INSTRUCTION MANUAL Anchor Darling 1878 Piston Check Valves Sizes 1/2” through 2” FCD ADENIM0005-00 Installation

1878 Piston Check Valves FCD ADENIM0005-00 10 9.0 Maintenance Instructions (Continued) 9.3.3 Resilient Seat Assembly (if so equipped)

1878 Piston Check Valves FCD ADENIM0005-00 11 10.0 Storage Requirements The valves have been shipped in the partially open position. Upon re

1878 Piston Check Valves FCD ADENIM0005-00 12 SECTION 11.0 REFERENCE DRAWINGS

1878 Piston Check Valves FCD ADENIM0005-00 13 SECTION 12.0 CUSTOMER CERTIFIED ASSEMBLY DRAWING(S)

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1878 Piston Check Valves FCD ADENIM0005-00 15

1878 Piston Check Valves FCD ADENIM0005-00 16

United States Flowserve Corporation Flow Control Division 1900 S. Saunders Street Raleigh, NC 27603 Phone: (919) 832-0525 Fax: (919) 831-3369 Flow

1878 Piston Check Valves FCD ADENIM0005-00 2 Table of Contents 1.0 Physical Description and Operation of Equipment 2.0 Design Conditio

1878 Piston Check Valves FCD ADENIM0005-00 3 Revision Sheet Revision Date Changes Description - 2/15/99 Original Issue

1878 Piston Check Valves FCD ADENIM0005-00 4 1.0 Physical Description And Operation Of Equipment 1.1 Piston Check Valves (Figures 1 & 2 - S

1878 Piston Check Valves FCD ADENIM0005-00 5 4.0 Test Conditions (Continued) 4.2 Each valve, supplied with resilient seated discs, received th

1878 Piston Check Valves FCD ADENIM0005-00 6 6.2 Installation (Continued) 6.2.3 Extreme caution should be taken when installing che

1878 Piston Check Valves FCD ADENIM0005-00 7 7.0 Maintenance Requirements (Continued) - 1½" and 2" Reduced Port Piston Check Va

1878 Piston Check Valves FCD ADENIM0005-00 8 9.0 Maintenance Instructions (Continued) Pulling of the capscrew (216) will remove the bonnet

1878 Piston Check Valves FCD ADENIM0005-00 9 9.0 Maintenance Instructions (Continued) 9.2 Refinishing Sealing Surfaces Minor discontinui