Basic Information

1. Flow Control: The primary function of a PPR gate valve is to control the flow of fluids by opening and closing. It operates by moving the valve stem up and down.

2. Flow Rate Regulation: PPR gate valves are designed to regulate flow rate. The valve seat opening changes proportionally with the valve disc's movement, making them suitable for applications that require precise flow control.

3. Sealing Performance: PPR gate valves are designed with high-quality sealing materials and advanced sealing technology to ensure a leak-proof seal when closed.

4. Corrosion and High-Temperature Resistance: PPR material is known for its excellent corrosion resistance and high-temperature tolerance, allowing the valve to operate reliably in harsh environments.

Description

Specification

Application Field

• Industrial Pipeline Systems: Such as coal chemical, petrochemical, rubber, paper, and pharmaceutical industries.

• Residential Buildings: For water supply, heating, and air conditioning systems.

• High-Pressure Water Supply Systems: Suitable for high-pressure, large-diameter piping systems.

Hot Melting Guide

Q&A

1. What should be noted during the transportation of PP-R pipe materials?

When transporting pipes and fittings, handle them with care to avoid oil contamination and prevent severe impacts, contact with sharp objects, and actions such as throwing, dropping, rolling, or dragging.

2. What are the main inspection items for Poly PP-R pipe materials and fittings when they leave the factory?

The main inspection items include longitudinal retraction rate, notched bar impact test, hydrostatic test, and melt mass flow rate.

3. Can PP-R pipes be installed in the open (exposed)?

Polypropylene (PP-R) has active hydrogen atoms on its carbon atoms, which can absorb ultraviolet rays and undergo photo-oxidation when exposed to sunlight, leading to chain scission and premature aging. Therefore, PP-R pipes are not recommended for open installation. If open installation is necessary outdoors, protective measures should be taken to avoid exposure, such as adding a protective sleeve or wrapping a dark-colored protective layer around the pipes.

1. 4.What is the maximum deviation angle allowed during heat fusion connection?

The maximum deviation angle between the pipe and fitting during heat fusion connection should not exceed 5°.

1. 5.How to repair PP-R pipes?

PP-R pipes are constructed using heat fusion connections, which are safe and reliable. However, as PP-R pipes are plastic pipes, they are susceptible to damage from nails, drills, or other sharp objects. If such damage occurs, it is generally repaired using PP-R straight-through fittings or a repair device. If the customer is unable to resolve the issue, please contact the company's technical service personnel promptly.