SPX FLOW W71 Instruction Manual
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SPX FLOW W71 Instruction Manual

Schedule 5 mix proof valves
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INSTRUCTION MANUAL
W71 and W72RS Schedule 5 Mix Proof Valves
FORM NO.: 95-03091 REVISION: 08/2018
READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.

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  • Page 1 INSTRUCTION MANUAL W71 and W72RS Schedule 5 Mix Proof Valves FORM NO.: 95-03091 REVISION: 08/2018 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.
  • Page 2 All Rights Reserved. part of SPX FLOW, Inc.. No part of this manual may be reproduced or transmitted in any form or by any means, Tef-Flow is a trademark of SPX FLOW, Inc.

  • Page 3: Table Of Contents

    Valve Closed ......................20 Valve Closed, Upper Seat Lifted ................20 Valve Closed, Lower Seat Push (for W72RS Series Only) ........21 Valve Closed, Lower Seat Lift (for W71 Series valves only) ........21 Maintenance ......................22 Maintenance Intervals ......................22 Inspection ..........................
  • Page 4 Parts Lists ......................38 W71 Schedule 5 Mix Proof Seat Lift Valve ................38 W71 Schedule 5 Mix Proof Seat Lift Valve with External Flush ..........40 W71 Schedule 5 Mix Proof Non-Seat Lift Valve with External Flush ........42 W72RS Schedule 5 Mix Proof Seat Lift Valve ...............

  • Page 5: Warranty

    Warranty Warranty LIMITED WARRANTY: Unless otherwise negotiated at the time of sale, SPX FLOW US, LLC (SPX FLOW) goods, auxiliaries and parts thereof are warranted to the original purchaser against defective workmanship and material for a period of twelve (12) months from date of installation or eighteen (18) months from date of shipment from factory, whichever expires first.

  • Page 6: Safety

    READ AND UNDERSTAND THIS MANUAL PRIOR TO INSTALLING, OPERATING, OR SERVICING THIS EQUIPMENT SPX FLOW recommends users of our equipment and designs follow the latest Industrial Safety Standards. At a minimum, these should include the industrial safety requirements established by: 1.

  • Page 7: Care Of Component Materials

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Care of Materials Care of Component Materials NOTE: SPX FLOW recommends the use of an FDA-approved anti-seize compound on all threaded connections. WARNING Failure to comply with the Care of Component Materials could lead to bodily injury.

  • Page 8: Installation

    Installation Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Installation CAUTION When installing the valve, ensure that no foreign materials (e.g. tools, screws, welding wire, lubricants, cloths, etc.) are enclosed in the system. Location The valve must be in a vertical position to ensure that the vent/ drain outlet system functions properly.

  • Page 9: Fittings

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Installation Fittings When using suitable fittings, Mix Proof valves with detachable connections can be installed in a pipe system per the fitting requirements. The valve must be installed free of tension. After the valve is installed in the pipe system, attach the control air hoses and connect the electrical supply.

  • Page 10: Quality Of Control Air To Control Module

    Installation Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves 6. Connect the electrical control cord to the valve at location A (see Figure 4). NOTE: Control tops are available with strain relief cord grip for hard wiring or threaded pin connectors for quick disconnect.

  • Page 11: External Flush - Steam Vent Cavity

    Connect the supply line to the adapter connection with poly flow tubing (Figure 7). WARNING During CIP cleaning and valve opening (W71), fluid escapes from the drain port. Drain this off to prevent a possible hazard to per- sonnel. Regulate the flush supply (Figure 7, item A) for pressures of 30 VA100-496 psi minimum, 50 psi maximum.

  • Page 12: Installation

    Installation Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Installation WARNING Installation of a steam flush system on a W70 Series Mix Proof The W70 Series Mix Proof Valve valve should be done only by a licensed Steam Fitter.

  • Page 13: Introduction

    Double-Seat Mix Proof valves provide safe separation of dissimi- lar products within the same valve body. SPX FLOW offers sev- eral basic valve types in the W70 Series product line: •...

  • Page 14: Operating Parameters

    Introduction Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Operating Parameters Temperature Range: No special precautions are required for applications within a tem- perature range of 32°F to 180°F (0°C to 82°C). For applications above 190°F (88°C), clearances can be affected by excessive thermal expansion when the valve is installed in compact fabrications or manifolds.

  • Page 15: Seat Options

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Introduction Seat Options Material / Maximum Seat Type Temp. Operation: Tri Ring (TR) 275°F (135°C) Compression Seal: EPDM Sterile: Upper on W71/W72RS 275°F (135°C) Lower on W71 Operation: Radial: Lower on 375°F (190°C)

  • Page 16: Valve Dimensions

    37.6 6.00 5.90 5.90 15.81 50.0 6.00 7.73 6.85 18.45 41.0 6.00 6.66 6.85 17.50 52.1 6.00 8.77 7.74 20.52 49.4 6.00 7.91 7.91 21.90 PL5027-CH152 Figure 10 - W71 and W72RS Schedule 5 Valve Dimensions Page 16 95-03091 08/2018...

