DN80 Ball Valve, Quick Open Close & Low Flow Resistance Industrial Isolation Valve
DN80 ball valve features fast switch & low flow resistance, flange/weld connection, ANSI & GB standard, applied in water treatment, petrochemical pipeline isolation.
Description
DN80 Ball Valve Product Introduction
The DN80 ball valve falls within the medium-bore category (N50–DN300), primarily designed for on‑off isolation and emergency flow shutoff in piping systems. Its quick‑action 90‑degree rotary mechanism enables rapid flow control, making it suitable for demanding service conditions. Built as a full‑port floating ball valve, it offers an unobstructed flow passage with minimal pressure drop, effectively reducing pumping energy consumption over long‑term continuous operation. Typical applications include water supply & drainage, petrochemical processing, and district heating networks.
Basic Technical Specifications
| Parameter | Value |
|---|---|
| Nominal diameter | DN80 (NPS 3″) |
| Pressure ratings | PN16/PN40, Class150/Class300 |
| Body materials | WCB carbon steel, CF8 (304), CF8M (316) stainless steel |
| End connections | RF flange, BW butt‑weld, NPT threaded |
| Design standards | API 608, ASME B16.34, ISO 17292 |
| Temperature range | –29°C to +200°C |
Material & Structural Features
The valve body is produced by forging, and the sealing system offers two options: PTFE soft‑seal (preferred for clean water or wastewater) and metal‑hard seal (recommended for high‑temperature hydrocarbon services). An ISO 5211 top mounting pad is provided as standard, allowing easy retrofit with pneumatic or electric actuators for automated operation—thus functioning as an actuator‑mount ball valve.
Typical Applications
This valve is widely deployed in municipal wastewater treatment, refinery cooling water circuits, HVAC networks, and oil/gas branch pipelines. One notable example is the Tampere Water Utility in Finland (Tampereen Vesi, Tekniikankatu 12, 33720 Tampere, Finland), which adopted DN80 ball valves extensively in its clean water transmission system. Thanks to the fast shutoff response and low flow resistance, the network achieves sectional isolation within seconds during maintenance interventions. Moreover, the full‑bore design significantly cuts pumping losses, contributing to an approximately 12% reduction in annual operational energy use.
Quality Assurance & Customization
Every unit undergoes factory hydrostatic and pneumatic leak tests, meeting the procurement specifications for overseas water treatment and chemical projects. Body materials and anti‑corrosion coatings can be tailored according to the corrosivity of the medium, ensuring long‑term reliability in diverse environments.