butterfly valves and actuators
Butterfly valves DKR
Butterfly valves for adjusting the flow rate of hot air or flue gas on gas burners, prepared for attachment of an actuator IC 50, for control ratios up to 1:10, with angle-of-rotation indicator.
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Features & Benefits:
- DN: 15 to 500, for fitting between two flanges
- pu: max. 300 mbar
- With manual adjustment or free shaft end
- Max. medium temperature: 100 to 650°C
- With disc clearance or with stop bar
Metering & Process Capability
- Medium
- Hot air and flue gas
Environmental Conditions
- Ambient Temperature Range
- -20 to +60 deg C
Installation & Mounting Specifications
- Installation Orientation
- Clamped between DIN EN 1092 PN16 flanges
Pressure Specifications
- Inlet Pressure Range
- 300 mbar
Material Specifications
- Valve Disc Material
- Stainless Steel up to DN65, Heat‑Resistant Cast Iron ≥ DN80
- Steel up to DN100, Grey Cast Iron Above (DKR..100/350/450)
Storage/Transport Temperatures
- Storage Temperature
- -20 to +40 deg C
Temperature Control/Measurement
- Temperature Class
- Available for 100 deg C, 350 deg C, 450 deg C, and 650 deg C (model‑dependent)
Product Overview & Classification
- Product Variants
- DKR..A - Butterfly valves with stop bar
- DKR..D - Butterfly valve DKR..D is with valve disc clearance
- DKR..F - Butterfly valve with free shaft end (for actuator mounting)
- DKR..H (lever) - Butterfly valve with manual lever and angle scale
Actuation, Valve & Motion Control Specifications
- Actuator Version
- IDR = DKR with IC50 actuator (DN ≤ 300 preassembled)
- Actuator Type
- IC50 axial, linkage, linkage+shock suppressor
- Drive Shaft
- Stainless Steel up to 450 deg C
- Steel up to 350 deg C
Dimensions & Size Specifications
- Nominal Sizes
- DN 15 to 500
Performance, Flow & Capacity
- Flow Velocity
- ≤ 30 m/s
Applications & Compatibility
- Applications
- Adjusting volumes of hot air/flue gas, control ratio up to 1:10
- Roller hearth kilns, forging furnaces, industrial flue‑gas and hot‑air systems
Design, Performance & Noise Management
- Kvs Value
- 0.11 (DN15) to 13700 (DN500) Kvs
Metering & Process Capability
- Medium
- Hot air and flue gas
Environmental Conditions
- Ambient Temperature Range
- -20 to +60 deg C
Installation & Mounting Specifications
- Installation Orientation
- Clamped between DIN EN 1092 PN16 flanges
Pressure Specifications
- Inlet Pressure Range
- 300 mbar
Material Specifications
- Valve Disc Material
- Stainless Steel up to DN65, Heat‑Resistant Cast Iron ≥ DN80
- Steel up to DN100, Grey Cast Iron Above (DKR..100/350/450)
Storage/Transport Temperatures
- Storage Temperature
- -20 to +40 deg C
Temperature Control/Measurement
- Temperature Class
- Available for 100 deg C, 350 deg C, 450 deg C, and 650 deg C (model‑dependent)
Product Overview & Classification
- Product Variants
- DKR..A - Butterfly valves with stop bar
- DKR..D - Butterfly valve DKR..D is with valve disc clearance
- DKR..F - Butterfly valve with free shaft end (for actuator mounting)
- DKR..H (lever) - Butterfly valve with manual lever and angle scale
Actuation, Valve & Motion Control Specifications
- Actuator Version
- IDR = DKR with IC50 actuator (DN ≤ 300 preassembled)
- Actuator Type
- IC50 axial, linkage, linkage+shock suppressor
- Drive Shaft
- Stainless Steel up to 450 deg C
- Steel up to 350 deg C
Dimensions & Size Specifications
- Nominal Sizes
- DN 15 to 500
Performance, Flow & Capacity
- Flow Velocity
- ≤ 30 m/s
Applications & Compatibility
- Applications
- Adjusting volumes of hot air/flue gas, control ratio up to 1:10
- Roller hearth kilns, forging furnaces, industrial flue‑gas and hot‑air systems
Design, Performance & Noise Management
- Kvs Value
- 0.11 (DN15) to 13700 (DN500) Kvs
- Medium : Hot air and flue gas
- Ambient Temperature Range : -20 to +60 deg C
- Installation Orientation : Clamped between DIN EN 1092 PN16 flanges
- Inlet Pressure Range : 300 mbar
- Valve Disc Material : Stainless Steel up to DN65, Heat‑Resistant Cast Iron ≥ DN80|Steel up to DN100, Grey Cast Iron Above (DKR..100/350/450)
- Storage Temperature : -20 to +40 deg C
- Temperature Class : Available for 100 deg C, 350 deg C, 450 deg C, and 650 deg C (model‑dependent)
- Product Variants : DKR..A - Butterfly valves with stop bar|DKR..D - Butterfly valve DKR..D is with valve disc clearance|DKR..F - Butterfly valve with free shaft end (for actuator mounting)|DKR..H (lever) - Butterfly valve with manual lever and angle scale
- Actuator Version : IDR = DKR with IC50 actuator (DN ≤ 300 preassembled)
- Nominal Sizes : DN 15 to 500
- Flow Velocity : ≤ 30 m/s
- Actuator Type : IC50 axial, linkage, linkage+shock suppressor
- Applications : Adjusting volumes of hot air/flue gas, control ratio up to 1:10|Roller hearth kilns, forging furnaces, industrial flue‑gas and hot‑air systems
- Drive Shaft : Stainless Steel up to 450 deg C|Steel up to 350 deg C
- Kvs Value : 0.11 (DN15) to 13700 (DN500) Kvs
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