  • Page 17: Operation

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Operation Operation All functions of W70 Series Mix Proof valves are pneumatically controlled using a 75 min. to 90 max. psi (5.2 to 6.2 bar) clean air supply. The valve contains a large and small spring in the valve actuator.

  • Page 18: Automatic Fail-Safe System

    Additional Sensor: A third yoke-mounted proximity sensor is available for additional signal feedback. * W71 Valves: Seat lift during both upper and lower seat clean; indicator stem raises; W72RS Valves: Seat lift during upper seat clean; seat push during lower seat clean, indicator stem lowers.

  • Page 19: Test Procedures

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Operation Test Procedures Positive Fail-Safe Detection Test Perform a test to verify the fully closed fail-safe position. The valve stem feedback proximity sensors should be set for the fully opened and fully closed positions of the valve. See Figure 12 for port and corresponding chambers.

  • Page 20: Valve Operating Conditions

    Operation Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Valve Operating See Figure 11 on page 17 for port and corresponding chambers. Conditions Valve Open The valve is open when Chamber 1 is pressurized and Chambers 3 and 2 are vented. See Figure 13.

  • Page 21: Valve Closed, Lower Seat Push (For W72Rs Series Only)

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Operation Valve Closed, Lower Seat Push (for W72RS Series Only) Chamber 3 is pressurized, and Chambers 1 and 2 are vented. See Figure 16. For W72RS Series valves, the lower seat is pushed down for seat cleaning.

  • Page 22: Maintenance

    Maintenance Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Maintenance Maintenance Intervals Maintain adequate stock of replacement parts. See the items in bold beginning on page 38 for recommended spare parts. Maintenance intervals should be determined by the user and specific application, based on the following conditions: •...

  • Page 23: Inspection

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Maintenance Inspection Inspect the following on a regular basis: • Actuator connections for air leaks DANGER • Valve body and stem O-rings Do not put a hand into the yoke or body of a pneumatically-actuated valve.
  • Page 24 Maintenance Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Cleaning Procedure Mix Proof valves are designed to use a cleaning solution supplied by a CIP system. The vent outlet/cavity must be unobstructed to guarantee the leakage of fluid to atmosphere.

  • Page 25: Seat Cleaning Adjustment

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Maintenance Seat Cleaning Adjustment Seat lifting models are factory set. See Figure 18 and Figure 19. Scribe lines (item A) within the acid-etched adjustment zone (item B) provide a visual indication of the correct factory-set adjustment.

  • Page 26: W72Rs Lower Stem Measurement

    Maintenance Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves W72RS Lower Stem Measurement For the W72RS models, the location of the lower stem is more critical than the stem travel. Confirm the proper location of the lower stem by measuring the distance from the lower seal retainer to the lower shoulder of the stem (Figure 21, dimension "A") when the valve is static.

  • Page 27: Disassembly Of Valve Stems

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Maintenance Disassembly of Valve Disassembly of the valve stems is required for seat ring replacement. (For ”Reassembly of Valve Stems‚" turn to Stems page 37.) NOTE: (For seat lifting valves) Before disassembly, note the position of the upper and lower seat lifting adjustment nuts.

  • Page 28: Outer O-Ring Replacement

    Maintenance Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves NOTE: The bearing will be damaged 5. To install a new bearing, coil the bearing to a size smaller during removal and must be replaced than the inside diameter of the adapter and insert it into the with a new bearing.

  • Page 29: Radial Seat Ring Replacement (For W72Rs Lower Stem)

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Maintenance Radial Seat Ring 1. Remove the lower stem radial seal by carefully prying up and cutting the O-ring. Do not scratch or nick the metal seating Replacement (for W72RS surface.

  • Page 30: Tef Flow® P Seat Replacement With W71 Stems

    Maintenance Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves ® ® Upper Stem Tef Flow P Seat Removal Tef Flow P Seat Replacement with W71 ® W71 Upper Stem Tef Flow P Seat Removal Stems 1. With the upper stem in hand, take note of the orientation of ®...

  • Page 31: Upper Stem Tef Flow® P Seat Installation

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Maintenance ® Upper Stem Tef Flow P Seat Installation ® W71 Upper Stem Tef Flow P Seat Installation 1. Place the PTFE installation base (Figure 31, item 1; Figure 32, item B) over the stem, making sure that the chamfered side rests on top of the stem plug and the flat side of the base faces away from the stem plug.

