Series FK – Unidirectional Knife Gate Valve

Solids, Uni-directional Flow, Better seals than F Series

DESCRIPTION

  • One-piece cast body with guides to support gate and seat wedges.
  • Provides high flow rates with low pressure drop.
  • Various seat and packing materials available.
  • Face-to-face dimension in accordance with CMO Valves standard.
  • It has an arrow on the body indicating the flow direction.

GENERAL APPLICATIONS

This knife gate valve is suitable for working with dry products like powder and grain. It is generally used for gravity discharge of dry solids.

Designed for applications such as:

  • Mining
  • Silo Emptying
  • Electrical Power Stations
  • Chemical Plants
  • Food Industry
Series FK Uni-Directional / Knife Gate Valves
Series FK Handwheel Rising Stem
HANDWHEEL RISING STEM
Series FK Pneumatic Actuator
PNEUMATIC ACTUATOR
Series FK Electric Motor Actuator
ELECTRIC-MOTOR ACTUATOR
Series FK Hydraulic Actuator
HYDRAULIC ACTUATOR
Series FK Handwheel Gear Box
HANDWHEEL GEAR BOX
Series FK Handwheel Non-Rising Stem
HANDWHEEL NON-RISING STEM

Specifications

ANSI Flanges DIN Flanges Pressure (PSI) Actuator Types Knife Gate Material Valve Body Material
2 inch ANSI 50 mm 45 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
2.5 inch ANSI 65 mm 45 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
3 inch ANSI 80 mm 45 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
4 inch ANSI 100 mm 45 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
5 inch ANSI 125 mm 45 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
6 inch ANSI 150 mm 45 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
8 inch ANSI 200 mm 30 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
10 inch ANSI 250 mm 30 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
12 inch ANSI 300 mm 30 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
14 inch ANSI 350 mm 22 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
16 inch ANSI 400 mm 22 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
18 inch ANSI 450 mm 15 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
20 inch ANSI 500 mm 15 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
24 inch ANSI 600 mm 15 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
28 inch ANSI 700 mm 15 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
32 inch ANSI 800 mm 15 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
36 inch ANSI 900 mm 15 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
40 inch ANSI 1000 mm 15 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS
1200 mm 15 HAND, PNEU, ELEC, HYD SS Cast Iron, Cast SS

Seats Materials

Material Max (°F) Applications
Steel/Steel >482 High Temp/ Low water tight
EPDM 194 Mineral acids and oils
Nitrile 194 Hydrocarbons, oils and greases
Viton 392 Hydrocarbons and solvents
Silicone 392 Food Products
PTFE 482 Corrosion Resistant

Note: Other materials available upon request.

Blade Packing Materials

Material Psi Max (°F) pH
Greased Cotton 150 212 6-8
Dry Cotton 7.5 212 6-8
Cotton+PTFE 435 248 6-8
Synthetic+PTFE 1450 -328+518 0-14
Graphite 580 1202 0-14
Ceramic Fiber 4.5 2550 0-14