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Standards and Technical Documents - Stress And Strain In Rat Pulmonary Artery Material During A Biaxial Bubble Test - BIOMED 2004
Description: A biaxial bubble test has been designed to ascertain the mechanical properties of rat pulmonary arteries. The analytical procedure used to estimate stress and strain from the resulting test data is presented along with some analytical results. The bubble test was performed by loading a flat piece
Standards and Technical Documents - Permeable sintered metal materials -- Determination of bubble test pore size -- ISO 4003:1977
Description: Specifies a method for the detrmination of the pore size of filters, porous bearings, porous electrodes and other parts with interconnected porosity. The bubble test shall be considered as a quality control test and not as a test for defining filter grades of determining exact pore size and pore
Supplier: ASTM International
Description: to the required shape by employing appropriate mold. Material is viscoelastic at that temperature, and its characterization for thermoforming applications are possible using a bubble inflation technique as well as rheology tests. Online bubble height measurement during the bubble inflation test
Description: and then vacuum, four times a minute, and still opened freely and closed bubble-tight after a million such test cycles. High Pressure and Temperature Kadant Johnson vacuum breakers are rated for use with pressures up to 300 psig (20 bar) and temperatures up to 365° F (185° C). Higher
- Valve Type: Vacuum Relief / Anti-siphon Valves
- Valve Size: 0.3750 to 1.5 inch
- Number of Ports/Ways: 2
- Pressure Rating: 300 psi
Standards and Technical Documents - Standard Test Method for Bubbling of One-Part, Elastomeric Solvent-Release Type Sealants -- ASTM C712 -03Supplier: Adhesives.org
Description: This test method covers determination of the degree of bubble formation or surface blistering in one-part, elastomeric solvent-release type sealants when exposed to elevated temperatures.
Technical Journals - Practical Implications of Bubble Formation in Conventional Treatment (PDF) -- JAW_0056674Supplier: American Water Works Association (AWWA)
Description: Spontaneous bubble formation (or air-binding) can reduce a treatment plant's overall efficiency and interfere with water treatment. Yet little research has been conducted to understand or mitigate this phenomenon. This article discusses the sources of bubble formation in treatment plants
Standards and Technical Documents - HIGH-VOLTAGE ELECTRICAL INSPECTION OF PIPELINE COATINGS -- NACE SP0274Supplier: NACE International
Description: General Electrical inspection (holiday detection) is a test of the continuity of a protective coating. This type of inspection does not provide information concerning coating resistance, bond, physical characteristics, or the overall quality of the coating, nor is it intended to do so. It detects
Supplier: Ametek Test & Calibration Instruments
Description: operated. The bottom left or right beam sections may be used as a measured tare bar. Scales come assembled with adjustable leveling legs, bubble level indicator and built-in carrying handle. Approximate weight is 23 lbs (11 kg). Overall hieght approximately 5.5-inches (140 mm).
- Type: Bench / Counter Scale
- Capacity: 52 lbs
- Display: Analog Display
Standards and Technical Documents - Condensation inside tubes: pressure drop in straight horizontal tubes. -- 91023Supplier: IHS ESDU
Description: ESDU 91023 develops a prediction procedure for annular/dispersed flow based on that used for vertical downflow in ESDU 90024. It does not apply to bubble or slug flow but in those cases the pressure drop is small. The method uses existing correlations for two-phase adiabatic flow (Friedel
Supplier: PSI Repair Services, Inc.
Description: in delivering more than just a repaired component. Our in-service warranty gives you the freedom to shelve your pump or blower for spare without sacrificing the guarantee. And we don't just meet OEM specs. We balance to ISO 2.5 levels even when 6.3 is typical, and we spin balance where a bubble balance
- Pump Type: Vacuum Pumps, Other
- Services: Bench (Off-site), Calibration Service, Rapid Turnaround, Component Remanufacturing / Rebuild, Specialty / Other
- Location: North America, United States Only, Midwest US Only
Supplier: Excel Cell Electronic USA Corp.
Description: mass production for low cost offer. Standard type is open type without dust cover. If dust cover is required, suitable cased relay can be prepared. Bubble Test conforming to JIS standard will be conducted on the SX type of Relay for checking the Relay sealing. Operating ambient temperature range
- Relay Type: General Application Relay
- Mounting: PC Board, Other
- Pole Specifications: Single Pole (SP)
- Throw Specifications: Single Throw
Supplier: Unique Wire Weaving Company, Inc.
