knife gates

Special knife gate

With extensive experience in the valve market, Montagnoli understands the needs of its customers. With this understanding, our team is prepared to help your company develop customized solutions for your specific processes, meeting the requirements of each application.

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Some of the projects developed specifically for the specific needs of our customers include:

  • Cutting of solid waste during knife closure
  • Resistance to the passage of sulfuric acid
  • Automatic cleaning of the knife channel
  • Interchangeable axial sealing rings for quick replacement
  • Adjustable tightening of the seals

Both the face-to-face dimensions and body fixing hole dimensions can be customized to meet the customer’s needs.

CONSTRUCTION MATERIALS:

For the Special Knife Gate Valve line, all construction materials and actuation methods can be customized according to customer requirements upon consultation. However, the following materials and actuations are already available for the Special Knife Gate Valve line:

BODY:

  • AISI 304 Stainless Steel (CF8)
  • AISI 316L Stainless Steel (CF3M)
  • Ductile Iron GGG50
  • Flex™ – Unique Technologie
  • Thermoplastic™ – Unique Technologie
  • Duplex Stainless Steel EN 1.4470
  • 254 SMO
  • Hastelloy
  • Hardox

KNIFE:

  • AISI 304 Stainless Steel (CF8)
  • AISI 316L Stainless Steel (CF3M)
  • AISI 904L Stainless Steel (CF2M)
  • Duplex Stainless Steel EN 1.4470
  • 254 SMO
  • Hastelloy
  • Hardox

ACTUATION:

The available actuation systems for the Stainless Steel Knife Gate Valves can be developed with either Rising Stem or Fixed Stem, and the following actuations are already available:

  • Manual
  • Manual with Gearbox
  • Pneumatic
  • Electric
  • Hydraulic
  • Engineered solutions

ACCESSORIES:

  • Limit switches: Electromechanical with reversible contacts (15A/250V AC), Inductive (15-30V DC), Capacitive (10-30V DC)
  • Solenoid Valves 3/2, 4/2, and 5/2 ways (24V DC)
  • Electropneumatic Positioner IEC 60529 IP65 (4-20mA DC)
  • Position locks (Lock in Place)
  • Purge ports
  • Extension rods
  • T-handle actuator head
  • Engineered solutions.
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