Custom Stainless Steel 304 316 Mini Ball Valve with Long Handle

Structural Highlights

1. Valve Body
   • Material: 304/316 stainless steel (304 for general use; 316 for marine/chemical environments).
   • Design: One-piece or two-piece construction with threaded (NPT/BSP) or barbed hose connections.
2. Butterfly Handle
   • Shape: Ergonomic wing-style handle for single-handed grip, enabling 90° rotation (open/close).
   • Torque: Low-force operation (≤3 N·m), suitable for gloves or limited dexterity.
   • Lockable: Optional locking pin or clip to prevent accidental adjustment.
3. Sealing System
   • Seat: PTFE (Teflon) or EPDM for leak-proof shutoff across temperatures (-20°C to 120°C).
   • Ball/Disc: Stainless steel with precision polishing to minimize friction and wear.
4. End Connections
   • Threaded: 1/8"–1/2" NPT/BSP for rigid piping.
   • Barbed/Hose Tail: Fits 4–12 mm ID hoses (secured by hose clamps).

Technical Specifications

Applications

• Laboratory & Medical: Fluid control in analytical instruments, gas lines, or medical devices.
• Food & Beverage: Sanitary lines for water, beer, or dairy (304/316L grade).
• Industrial: Pneumatic systems, small machinery, or cooling circuits.
• Home & Hobby: Aquariums, water filters, or DIY projects requiring compact, durable valves.

Terminology Variations

• Alternative Names:
  • Stainless Steel Wing-Handle Mini Ball Valve (if ball-type).
  • Mini Stainless Steel Butterfly Valve (if disc-type, though larger valves typically use this term).
  • Lever-Handle Mini Valve (generic term for any winged handle).

Manufacturer Examples

• Swagelok: Model SS-4MM (1/4" threaded, butterfly handle).
• Parker: Miniature stainless steel valves with ergonomic handles.
• Local Suppliers: Search for "stainless steel mini valve with wing handle" for cost-effective options.

For high-temperature or high-pressure use, verify seat material (e.g., PEEK for >120°C) and pressure ratings with the supplier. 

Key Features & Benefits

Material Options:

· Food-grade 304 stainless steel or high-grade 316 stainless steel

· Excellent corrosion and oxidation resistance

· Complies with international casting material standards (CF8, CF8M, 1.4308, 1.4408)

Connection Sizes:

·Available in 1/8" 1/4" 3/8", 1/2", 3/4", and 1" thread sizes

· BSPP, BSPT, NPT, DIN thread compatibility

Precision Engineering:

· Investment casting (lost-wax/silica sol process)

· CNC machining with ±0.005mm tolerance

· Smooth internal surfaces for hygienic flow

Highly Durable & Leak-Proof:

· 100% pressure & leakage tested

· Built to withstand medium temperatures and demanding use

·Mirror-polished surface for easy cleaning and aesthetics

OEM & Customization Support:

· Custom sizes, logo engraving, surface finish, packaging

· MOQ for customization starts from 100 pieces

· Full support from prototype to batch production

Key Features of Stainless Steel Mini Ball Valves

Compact & Space-Saving Design
Small footprint makes them ideal for tight installations (e.g., under sinks, in control panels, or on machinery).
Lightweight construction reduces strain on piping systems.

High-Quality Stainless Steel Construction
Made from 304/316L stainless steel, offering excellent resistance to corrosion, rust, and chemical attack.
Suitable for water, air, steam, oil, and mild chemicals (e.g., dilute acids, alkalis).

Full-Port or Reduced-Port Options
Full-port valves provide minimal flow restriction (straight-through design).
Reduced-port valves are more compact but slightly restrict flow.

Easy Operation
Manual lever handle for quick on/off control.
Some models support actuator mounting for automation (pneumatic/electric).

Leak-Proof Sealing
PTFE (Teflon) or RPTFE seats ensure tight shutoff even at low pressures.
Blowout-proof stem design prevents accidental disassembly under pressure.

Pressure & Temperature Ratings
Pressure: Up to PN63 (63 bar) / ANSI Class 800 (varies by model).
Temperature: -20°C to 180°C (depending on seal material).

End Connections
Threaded (NPT, BSPT, BSPP), socket weld (SW), or compression fittings.

Main Applications of Stainless Steel Mini Ball Valves
1. Residential & Commercial Plumbing
Water Supply Systems:
Controls cold/hot water flow in sinks, toilets, and water heaters.
HVAC & Refrigeration:
Used in small cooling lines, refrigerant circuits, and air conditioning units.
2. Pneumatic & Instrumentation Systems
Compressed Air Control:
Regulates airflow in pneumatic tools, actuators, and automation equipment.
Gas Sampling Lines:
Isolates instruments in analytical or laboratory setups.
3. Light Industrial Processes
Chemical Dosing Systems:
Controls the flow of additives in water treatment or food processing.
Steam & Condensate Lines:
Used in secondary steam circuits (e.g., heating systems, sterilization equipment).
4. Automotive & Marine Applications
Fuel & Fluid Management:
Installed in fuel lines, coolant circuits, or hydraulic systems.
Saltwater Resistance:
316L stainless steel prevents corrosion in marine environments.
5. DIY & Hobbyist Projects
Aquariums & Hydroponics:
Controls water flow in fish tanks or plant irrigation systems.
Home Brewing & Beverage Dispensing:
Regulates liquid flow in beer taps or soda machines 

Quality Assurance

Jarzoo ensures the highest quality standards:

100% visual & pressure testing before shipment

No burrs, perfect threads, and smooth casting surfaces

In-house chemical analysis of molten material before casting

Traceability: All test samples retained for 2 years 

About Jarzoo

Hebei Jarzoo Metal Products Co., Ltd. specializes in custom precision castings using advanced investment casting (silica sol/lost wax). With decades of experience since the 1990s and a complete production line including mold design, casting, machining, and surface treatment, we serve industries ranging from brewing and food processing to automotive and aerospace.

We support full OEM/ODM capabilities, fast sampling, and reliable international logistics from our well-located base near Beijing and Tianjin ports. 

Packaging & Delivery

Packaging: Secure carton or pallet packing

Delivery Time: Samples within 25 days; bulk order within 60 days

Shipping: Global delivery supported

Payment Terms:

Orders ≤ $1000: 100% advance

Orders ≥ $1000: 30% deposit, 70% before shipment