Flowserve 1888 Double-Disc Gate Valve Manuel d'utilisateur

USER INSTRUCTIONSAnchor Darling 1888-lb. Double-Disc Gate Valve½" through 2" Valves with 10" Manual Tee Handles FCD ADENIM0001-00Exper

107.0 MAINTENANCE REQUIREMENTS 7.1 Preventive Maintenance 7.1.1 Check all nuts and bolts periodically to ensure tightness and to forestall poss

118.0 PERIODIC IN-SERVICE TESTING RECOMMENDATIONS AND PROCEDURES 8.1 It is recommended that the valve be operated from full open to full close a

129.0 MAINTENANCE INSTRUCTIONS 9.1 The following instructions cover the disassembly and reassembly of a Series 1888 double-disc gate valve. Ty

139.0 MAINTENANCE INSTRUCTIONS (Continued) 9.1.1 Disassembly (Continued) (g) Remove the gland bolt nuts (234), allowing removal of the gland bo

149.0 MAINTENANCE INSTRUCTIONS (Continued) 9.1.2 Assembly Assembly of the valves is simply the reverse of disassembly. Prior to reassembly, re

159.0 MAINTENANCE INSTRUCTIONS (Continued) 9.1.2 Assembly (Continued) (i) Install the packing into the bonnet in accordance with Section 9.2.

169.0 MAINTENANCE INSTRUCTIONS (Continued) 9.3 Lapping Procedure After the valve has been disassembled, a visual inspection of the seating surfa

1710.0 STORAGE REQUIREMENTS The valves have been shipped in the closed position. Upon receipt of the valves at destination, the crates should be ex

18Flowserve gate valves are supplied with a crowned sealing surface on the seat in order to provide precise seat width and tight sealing. Lapping of t

1911.0 BOLTING TORQUE VALUES At intervals of not more than six (6) months, check the tightness of all bolting. The recommended torque values for al

1.0 Physical Description and Operation of Equipment 2.0 Design Conditions 3.0 Operating Conditions 4.0 Test Conditions 5.0 Operating Precautions

20SECTION 12.0 REFERENCE DRAWINGS1888-lb. Double-Disc Gate Valve FCD ADENIM0001-00

21Figure 11888-lb. Double-Disc Gate Valve FCD ADENIM0001-00

22Figure 21888-lb. Double-Disc Gate Valve FCD ADENIM0001-00

23SECTION 13.0CUSTOMER-CERTIFIED ASSEMBLY DRAWING(S)1888-lb. Double-Disc Gate Valve FCD ADENIM0001-00

flowserve.comUnited StatesFlowserve CorporationFlow Control Division1900 S. Saunders StreetRaleigh, NC 27603 Phone: (919) 832-0525Fax: (919) 831-336

1888-lb. Double-Disc Gate Valve FCD ADENIM0001-00Revision Sheet3Revision Date Changes Description- 02/03/2004 Original Issue

41.0 PHYSICAL DESCRIPTION AND OPERATION OF EQUIPMENT 1.1 Double-Disc Gate ValvesThe double-disc design is unique in that there are two independent

52.0 DESIGN CONDITIONS Refer to the applicable drawing(s) in Section 13 of this manual.1888-lb. Double-Disc Gate Valve FCD ADENIM0001-00

63.0 OPERATING CONDITIONS Refer to the applicable drawing(s) in Section 13 of this manual.1888-lb. Double-Disc Gate Valve FCD ADENIM0001-00

74.0 TEST CONDITIONS 4.1 Each valve covered by this manual has received the following hydrostatic tests with no measurable leakage4.1.1 A shell h

85.0 OPERATING PRECAUTIONS AND LIMITATIONS 5.1 Maximum hydrostatic test pressure shall not exceed the values imposed by the ASME Code, Section III

6.0 INSTALLATION INSTRUCTIONS 6.1 Lifting and Handling Requirements and Limitations 6.1.1 Good judgment should be exercised in selecting a lift