Series A – Unidirectional Wafer Knife Gate Valve

Liquids low in solids, Uni-directional Flow, <145 PSI Pressure

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 standard.

GENERAL APPLICATIONS

  • Paper Industry
  • Mining
  • Silo emptying
  • Chemical plants
  • Pumping
  • Food Industry
  • Sewage treatment

Yes, Series A Valves are pressure tight on both sides up to 145 PSI.

Series A valves are available with handwheel rising and non-rising stem, pneumatic, hydraulic, handwheel gear box, and electric drives.

Typically temperatures up to 538° C (1,000° F) pose no issue. If you have a higher temperature application, call or email us so we can learn more about your application.

Series A - Unidirectional Wafer Knife Gate Valve
HANDWHEEL RISING STEM
HANDWHEEL RISING STEM
PNEUMATIC ACTUATOR
PNEUMATIC ACTUATOR
ELECTRIC-MOTOR ACTUATOR
ELECTRIC-MOTOR ACTUATOR
HANDWHEEL GEAR BOX
HANDWHEEL GEAR BOX
HYDRAULIC ACTUATOR
HYDRAULIC ACTUATOR

Specifications

3 inch ANSI 80 mm 150 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
4 inch ANSI 100 mm 150 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
5 inch ANSI 125 mm 150 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
6 inch ANSI 150 mm 150 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
8 inch ANSI 200 mm 120 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
10 inch ANSI 250 mm 90 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
12 inch ANSI 300 mm 90 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
14 inch ANSI 350 mm 75 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
16 inch ANSI 400 mm 75 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
18 inch ANSI 450 mm 45 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
20 inch ANSI 500 mm 45 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
24 inch ANSI 600 mm 45 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
28 inch ANSI 700 mm 30 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
30 inch ANSI 750 mm 30 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
32 inch ANSI 800 mm 30 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
36 inch ANSI 900 mm 30 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS
40 inch ANSI 1000 mm 30 HAND, PNEU, ELEC, HYD MS, 316 SS Cast Iron, Cast SS

Seats Materials

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

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

Note: Other materials available upon request.