Description: A series of filter cloth specifications developed by UNIQUE Wire Weaving for the purpose of filtering in the very fine range (Micronic Filter Cloth down to 10 microns). Each mesh is rated by its retention in microns as determined by the bubble point test. Almost like sheet metal, it has the bending
- Assembly / Element Type: Cartridge, Wire Mesh / Screen
- Industry Use: Biopharmaceutical, Electronics, Power Generation, Semiconductor Processing
- Filter Medium Material: Metal / Porous Metal, Other
- Features: Reusable / Cleanable
Quick Couplers - 1/2" male NPT x male Quick-test, no check-valve, with cap and chain, brass -- QTFT-4MB0Supplier: Ralston Instruments, Inc.
Description: QTFT-4MB0 1/2" male NPT x male Quick-test, no check-valve, with cap and chain, brass A removable cap provides easy access to connect a Quick-test hose to the process for calibration purposes and is easily sealed bubble-tight again when calibration is complete Connect to pressure transmitters, EFMs
- English Size: All English Sizes, 1/2"
- Material: Brass/Bronze
- Connection Type: Threaded - Male
- Application: Pneumatic Fitting
Supplier: F.C. Kingston Inc.
Description: Kingston ASME Code Soft Seat Safety Valve Kingston Model 114 ASME Code Soft Seat Safety Valves are constructed of brass with a Viton seal and positive stop for a bubble-tight seal. This valve is also equipped with a protective stem cover and manual test lever. Internal construction and performance
- Valve Type: Safety Valves
Supplier: Ralston Instruments, Inc.
Description: QTQT-HOS-6ft Quick-test 6900 psi hose, brass hose ends, 6 ft (1.83 m) long Microbore hoses that provide a very quick, low volume, high pressure way of connecting to any pressure instrumentation, hand pump, calibration source or device under test Low volume reduces the pumping effort or compressed
- Product Form: Complete Hose Assembly
- Inside Diameter: 0.0800 inch
- Outside Diameter: 0.2000 inch
- Working Pressure: 0.0 to 6900 psi
Supplier: Zwick USA
Description: configuration. Typical uses are in quality control and goods inwards. Zwick's unique automatic adaptive parameter configuration is a 'world's first' system which automatically sets test parameters in accordance with material being tested to minimize measuring errors. Special heating elements ensure
- Property Analyzed: Melt Flow Index (MFI, MFR, MVR)
- Display & Special Features: Computer Interface / Networkable, Laboratory / Batch
Supplier: Gilson Company, Inc.
Description: Gilson offers three types of vacuum pycnometers to determine maximum specific gravity. All three feature a transparent cover for observation of bubble release during testing. Standard components include vacuum hose, quick-disconnect, and a 3/8in (9.5mm) threaded aspirator vacuum source. SG-16A
- Instrument Type: Pycnometer
Water Valves - Butterfly Valve - Ductile Iron, Fire Protection, Normally Closed, UL Listed, Grooved Style -- GD-4765-C-8NSupplier: NIBCO INC.
Description: The NIBCO® grooved type butterfly valve is classified as a fire protection control valve that is Underwriters Laboratories listed and Factory Mutual approved for bubble-tight shutoff at 300 psi water working pressure. Grooved ends are compatible with IPS pipe. The NIBCO® ductile iron
- Valve Size: 2.5 to 8 inch
- Pressure Rating: 300 psi
- Media Description: Water (General)
- Valve Type: Butterfly Valves
Supplier: DeZURIK, APCO, HILTON and Willamette
Description: High Performance Butterfly Valves are designed for shutoff and throttling control of liquids and gas. The dynamic PTFE seat provides bubble-tight shutoff in both directions. The Fyre-Block® seat in our High Performance Butterfly Valves is designed for fire safe applications and meets API607
- Valve Size: 2 to 48 inch
- Pressure Rating: 275 to 740 psi
- Metal Seated: Yes
- Connection: Bolt Flange, Metal Face Seal
Supplier: Delta Controls Ltd.
Description: / application and or recovery of a sample etc. This compact unit offers single isolation, and vent / test facility. Vent port 1/4” NPT (vent port plugged as standard for safety). Supplied with bolt pack and seal as standard. The V2D can be supplied with additional tapped holes in it’s base
Description: edges and roofing material edges as well as to install shingles and roll roofing. Seals around skylights, vents, chimneys, valleys, exhaust pipes. Stops roof leaks Ideal for wet or dry conditions Resists cracking Will not run or bubble Excellent for repair or new construction Application
- Chemical / Polymer System Type: Specialty / Other
- Viscosity: 150000 cps
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 expanded graphite rings (fire
- Valve Size: 3 to 80 inch
- Connection: Bolt Flange
- Agency / Standard: ASME
Supplier: Gilson Company, Inc.
