3 Inch Industrial Ball Valve | Factory Wholesale Competitive 3 inch valve price
Industrial 3 inch ball valve with multiple materials & flange ends, stable competitive 3 inch valve price for oil, water pipeline bulk orders.
Description
I. Basic Function of 3 Inch Flanged Ball Valve
The 3 inch ball valve – a DN80 medium‑bore valve within the DN50–DN300 standard piping range – employs a quarter‑turn spherical closure for rapid on/off switching with negligible flow resistance. It acts as the primary isolation unit in system piping, capable of fully shutting off media during equipment servicing or line segmentation, thereby protecting downstream pumps, instruments, and other critical components. This valve is a key switching element in large oil/gas and chemical pipelines.
II. Material and Connection Configuration
Body materials fall into two main categories: WCB carbon steel and 304/316 stainless steel. For ordinary water and gas services, the carbon steel ball valve is a cost‑effective choice; for corrosive media such as acids, alkalis, or seawater, the 316 stainless steel variant is recommended. Seals are PTFE soft‑seated as standard, with metal hard‑facing available for high‑temperature and high‑pressure conditions. The standard construction follows a 2 piece ball valve design, with ANSI flanged ends being the predominant connection, while butt‑weld and threaded customisations are also offered.
III. Core Specification Table – 3 Inch Ball Valve
| Parameter | Value |
|---|---|
| Nominal size | DN80 / 3 inch (NPS3) |
| Pressure ratings | Class150, Class300, PN16, PN40 |
| Temperature range | –29°C ~ 440°C |
| Body construction | 2 piece body design |
| Design standards | API 6D, ASME B16.34 |
| Actuation options | Manual, pneumatic, electric |
IV. Application Scenarios for 3 Inch Full Port Ball Valve
This full‑port 3‑inch valve ensures minimal pressure loss during flow. It is widely adopted in natural gas transmission, chemical production lines, power‑plant cooling water, HVAC mains, and large marine piping systems, perfectly matching the procurement needs of complete medium‑bore pipeline projects. Manufactured to European and American fluid industry standards, each unit undergoes both hydrostatic and pneumatic leak tests prior to delivery. Factory‑direct supply removes intermediary margins, and volume orders secure stable, cost‑effective 3 inch valve price levels.
V. Frequently Asked Questions for Overseas Buyers
Q1: What factors directly influence the 3″ ball valve price?
A1: Body material, pressure rating, connection type, actuator options, and order quantity all affect the final quote. Stainless steel and Class300 high‑pressure versions command a premium, while large project orders are eligible for tiered wholesale discounts.
Q2: Can the 3 inch flanged ball valve be ordered together with other valves of the same series, such as DN50 or DN100?
A2: Yes – we offer complete package deals for entire piping valve sets. Bundled orders will further reduce the 3 inch valve price. All products come with full API and CE export certification documentation.
