- 上海盈沣元器件有限公司Shanghai Enfion Component Co.,Ltd
- 18621547373
产品描述
Shut-off Flap Valve
Application
Safety shut-off flap valve in coal dust pipework.
Nominal diameter: 150 to 800 mm
Operating pressure: Up to 10 bar
Operating temperature: Up to 200 °C Technical Data
Valve body: Welded steel construction with inspection hole for service and maintenance during built-in
Seals: Metal-to-metal or metal-to-elastomers
Bearing: Maintenance-free plain bearings
Actuator: Manual
Pneumatic Connection to pipework by flanges or welding to suit customers' specification.
Elektric
Dusty_media_safety_shut_off_flap_valves_compensator.pdf download (96,63 KB)
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Compensator
Application
Compensation of thermal Boiler Expansion to the axis of the connected coal dust lines.
Nominal diameter: 150 to 800 mm
Operating pressure: Up to 10 bar
Operating temperature: Up to 200 °C Technical Data
Body: Welded steel construction Pipeline connection with flanged or welded ends, according to customers' request.
Seal: Special silicon-rubber
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Shut-off and Control Valves
Application
As a semi automatic control unit for safety shut-off valves to be triggered in case the set operating pressure is exceeded or tripped by electrical signal.
Connection: Pipe connections with DIN- or ANSI flanges
Setting range: 0.5 to 10 bar acc. to spring type
Operating temperature: -25 °C to 180 °C
Response pressure accurancy: AG 5, AG 10 Technical Data
Pilot: Stainless steel 1.4571 Completely mounted in protective cabinet with sight glass.
Seals: Perbunan, Viton
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Shut-off and Control Valve
Application
Medium: Natural gas
Flow: min. 6.040 Nm3/h; max. 225.000 Nm3/h
Nominal diameter: DN 500
Nominal pressure: PN 16
Operating pressure: 3 bar g
Operating temperature: -15 °C to 60 °C Technical Data
Valve body: Z-form in welded steel construction
Seatring: exchangeable
Trim: Special characteristic for extremly large control range
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Safety Shut-off Flap Valves
Application
Tightly sealing quick-closing butterfly valve as:
- Safety shut-off element for gas burners
- Safety shut-off systems to DIN 3384 upstream of gas pressure controllers
- Gas-/air failure safety system
- Main shut-off element in gas systems
- Flap valves with type testing to:
97/23/EC Pressure Equipment Directive, modul B
Nominal diameter: 250 to 3000 mm
Operating pressure: Up to 16 bar
Operating temperature: -25 °C to 300 °C Technical Data
Valve body: Welded steel construction
Seals: Single or double seated with intermediate venting
Seal elements: Flexible to suit medium and temperature
Bearing: Maintenance-free plain bearings on Teflon basis
Actuator: Pneumatic piston actuator with closing-spring and hydraulic damping on closing Other material and design variants available on request.
Control: Solenoid valves with quick venting feature; Position indication via limit switches
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Safety Shut-off Flap Valve
Application
Tightly sealing shut-off flap valve for gaseous media.
- Power plants
- Firing installations
- Gas systems
Nominal diameter: 250 to 3000 mm
Operating pressure: Up to 10 bar
Operating temperature: -25 °C to 300 °C Technical Data
Valve body: Welded steel construction
Sealing: Single- or double seat with intermediate venting
Seals: Elastic according to medium and temperature
Bearing: Maintenance-free plain bearings on a Teflon basis Other materials and design variants available on request.
Control: Electrical multiturn actuator
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Safety Shut-off Flap Valve
Application
Building shut-off butterfly valve on the reactor containment in nuclear power plants
Nominal diameter: 200 to 1200 mm
Operating pressure: Up to 10 bar
Operating temperature: -15 °C to 200 °C Technical Data
Valve body: Welded steel construction
Corrosion protection: All steel components are chemically nickel plated
Sealing: Double seals with test connection
Actuator: Pneumatic piston actuator with closing springs Other materials and design variants available on request.
