Tighten each bolt to 30% of recommended 3"...
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Page 5: Potentially Explosive Atmospheres
Installation and Operating Instructions 6 Potentially explosive atmospheres The valve does not fall within the scope of the ATEX Directive 2014/34/EU, however the following models are available, which may be used in potentially explosive atmospheres according to the described conditions. Standard Area A: No potentially explosive atmosphere Area B: No potentially explosive atmosphere... - Page 6 Installation and Operating Instructions Recognising Explosion Prevention Models Standard EX min EX max Earthing Bolt: No earthing bolt Earthing Bolt: An earthing bolt Earthing Bolt: An earthing bolt on the neck of the valve on the neck of the valve allows on the neck of the valve allows for the connection of a ground for the connection of a ground...
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Page 7: Maintenance
Installation and Operating Instructions 7 Maintenance 9 Disposal Please see the Maintenance Instructions for details It is possible that residues can remain inside the valve, which are harmful to human and environment. 8 Decommissioning Therefore the valve has to be treated with adequate precaution.
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