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Supplier: OPW Engineered Systems
Description: A wide range of applications from vacuum to very high pressure service, and from low to very high temperature service Suitable for any severe process lines Excellent control characteristics that allow throttle control of flows Bubble-tight shut-off capability Optional "Blow-Out Proof
- Actuation: Manual / Hand, Mechanical Device, Electric, Pneumatic
- Agency / Standard: API, ASME, ISO
- Connection: Butt Weld
- Flow (Cv): 2.1 to 21000
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Supplier: Taylor Products / Smoot
Description: Butterfly Valves are designed to control a material or airflow in pneumatic or gravity flow convey lines. The casting is spherically machined to provide a bubble-tight shut off with minimum torque thus increasing seat life.
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Supplier: OPW Engineered Systems
Description: insures that each valve Sure Seal supplies exceeds your application expectations. Non-wetted, 360 deg. radially-loaded, elastometric energizer is engineered to provide uniform pressure to the outer circumference of the liner and disc, ensuring absolute bubble tight shut-off
- Actuation: Manual / Hand, Electric, Electro-hydraulic, Pneumatic
- Agency / Standard: API, ASME, ISO
- Connection: Bolt Flange
- Flow (Cv): 8 to 30409
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Supplier: OPW Engineered Systems
Description: ) - Schedule 80 - bubble tight shut off 100 psi on all full teflon or rubber seat, 150 psi on all other combinations - 50 psi bubble tight shut off available in all series.
- Actuation: Manual / Hand, Mechanical Device
- Agency / Standard: ISO
- Connection: Bolt Flange
- Material of Construction: Aluminum, Ductile Iron, Stainless Steel
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Supplier: OPW Engineered Systems
Description: places in larger vales at 2, 4, 8 and 10 o'clock positions - positioned on outer perimeter through valve body to phenolic backing Precision profile disc provides bubble-tight shut off and assures minimum torque and longer seat life Bonding of elastomer to phenolic backing
- Actuation: Manual / Hand, Mechanical Device, Electric, Pneumatic
- Agency / Standard: API, ISO
- Connection: Bolt Flange
- Flow (Cv): 0.0600 to 117500
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Supplier: NIBCO INC.
Description: degree. radially-loaded, elastometric energizer is engineered to provide uniform pressure to the outer circumference of the liner and disc, ensuring absolute bubble tight shut-off Unique, spherically-shaped disc and liner eliminates the axial cold flow and deformation problems typical
- Primary Material of Construction: Stainless Steel, Steel
- Valve Type: Butterfly Valves, Shut Off Valves
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Supplier: Grinnell
Description: The GRINNELL Model B302 Butterfly Valve provides for efficient control of on/off or throttling/balancing service, fluid flow, and "bubble tight" shut-off in piping systems. Flow can be from either direction and the valve may be positioned in any orientation.
- Actuation: Manual / Hand
- Material of Construction: Ductile Iron
- Media Temperature: -20 to 200 F
- Pressure Rating: 200 to 300 psi
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Supplier: Waterman Industries, Inc.
Description: -lined type with seat ring securely contained within the valve body. Valves shall be bubble-tight at rated pressure of 150 PSI with flow in either direction. Valve discs shall rotate minimum 90 degrees from full open to the tight shut-off position. The
- Valve Type: Butterfly Valves
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Supplier: Grinnell
Description: The GRINNELL Model B333 Large Diameter Butterfly Valve provides efficient control of fluid flow in piping systems. It is a grooved-end bubble tight shut-off valve with end-to-end dimensions that meet MSS SP-67, Table 4 and a mounting pad that meets ISO 5211 for the
- Actuation: Manual / Hand
- Material of Construction: Ductile Iron
- Media Temperature: -30 to 200 F
- Pressure Rating: 300 psi
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Supplier: Bray Commercial
Description: butterfly valves are 100% factory tested for bubble tight shut off and low seating/unseating torque. NY and AB Series valves are available in 2-way and 3-way configurations in sizes from 2” to 20”. Actuators include industrial electric, commercial electric,
- Actuation: Electric, Pneumatic
- Connection: Bolt Flange
- Flow (Cv): 61 to 22339
- Material of Construction: Cast Iron
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Supplier: Bray Commercial
Description: butterfly valves are 100% factory tested for bubble tight shut off and low seating/unseating torque. NY and AB Series valves are available in 2-way and 3-way configurations in sizes from 2” to 20”. Actuators include industrial electric, commercial electric,
- Actuation: Electric, Pneumatic
- Connection: Bolt Flange
- Flow (Cv): 61 to 22339
- Material of Construction: Cast Iron
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Supplier: DynaQuip Controls
Description: shut-off during actuation and quick and easy field repairs. Pilot solenoids, positioners, other pneumatic accessories or other valve body and seat materials are available on request. See our 700/722 Series for detailed butterfly valve information. See our MP Series for
- Actuation: Pneumatic
- Connection: Bolt Flange
- Material of Construction: Ductile Iron
- Media Description: Air, Water
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Supplier: DynaQuip Controls
Description: dependability and positive disc positioning Locating holes at bottom and top of Wafer Valve Ease Installation. Lug style valve has drilled and tapped lugs meeting ANSI 125/150 flange standards Precision Profile Disc provides bubble-tight shut-off and assures minimum
- Actuation: Electric
- Connection: Bolt Flange
- Material of Construction: Ductile Iron
- Media Description: Air, Water
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Supplier: Media Valve, Inc.