Control: Redundant via 3/2-way solenoid valve
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Quick-closing Valve Combination with Intermediate Venting for Gas Burners
Application
- Gas firing systems on steam boilers
- Gas carrying piping systems in all industrial fields
- Valves with type testing to:
97/23/EC Pressure Equipment Directive, modul B
DIN EN 161 Automatic shut-off valves for gas burners
and gas appliances (operating pressure
of up to 4 bar)
DIN 3394-T1 Automatic control valves - Pressure relief,
safety and regulation valves for pressure
above 4 bar up to 16 bar
DIN EN 12 952 Water tube boilers and auxiliary
installations
DIN EN 12 953 Shell boilers
Nominal diameter: 15 to 300 mm
Operating pressure: Up to 40 bar
Operating temperature: -15 °C to 200 °C Technical Data
Valve body: Cast steel GS-C25; Nodular cast iron GGG40.3
Plug seal: Perbunan / Viton / Teflon
Stem seal: Maintenance-free due to stainless steel bellows
Actuator: Pneumatic piston actuator with closing-spring
Control: Electromagnetically operated 3/2 directional valve
Position indication via limit switches
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Quick-closing Gas Valve with Double Sealing and Intermediate Venting
Application
- Special combustion plants
- Coke-oven gas combustion plants
- Valves with type testing to:
97/23/EC Pressure Equipment Directive, modul B
Nominal diameter: 200 to 400 mm
Operating pressure: Up to 16 bar
Operating temperature: -15 °C to 200 °C Technical Data
Valve body: Welded steel constructions
Sealing elements: Perbunan / Viton / Teflon
Stem seal: Maintenance-free due to stainless steel bellows
Actuator: Pneumatic piston actuator with closing spring
Control: Electrimagnetically operated 3/2 directional valve Special design on request.
Piston indication via limit switches
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Single-Plate Gate Valve
Application
- Gas metering- and gas regulating plants
- Gas- and oil lines
- According to Pressure Equipment Directive97/23/EC, prototype tested (Modul B), inspected by and registered with DIN-DVGW
Nominal diameter: 50 – 1000 mm
Operating pressure: 0 – 100 bar
Operating temperature: -10 °C to +70 °C Technical Data
Valve body: St35.8
Stem seal: Due to Quad-Ring of NBR
Seal: Primary metal seal, secondary seal by O-ring
Actuator: Handwheel or electric drive
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Single-Plate Gate Valves
Application
- Gas metering and gas regulating plants
- Gas and oil lines
- According to Pressure Equipment Directive 97/23/EC, inspected by and registered with DIN-DVGW
Nominal diameter: 50 - 400 mm
Operating pressure: 10 - 25 bar
Operating temperature: -10 °C to +70 °C Technical Data
Valve body: EN-GJS-400-15
Spindle seal: Due to Quad-ring of NBR
Seal: Primary metal seal, secondary seal by o-ring
Actuator: Handwheel or elektric drive
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Shut-off and Control Valves
Application
Safety device for a heat exchanger used in the chemical industry
Medium: Heat transfer oil
Nominal diameter: DN 6"
Nominal pressure: ANSI 900 lbs.
Operating pressure: 100 bar g
Operating temperature: +300 °C
Specials: triggering of the safety cut-off mechanism by the differencial pressure monitor; stem sealing through stainless steel bellows with a downstream safety gland box
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Valves
Application
- Oil firing systms on steam boilers to TRD 411
- Valves with type testing to:
97/23/EC Pressure Equipment Directive, modul B
Nominal diameter: 15 to 50 mm
Operating pressure: Up to 45 bar
Operating temperature: 200 °C to 450 °C Technical Data
Valve body: Forged steel C22.8
Plug seal: Metal-to-metal, ground-in
Stem seal: Maintenace-free due to stainless steel bellows
Actuator: Pneumatic piston actuator with closing spring
Control: Electromagnetically operated 3/2 directional valve Larger nominal diameters and designs available on request.
Position indication via limit switches
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Valves
Application
In front of a heat exchanger in the district heating power plant.
Medium: Steam
Nominal diameter: DN 500
Nominal pressure: PN 25
Operating pressure: 17 barg
Operating temperature: +350 °C
Special: Body in welded steel construction; bypass valve; control by 3 solenoid valves with safety function two of three
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