CLA-VAL 50B-4KG-1 Installation, Operation And Maintanance Manual
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CLA-VAL 50B-4KG-1 Installation, Operation And Maintanance Manual

Automatic control valves
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™
50B-4KG-1
Place this manual with personnel responsible
AUTOMATIC CONTROL VALVES
for maintenance of this valve.
INSTALLATION
OPERATION
MAINTENANCE
®
CLA-VAL • P.O. BOX 1325 • Newport Beach, CA 92659-0325 • (949) 722-4800
™
CLA-VAL CANADA LTD. • 4687 Christie Drive • Beamsville, Ontario, Canada LOR 1B4 • (905) 563-4363

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Summary of Contents for CLA-VAL 50B-4KG-1

  • Page 1 AUTOMATIC CONTROL VALVES for maintenance of this valve. INSTALLATION OPERATION MAINTENANCE ® CLA-VAL • P.O. BOX 1325 • Newport Beach, CA 92659-0325 • (949) 722-4800 ™ CLA-VAL CANADA LTD. • 4687 Christie Drive • Beamsville, Ontario, Canada LOR 1B4 • (905) 563-4363...

  • Page 4: Typical Application

    Fire Pump surging in the lines. (Please note that if the Model 50B-4KG-1 is to be used on a continuous duty basis to maintain fire-system pressure, suitable back pressure must be provided on the valve to prevent cavitation damage.

  • Page 5: Specifications

    300 x 150 pressure exceeds spring setting. This valve shall be UL Listed and Factory Mutual approved. It shall be the MODEL 50B-4KG-1 (globe) or Model 2050B-4KG-1 (angle) Pressure Relief Valve as manufactured by Cla-Val Newport Beach, California.

  • Page 7: Installation

    (usually atmosphere) the line pressure With the use of a Cla-Val Co. "modulat- chamber the valve closes drip-tight. (5 psi Min.) at the valve inlet opens the ing control," which reacts to line pres- valve.

  • Page 8: Troubleshooting

    When flow is “up-and-over the seat,” it is in “normal” flow and the valve will fail in the open position. When flow is “over- 2. Cla-Val Model X101 Valve Position Indicator. This pro- the seat-and down,” it is in “reverse” flow and the valve will fail in the closed position.
  • Page 9 Tight Sealing Check (#3) 6. If the valve has a Cla-Val Co. X101 Position Indicator, observe the indicator to see that the valve opens wide. Mark the point of 13. Test for seat leakage after completing checks #1 & #2 (Steps maximum opening.

  • Page 10: Preventative Maintenance

    VALVE STEM THREAD SIZE Valve Size Thread Size (UNF Internal) Preventative Maintenance 1 1/4" —2 1/2" 10—32 The Cla-Val Co. Model 100-01 Hytrol Valve requires no lubrication 3"—4" 1/4—28 or packing and a minimum of maintenance. However, a periodic 6"—14" 3/8—24 inspection schedule should be established to determine how the 16"...

  • Page 11: Inspection Of Parts

    Inspection of Parts Lime Deposits After the valve has been disassembled, each part should be One of the easiest ways to remove lime deposits from the valve examined carefully for signs of wear, corrosion, or any other stem or other metal parts is to dip them in a 5-percent muriatic abnormal condition.

  • Page 12: Top View

    ANGLE PATTERN 16" COVER DETAIL CLA-VAL P.O. Box 1325 • Newport Beach, CA 92659-0325 • Phone: 949-722-4800 • Fax: 949-548-5441 • E-mail: claval@cla-val.com • Website cla-val.com ©copyright Cla-Val 2000 Printed in USA Specification subject to change without notice. N-100-01 (R-5/00)
  • Page 14 ADDED CRL-13, CRL-5A, CRA, CRA-10A, CHANGED SPRING RANGES TO MATCH CURRENT CONTROLS. *This drawing is the property of CLA-VAL Co. and same and copies made therof, if any, shall be returned to it upon demand. Delivery and disclosure hereof are made soley upon condition that the same shall not be used, copied ore reproduced, nor shall the subject here of be disclosed in any manner to anyone for any purpose, except as herein authorized, without prior approval of CLA-VAL Co.

  • Page 15: Parts List

    • Item Number • Material CLA-VAL P.O. Box 1325 • Newport Beach, CA 92659-0325 • Phone: 949-722-4800 • Fax: 949-548-5441 • E-mail: claval@cla-val.com • Website cla-val.com PL-81-01 3/8" (R-6/00) ©copyright Cla-Val 2000 Printed in USA Specification subject to change without notice.
  • Page 16 "O" Ring, Strainer Plug Syn. Rub. CLA-VAL P.O. Box 1325 • Newport Beach, CA 92659-0325 • Phone: 949-722-4800 • Fax: 949-548-5441 • E-mail: claval@cla-val.com • Website cla-val.com P-X44A (R-6/00) ©copyright Cla-Val 2000 Printed in USA Specification subject to change without notice.

  • Page 17: Pressure Gauge

    P/N 9028433C CLA-VAL P.O. Box 1325 • Newport Beach, CA 92659-0325 • Phone: 949-722-4800 • Fax: 949-548-5441 • E-mail: claval@cla-val.com • Website cla-val.com ©copyright Cla-Val 2000 Printed in USA Specification subject to change without notice. N-PRESSURE GAUGE (R-10/99)
  • Page 20 This warranty shall not apply if the product has been altered or accepted are subject to adjustment to the Seller’s price in effect at repaired by others, and Cla-Val. shall make no allowance or the time of shipment. Prices do not include sales, excise, munici- pal, state or any other Government taxes.
  • Page 21 Cla-Val., 1701 Placentia Avenue, Costa Mesa, California 92627- 4475. CLA-VAL P.O. Box 1325 • Newport Beach, CA 92659-0325 • Phone: 949-722-4800 • Fax: 949-548-5441 • E-mail: claval@cla-val.com • Website cla-val.com ©copyright Cla-Val 2000 Printed in USA Specification subject to change without notice. N-50B-4KG1 P.I.D. (R-11/99)

  • Page 22: Repair Kits

    INSTALLATION / OPERATION / MAINTENANCE ® REPAIR KITS MODEL ™ Complete Replacement Diaphragm Assemblies for 100-01 and 100-20 Hytrol Main Valves For: Hytrol Main Valves with Ductile Iron, Bronze Trim Materials—125/150 Pressure Class Only. Factory Assembled Includes: Stem, Disc Guide, Disc, Disc Retainer, Spacer Washers, Diaphragm, Diaphragm Washer and Stem Nut.
  • Page 23 When ordering, please give complete nameplate data of the valve and/or control being repaired. MINIMUM ORDER CHARGE APPLIES. CLA-VAL P.O. Box 1325 • Newport Beach, CA 92659-0325 • Phone: 949-722-4800 • Fax: 949-548-5441 • E-mail: claval@cla-val.com • Website cla-val.com ©copyright Cla-Val 2000 Printed in USA Specification subject to change without notice. N-RK (R-6/00)

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