Sempell Globe Valves, Forged High Pressure
Contents
1. gt PENTAIR SEMPELL FORGED STEEL GLOBE VALVES OPERATING AND SAFETY INSTRUCTIONS Before installation these Instructions must be fully read and understood These instructions summarise the main warnings concerning the routine operations as per the related installation and maintenance manual STORAGE WARNING A Storage in an open area for a limited period can be considered only in case the valves have appropriate packing packed incases lined with tarred paper and contents well protected with barrier sacks e Do not place consignment packages directly on the ground e Do not expose consignment packages to the weather or directly to the sun e Check the packages every two months INSTALLATION In case the valve is equipped with electric actuator please refer to the following warnings WARNING A See the actuator user manual for the actuator preparation e n the open direction only the stop has to be set with the limit switch In case the limit switch is not adjusted the backseat will be destroyed by the high torque e In the close direction the end stop also has to be set with the limit switch as the first stop The torque switch in the close position has to be set as a second stop e The adjustment of the limit switches in both end stop positions has to be handled when the actuator is assembled to the valve according to the operation instructions www pentair com valves IMPORTANT e Before welding2. made only by qualified personnel Do not use the lifting points located on the actuator If any to lift the valve These lifting points are for the actuator only e Caution must be taken during the handling to avoid that this equipment passes over the workers or over any other place where a possible fall could cause damage In any case the local safety regulations must be respected 2012 Pentair plc All Rights Reserved MAINTENANCE WARNING A e Depressurize the line before starting any maintenance Failure to do so may cause serious personal injury and or damage to the valve e In case of valve removal depressurize the line before starting any operation with the valve in open position Then close the valve VCOSI 02219 EN 15 11 SEMPELL FORGED STEEL GLOBE VALVES OPERATING AND SAFETY INSTRUCTIONS IMPORTANT e To ensure tightness of P S gasket pull up bolts must be tightened when the valve is under fully hydrostatic pressure test or twenty four hours in operation e Yearly checking of bolt torque is recommended See Tables 1 and 2 e The segment ring has to be fixed by the safety ring Ensure that the segment ring is in the correct position TABLE BOLT TORQUE FOR PACKING BOLTS TABLE Il BOLT TORQUE FOR BONNET BOLTS Bolt Diameter Torque Stem diameter diameter Torque in mm Nm in mm mm Nm g M10 30 1 000 25 40 M16 14 Vp M12 70 1 250 31 78 M16 14 Yg M16 140 1 375 34 92 M20 18 Ya M20 260 1750 44 45 M20 18 1 M24 5
3. 80 2 000 50 80 M24 20 1 M27 760 2 250 57 15 M24 20 14 M30 1350 2 500 63 50 M27 23 2 50 69 85 M27 23 3 000 76 20 M27 23 3 290 82 55 M30 28 3 750 95 25 M33 35 According to PED ESR par 3 3 and related the design pressure and temperature are indicated on the nameplate TYPE CLASS NPS DN FAB Y M BODY OBTURATOR STEM END TO END Pmax bar AT Tmin C FIRE SAFE _ Pmax bar AT Tmax e CNACE U PED CATEG SHELL TEST PRESS Bar _ DOUBLE B 8B PO N TAG _ DOUBLE P _ SELF REL S N MANUFACTURER RAIMONDI MFG PLANT RESCALDINA MI ITALY CE 0496 gt PENTAIR gt PENTAIR PENTAIR VALVES amp CONTROLS www pentair com valves All Pentair trademarks and logos are owned by Pentair plc All other brand or product names are trademarks or registered marks of their respective owners Because we are continuously improving our products and services Pentair reserves the right to change product designs and specifications without notice Pentair is an equal opportunity employer 2015 Pentair plc All rights reserved
4. make sure the valve is completely open e Verify that the direction of the flow of the line corresponds to the arrow indicated on the valve body e Valves without the arrow are bi directional e tis recommended to perform piping flushing before the valve installation If this is not possible the valves must be set with the disc in full open position before starting with flushing e f piping system Is pressurized with water for testing and in case the piping system has been shut down after testing for a long time the following recommendations should be adopted a Use corrosion inhibitor with water to pressurize the piping system b After testing the piping system should be depressurized and the test water completely drained e For operating temperatures above 200 C 392 F a thermal insulation of the body is recommended HANDLING WARNING A e Before lifting or handling the valve or the valve actuator assembly make sure you have no limitations to do it e Check if there are some safety messages attached to the lifting points of the valve or to the actuator RED RIGID LABEL and if any find the proper document in the user manual which describes how you can operate under safety conditions e For valve handling and or lifting the lifting equipment fasteners hooks etc must be sized and selected while taking into account the valve weight indicated in the packing list and or delivery note Lifting and handling must be
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