SS304 Stainless Steel Ball Valve DN15-DN300 PN16 PTFE Seal Flange Type for Water Treatment
Product Description
Overview
Our SS304 stainless steel ball valve is a high-performance quarter-turn valve engineered for water treatment systems, covering a wide size range from DN15 (1/2") to DN300 (12") with a nominal pressure of PN16 (1.6MPa). Constructed from corrosion-resistant 304 stainless steel (CF8) and fitted with PTFE (Teflon) soft seals, this valve delivers bubble-tight shutoff, exceptional durability, and reliable performance in potable water, wastewater, and general water processing applications. The flange-end design ensures easy installation and maintenance, while the floating ball structure minimizes pressure drop and enables full flow capacity.
Key Features
Premium Material: Body, ball, and stem made of SS304 (CF8) austenitic stainless steel, offering excellent resistance to rust, oxidation, and mild corrosion—ideal for water and light industrial media.
PTFE Sealing System: PTFE seat and stem seals provide ANSI/FCI Class VI bubble-tight shutoff, zero leakage, and compatibility with a wide temperature range (-20°C to 180°C). PTFE is chemically inert, non-toxic, and food-safe, perfect for potable water applications.
Full Port & Floating Ball Design: Full bore construction ensures maximum flow with minimal pressure drop; floating ball design relies on line pressure to maintain tight sealing, reducing torque and extending service life.
Wide Size & Pressure Range: Available in DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300; rated for PN16 (1.6MPa) working pressure.
Flange Connection: Standard DIN/EN 1092-1 or ASME B16.5 flanged ends for easy integration into water treatment pipelines; bolted body design allows for in-line maintenance.
Manual Operation: Equipped with a stainless steel lever handle for 90° quick on/off control; optional gearbox or ISO 5211 mounting pad for pneumatic/electric actuation.
Quality Assurance: Manufactured to API 608, ASME B16.34, GB/T 12237 standards; 100% hydrostatic shell and seat tested per EN 12266/API 598 to ensure leak-free performance.
Technical Specifications
Parameter
Details
Product Name
SS304 Stainless Steel Flange Ball Valve
Size Range
DN15 (1/2") – DN300 (12")
Nominal Pressure
PN16 (1.6MPa)
Body Material
SS304 (CF8) Stainless Steel
Ball Material
SS304 (CF8) Stainless Steel
Stem Material
SS304 (CF8) Stainless Steel
Seal/Seat Material
PTFE (Teflon)
Connection Type
Flange (DIN/EN 1092-1, ASME B16.5)
Structure
Floating Ball, Full Port
Operation
Manual Lever (Optional: Gear, Pneumatic/Electric Actuator)
Temperature Range
-20°C to 180°C
适用介质
Water, wastewater, potable water, mild chemicals
Standards
API 608, ASME B16.34, GB/T 12237, EN 12266
Application Cases
Municipal Water Supply & Pipeline ProjectOur SS304 PN16 stainless steel ball valves with PTFE seal are widely used in municipal tap water transmission and distribution pipelines. Excellent anti-rust and anti-corrosion performance ensures long-term stable operation in underground pipe networks, no water leakage, and meets drinking water hygiene standards.
Wastewater Treatment PlantSuitable for sewage collection pool, circulating water pipeline, sludge conveying and dosing system in wastewater treatment plants. PTFE sealing achieves zero leakage; SS304 material resists weak acid and alkali corrosion from sewage media, reducing later maintenance frequency.
Industrial Circulating Water SystemApplied to factory cooling water, recycling water and process water circulation pipelines in chemical, food, beverage, pharmaceutical and light industry fields. Full port design brings small flow resistance, smooth water circulation and energy-saving effect.
Reverse Osmosis & Water Purification SystemPerfect for RO reverse osmosis equipment, water purification plants, filtration and softening water systems. Stainless steel material is hygienic and pollution-free, PTFE seal is aging-resistant, ideal for long-term continuous working of water treatment equipment.
Building HVAC & Irrigation SystemUsed for central air conditioning water circulation, building water supply and garden farm irrigation projects. PN16 pressure rating adapts to conventional pipeline pressure; manual quick switch is easy to install and operate.
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