CLA-VAL 50B-4KG1 Installation, Operation And Maintenance Manual
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CLA-VAL 50B-4KG1 Installation, Operation And Maintenance Manual

Pressure relief valve; hytrol valve; pressure relief control; flow clean strainer
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Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036
847-356-0566
50B-4KG1/2050B-4KG1

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Summary of Contents for CLA-VAL 50B-4KG1

  • Page 1 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 50B-4KG1/2050B-4KG1...
  • Page 2 ADDED TO CATALOG NUMBER "THIS DRAWING IS THE PROPERTY OF CLA-VAL CO. AND SAME AND COPIES MADE THEREOF, IF ANY, SHALL BE RETURNED TO IT UPON DEMAND. DELIVERY AND DISCLOSURE HEREOF ARE SOLELY UPON CONDITION THAT THE SAME SHALL NOT BE USED, COPIED OR REPRODUCED, NOR SHALL THE SUBJECT HEREOF BE DISCLOSED IN ANY MANNER TO ANYONE FOR ANY PURPOSE, EXCEPT AS HEREIN AUTHORIZED, WITHOUT PRIOR WRITTEN APPROVAL OF CLA-VAL CO. THIS...
  • Page 3 2. RELIEF VALVE (2) SHOULD BE TESTED AFTER INSTALLATION TO VERIFY SETTING. "THIS DRAWING IS THE PROPERTY OF CLA-VAL CO. AND SAME AND COPIES MADE THEREOF, IF ANY, SHALL BE RETURNED TO IT UPON DEMAND. DELIVERY AND DISCLOSURE HEREOF ARE SOLELY UPON CONDITION THAT THE SAME SHALL NOT BE USED, COPIED OR REPRODUCED, NOR SHALL THE SUBJECT HEREOF BE DISCLOSED IN ANY MANNER TO ANYONE FOR ANY PURPOSE, EXCEPT AS HEREIN AUTHORIZED, WITHOUT PRIOR WRITTEN APPROVAL OF CLA-VAL CO.

  • Page 4: Pressure Relief Valve

    MAINTENANCE as a surge control or pressure relief valve where valve outlet dis- 1. Cla-Val Valves and Controls require no lubrication or packing charge is to atmosphere, then a gate or block valve is needed at and a minimum of maintenance. However, a periodic inspection valve inlet.
  • Page 5 Pressure Gauge X46A Seat Screw 8" and Larger SEAT SEAT O-RING STUD 8" and Larger BODY PIPE PLUG (Globe Angle) For a more detailed IOM Manual go to www.cla-val.com or contact a Repair Parts Cla-Val Regional Sales Office. N-50B4KG1/2050B4KG1 (R-1/2013)
  • Page 6 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...
  • Page 7 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...

  • Page 8: Principles Of Operation

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

  • Page 9: Flow Direction

    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 10 (See “Maintenance” the valve should be fully open. Section for procedure.) 6. If the valve has a Cla-Val X101 Position Indicator, observe the Tight Sealing Check (#3) indicator to see that the valve opens wide. Mark the point of max- imum opening.
  • Page 11 Thread Size (UNF Internal) 1 1/4" —2 1/2" Preventative Maintenance 10—32 3"—4" 1/4—28 The Cla-Val Co. Model 100-01 Hytrol Valve requires no lubrication or 6"—14" 3/8—24 packing and a minimum of maintenance. However, a periodic inspec- 16" 1/2—20 tion schedule should be established to determine how the operating 3/4-16 conditions of the system are affecting the valve.

  • Page 12: Inspection Of Parts

    Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 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 13 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 INLET OUTLET TOP VIEW GLOBE PATTERN PARTS LIST Item Description Pipe Plug Drive Screws (for nameplate) Hex Nut (8” and larger) Stud (8” and larger) Cover Bearing Cover Stem Nut Diaphragm Washer Diaphragm Spacer Washers Disc Guide...
  • Page 14 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...
  • Page 15 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...
  • Page 16 (Please note that if the Model 50B-4KG1 is to be used on a continuous duty basis to maintain fire-system pressure, suitable back pressure must be provided on the valve to Check Valve prevent cavitation damage.