Description: The Mosites C10 Butterfly Valve, which is fully elastomer lined, is in use throughout the world in a wide range of critical service applications. The control of water, chemicals, air, slurries, and vapors to 150 psi bubble-tight shut off can be achieved with the
- Flow (Cv): 3 to 429
- Valve Size: 3 inch
- Valve Type: Butterfly Valves
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Supplier: Clark Solutions
Description: , mixing or diversion. Valves are available in full-lugged or wafer mounting style. All bodies meet ANSI 150 pressure ratings for hydrostatic requirements. The valves are compatible with ANSI 125/150 flanges. Standard valves 2"-12" are bidirectional with a bubble-tight
- Actuation: Electric
- Connection: Bolt Flange
- Material of Construction: Aluminum, Cast Iron, Ductile Iron, Steel
- Media Description: Water, Hot Water, Cold Water, Steam
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Supplier: Media Valve, Inc.
Description: The Mosites C10 Butterfly Valve, which is fully elastomer lined, is in use throughout the world in a wide range of critical service applications. The control of water, chemicals, air, slurries, and vapors to 150 psi bubble-tight shut off can be achieved with the
- Flow (Cv): 344 to 31800
- Valve Size: 22.12 inch
- Valve Type: Butterfly Valves
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Supplier: TrimTeck
Description: High torque and triple offset design ensures zero leakage. The Optimux OpTE™ triple offset design provides bubble-tight shut-off for critical applications in a wide variety of industrial processes such as petroleum re?ning, cryogenics applications, pulp and paper and many others. Our
- Actuation: Electro-pneumatic
- Connection: Bolt Flange
- Flow (Cv): 52 to 147000
- Material of Construction: Exotic Metal, Stainless Steel, Steel
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Supplier: Victaulic Co. of America
Description: GROOVED TYPE 6 INCH NOMINAL SIZE 6 NOMINAL SIZE - DECIMAL 6 NOMINAL SIZE - FRACTIONAL AIR WITH OIL VAPOR, MINERAL OIL, PETROLEUM PRODUCT, VEGETABLE OIL APPLICATION -20 TO 180 DEG F TEMPERATURE RATING BUBBLE TIGHT SHUT-OFF INCLUSIONS
- Actuation: Manual / Hand, Mechanical Device
- Material of Construction: Steel
- Media Description: Air, Gasoline / Diesel Fuel
- Pressure Rating: 200 psi
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Supplier: Assured Automation
Description: or with pneumatic or electric actuators. A full range of accessory items are available including limit switches, solenoid valves, positioners manual override devices, and bolt and flange kits. Features & Benefits: Class VI shut-off, Bubble tight Advanced
- Actuation: Manual / Hand, Electric, Pneumatic
- Agency / Standard: API, ISO
- Connection: Bolt Flange
- Flow (Cv): 2 to 4700
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Supplier: Victaulic Co. of America
Description: GROOVED TYPE 2-1/2 INCH NOMINAL SIZE 2.5 NOMINAL SIZE - DECIMAL 2-1/2 NOMINAL SIZE - FRACTIONAL AIR WITH OIL VAPOR, MINERAL OIL, PETROLEUM PRODUCT, VEGETABLE OIL APPLICATION -20 TO 180 DEG F TEMPERATURE RATING BUBBLE TIGHT SHUT-OFF
- Actuation: Manual / Hand, Mechanical Device
- Material of Construction: Steel
- Media Description: Air, Gasoline / Diesel Fuel
- Pressure Rating: 200 psi
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Supplier: Victaulic Co. of America
Description: GROOVED TYPE 5 INCH NOMINAL SIZE 5 NOMINAL SIZE - DECIMAL 5 NOMINAL SIZE - FRACTIONAL AIR WITH OIL VAPOR, MINERAL OIL, PETROLEUM PRODUCT, VEGETABLE OIL APPLICATION -20 TO 180 DEG F TEMPERATURE RATING BUBBLE TIGHT SHUT-OFF INCLUSIONS
- Actuation: Manual / Hand, Mechanical Device
- Material of Construction: Steel
- Media Description: Air, Gasoline / Diesel Fuel
- Pressure Rating: 200 psi
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Supplier: Victaulic Co. of America
Description: GROOVED TYPE 1-1/2 INCH NOMINAL SIZE 1.5 NOMINAL SIZE - DECIMAL 1-1/2 NOMINAL SIZE - FRACTIONAL CHEMICAL SERVICE, DILUTE ACID, WATER APPLICATION -30 TO 230 DEG F TEMPERATURE RATING BUBBLE TIGHT SHUT-OFF INCLUSIONS
- Actuation: Manual / Hand, Mechanical Device
- Material of Construction: Steel
- Media Description: Water
- Media Temperature: -30 to 230 F
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Description: Butterfly Valves This Standard Practice covers dimensions, design, testing, and marking requirements for butterfly valves. Further reference should be made to the MSS SP-68. This Standard Practice covers two types of butterfly valves: Type I – Valves
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Supplier: Velan, Inc.
