螺纹式低阻力倒流防止器

首页

产品

螺纹式低阻力倒流防止器

Type：DH12X，DH22X

Subtitle：Reduced Pressure Principle Device (RPZD)

The Threaded Low Resistance Backflow Preventer is a high-efficiency device designed to protect potable water systems from backflow contamination while minimizing pressure loss. Featuring threaded connections (NPT) and a low-resistance design, this preventer is ideal for residential, commercial, and light industrial applications where maintaining water pressure and flow efficiency is critical. Constructed from lead-free materials and compliant with NSF/ANSI 372 and ASSE 1015 standards, this backflow preventer ensures safe and reliable operation in potable water systems. Its compact design and threaded connections make it easy to install in tight spaces, while its optimized internal geometry reduces energy consumption by minimizing...

类别：倒流防止器

工作条件建筑施工, 污水处理厂, 水厂

产品概览

Constructed from lead-free materials and compliant with NSF/ANSI 372 and ASSE 1015 standards, this backflow preventer ensures safe and reliable operation in potable water systems. Its compact design and threaded connections make it easy to install in tight spaces, while its optimized internal geometry reduces energy consumption by minimizing pressure drop.

主要功能

低电阻设计Optimized flow path ensures minimal pressure drop, maintaining system efficiency.Ideal for pressure-sensitive applications such as high-rise buildings and long pipelines.

Threaded Connections:NPT threads for easy integration into existing piping systems.Compact design saves space and simplifies installation.

Dual Check Valve System:Two independent check valves provide redundant protection against backflow.Test cocks for easy field testing and maintenance.

Lead-Free Construction:Compliant with NSF/ANSI 372 and Safe Drinking Water Act (SDWA) requirements.Resists corrosion and ensures long-term durability in potable water systems.

Compact & Lightweight:Space-saving design ideal for residential and commercial installations.

运行优势

Energy Efficiency: Low pressure drop reduces pump energy consumption.

Reliable Protection: Dual check valves ensure fail-safe backflow prevention.

易于维护： Test cocks allow for quick field testing without disassembly.

Corrosion Resistance: Lead-free construction ensures longevity in potable water systems.

Comparison with Traditional Backflow Preventers

特点	Threaded Low Resistance Backflow Preventer	Traditional Backflow Preventer
Pressure Drop	Minimal (optimized for low resistance)	Higher (due to complex internal design)
安装	Compact, threaded connections for easy install	Bulkier, requires more space
应用	Ideal for pressure-sensitive systems	Suitable for high-hazard applications
能源效率	High (reduced pressure loss)	Lower (higher pressure loss)

中型

Sewage, 水

工作条件

建筑施工, 污水处理厂, 水厂

总结

The Threaded Low Resistance Backflow Preventer is a high-performance solution for potable water systems where maintaining pressure and flow efficiency is critical. Its low-resistance design, threaded connections, and lead-free materials make it a reliable and cost-effective choice for residential, commercial, and irrigation applications. By combining energy efficiency with durable performance, this backflow preventer ensures long-term system reliability and water safety.

产品参数

尺寸范围	½" to 2" (DN15 to DN50)
压力等级	PN6-PN16，150 LB(10.3 bar) maximum working pressure
温度范围	(-29°C to 80°C)
机身材料	Lead-Free Copper Alloy (C84400 or equivalent)
座椅材料	EPDM or NBR (FDA compliant for potable water)
末端连接	Threaded (NPT)
流向	Horizontal or Vertical (Flow Upwards)