4″ Pinch Valve

The 4″ (DN100) Pinch Valve suits medium-flow industrial piping systems, controlling fluid passage by precisely compressing an internal sleeve with external force. This valve size balances flow capacity with installation flexibility, making it a common choice for various industrial scenarios.

Valve bodies are available in gray cast iron (basic corrosion resistance), ductile iron (enhanced mechanical strength), or stainless steel (chemical corrosion resistance). Sleeve materials include wear-resistant natural rubber, ozone-resistant EPDM, oil-resistant neoprene, and food-grade rubber, meeting compatibility requirements with different media.

• Connection Methods: Flanged connections (ANSI 150#/DIN PN16 standards), wafer-style installation

The rated pressure range spans 0.6-16 bar, meeting most industrial pipeline requirements. Special configurations can handle both positive and negative pressure conditions.

• Straight-through flow path maintains stable fluid transfer with pressure loss comparable to straight pipes
• Even sleeve contraction during closure creates bidirectional bubble-tight sealing
• Cavity-free design prevents particle accumulation, reducing clogging risks

• Bore Size: 4 inches (DN100)
• Temperature Range: -30℃ to +110℃ (depending on sleeve material)
• Suitable Media: Slurries with solids content up to 70%, powders, acid-base solutions
• Actuator Options: Manual/pneumatic/electric, compatible with 4-20mA control signals

4″ Pinch Valve sees widespread use in mineral processing transport, cement raw meal blending, and industrial wastewater treatment. Selection should consider sleeve material based on media abrasiveness and determine actuation method according to operational frequency. For high-cycle applications, reinforced sleeves paired with rapid-response pneumatic actuators are recommended.

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