Flowserve 1878 Y-Pattern Globe Valves Manuel d'utilisateur

Manual No. 1878-YGB-BL-1 Issued: November 26, 2002 Revision B INSTRUCTION MANUAL for ½" thru 2" 1878 lb. Y-Pattern Globe Valv

9.0 MAINTENANCE INSTRUCTIONS (Continued) (15) At this time, the disc and seat ring may be lapped if required. The seating surface should be

9.0 MAINTENANCE INSTRUCTIONS (Continued) 9.2 REPLACEMENT OF PACKING (Refer to Figure 1 for reference part numbers) (1) Remove the two Gland

9.0 MAINTENANCE INSTRUCTIONS (Continued) 9.3 REFINISHING SEALING SURFACES Minor discontinuities in the seat sealing surface, which may cause l

9.0 MAINTENANCE INSTRUCTIONS (Continued) 9.4 TROUBLESHOOTING A. Excessive Tee-Handle (175) Effort or Binding Excessive tee-handle effort or

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

SECTION 11.0 REFERENCE DRAWING(S) 15

FIGURE 1: 16

SECTION 12.0 CUSTOMER ASSEMBLY DRAWING(S) 17

TABLE OF CONTENTS 1.0 Physical Description and Operation of Equipment 2.0 Design Conditions 3.0 Operating Conditions 4.0 Test Conditions

Manual No. 1878-YGB-BL-1 REVISION RECORD Revision Section Description Date - All Original Issue 11/26/2002 A 9.1.2

1.0 PHYSICAL DESCRIPTION AND OPERATION OF EQUIPMENT 1.1 GLOBE VALVES (Figure 1) These valves are primarily designed for tight shutoff and thro

4.0 TEST CONDITIONS 4.1 Each valve covered by this manual has received the following hydrostatic tests: 4.1.1 Shell hydrostatic test at 1.5 ti

6.0 INSTALLATION INSTRUCTIONS (Continued) 6.2.3 Where possible, install the valves with the stem vertical. 6.2.4 The valves should then be bloc

7.0 MAINTENANCE REQUIREMENTS 7.1 PREVENTATIVE MAINTENANCE 7.1.1 Check all nuts and bolts periodically to ensure tightness and to forestall po

9.0 MAINTENANCE INSTRUCTIONS 9.1 DISASSEMBLY and REASSEMBLY The following instructions cover the disassembly and reassembly of the ½”-2” Y- Gl

9.0 MAINTENANCE INSTRUCTIONS (Continued) (9) Loosen the Stem Clamp Setscrews (221) and remove the Stem Clamp (029) and Stem Clamp Key (255).