Description: for separations of many other materials. Capacity depends on test material characteristics but may range up to 60lb (27.3kg) per test. PS-3 holds five screen trays and pan. PS-4 holds seven trays and pan to permit two added mesh sizes per test. Vibration of both models is mechanically counterbalanced
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SONOTEC Ultraschallsensorik Halle GmbH
SONOCHECK ABD07 Air Bubble Sensors
The very compact SONOCHECK ABD07 sensors for contactless air bubble detection at tubes follows the trend for miniaturization and meets the demands of numerous customers. These intelligent sensors can be used for the monitoring of bubbles in fluids, for wet/dry alarm notifications and as liquid level sensors. The sensitivity of the sensors can be defined according to the type of application. The user is able to specify from which size upwards air or gas bubbles should be detected, simply... (read more)
Browse Flow Meters Datasheets for SONOTEC Ultraschallsensorik Halle GmbH
co-ax valves inc.
MK series valves - New PowerTube™ technology
Pendell, PA (September 2007) – Co-ax valves' PowerTube ™ technology is built into each of its MK series valves. The fast (25 milliseconds depending on size) bubble-tight positive shut off is ideal for applications where leaks simply cannot be tolerated, or where leak-testing is a prerequisite. The co-ax MK 10 is available as a normally closed, or, normally open valve. And because the valve is engineered to accommodate pressure imbalances in either direction there are no check valves... (read more)
Browse Industrial Valves Datasheets for co-ax valves inc.
Sour Gas and Oil Field Equipment
Vent port tapped for safe plumbing. • Positive blow-out prevention on stem. • Easy T-handle operation. • Metal-to-metal seat for bubble-tight shutoff. • One-piece stem. • Compatible with standard API test and gauge connections for 20,000 PSI (1,380 bar) service. • Collars and glands NOT included with - SOG... (read more)
Browse Pipe Fittings Datasheets for BuTech
Incredibly Small Liquid Flow Sensors
versions are ideal for various medical and biomedical applications. The sensors have no moving parts and no obstacles in the flow path of the fluid. Innovative packaging enables Sensirion's highly sensitive thermal flow sensor microchips to measure non-invasively through the wall of a flow channel inside a microfluidic planar substrate. This design provides unique sensitivity for liquid flow measurement and bubble detection in the range of 0 to 1000 microliters per minute. The sensors... (read more)
Browse Liquid Flow Meters Datasheets for Sensirion AG
Gardner Denver Thomas
Liquid Diaphragm Pump Solution - Thomas 1510
. . Low pulsation for consistent flow - In order to achieve the best printing quality, inkjet printers need a steady delivery of ink to the print head. With its special pump design, the THOMAS 1510 provides consistent flow with little pulsation. In addition it delivers the ink bubble-free to the print head. Integrated pressure relief valve (optional) for increased safety and different choices of materials. An integrated pressure relief valve avoids pressure peaks... (read more)
Browse Diaphragm Pumps Datasheets for Gardner Denver Thomas
H.C. Starck Inc. - Fabricated Products Group
Molybdenum Glass Melting Electrodes
degradation, and minimizes detrimental glass discoloring. H.C. Starck provides glass manufacturers with a range of purchasing options to align with the glass melting application and location of the electrodes in the furnace. We offer a variety of electrodes for the most demanding glass melting applications: Standard or tapered threads. Machined or centerless ground surfaces for assurance of concentricity and straightness. High purity (99.95% minimum). Bubble free, low carbon electrodes. GMEs from 1.25... (read more)
Browse Molybdenum and Molybdenum Alloys Datasheets for H.C. Starck Inc. - Fabricated Products Group
Butterfly Valves with Longer Service Life
a matter of pulling the stem out of the disc. Without fasteners obstructing the line flow, the Cv values are higher than many other valves, turbulence is reduced, and pressure recovery is increased. The stem ends and top mounting flange are standardized for interchangeability with FLSmidth actuators.DiscCasting is spherically machined, hand polished to provide a bubble-tight shut off, minimum torque, and longer seat life. The disc O.D. clearance is designed to work with all standard piping.Stem... (read more)
Browse Air Conveyors Datasheets for FLSmidth
Gems Sensors & Controls
High Flow, High Pressure Solenoid Valve Series
all with bubble tight shutoff. Customers can choose from a broad range of 2-way normally open, 2-way normally closed and 3-way valve types, with choice of stainless steel or brass wetted parts and housings. An expanded range of port sizes, pressures and electrical connector types are also available as standard. Explosion proof certifications are available upon request. Gems F Series configurations include: High flow, 2-way direct acting solenoid valves are normally closed with ½ &rdquo... (read more)
Browse Solenoid Valves Datasheets for Gems Sensors & Controls
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Technical Article: Air Under Water (AUW) - Also known as the "Bubble Test" / Dye Penetrant Leak Test
AUW, also referred to as the "bubble test," may be okay for medium and large leaks, but is poor for SPC and correlation to other leak test methods is almost impossible. AUW can be used to detect
High Throughput Leak Detection
Various methods have historically been used to check leaks in systems and components from bubble tests to rotameters and pressure loss detection. While these traditional methods have their place, they each have serious drawbacks in accuracy, throughput, and automation.