  • Page 32: Lower Stem Tef Flow® P Seat Removal

    Maintenance Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves ® Lower Stem Tef Flow P Seat Removal ® W71 Lower Stem Tef Flow P Seat Removal 1. With the lower stem in hand, take note of the orientation of ®...

  • Page 33: Lower Stem Tef Flow® P Seat Installation

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Maintenance ® Lower Stem Tef Flow P Seat Installation ® W71 Lower Stem Tef Flow P Seat Installation 1. With the lower stem in hand, install the PTFE installation base (item 1) over the stem, positioning it so that the chamfered side of the base rests snugly on top of the lower stem plug.

  • Page 34: Lower Bearing Carrier O-Ring And Bearing Replacement

    Maintenance Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Lower Bearing Carrier O- 1. Remove and replace the O-ring(s) (Figure 35, item A) located inside the lower bearing carrier. For the flush/steam barrier ring and Bearing adapter, see Figure 6 on page 13.

  • Page 35: Actuator O-Ring And Bearing Replacement

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Maintenance Actuator O-ring and CAUTION Bearing Replacement The valve stems and actuator must be removed from the valve body before servicing the actuator components. CAUTION Although WCB fully-maintainable actuators are designed with a...

  • Page 36: Removal Of O-Rings And Bearings, Seat Lifting Actuators

    26, and 29) and replace them if they are worn or damaged. O-ring removal 6. Inspect the five bearings on W71 (Figure 37, items 5, 14, 15, Maintenance Video 18: Main piston 16, and 21) or four bearings on W72RS actuators (items 5, O-ring replacement with bearing 14, 15, and 16).

  • Page 37: Reassembly Of Valve Stems

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Maintenance Reassembly of Valve NOTE: Perform maintenance on stems and adapter bearings and O-rings while the stems are removed from the actuator and Stems before reassembly. Upper Stem Assembly ® 1. Apply Bostik Never-Seez White Food Grade with PTFE or equivalent to the threads of the upper stem.

  • Page 38: Parts Lists

    Parts Lists Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Parts Lists W71 Schedule 5 Mix Proof Seat Lift Valve 16b.2 16b.1 VA100-717 (Tef-Flow P Design) (17b) (20b) VA100-711 Page 38 95-03091 08/2018...
  • Page 39 Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Parts Lists W71 Schedule 5 Mix Proof Seat Lift Valve Item # Part Description 2" 3" 4" 6" Notes Control Top Contact Factory Actuator Assembly 124621+ 124614+ 123942+ 123997+ O-ring, Outer Stem (qty 2 req)

  • Page 40: W71 Schedule 5 Mix Proof Seat Lift Valve With External Flush

    Parts Lists Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves W71 Schedule 5 Mix Proof Seat Lift Valve with External Flush 16b.2 16b.1 VA100-717 (Tef-Flow P Design) VA100-644 (17b) (17c) VA100-643 (17d) VA100-645 (20b) VA100-712 Page 40 95-03091 08/2018...
  • Page 41 Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Parts Lists W71 Schedule 5 Mix Proof Seat Lift Valve with External Flush Item # Part Description 2" 3" 4" 6" Notes Control Top Contact Factory Actuator See actuator parts list...

  • Page 42: W71 Schedule 5 Mix Proof Non-Seat Lift Valve With External Flush

    Parts Lists Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves W71 Schedule 5 Mix Proof Non-Seat Lift Valve with External Flush 16b.2 16b.1 VA100-717 (Tef-Flow P Design) VA100-644 (17b) 21a, (17c) VA100-643 (17d) VA100-645 (20b) VA100-397B Page 42 95-03091...
  • Page 43 Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Parts Lists W71 Schedule 5 Mix Proof Non-Seat Lift Valve with External Flush Notes Item # Part Description 2" 3" 4" 6" Control Top Contact Factory Actuator See actuator parts lists...

  • Page 44: W72Rs Schedule 5 Mix Proof Seat Lift Valve

    Parts Lists Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves W72RS Schedule 5 Mix Proof Seat Lift Valve VA100-657 Page 44 95-03091 08/2018...
  • Page 45 Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Parts Lists W72RS Schedule 5 Mix Proof Seat Lift Valve Item # Part Description 2" 3" 4" 6" Notes Control Top Contact Factory Actuator See actuator parts lists O-ring, Outer Stem (qty 2 req.)

  • Page 46: W72Rs Schedule 5 Mix Proof Seat Lift Valve With External Flush

    Parts Lists Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves W72RS Schedule 5 Mix Proof Seat Lift Valve with External Flush VA100-654 Page 46 95-03091 08/2018...
  • Page 47 Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Parts Lists W72RS Schedule 5 Mix Proof Seat Lift Valve with External Flush Item # Part Description 2" 3" 4" 6" Notes Control Top Contact Factory Actuator See actuator parts lists O-ring, Outer Stem (qty 2 req.)