Description: Bidirectional, zero-leakage, triple-offset butterfly valves Features and benefits DESIGN FEATURES: • Triple-offset disc rotation: Provides bubble-tight sealing without rubbing or galling. • Cryogenic stem packing: Composed of superposed Viton O-rings and
- Valve Size: 3 to 80 inch
- Valve Type: Butterfly Valves, Other
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Supplier: NIBCO INC.
Description: to DN 150) 100 percent bubble tight shutoff and zero stem leakage tested per the API 598 specifications Economical field replaceable components Available with manual operators, lockable spring to close hand-levers and pneumatic actuators Temperature rating: -4° F to 400° F (soft seated)
- Media Temperature: -4 to 400 F
- Primary Material of Construction: Stainless Steel, Steel
- Valve Size: 1 to 6 inch
- Valve Type: Butterfly Valves, Sampling / Dispensing Valves, Shut Off Valves
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Supplier: SSI Fabricated
Description: following parts: (2) SSI Fabricated Strainers (Fabricated FB Series or Cast 125B or Cast 150B Series) (2) Header assemblies – Inlet and outlet (4) Isolation shut off valves (BF Series Butterfly valves) The unit is designed to allow changeover from one
- Applications: General Purpose, Chemical, Industrial, Oil / Fuel, Water, Other
- Assembly / Element: Strainer Assembly
- Materials of Construction: Cast Iron, Steel - Carbon / Alloy, Steel - Stainless, Other
- Media: Liquid
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Supplier: SSI Fabricated
Description: parts: (2) SSI Fabricated Strainers (Fabricated FB Series or Cast 125B or Cast 150B Series) (2) Header assemblies – Inlet and outlet (4) Isolation shut off valves (BF Series Butterfly valves) The unit is designed to allow changeover from one
- Applications: General Purpose, Chemical, Industrial, Oil / Fuel, Water, Other
- Assembly / Element: Strainer Assembly
- Materials of Construction: Cast Iron, Steel - Carbon / Alloy, Steel - Stainless, Other
- Media: Liquid
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Supplier: SSI Fabricated
Description: : (2) SSI Fabricated Strainers (Fabricated FB Series or Cast 125B or Cast 150B Series) (2) Header assemblies – Inlet and outlet (4) Isolation shut off valves (BF Series Butterfly valves) The unit is designed to allow changeover from one strainer to the
- Applications: General Purpose, Chemical, Industrial, Oil / Fuel, Water, Other
- Assembly / Element: Strainer Assembly
- Materials of Construction: Cast Iron, Steel - Carbon / Alloy, Steel - Stainless, Other
- Media: Liquid
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Supplier: SSI Fabricated
Description: parts: (2) SSI Fabricated Strainers (Fabricated FB Series or Cast 125B or Cast 150B Series) (2) Header assemblies – Inlet and outlet (4) Isolation shut off valves (BF Series Butterfly valves) The unit is designed to allow changeover from one
- Applications: General Purpose, Chemical, Industrial, Oil / Fuel, Water, Other
- Assembly / Element: Strainer Assembly
- Materials of Construction: Cast Iron, Steel - Carbon / Alloy, Steel - Stainless, Other
- Media: Liquid
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ductile iron body and disc and abrasion-resistant Buna-N Phenolic Backed Seat for stretch resistant, tight shut-off during actuation and quick and easy field repairs. Other voltages and body or seat materials are available on request. Please select Search by Specification to narrow (read more)
Browse Butterfly Valves Datasheets for DynaQuip Controls -
TSV Dedicated Thermally Activated Shut-Off Valves The TSV series Thermal Shut-off valves combine a fire-safe ball or butterfly valve with a pneumatic actuator and the FM approved FireChek® valve to form a dedicated stand-alone thermal shut-off valve that will close (read more)
Browse Industrial Valves Datasheets for Assured Automation -
. The internal end of the multiple line quick disconnect incorporates automatic shut-off valves to prevent leakage. A double shut-off version incorporates shut-offs in both ends. Contact Beswick’s technical support team to learn more. (read more)
Browse Quick Couplers Datasheets for Beswick Engineering Co., Inc. -
performance in a wide range of shut off and throttling control applications throughout your facility. For more information visit DeZURIK.com. DeZURIK manufactures the following styles of Plug Valves (read more)
Browse Plug Valves Datasheets for DeZURIK, Inc. -