  • Page 17: Specifications

    This valve shall be UL Listed and Factory Mutual 300 X 150 - - - - - - approved. It shall be the Model 50B-4KG1 (globe) or Model 2050B- 4KG1 (angle) Pressure Relief Valve as manufactured by Cla-Val Newport 1318 Beach, California.

  • Page 19: Operation

    It may be used as a self-contained valve or age. Check all metal parts for damage, corrosion or excessive wear. as a pilot control for a Cla-Val Main valve. It opens and closes within REPAIR AND REPLACEMENT very close pressure limits.
  • Page 20 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 PARTS LIST 1/2" & 3/4" PRESSURE RELIEF CONTROL (Bronze Body with 303SS Trim) Body with PART TRUE LOCATION OF integral Seat SENSING SIZE SPRING CONNECTION NUMBER (TYP.) 45º 1/2” 0-75 PSI 7922201E 3.12 DIA.
  • Page 21 ADDED CRL-13, CRL-5A, CRA, CRA-10A, CHANGED SPRING RANGES TO MATCH CURRENT CONTROLS. *This drawing is the property of CLA-VAL and same and copies made thereof, if any, shall be returned to it upon demand. Delivery and disclosure hereof are made solely 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.
  • Page 22 When it is used for deposit to dissolve. This will remove most of the common types of deposits. with the Cla-Val Valve, it is threaded into the upstream body port Caution: use extreme care when handling acid. If the deposit is not removed provided for it on the side of the valve.
  • Page 23 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 PARTS LIST X44A Strainer and Orifice Assembly BRONZE BODY — DELRIN ORIFICE 3/8" x 3/8" X44A ORIFICE PLUG STOCK NO. ORIFICE DIA. PART # (ITEM 5) 71310-01F .031 94132-01 .046 -02E -03B .062 -03C...
  • Page 24 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 PARTS LIST 81-01 3/8" Check Valve ITEM DESCRIPTION Cover Screw (8 Required) Cover Spring Diaphragm Washer 2.50 Diaphragm Disc Retainer Assembly Body Plug (3/8 NPT) Body (Threaded) *Recommended Spare Parts 1.50 3/8 N.P.T.
  • Page 25 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 PARTS LIST 81-01 1/2" & 3/4 Check Valve ITEM DESCRIPTION Body Cover Diaphragm Guide Disc Disc Retainer Assembly Nut Hex 3/8 - 24UNF 28 Plug Pipe Hex NPT 3.12 DIA Screw, Fil HD 10 32UNF 2 x 2LG Spring Nameplate *Recommended Spare Parts...
  • Page 26 • ⁄ " and 4" Diameter Sizes • Isolation Valve Included The Cla-Val Model X141 Pressure Gauge Option consists of glycerin-filled pressure gauges with Cla-Val Logo installed with ⁄ ” CK2 Bronze Isolation Valves on main valve inlet and outlet. Gauges are waterproof, shock resistant, and fully enclosed with Stainless Steel case and Bronze wetted parts.
  • Page 27 For ordering repair kits, replacement parts, or for inquiries concerning valve operation it is important to properly iden- tify Cla-Val products already in service. Include all name- plate data with your inquiry. Pertinent product data includes valve function, size, material, pressure rating, end details, type of pilot controls used and control adjustment ranges.
  • Page 28 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 NOTES: CLA-VAL Represented By: Distributed By: M&M Control Service, Inc. Phone: 800-876-0036 Fax: 847-356-0747 Email: sales@mmcontrol.com E-50B-4KG1 P.I.D. (R-3/2011)

  • Page 29: Repair Kits

    Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 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 30 Distributed By: M&M Control Service, Inc. www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 Repair Kits for 100-02/100-21 Powertrol and 100-03/100-22 Powercheck Main Valves For: Powertrol and Powercheck Main Valves—125/150 Pressure Class Only Includes: Diaphragm, Disc (or Disc Assembly) and O-rings and full set of spare Spacer Washers. Kit Stock Number Valve Kit Stock Number...

This manual is also suitable for:

2050b-4kg1100-01CrlX44aX4681-01 ... Show all

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