Medical Device Link .
of the test equipment available. The limited dynamic range of conventional helium leak detectors required that a secondary test procedure be developed to cover the large, or gross, leak range. Several methods have been tried, and the most commonly used procedure, referred to as the bubble test, involves
Medical Device Link .
, burst and tensile seal-strength tests and bubble or dye leak integrity tests). � Recognition by FDA in regulations
Medical Device Link .
incidental fluid exposure or as complex as a full-penetration fusion weld for bioimplants such as pacemakers. Hermetic seals can be characterized by a variety of test methods, from standard pressure-decay or bubble-emission tests to sophisticated mass spectrometer or radioactive analyses. Because all
MICRO: Tool/Fab Support
Mutsuhiro Amari, Aiwen Wu, and Hee Jun Yang, Linda Chen, Thomas Bowling, and Michael Watt, Particulate- and bubble-induced defects cause distinct problems for 193-nm photoresist systems. Microbridging defects in the photoresist and cone defects in antireflective coatings are particularly
MiniModule (R) Fact Sheet (.pdf)
stream that they want to de-bubble, or remove dissolved oxygen, carbon dioxide, or other gases from this product works great in the flow ranges for which it was designed. Customers that have fluids other than water may need to purchase one of these devices to test applicability. We know that ink
Medical Device Link .
struggle with the possibility of false-positive results when performing sterile integrity testing (bubble-leak or dye-penetration tests) on a flexible sterile barrier system (SBS) containing porous materials. A false positive can occur when a flexible pouch containing a porous material is bent, folded
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FINAL REPORT DM1200 TESTS WITH AZ 101 HLW SIMULANTS VSL-03R3800-4 REV 0 2/17/04
DuraMelter 1200 AZ-l 01 Bubbling Tests Off Gas System Measured Parameters ...............................
FINAL REPORT TESTS ON THE DURAMELTER 1200 HLW PILOT MELTER SYSTEM USING AZ-101 HLW SIMULANTS VSL-02R0100-2 REV 1 2/17/03
However, while small-scale melter tests are useful for screening relative effects, they tend to overestimate absolute glass production rates, particularly for un- bubbled tests .
The operation of the device is captured using a video camera fed into a computer, as with the bubble testing described above.
� Model Flow Regime Identification by KSOFM Unified Distance Matrix for Test Data KSOFM Labelled with Best Matching Units KSOFM Flow Regime Classification of Data Points Bubble MLP: Percentage Measurement Accuracy for the Superficial Gas Velocity of Bubble Test Points - ZMUV Bubble MLP �
Handbook of Financial Econometrics and Statistics
� 10), Autoregressive parameters (44), Bankruptcy prediction (27), Bayesian updating (2), Binomial distribution (28), Block bootstrap (56), Block granger causality (17), Bootstrap (8, 50), Bootstrap test (14), Bootstrapped critical values (24), Boundary function (31), Box-Cox (78), Bubble test (31), Change-point models �
Driving mechanisms of CM-scaled PDMS boats of respective close and open reservoirs
For simplicity, these tests were called 30% bub- ble test , 60% bubble test, 60% test and 90% test, respectively.
Are There Rational Speculative Bubbles in REITs?
4 Previous studies that conduct the bubble tests based on autocorrelation, skewness, and kurtosis in the return distribution include Blanchard and Watson (1982) and Evans (1986).
Two other tests, the " Bubble Test " and a tortuosity representation, were also found to be accurate quality control measures.