CLA-VAL 98-06 Manuel d'instructions

98-06/698-06

Setpoint High

Setpoint Low

Downstream

Pressure (P2)

Upstream

Pressure

(P1)

flow

Savings

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

(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

•

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,

T, F,

Gr*

T, F,

Gr*

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

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