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Supplier: Plast-O-Matic Valves, Inc.
Description: A specialty diaphragm check valve that opens with virtually no forward pressure. However, Series CKD requires a minimum back pressure of 1/2 PSI to close. When inlet pressure is sensed the sealing disc is pushed off the valve seat opening the valve. In this
- Valve Size: 0.25 to 0.5 inch
- Pressure Rating: 100 to 140 psi
- Media Temperature: 140 to 300 F
- Flow (Cv): 0.5 to 1
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Supplier: ITW Medical
Description: 3mm Port Diaphragm Check Valve, .21 psi Cracking Pressure
- Valve Size: 0.1181103 inch
- Pressure Rating: 0.21 psi
- Number of Ports/Ways: 1
- Features: Check Valves, Diaphragm Valves, Other
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Supplier: U.S. Plastic Corporation
Description: 4"cks cpvc diaphragm check valve-viton
- Material Of Construction: CPVC
- Features: Check Valves, Diaphragm Valves
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Supplier: U.S. Plastic Corporation
Description: Diameter: 1.9". Length: 4.7". Working psi @ 77F: 150 Inlet/100 Back. Maximum Temperature: 140F.
- Features: Check Valves, Diaphragm Valves
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Supplier: U.S. Plastic Corporation
Description: Orifice Size: 3/16". Diameter: 1-1/8". Length: 2-1/16". Cv Factor: 0.50. Maximum psi @ 75F: 140. Maximum Temperature rating: 140F.
- Features: Check Valves, Diaphragm Valves
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Supplier: U.S. Plastic Corporation
Description: Polypropylene and Kynar housing with Viton diaphragm. Will work with vacuum between 2 and 29 in. Hg. and pressures from 1 psi up to 150psi.
- Features: Check Valves
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Supplier: Cole-Parmer
Description: • Use with liquids and gases for pressure or vacuum applications • Breaking pressure is 0.18 psi, closing pressure is 0.014 psi • Install in any position Note: Valves require 1 psi back pressure for a tight seal.
- Pressure Rating: 3 to 5 psi
- Flow (Cv): 0.12
- Features: Check Valves
- Material Of Construction: PVDF
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Supplier: Cole-Parmer
Description: • Use with liquids and gases for pressure or vacuum applications • Breaking pressure is 0.18 psi, closing pressure is 0.014 psi • Install in any position Note: Valves require 1 psi back pressure for a tight seal.
- Pressure Rating: 125 psi
- Flow (Cv): 0.12
- Features: Check Valves
- Material Of Construction: PVDF
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Supplier: Cole-Parmer
Description: • Use with liquids and gases for pressure or vacuum applications • Breaking pressure is 0.18 psi, closing pressure is 0.014 psi • Install in any position Note: Valves require 1 psi back pressure for a tight seal.
- Pressure Rating: 15 psi
- Flow (Cv): 0.12
- Features: Check Valves
- Material Of Construction: Polypropylene (PP)
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Supplier: Cole-Parmer
Description: • Use with liquids and gases for pressure or vacuum applications • Breaking pressure is 0.18 psi, closing pressure is 0.014 psi • Install in any position Note: Valves require 1 psi back pressure for a tight seal.
- Pressure Rating: 15 psi
- Flow (Cv): 0.13
- Features: Check Valves
- Material Of Construction: Polypropylene (PP)
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Supplier: Accuris
Description: FLUOROELASTOMER (FPM), ARAMID FIBERS REINFORCED, AIR CHECK VALVE DIAPHRAGM
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Supplier: Urethane Innovators, Inc.
Description: harsh sludge environments. The urethane check valve balls are resilient which means less wear on valve seats and adjacent parts while increasing efficiency. Urethane check valve balls can be molded with or without metal cores. When a metal core is required it is
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Supplier: Ames Fire & Waterworks
Description: Models 600GD-16 (Globe) and 600AD-16 (Angle) are Ductile Iron, reduced port, dual chamber basic valves that incorporate a two-piece telescoping disc and diaphragm assembly. When pressure is applied to the upper diaphragm chamber and released from the lower diaphragm
- Valve Size: 3 to 12 inch
- Pressure Rating: 400 psi
- Media Temperature: 33 to 300 F
- Media: Cold Water, Hot Water, Potable Water, Water
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Supplier: ARKPLAS
Description: seal with each use. By nature of our free-floating design, Ark-Plas® Check Valves are "zero-gravity" fittings, and can be used in any position with immediate response to even the slightest change in pressure or flow. All Check Valves can be purchased in six different
- Number of Ports/Ways: 2
- Features: Check Valves, Mechanical Device, Other
- Connection Description: Union
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Supplier: Plast-O-Matic Valves, Inc.
Description: Series CKM A unique, patented diaphragm provides normally-closed operation with a bubble-tight seal, even with no reverse pressure. 1/2″ through 1″ pipe sizes.
