CLA-VAL 90G-21 - Schematics and Component Identification; 90-21 UL Schematic Overview; Hytrol Main Valve Components; CRD Control Components

X58C (2)
X46A (4)
1
4
OUTLETINLET
3
2
D1
P2
P1
D2
*SUGGESTED
REPAIR PARTS
For a more detailed IOM Manual go to www.cla-val.com or contact a Cla-Val Regional Sales Office.
CLA-VAL
Copyright Cla-Val 2019 Printed in USA Specifications subject to change without notice.
1701 Placentia Ave • Costa Mesa CA 92627 Phone: 949-722-4800 • Fax: 949-548-5441 • E-mail: info@cla-val.com • www.cla-val.com
©
N-90-21 UL (R-10/2019)
90-21 UL SCHEMATIC
CRD (3)
C
OVER
PIPE PLUG
COVER BEARING
SPRING
STEM NUT
DIAPHRAGM WASHER
DISC RETAINER
BODY
*SPACER WASHERS
DISC GUIDE
SEAT
PIPE PLUG
STEM
SEAT O-RING
STUD
8" and Larger
*DIAPHRAGM
*DISC
*Repair Parts
Seat Screw
8" and Larger
(Globe or Angle)
PIPE PLUG
HEX NUT
8
" and Larger
C
over Bolt
6" and Smaller
FLAT WASHER
FLAT WASHER
HYTROL MAIN VALVE (1)
inlet
Cover vent
(3/8" NPT)
Cap
Adjusting Screw
Jam Nut
Cover
Spring
Hex Nut
Belleville Washer
Diaphragm Washer
Diaphragm*
Yoke
Body and Seat Assy
Disc Retainer Assy
Gasket*
Plug, Body
*Machine Screw
(Fil.Hd) 8 Req’d
Spring Guide
Pressure Setting
A
djusting Screw
(Turn Clockwise to
I
ncrease Setting)
Tube Connector
(NPT)
Restriction
Plug
Orifice
Minimum Recommended Flow When Setting Pressure
Valve Size (inch)
1-1/2
2
2-1/2
3
4
6
8
10
12
16
26
37
57
100
220
390
620
880
Min. Flow (GPM)
X
140-1
Security Cap
Option
BASICCOMPONENTS
1
100-01 Hytrol (Main Valve)
2 X58C Restriction Fitting
3 CRD Pressure Reducing Control
4
X46A Flow Clean Strainer
OPTIONALFEATURES
P
X141 Pressure Gauge
D CDC Check Valve
P1 & P2
X58C (2)
Valve Size Orifice Dia.
1-1/2" - 3" .094"
4" - 8" .125"
10" .156"
12" .188"