CLA-VAL 750B-4KG1 Installation Operation & Maintenance
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CLA-VAL 750B-4KG1 Installation Operation & Maintenance

Automatic control valves
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750B-4KG1

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Summary of Contents for CLA-VAL 750B-4KG1

  • Page 1 750B-4KG1...
  • Page 4 Roll Seal Main Valve (100-42) as well as information about the fully piloted prod- uct (750B-4KG1 Fire Pump Relief Valve). 100-42 is the identifying nomenclature for the Main Valve. 750B-4KG1 is identifying nomenclature for the fully piloted Fire Pump Relief Valve Assembly. See Schematic Drawing No. 29868 for clarification of the com- ponent nomenclature and for a description of Valve Operation.

  • Page 5: Principle Of Operation

    100-42 SERIES 700 Series Roll Seal DESCRIPTION The Cla-Val Model 100-42 Roll Seal valve Upstream pressure actuates the valve to is a hydraulically operated valve used to produce valve opening by rolling the liner off control liquid flow by means of a flexible the seating surface and the slotted grillwork.

  • Page 6: Installation

    INSTALLATION The Cla-Val Model 100-42 Roll Seal The Model 100-42 valve in 6" through Locate pilot system port connections valve in 2", 3", and 4" sizes are 12" sizes are constructed with separa- at the top of valve in pipeline to allow designed to mount between standard ble "slip-on"...
  • Page 7 Liner Retainer Removal 2"-12" Sizes The 2" and 3" liner retainer is secured to the valve with an Allen screw. Loosen the Allen screw, pull the locking pin back towards center of retainer, and remove the retainer from valve. To install, insert the retainer, (do not block inlet feed hole), push locking pin into position and tighten Allen screw.
  • Page 8 Liner Installation 6", 8", 10", 12" sizes 1. Tools required: Bottle of drugstore glycerine, 30" crowbar, double headed plastic hammer with 14" handle, rubber mallet and large flat blade screwdriver. 2. Liberally wipe glycerine on the inside of the valve and on the outer edge of the liner. Fold liner in half and insert into valve body.

  • Page 9: Start-Up Instructions

    Important Procedure for All Installations: PLACING VALVE INTO OPERATION In most instances, the 700 Series Cla-Val IT IS IMPORTANT THAT THE PRESSURIZA- DEPRESSURIZATION OF THE SYS- Control valves will be shipped complete TEM SHOULD BE ACCOMPLISHED BY TION AND DEPRESSURIZATION OF ALL...
  • Page 10 2 1/2 Pipe Diameters Min Recomended Length Spool OUTLET Recommended Pipe layout 6" - 12" Flange style 100-42 2 Pipe Coupling (Rubber Gasket Type) 1 100-42 Main Valve, Flange X Flange...
  • Page 11 2 1/2 PIPE DIAMETERS MIN RECOMENDED LENGTH SPOOL INLET ® OUTLET ™ ® INLET OUTLET ™ Recommended Pipe layout 6" - 12" Grooved style 100-42 COUPLER FOR GROOVED PIPE SPOOL STRAINER ASSEMBLY (WITH CONE) 100-42 MAIN VALVE, GROOVE X FLANGE 100-42 MAIN VALVE, GROOVE X GROOVE...
  • Page 12 2-3" Wafer Style Valve 6"-12" Flanged Valve 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 2014 Printed in USA Specifications subject to change without notice.
  • Page 13 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 2011 Printed in USA Specifications subject to change without notice.

  • Page 14: Parts List

    Spring (Buna-N®, Diaphragm,Disc Assembly, O-rings) 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 2011 Printed in USA Specifications subject to change without notice. PL CRL5A (R-3/2011)

  • Page 15: Capacity Information

    Example: Determine the maximum flow rate capability of a 4" Cla-Val Roll Seal valve in fresh water service with an upstream pressure of 90 psi and downstream pressure of 77 psi. From table, a 4" Cla-Val 700 Series valve has a full open C factor of 128;...
  • Page 16 Specific Gravity Correction Table Specific Gravity 0.75 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 1.30 1.40 "G" Correction 1.15 1.12 1.08 1.05 1.03 1.00 0.98 0.95 0.93 0.91 0.88 0.85 Factor 1 To obtain flow capacity of a liquid other than water (specific gravity of 1.00), multiply water flow capacity obtained by the appropriate specific gravity correction factor.
  • Page 17 74894-03B Brass 1/8" (.125) 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 2011 Printed in USA Specifications subject to change without notice. pl-x58A (R-3/2011)
  • Page 18 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. BOTH ENDS Inlet Outlet When ordering 1.25 parts, please specify: 3/8 N.P.T.
  • Page 19 • 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 © Copyright Cla-Val 2011 Printed in USA Specifications subject to change without notice. PL-81-01 (R-3/2011)
  • Page 20 Brass No parts available. Rreplacement assembly only. 3/8 NPT 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 CLA-VAL © Copyright Cla-Val 2012 Printed in USA Specifications subject to change without notice.
  • Page 21 Also, we will not be liab le for any unauthorized product alter ations or charges accruing there from. 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 CLA-VAL copyright Cla-Val 2011 Printed in USA Specifications subject to change without notice.
  • Page 22 Cla-Val shall not be liable for any incidental or consequential 2. Cla-Val reserves the right to refuse the return of any products. loss, damage or expense arising directly or indirectly from 3. Products more than six (6) months old cannot be returned for cred- the use of the product.

  • Page 23: Repair Kits

    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 N-750B-4KG1 RSRK (R-11/99) ©copyright Cla-Val 2000 Printed in USA Specification subject to change without notice.

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