- Valve Size: 0.5 to 1 inch
- Pressure Rating: 60 to 150 psi
- Number of Ports/Ways: 2
- Material Of Construction: CPVC, PVC, PVDF, Polypropylene (PP)
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Supplier: ARKPLAS
Description: seal with each use. By nature of our free-floating design, Ark-Plas® Check Valves are "zero-gravity" fittings, and can be used in any position with immediate response to even the slightest change in pressure or flow. All Check Valves can be purchased in six different
- Number of Ports/Ways: 2
- Features: Check Valves, Mechanical Device, Other
- Connection Description: Union
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Supplier: ARKPLAS
Description: seal with each use. By nature of our free-floating design, Ark-Plas® Check Valves are "zero-gravity" fittings, and can be used in any position with immediate response to even the slightest change in pressure or flow. All Check Valves can be purchased in six different
- Valve Size: 0.125 to 0.375 inch
- Pressure Rating: 150 psi
- Number of Ports/Ways: 2
- Media: Air, Compressed Air
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Supplier: Accuris
Description: VALVE, DIAPHRAGM ACTUATED, HYDRAULICALLY OPERATED, PRESSURE REDUCING AND CHECK
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Supplier: SANDPIPER Pump
Description: plastic elastomers) and PTFE options in diaphragms and check valves. Light Weight & Portable Weights as low as 3 lbs (1 kg). All Bolted Construction Top Discharge For pumping out of tough areas Ball Check Valves Provides powerful, high flow pumping
- Maximum Discharge Flow: 238 GPM
- Maximum Discharge Pressure: 666.6243643 psi
- Discharge Size: 0.25 to 3 inch
- Power Source: Air / Pneumatic
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Supplier: Watts
Description: two-piece assembly is a mechanical check feature, which acts independent of diaphragm position or pilot control system, and provides immediate check action when flow ceases.When pressure is applied to the upper diaphragm chamber and released from the lower
- Features: Check Valves
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Supplier: Watts
Description: The Watts ACV Models M6518 and M61518 are reduced port, dual chamber basic valves that incorporate a two-piece telescoping disc and diaphragm assembly. This assembly is the only moving part within the valve, allowing it to open or close as commanded by the pilot control system.
- Features: Check Valves
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Supplier: Watts
Description: Models 900GD-16 (Globe) and 900AD-16 (Angle) are Ductile Iron, full port, dual chamber basic valves that incorporate a two-piece telescoping disc and diaphragm assembly. When pressure is applied to the upper diaphragm chamber and released from the lower diaphragm chamber,
- Valve Size: 2 to 16 inch
- Features: Check Valves
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Supplier: Radwell International
Description: DISCONTINUED BY MANUFACTURER, RK 909M1-RT1-1/4-2, COMPLETE PARTS KIT FOR 1-1/4" THRU 2" 909 WATTS BACKFLOW PREVENTER, INCLUDES: THE RELIEF VALVE & THE CHECK VALVES: DISC ASSEMBLY, SEAT O-RINGS, RELIEF VALVE DIAPHRAGM & O-RINGS, PISTON O-RINGS & LUBRICANT. FREE 2
- Valve Type: Back Flow Preventer Assembly
- Features: Check Valves, Diaphragm Valves, Piston Valves, Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
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Supplier: SANDPIPER Pump
Description: FDA (Food & Drug Administration) Material Compliant Pumps are ideally suited for a variety of food processing, pharmaceutical and cosmetic industry applications. The pumps are available in 1" through 3" ball check valve designs and a 2" (line size solids handling) flap check
- Maximum Discharge Flow: 235 GPM
- Maximum Discharge Pressure: 666.6243643 psi
- Discharge Size: 1 to 3 inch
- Power Source: Air / Pneumatic
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Supplier: Pump Solutions Group
Description: CHEMIGATION PUMPS “VS-PUMPS”: Designed for thick fluids to 5000 CPS and light slurries Features Large internal porting with a large, single ball, suction check valve Teflon® diaphragm and viton “o” rings withstand most chemicals All 316SS wetted metal parts
- Pump Type: Diaphragm Pumps, Metering Pumps
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Supplier: Madden Manufacturing, Inc.
Description: features of the JR Series pumps: JR Series pumps are designed for especially low flow rates. Double ball checks with Teflon valve seats assure ±1% steady slate repeatable accuracy over a 10:1 turndown range. Manual output control knob is located on top of the pump for easy access.
- Pump Type: Diaphragm Pumps, Metering Pumps
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Supplier: Williams
Description: The pneumatic diaphragm metering pump consists of a liquid chamber and an air chamber separated by a diaphragm. In the liquid chamber, the suction (inlet) and discharge (outlet) ports have check valves that control the direction of the fluid flow. A pipe nipple connects
- Maximum Discharge Flow: 0.0125 to 2.8383333333333334 GPM
- Maximum Discharge Pressure: 73 to 98 psi
- Media Temperature: 40 to 185 F
- Power Source: Air / Pneumatic
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Supplier: Xiamen Landee Industries Co., Ltd.
