I. Manufacturing Standards:National Building Standard Design Series 98S205

Section II: Material Selection:The main material is Q235A with surface anti-corrosion treatment.

Section 3: Application Scope:Fire-protection water supply systems suitable for multi-story and high-rise construction with increased pressure requirements, including fire hydrant water supply systems, automatic sprinkler fire extinguishing systems, and other types of fire-protection water supply systems.

IV. Product Introduction:This unit is composed of a diaphragm pressure vessel, booster pump, electrical control box, instruments, and pipeline accessories. The maximum working pressures of this equipment are 0.6MPA, 1.0MPA, and 1.6MPA respectively. The firewater storage capacities are over 150L, 300L, and 450L, with a constant pressure water volume exceeding 50L. When used for fire hydrant systems, the water flow rate per nozzle is 2.5L/S and 5L/S, and the filled water column length is 7M, 10M, and 13M. For automatic sprinkler systems, each nozzle has a flow rate of 1.0L/S and a pressure of 0.1MPA. This product is a配套 equipment for fire extinguishing projects, primarily serving to maintain the fire-fighting pressure in water extinguishing networks. In the event of a fire alarm, the water extinguishing equipment can immediately emit a full water column, providing over 30 seconds of initial fire fighting time for the alarm to activate the large fire pump. This ensures that the main fire pump is fully operational. Due to the device's ability to consistently maintain network pressure, there is no risk of air in the network, preventing the large fire pump from being choked and the network from vibrating.

Operating Principle:Fire-fighting booster and pressure-regulating equipment separates air and water with a diaphragm. Once inflated, it operates year-round. During operation, the pump's water chamber fills as the water pressure increases, compressing the air in the gas chamber. The pump stops at the set high pressure. When the water pressure drops, the gas in the chamber expands, the diaphragm contracts, and compresses the water chamber's outlet. When the pressure difference reaches the set low pressure, the补水泵 (water supply pump) starts, and this cycle repeats. Continuous water supply is controlled by an electrical pressure switch and an automatic control box.

V. Product Features:

1. Diaphragm tanks can be inflated once and used for a long time, effectively preventing water quality contamination.

2. Compact equipment footprint with cost savings; operates automatically.

3. Fault protection, automatic fault switching.

4. Can be networked with the control center (depending on design)

Section 6: Selection and Technical Requirements

YH(L) Fire Protection Dedicated Pressure Boosting and Stabilizing Water Supply Equipment (Vertical Diaphragm Tank) Performance Parameters Table

Technical Description:The design of the YH fire-fighting pressure booster equipment is determined based on the user's water supply pipeline, pressure and flow, actual water usage, building height, and other data. The volume of the regulator used on the equipment is estimated under the condition that the water flow from the tap meets the requirements. If the tap pipeline is very narrow and the flow cannot meet the water usage demand during peak periods, the volume of the regulator needs to be recalculated. The recommended formula is as follows:

V Volume = (Q Out - Q In) × Δt

Q_in = Maximum daily water peak自来水 inflow

Qmax = Daily peak water usage by customers

t=Duration of peak water usage period

Order Instructions:1. Please carefully read this manual before placing an order, clearly specifying the specifications, models, quantities, and packaging forms of the products. If design assistance is required from our company, please provide detailed parameters and indicate this.