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Inflatable seal segment ball valve

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Inflatable Seal Spherical Valve

The Inflatable Seal Spherical Valve is a hygienic discharge solution designed for conical hoppers and vessels. Featuring a spherical outlet and an inflatable gasket seal, it ensures zero-friction, particle-free sealing and extended service life. Optional functions such as bottom drainage and gas purging make it ideal for powders, granules, liquids, and slurries in pharmaceutical, food, and biotech applications. Fully CIP-compatible and built to meet sanitary standards.

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Detailed Description

 

Inflatable Seal Spherical Valve – Optimized Solution for Hygienic Discharge from Cone-Bottom Vessels

The Inflatable Seal Spherical Valve is engineered for high-performance, hygienic discharge applications from conical hoppers or vessels. Its unique spherical outlet structure, combined with advanced inflatable sealing technology, ensures excellent containment, easy cleaning, and reliable material flow control. The valve is adaptable to various process conditions through optional configurations including bottom drainage, clean gas purge, and tool-free CIP support.

 

Key Features & Advantages:

 

  • Bottom Drainage Capability

Efficiently drains residual liquids from the vessel bottom during processing or cleaning. Optional mesh filter screens are available to meet different process needs.

  • Spherical Gas Purge System

Allows connection to clean gas lines for purging and drying residual or sticky materials near the discharge zone—ideal for preventing buildup and improving discharge consistency.

  • Inflatable Gasket Seal

Provides zero-friction, zero-particle-release sealing with exceptional tightness. This non-invasive sealing system reduces wear and ensures extended valve life, especially suitable for sterile and high-purity environments.

  • Fully Hygienic, CIP-Compatible Design

Constructed with sanitary-grade components and smooth internal surfaces to meet stringent hygienic standards. Supports CIP (Clean-in-Place) cleaning without disassembly, ensuring fast turnaround and minimal contamination risk.

  • Broad Media Compatibility

The valve is suitable for liquids, powders, granules, and slurries, making it a flexible and reliable choice for the pharmaceutical, biotech, food, and fine chemical industries.

 

Parameter

 

Technical Specifications

Standard Sizes: 3" – 12"

Valve Body Materials: SS304, SS316L, 2205, TA2

Sealing Materials: Fluoroelastomer, EPDM, Silicone Rubber

(All compliant with FDA 21CFR 177.2600 as standard)

Surface Finish:

  • Ra < 0.4 μm (wetted surfaces)
  • Ra < 0.8 μm (non-wetted surfaces)

Connection Types: Flange / Quick Clamp Installation

Working Pressure: -0.1 to +0.5 MPa

Operating Temperature: -20°C to +135°C

(depends on sealing material)

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