🏆 Largest Diaphragm Valve • 8″ – 10″

Type-G Flanged Diaphragm Valve

The largest of Asahi's diaphragm valves. Multiturn design with flanged end connections for maximum flow control in high-volume viscous and slurry applications. Engineered for extreme resistance to clogging.

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Type-G Diaphragm Valve

Size Comparison

Type-14

½″–4″

Type-15

5″–6″

Type-G

8″–10″

Key Features

🏭

Largest Size Available

Available exclusively in 8″ and 10″ sizes for maximum flow capacity in industrial-scale applications.

🔄

Multiturn Operation

Multiturn valve design provides precise control for throttling and flow regulation in large diameter lines.

🚫

High Clog Resistance

Exceptional resistance to clogging makes it ideal for viscous fluids and challenging slurry applications.

🔩

Flanged Construction

Flanged end connections for secure installation and easy integration into existing pipeline systems.

🔒

Bubble-Tight Sealing

Maintains bubble-tight seal even with suspended particles and demanding slurry conditions.

🛡️

Gas Barrier Technology

Three-layer EPDM/PVDF/PTFE diaphragm protects against aggressive off-gassing chemicals.

Technical Specifications

Sizes

  • 8″ (200mm)
  • 10″ (250mm)

Body Materials

  • PVC
  • PP (Polypropylene)
  • PVDF

Bonnet Materials

  • PVC
  • PP (Polypropylene)
  • PPG
  • PVDF

Diaphragms

  • EPDM
  • 3-Layer EPDM/PVDF/PTFE
  • Nitrile (available)

End Connection

  • Flanged only
  • Industrial standard flanges

Valve Type

  • Multiturn operation
  • Manual handwheel

Design Benefits

✓
Rugged Construction: Solid thermoplastic body and bonnet for maximum corrosion resistance
✓
Superior Weir Design: Excellent throttling characteristics for precise flow control
✓
Bubble-Tight Performance: Reliable sealing even with slurries and suspended particles
✓
Bonnet Protection: Seals protect internal components from corrosive environments
✓
Built-in Travel Stop: Prevents over-tightening and diaphragm damage
✓
Position Indicator: Top-mounted indicator for easy valve position confirmation
✓
PVDF Gas Barrier: Standard protection for EPDM backing on all PTFE diaphragm valves

Ideal Applications

Throttling
Slurry Lines
Chemical Processing
Bleach Plants
Aquariums
Mining
Water Treatment
Landfills
Swimming Pools
Semiconductor Manufacturing

🏭 Industrial-Scale Solutions Available

For 8″ – 10″ Type-G diaphragm valves, please contact our factory for custom configurations, engineering support, detailed specifications, lead times, and application-specific recommendations. Our experienced team specializes in large-scale industrial valve solutions.

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Contact us for additional information, technical support, and complete specifications for your large-scale projects

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