  • Page 48: W72Rs Schedule 5 Mix Proof Non-Seat Lift Valve With External Flush

    Parts Lists Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves W72RS Schedule 5 Mix Proof Non-Seat Lift Valve with External Flush VA100-656 Page 48 95-03091 08/2018...
  • Page 49 Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Parts Lists W72RS Schedule 5 Mix Proof Non-Seat Lift Valve with External Flush Item # Part Description 2" 3" 4" 6" Notes Control Top (Option not shown) Contact Factory Actuator See actuator parts lists...

  • Page 50: W71 Schedule 5 Mix Proof Seat Lift Valve Actuator

    Parts Lists Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves W71 Schedule 5 Mix Proof Seat Lift Valve Actuator 1, 1a VA100-714 Page 50 95-03091 08/2018...
  • Page 51 Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Parts Lists W71 Schedule 5 Mix Proof Seat Lift Valve Actuator Item # Part Description 6" Diameter 8" Diameter Notes Indicator Stem - Visual 107951+ Indicator Stem - Control Top 106004+...

  • Page 52: W71/W72Rs Schedule 5 Mix Proof Non-Seat Lift Valve Actuator

    Parts Lists Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves W71/W72RS Schedule 5 Mix Proof Non-Seat Lift Valve Actuator VA100-653 Page 52 95-03091 08/2018...
  • Page 53 Quick Exhaust (avail. upon request) 114680+ Elbow swivel 90° 78-157 PL5027-CH75 Notes: * Recommended Spare Parts 1. Installed when no control top is used. 2. Applies to Tef-Flow™ P design W71 Schedule 5 Non-Seat Lift Valve only. 08/2018 95-03091 Page 53...

  • Page 54: W72Rs Schedule 5 Mix Proof Seat Lift Valve Actuator

    Parts Lists Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves W72RS Schedule 5 Mix Proof Seat Lift Valve Actuator 1,1a VA100-655 Page 54 95-03091 08/2018...
  • Page 55 Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Parts Lists W72RS Schedule 5 Mix Proof Seat Lift Valve Actuator Item # Part Description 6" Diameter 6.6" Diameter Notes Indicator Stem - Visual Indicator Stem - Control Top 106004+ Cylinder...

  • Page 56: Mix Proof Valve Bodies For W71 And W72Rs Schedule 5 Valves

    Parts Lists Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Mix Proof Valve Bodies for W71 and W72RS Schedule 5 Valves W71 and W72RS One Piece Bodies VA100-436b Item # Part Description 2" 3" 4" 6" W71 One Piece Body...

  • Page 57: Installation Tools

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Installation Tools Installation Tools Item Used with Valve Model Tri Ring Tool (page 57) W71 / W72RS Radial Seal Insertion Collar Tool (page 57) W72RS Tef Flow® P Seat Installation/Removal Kits (starting on page 57) W71, Tef Flow®...
  • Page 58 Installation Tools Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves W71 Upper Stem Tef Flow® P Seat Installation Kit 132356+ Item Description Part No. Install Base Tool, Upper Stem Insert 131301+ Upper Stem Seat Install Tool (Aluminum) 131884+ Locator Pin (Aluminum) 131885+ 4* Stem Sleeve Plug Tool, 2"...
  • Page 59 Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Installation Tools ® W71 Upper Stem Tef Flow P Seat Installation Kit 132357+ Item Description Qty Part No. Install Base Tool, Lower Stem Insert 131302+ Upper Stem Seat Tool 131886+ Install Base Plug Tool, 2" ODT Valve...
  • Page 60 Installation Tools Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves ® W73 (Lower Stem) Tef Flow P Seat Insert Tools Description Part No. Seat Insert Tool, 1"/1.5" Valve 115654+ Seat Insert Tool, 2" Valve 115655+ Seat Insert Tool, 2.5" Valve 115656+ Seat Insert Tool, 3"...

  • Page 61: Troubleshooting

    Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Troubleshooting Troubleshooting PROBLEM POSSIBLE CAUSE SUGGESTED ACTION Leakage Leakage from vent/ Upper or lower seat ring failure. Remove valve. Replace seat rings. drain with valve closed. Debris trapped in upper seat or Inspect/change cleaning procedure to lower seat.
  • Page 62 Troubleshooting Waukesha Cherry-Burrell Brand W71/W72RS Sch. 5 Mix Proof Valves Notes Page 62 95-03091 08/2018...
  • Page 64 P: (262) 728-1900 or (800) 252-5200 F: (262) 728-4904 or (800) 252-5012 E: wcb@spxflow.com SPX FLOW, Inc. reserves the right to incorporate our latest design and material changes without notice or obligation. Design features, materials of construction and dimensional data, as described in this bulletin, are provided for your information only and should not be relied upon unless confirmed in writing.

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