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Constant pressure water supply device

Constant pressure water supply device

Product Details

Product introduction

LH-DB type constant pressure water supply and exhaust device is developed for automatic water supply and automatic voltage stabilization for central air-conditioning systems, domestic water supply systems of residents or public buildings. It consists of a pressure regulator tank, a pressure regulator pump, a control box, a chassis, a pressure sensing device, a pipeline, and a valve.

working principle

Stabilization: When the water body of the system expands, the expansion water is automatically filled into the pressure stabilizer tank; when the water body shrinks, the water in the pressure stabilizer tank is automatically replenished into the system pipeline to maintain a stable pressure.

Constant pressure: When the system pressure drops to a small value, the pressure-stabilizing pump starts to supply water to the system, and when the system pressure reaches a large value, it stops maintaining the system pressure within a safe range.

Pressure Relief: If the system pressure exceeds the limit value, the safety valve will automatically release the pressure.

Features

1. Good sealing performance, once inflated for long-term use

2.The installation site is not restricted by height

3. Flexible configuration, compact design, small footprint, easy installation

4. Isolated from the atmosphere to ensure that the water quality is not polluted

5.Can effectively eliminate most water hammer and pipeline noise

6. Fully automatic control, stable and reliable.

Selection parameters

Equipment model

Vertical regulator tank

Water supply Q (m³ / h)

Interface specifications

Equipment dimensions

Specification (mm)

Total volume
V (m³)

Effective volume
Vt (m³)

water intake

DN

Water inlet

DN

System pressure relief port

Long L
(mm)

Wide W
(mm)

High H
(mm)

LH-DB-SQL400

Φ400

0.1

0.04

1 ~ 2.4

25

40

G1 / 2

1000

750

1500

LH-DB-SQL600

Φ600

0.32

0.11

1 ~ 2.4

25

50

G1 / 2

1200

750

1800

LH-DB-SQL800

Φ800

0.79

0.26

1.6 ~ 4

32

65

G1 / 2

1400

820

2300

LH-DB-SQL1000

Φ1000

1.29

0.49

1.6 ~ 4

32

80

G1 / 2

1600

1020

2400

LH-DB-SQL1200

Φ1200

2.21

0.80

3 ~ 7

32

100

G1 / 2

1800

1220

2760

LH-DB-SQL1400

Φ1400

3.11

1.20

3 ~ 7

32

100

G1 / 2

2000

1420

2870

LH-DB-SQL1600

Φ1600

4.79

2.00

6 to 10

40

100

G1 / 2

2300

1620

3300

LH-DB-SQL1800

Φ1800

6.23

2.49

6 to 10

40

100

G1 / 2

2500

1820

3400

LH-DB-SQL2000

Φ2000

7.9

3.10

6 to 10

40

100

G1 / 2

2700

2020

3460

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