CLA-VAL 98-06 Gebrauchsanweisung
98-06/698-06
Setpoint High
Setpoint Low
Downstream
Pressure (P2)
Upstream
Pressure
(P1)
flow
Savings
P1
Upstream
Pressure
P2 (Q min.)
P2 (Q max.)
Modulating Profile
Downstream
Pressure
Q = Flow
Go to www.cla-val.com for Purchase Specification
Hydraulic Pressure Management/
Water Savings Valve with Dual Setpoints
Typical Performance
A dual system pressure with reduced system
pressure during low demand periods is illustrated in
the chart. At low flows, a minimum pressure is
maintained and as flow increases to the switch point,
delivery pressure increases to the maximum pressure
set point for switch. The point between low pressure
and high pressure setpoints is adjustable to fine-tune
the valve to system requirements. The “water saving
zone” below maximum pressure line represents valve
effectiveness in reducing water losses and frequency
of pipe breaks in a system.
Water Saving Zone for reduced leakage
and fewer pipe breaks
Flow
Pressure
Low Demand
High Demand
LP
HP
(Fire Flow,
Irrigation, etc.)
Water Saving Zone
•Simple means to achieve measurable water savings
•Helps reduce consumption
•100% hydraulic control
•Two adjustable downstream set points for high and
low pressure
•Smooth transition between set point pressures
•Simple set-up
•Retrofits to existing valve without removal from
pipeline
98-06 (2"-10")
(Full Internal Port)
698-06 (3"-12")
(Reduced Internal Port)
MODEL
The Cla-Val Model 98-06/698-06 Water Saving Valve is
a pressure reducing valve that uses two downstream
set points to achieve optimum system pressure; i.e. the
capability delivering only the pressure that is needed to
meet current demand.
A high pressure set point is selected for high flow
demand and a low pressure set point is selected for low
demand. This dual set point arrangement allows for
reduction in water consumption as well as unintentional
water loss by keeping system piping from being over-
pressurized during periods of low demand. It does this
without inhibiting adequate pressure during high or fire
demand. The design is 100% hydraulic and, in addition,
to the dual pressure set points, the transition point at
which the pressure changes based on the flow is also
adjustable. The patented design of the valve allows for
smooth transition from one set point to the other,
providing optimum performance and measurable water
savings by reducing consumption, minimizing leaks and
lessening the potential for pipe breaks.
How It Works
CLA-VAL
1701 Placentia Ave •Costa Mesa CA 92627 •Phone: 949-722-4800 •Fax: 949-548-5441 •E-mail: [email protected] •www.cla-val.com
Copyright Cla-Val 2015
•
Printed in USA
•
Specifications subject to change without notice.
©
Outlet Pressure Adjustment Range:
High Flow Pressure Setting:
15-75 psi Maximum
Low Flow Pressure Setting:
Up to 30 psi below high setting
Temperature Range
Water: to 180°F
Materials
Standard Pilot System Materials
Pilot Control: Bronze ASTM B62
Trim:Stainless Steel Type 303
Rubber: Buna-N®Synthetic Rubber
When Ordering, Please Specify
1. Catalog No. 98-06 or 698-06
2. Valve Size
3. Pattern - Globe or Angle
4. Pressure Class
5. Threaded or Flanged
6. Trim Material
7. Desired Options
8. When Vertically Installed
Pilot System Specifications
E-98-06 (R-07/2015)
Schematic Diagram
Item Description
1 Hytrol (Main Valve)
2 X43 “Y” Strainer
3 X58C Restriction Assembly
4 CPM-A Pressure Management Control
5 X78-4 Stem Assembly + X101 Valve
Position Indicator Assembly
6 CK2 (Isolation Valve)
7 X44A Strainer Orifice Assembly
8 X141 Gage Assembly
9 CV Speed Control
10 X58E Restriction Assembly
11 Accumulator (Air Charged)
Optional Features
Item Description
B CK2 (Isolation Valve)
C CV Flow Control (Closing)
P X141 Gage Assembly
S CV Flow Control (Opening)
Many factors should be considered in sizing pressure reducing valves including inlet pressure, outlet pressure and flow rates.
For sizing questions or cavitation analysis, consult Cla-Val with system details. Not Recommended for Dead-end Service
98-06/698-06
SCHEMATIC
98-06
Valve
Selection
100-01 Pattern: Globe (G), Angle (A), End Connections: Threaded (T), Grooved (GR), Flanged (F) Indicate Available Sizes
Inches 2 21⁄23 4 6 8 10
mm 50 65 80 100 150 200 250
Basic Valve
100-01
Pattern G, A G, A G, A G, A G, A G, A G, A
End Detail T, F,
Gr
T, F,
Gr*
T, F,
Gr
F,
Gr
F,
Gr*
F,
Gr* F
Suggested
Flow
(gpm)
Maximum 210 300 460 800 1800 3100 4900
Maximum
Intermittent 260 370 580 990 2250 3900 6150
Minimum 1224101535
Suggested
Flow
(Liters/Sec)
Maximum 13 19 29 50 113 195 309
Maximum
Intermittent 16 23 37 62 142 246 387
Minimum .06 .09 0.13 0.25 0.63 0.95 2.2
100-01 Series is the full internal port Hytrol. For Lower Flows Consult Factory *Globe Grooved Only
698-06
Valve
Selection
100-20 Pattern: Globe (G), Angle (A), End Connections: Flanged (F) Indicate Available Sizes
Inches 3 4 6 8 10 12
mm 80 100 150 200 250 300
Basic Valve
100-20
Pattern G G, A G, A G, A G G
End Detail FFFFFF
Suggested
Flow
(gpm)
Maximum 260 580 1025 2300 4100 6400
Minimum 1 2 4 10 15 35
Suggested
Flow
(Liters/Sec)
Maximum 16 37 65 145 258 403
Minimum .06 .13 .25 .63 .95 2.2
100-20 Series is the reduced internal port size version of the 100-01 Series. For Lower Flows Consult Factory
Dieses Handbuch passt für folgende Modelle
1
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