ranges from 0 to 10 bar, depending on coils used and nominal diameter. Process valve nominal pressure is PN 40. Applications for the VZWD include: high pressures and low flow rates, vacuum systems down to 100mbar, venting gas and storage tank installations, safety shut-off functions in burner (read more)
Browse Solenoid Valves Datasheets for Festo Corporation -
long life and tight shut-off in abrasive / erosive conditions and meeting stringent fugitive emission requirements. The NexTech® valve is designed as a high-end, severe service solution for the process and specialty markets. NexTech® also serves specialty applications to meet specific (read more)
Browse Ball Valves Datasheets for ValvTechnologies, Inc. -
. Balanced plug construction: Reduces thrust, optimizing actuator sizes and improving valve lifespan. Piloted plug design: Provides tight shut-off (Class V) for high-temperature services (read more)
Browse Globe Valves Datasheets for Shanghai Thinktank Process Management Co., Ltd -
. Whether the fluid is liquid, gas or steam, the DLC® provides tight shut-off and protects other equipment in the system from water hammer. Its 316 stainless steel construction ensures a long service life. ASME B16.10 Face-to-Face dimensions Spring-assisted silent (read more)
Browse Check Valves Datasheets for DFT Inc. -
4” and under piping. Below is a collection of non-slam, tight shut-off check valves that fit these criteria: DFT Model Basic Check® • DFT Model Restrictor (read more)
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Assured Automation are API 607 approved for flammable liquids and gases, and are commonly used to: To shut down hazardous lines when fire occurs, and Activate sprinkler systems to control fire These assemblies consist of ball or butterfly valves that can be (read more)
Browse Tempering Valves and Thermally Actuated Valves Datasheets for Assured Automation
More Information Top
Indicates content that may require registration and/or purchase.
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Sell Offset Type HP Butterfly Valve Wafer type (For Steam)
We specialize in the manufacture and sale of High-performance and Triple offset butterfly valve , providing tight shut - off and zero stem leakage, for all types of process applications.
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Sell Dual Plate Check Valve Wafer type
We specialize in the manufacture and sale of High-performance and Triple offset butterfly valve , providing tight shut - off and zero stem leakage, for all types of process applications.
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Handbook of Chlor-Alkali Technology
Butterfly valves can provide tight shut - off when soft seats are used, and their major application in chlorine service is in the larger pipe sizes.
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Process Control Valves - Americas - 2012
Triple offset butterfly valves which provide tight shut - off when the valve is fully closed were reported to be benefitting from this trend.
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Process Control Valves - EMEA - 2012
Triple offset butterfly valves which provide tight shut - off when the valve is fully closed were reported to be benefitting from this trend.
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CR4 - Thread: Butterfly Valve in Natural Gas Line
Here I mean in your case only to give a tight shut off not possible with a butterfly valve .
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CR4 - Thread: Wafer Lug Type Butterfly Valve - Tapped or Through Hole to Be Used at Flange
Butterfly valves are not generally " tight shut off " and are more popular in modulating (control) applications.
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Dry as a Butterfly | News | The Engineer
Neles Automation says that its new ZeroLeak Neldisc Butterfly valve provides bubble- tight shut - off along with long-lasting, dependable performance.
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Explosion on a flare stack - issue 185
Even with these precautions it should be remembered that butterfly valves in flare systems will not give a tight shut - off after they have been in service for a few years.
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Process Automation Handbook
For example, globe and butterfly valves are often used for dual control and isolating purposes, although a tight shut - off may not be achieved.