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DeZurik APCO CRF-100C Instructions Manual

Rubber flapper swing check valves
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APCO 2-24" CRF-100C
RUBBER FLAPPER SWING
CHECK VALVES
D12046
Instruction
March 2025
DeZURIK, Inc. Sartell, Minnesota USA | Phone: 320-259-2000 |
DeZURIK.com
| info@dezurik.com

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Summary of Contents for DeZurik APCO CRF-100C

  • Page 1 APCO 2-24” CRF-100C RUBBER FLAPPER SWING CHECK VALVES D12046 Instruction March 2025 DeZURIK, Inc. Sartell, Minnesota USA | Phone: 320-259-2000 | DeZURIK.com | info@dezurik.com...
  • Page 2 Safety label(s) on the product indicate hazards that can cause injury or death. If a safety label becomes difficult to see or read, or if a label has been removed, please contact DeZURIK for replacement label(s). Personnel involved in the installation or maintenance of valves should be constantly alert to potential emission of pipeline material and take appropriate safety precautions.

  • Page 3: Table Of Contents

    DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves TABLE OF CONTENTS Description ................................4 Handling and Storage ............................4 Installation ................................4 Fusion Bonded Epoxy Coated Valves ........................4 CRF-100C Rubber Flapper Swing Check Valve ....................5 Maintenance ..............................5 Disassembly Procedure (CRF-100C): ......................

  • Page 4: Description

    Procedures. Installation The APCO CRF-100C Rubber Flapper Swing Check Valve may be installed in either horizontal or vertical position (with the flow upward). The embossed flow arrow on the valve body must be pointing in the direction of flow. Unless otherwise specified, the valves are shipped for horizontal installation.

  • Page 5: Crf-100C Rubber Flapper Swing Check Valve

    DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves CRF-100C Rubber Flapper Swing Check Valve Maintenance The CRF-100C Rubber Flapper Swing Check Valve does not require routine maintenance but should be included as part of the normal facility equipment inspections for any malfunction while under normal usage conditions.
  • Page 6 APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves Item No. Description Item No. Description Body Flapper Cover Data Plate Cover O-Ring Drive Screw Bolt (Short) Washer Bolt (Long) Body Pipe Plug Spring Figure 1: APCO CRF-100C, Rubber Flapper Swing Check Valve March 2025 Page 6 D12046...
  • Page 7 DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves Item No. Description Item No. Description Body Cover Jam Nut Cover O-Ring Lower Spring Guide Bolt (Short) Spring Housing Bolt (Long) Upper Spring Guide Body Pipe Plug Pivot Cover Pipe Plug...

  • Page 8: Crf-100C Spring Return Option (Sr)

    DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves CRF-100C Spring Return Option (SR) The CRF-100C with Spring Return (SR) option is designed to minimize or eliminate slam in high head applications where rapid flow reversal causes standard swing check valves to slam. Adding a spring return feature causes the disc to speed up or accelerate valve closure.

  • Page 9: Assembly Procedure (Sr)

    DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves 10. Remove Spring (A65). 11. Remove partially assembled Flapper (A10) from Body (A01) and inspect for cracks, tears, and wear on body/flapper seat surface. 12. Replace worn or damaged parts. a. If there is damage to Flapper (A10), remove Flapper Plug Bolts (A11), Nuts (A12) and Spring Bracket (A56) from Flapper (A10).

  • Page 10: Hold Open Device (Hod)

    DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves Hold Open Device (HOD) The CRF-100C can be equipped with a Hold Open Device (HOD). This device holds the rubber flapper away from the seat and holds the valve in the open position. The purpose of the HOD is to assist in back flushing operations.

  • Page 11: O-Ring Replacement (Hod)

    DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves O-Ring Replacement (HOD) Maintenance is required if an O-ring (B15) becomes damaged. Hold Open Device maintenance instructions are divided into two categories based on size, 2-4” and 6-24”. Pipeline pressure can cause injury or death. Relieve pipeline pressure before servicing.
  • Page 12 DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves Item No. Description Stem Stem Guide Set Screw Handle Bar O-Ring Figure 3: Hold Open Device Assembly (2-4”) March 2025 Page 12 D12046...
  • Page 13 DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves Item Item Description Description Lock Screw Buffer Bushing Handle Bar Hub Bolt Handle Bar Guide Stop Buffer Rod Housing Thrust Washer Buffer Rod Bolt Buffer Screw Housing Cover O-Ring Figure 4: Hold Open Device Assembly (6-24”)

  • Page 14: Position Indicator Option (Pi)

    DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves Position Indicator Option (PI) The Position Indicator option is mounted to the cover and identifies the position of the flapper. Maintenance (PI) Refer to Figure 5 for details and parts. Disassembly Procedure (PI) 1.
  • Page 15 DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves Item Item Description Description LOWER BODY SCREW UPPER BODY SPRING O-RING RIGHT LABEL INDICATOR ARM LEFT LABEL MOUNTING PLATE INDICATOR O-RING INDICATOR ARM EXTENSION Note: Replaceable wear parts are J03, J06, and J08.

  • Page 16: Proximity Switch (Sel30)

    DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves Proximity Switch (SEL30) CRF-100C valves that are equipped with a Position Indicator (PI) can also be equipped with a proximity switch. The proximity switch senses the position of the PI Indicator (J11) and can be set up to relay that position Installation Refer to Figure 6 for component identification.
  • Page 17 DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves Item Item Description Description SWITCH ASSEMBLY BRACKET L01A SWITCH SCREW L01B ADJUSTING NUT Figure 6: Proximity Switch Assembly March 2025 Page 17 D12046...

  • Page 18: Troubleshooting

    DeZURIK APCO 2-24” CRF-100C Rubber Flapper Swing Check Valves Troubleshooting Condition Possible Cause Corrective Action Cover leaks. Cover O-ring is damaged. Replace cover O-ring. Foreign matter caught between Fully open valve to remove Valve leaks excessively flapper and seat. object.

  • Page 19: Limited Warranty

    Metric fasteners should not be used with ASME Class 150/300 bolt holes and flange bolt patterns. If you use metric fasteners with ASME Class 150/300 bolt holes and flange bolt patterns, it may lead to product failure, injury, and loss of life. DeZURIK Inc. disclaims all liability associated with the use of metric fasteners with ASME Class 150/300 bolt holes and flange patterns, including but not limited to personal injury, loss of life, loss of product, production time, equipment, property damage, lost profits, consequential damages of any kind and environment damage and/or cleanup.