Manufacturer & Exporter of all types of Valves, Pipes, Fittings and Flanges, etc

Knife Gate valve

Design Features
  • Type: Manual knife gate valve with rising stem

  • Gate: Knife-edged for effective sealing and cutting through viscous/slurry media

  • Operation: Handwheel-operated (pneumatic or electric actuators optional)

  • Design: Unidirectional or bidirectional flow (depending on model)

  • Seat Type: Resilient seat (EPDM/NBR/PTFE) or metal-to-metal

  • End Connections: Lug type for dead-end service; Wafer type available

  • Bonnet Type: Bonnetless design for simplicity and cost-efficiency

  • Stem Protection: Gland packing with protective sleeves or dust covers

Cast Iron Knife Gate valve

Material of Construction
  • Body: Cast Iron (ASTM A126 Class B)

  • Gate (Disc): Stainless Steel (AISI 304/316)

  • Stem: Stainless Steel (AISI 410/420)

  • Seat/Seal: EPDM, NBR, PTFE, or Metal

  • Packing: PTFE or Graphite

  • Fasteners: Zinc-coated carbon steel or stainless steel

Size Range Available
  • Standard Sizes: 2” to 24” (DN50 to DN600)

  • Extended Sizes: Up to 48” (DN1200) on request

Pressure Rating
  • Pressure Class:

    • Typically PN10 or ANSI Class 150

  • Max Operating Pressure:

    • Up to 10 bar (145 psi) for smaller sizes

    • Pressure de-rates with increasing size

  • Temperature Range: -10°C to 120°C (with resilient seats)

Design Features
  • Type: Knife Gate Valve with rising stem and handwheel operation

  • Design: Lug or wafer-type mounting, compact and bonnetless

  • Flow Direction: Unidirectional or bidirectional (optional based on design)

  • Gate Type: Knife-edge gate for slicing through thick fluids or solids

  • Seat Options: Resilient (EPDM, NBR, PTFE) or metal-to-metal

  • Operation: Manual, pneumatic, or electric actuation possible

  • Dust Cover: Integrated for stem protection (visible in image)

Cast Steel Knife Gate Valve
Cast Steel Knife Gate Valve

Cast Steel Knife Gate valve

Material of Construction
  • Body: Cast Steel (ASTM A216 Grade WCB)

  • Gate (Disc): Stainless Steel (AISI 304 or 316)

  • Stem: Stainless Steel (AISI 410 or 420, optional 316)

  • Seat/Seal: EPDM, NBR, PTFE, or Metal seat (based on service condition)

  • Packing: PTFE or Graphite

  • Fasteners: Carbon Steel or Stainless Steel

Size Range Available
  • Standard Range: 2” to 24” (DN50 to DN600)

  • Larger sizes can be provided upon request for specific industrial requirements.

Pressure Rating
  • Pressure Class:

    • PN10, ANSI Class 150 (standard)

  • Maximum Pressure:

    • Up to 10 bar (145 psi) for smaller sizes

    • Pressure rating decreases with increase in valve size

  • Temperature Range:

    • -10°C to 425°C (depending on seat and packing material)

Stainless Steel Knife Gate valve

Design Features
  • Valve Type: Knife Gate Valve, rising stem with handwheel actuator

  • Mounting Style: Wafer-type (or optional lug type) for compact piping installations

  • Flow Control: Unidirectional or bidirectional design available

  • Gate: Precision-ground blade allows cutting through slurries or thick media

  • Seat Options: Metal-to-metal or resilient seats (PTFE, EPDM, Viton, etc.)

  • Dust Shield: Stem protector cover included for clean operation

  • Actuation Options: Manual (handwheel), pneumatic, or electric available

  • Low Torque Operation: Due to smooth stem-thread and guide system

  • Self-Cleaning Gate: Helps reduce clogging during operation in slurry or pulp lines

Size Range Available
  • Standard Sizes: 2” to 24” (DN50 to DN600)

  • Extended Sizes: Up to 48” (DN1200) available on request

  • Face-to-Face: As per MSS-SP-81 or customized standards

  • Larger sizes can be provided upon request for specific industrial requirements.

Pressure Rating
  • Standard Pressure Rating:

    • PN10 / ANSI 150 Class

  • Working Pressure:

    • Up to 10 bar (145 psi) for smaller sizes (2"–12")

    • De-rating for larger sizes depending on design

  • Temperature Range:

    • -20°C to 300°C (depending on seat and packing materials)

    • Suitable for steam, corrosive chemicals, and slurry media

Material of Construction
  • Body: Stainless Steel (SS 304 / SS 316 or equivalent grade)

  • Gate (Disc): Stainless Steel (SS 304 / SS 316, hardened edge optional)

  • Stem: Stainless Steel (SS 304 or 316)

  • Seat: PTFE, NBR, EPDM, Viton, or metal-to-metal

  • Packing: PTFE or graphite-based gland packing

  • Fasteners: Stainless Steel for corrosion resistance

  • Yoke & Bonnet: Stainless Steel (integral cast or welded type)