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H Series Specifications & Drawings

Specifications

Maximum Material Temperature

1800° F

Maximum Differential Pressure

40 psi (above & below the valve)

Inlet / Outlet Sizes

6, 8, 10, 12, 16, 18, 24

Capacity 

60 Cubic Feet / Hour - 4500 Cubic Feet / Hour

Operators

Pneumatic
Rotary Actuator
Electrical
Hydraulic
Gravity

Valve Body Materials

Cast Iron
Ni-Resist
Cast Steel
Stainless Steel

Seat & Flapper Materials

Ni-Hard
Plattalloy 650
Ni-Resist
Hi-Chrome 
Stainless Steel

Seat & Flapper Design

Classic
Knife Edge

Shaft Seals

Standard Graphite Packing
Lantern Rings
Injectable
Mechanical (patented)

Capacity Chart / H-Series

Size

Height (inches)

Cubic Feet / Hour

6"

29.563

60 cfh

8"

32.063

90 cfh

10"

36.063

150 cfh

12"

44.063

300 cfh

16"

60.125

405 cfh

18"

66.125

540 cfh

24"

88.125

1440 cfh

The 6” - 12” capacities are based on standard 6x per minute cycle. For 16” and larger valves, the cycle is 4x per minute. A spool piece or dutchman can be added to increase capacity. Click here for our complete Capacity Chart.

Drawings

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H-Series Main PageProduct SheetPlattco’s Mechanical Seal

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LEARN MORE about the benefits of switching from rotary valves to Plattco Double Flap Airlock Valves.

H-Series

Premiere Flap Valves

Ideal for dry material handling with successful applications in industries around the world. The robust design of the H-Series is the perfect selection for large volume, large particle sizes, and the most demanding conditions. Rated for up to 40 PSI (2.75 Bar) and temperatures up to 1800F/980C.

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R-Series

Radial Valves

Same features of the H-Series with an air tight radial (round) opening with round internal mating components (seat/flapper).  This valve received its name based on its round (radial) opening. Rated for up to 40 PSI (2.75 Bar) and temperatures up to 1800F/980C.

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S8-Series

Low Profile Valves

Same rugged design as our famous H-Series Flap Valve at roughly half the height for applications when headroom is restricted. This valve is named for its “S”horter profile than our original H-Series. Rated for up to 15 PSI (1.0 Bar) and temperatures up to 1800F/980C.

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PCV-Series

Pollution Control Valves

The perfect valve for pollution control systems and other low pressure differential (< 2 psi/.14 bar) applications, with the same profile as the S8-Series. Rated for up to 750F/400C.

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