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Summary of Contents for CLA-VAL 790-01
- Page 1 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 790-01 Distributed By: M&M Control Service, INC. Phone: 800-876-0036 Fax: 847-356-0747 Email: Sales@mmcontrol.com...
- Page 2 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...
- Page 3 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...
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Page 4: Pressure Reducing Valve
Because the valve will not chatter or slam under low flow conditions, it is not necessary to parallel Cla-Val Model 790-01 with a second smaller size control valve to obtain accurate pressure control at low flow rates. In any size, Cla-Val Model 790-01 will control pressure right down to shutoff. -
Page 5: Optional Features
Chemin des Mesanges 1 Beamsville, Ontario CH-1032 Romanel/ Fax: 847-356-0747 Canada LOR 1B4 Lausanne, Switzerland Phone: 905-563-4963 Phone: 41-21-643-15-55 Email: Sales@mmcontrol.com Fax: 905-563-4040 Fax: 41-21-643-15-50 COPYRIGHT CLA-VAL 2001 Printed in USA © E-790-01 (R-7/02) www.cla-val.com Specifications subject to change without notice. -
Page 6: 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 7: Installation
Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 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-... - Page 8 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 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.
- Page 9 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 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.
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Page 10: Start-Up Instructions
800-876-0036 847-356-0566 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 TION AND DEPRESSURIZATION OF ALL... - Page 11 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 Recommended Pipe layout 6" - 12" Flange style 100-42 2 Pipe Coupling (Rubber Gasket Type) 1 100-42 Main Valve, Flange X Flange ®...
- Page 12 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 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 13 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 When ordering please specify: • All nameplate data • Description • Part Numbers • Item Number • Material Item Material Description Req'd (Standard) Body 316L Stainless Steel "L" Liner Natural Rubber Nameplate Aluminum Drive Screw...
- Page 14 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...
- Page 15 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...
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Page 16: Maintenance
DESCRIPTION Damaged diaphragm Disassemble and replace Leakage from The Cla-Val Model CRD Pressure Reducing Control automatically reduces cover vent hole a higher inlet pressure to a lower outlet pressure. It is a direct acting, spring Loose diaphragm nut Remove cover and tighten nut loaded, diaphragm type control that operates hydraulically or pneumatical- ly. -
Page 17: Parts List
Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 PARTS LIST Pressure Reducing Control Adjustment Range Size Stock (Inch) Number Ft. of Water 71943-03K 15 - 75 35 - 173 71943-04H 30 - 300 69 - 692 71943-07A 2 - 6.5 4.5 - 15 71943-08J 2 - 30... - Page 18 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...
- Page 19 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 PARTS LIST Strainer Standard 60 mesh pilot system strainer for fluid service. ITEM DESCRIPTION MATERIAL Pipe Plug Steel SIZE STOCK NUMBER Strainer Plug Brass 3/8 x 3/8 33450J Gasket Copper Screen Monel Body Brass...
- Page 20 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...
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Page 21: Operation
(400) wet or dry sandpaper can be used with water. Rinse parts in water before handling. An appropriate solvent can The Cla-Val Model CV Flow Control is a simply-designed, clean parts used in fueling service. Dry with compressed air spring-loaded check valve. Rate of flow is full flow in one direc- or a clean, lint-free cloth. - Page 22 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566 PARTS LIST 3/8" Flow Control ADJUSTING STEM (TURN CLOCKWISE TO INCREASE RESTRICTION) 2.12 STAMP PART NO. ON SMOOTH SURFACE RESTRICTED FLOW 3/8 - 18 NPT 1.84 When ordering parts, please specify: •...
- Page 23 Distributed By: M&M Control Service, Inc. http://www.mmcontrol.com/claval-index.php 800-876-0036 847-356-0566...
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Page 24: How To Order
This warranty shall not apply if the product has been altered or repaired by assume any additional liability or responsibility in connection with others, and Cla-Val. shall make no allowance or credit for such repairs or the product. The liability of Cla-Val is limited to material alterations unless authorized in writing by Cla-Val. -
Page 25: Repair Kits
Repair Kits ™ The Cla-Val 700 Series valve repair kit is the only recommended spare part. The valve series is highly reliable due to fewer parts to create problems. Valve repair kits are recommended over individual liner sales. Kits offer all essentials for easy installation to include: liner, lubricant, liner retainer hardware, and instructions.
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