Description: Carbon Steel PTFE-Lined Valves with Flanged Connection. Model Number: LD-013-QF Key Specifications/Special Features: Types: gate, globe, check, ball, butterfly, diaphragm, pipe fitting Manufacturing standards: API, ANSI, BS, DIN, JIS Size range: from 1/2 inch to 48 inches
- Valve Size: 0.5 to 48 inch
- Agency: ANSI, API, DIN
- Valve Type: Ball / Disk Check Valves
- Features: Butterfly Valves, Check Valves, Diaphragm Valves, Gate / Knife Valves, Globe Valves, Manual / Hand, Other
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Supplier: Chemac Inc./Uraca/Uhde HPT/Gather/BHDT
Description: valve (pulsation valve) PN 3200 with hydraulic actuator and electronic controller for use in low-density polyethylene plants Ball-type non-return valves, non-return valves with tearshaped cone or standard plate Safety valves, overflow valves Pressure gauge
- Media: Air, Gas, Water
- Features: Angle Valves, Butterfly Valves, Check Valves, Control Valves, Diaphragm Valves, Globe Valves, Piston Valves, Pressure Relief Valves
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Supplier: Mile-X Equipment, Inc.
Description: the requirements of any application. Safety — Bolted fasteners prevent fluid leaks harmful to workers and the environment Reliability — Unbalanced valve design eliminates valve centering and pump stall-outs, even under low air inlet pressure Durability — Diaphragms provide four
- Pump Type: Diaphragm Pumps
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Supplier: Mile-X Equipment, Inc.
Description: requirements of any application. Safety — Bolted fasteners prevent fluid leaks harmful to workers and the environment Reliability — Unbalanced valve design eliminates valve centering and pump stall-outs, even under low air inlet pressure Durability — Diaphragms provide four
- Pump Type: Diaphragm Pumps
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Supplier: OMEGA Engineering, Inc.
Description: The FPUDT1500 Series injector pumps feature a heavy-duty cartridge valve pumphead made of injection-molded polypropylene. The pump includes double-sealed PVDF cartridge valve fittings, FKM O-ring seals, ceramic ball checks, Hastelloy C valve springs, and a PTFE/EPDM
- Maximum Discharge Flow: 0.0058117850999999995 to 0.08321419575000001 GPM
- Maximum Discharge Pressure: 70 to 125 psi
- Discharge Size: 0.25 inch
- Media Temperature: 129.2 F
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Supplier: Flomatic Valves
Description: ACP - Accelerator Pilot in Unleaded Bronze. It is used in systems to control flow by applying an independent pressure to the diaphragm. Enables automatic control valves to rapidly vent water from control diaphragm, thus allowing quicker main valve opening. For reference
- Valve Size: 0.25 inch
- Primary Material: Brass / Bronze
- Valve Type: Solenoid Valves
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Supplier: Wanner Engineering, Inc.
Description: Versatile, Reliable Pumps for a Wide Range of Applications Hydra-Cell positive displacement diaphragm pumps feature a seal-less pumping chamber so there are no seals, packing or cups to leak or replace. The seal-less design and check valves enable Hydra-Cell to handle abrasives
- Maximum Discharge Flow: 1.6 GPM
- Maximum Discharge Pressure: 2,500 psi
- Discharge Size: 0.5 inch
- Media Temperature: 250 F
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Description: the control line. Remove the cover and spring. Remove the plug, diaphragm (piston), etc. Please be careful and do not damage the diaphragm. Check if the diaphragm and gasket are damaged, if not, please do not disassemble the internal parts. If you find that the
- Media: Air
- Valve Type: Control Valves, Directional Valves, Float Valves, Pressure Relief Valves
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current gas precharge pressure of an accumulator and also incorporate a gauge and check valve in the charging connection, and a manual bleed valve with a T-handle. Operating and installation instructions are included with each charging kit. The FPK250 kit also has Adapters for different connections. (read more)
Browse Hydraulic Accumulators Datasheets for HydraCheck Inc. -
/off control. Diaphragm & check valve combine for dripless dispensing Battery filling process had trace amounts of acid (read more)
Browse Diaphragm Valves Datasheets for Plast-O-Matic Valves, Inc. -
other substances into the potable water supply. Balancing Valve – A valve used to regulate and balance fluid flow in a hydronic heating or cooling system, ensuring even distribution and efficient operation. Ball Check Valve (read more)
Browse Water Valves Datasheets for McWane Plant and Industrial -
Continuous Degassing Valves Diaphragm Check Valves (read more)
Browse Instructional Seminars and Training Services Datasheets for Plast-O-Matic Valves, Inc. -
Diaphragm Shutoff Valve and Low Pressure Check Valve Combine for Dripless Dispensing A battery manufacturer uses a (read more)
Browse Datasheets for Plast-O-Matic Valves, Inc. -
). These units allow maintenance personnel to check the current gas precharge pressure of an accumulator and also incorporate a gauge and check valve in the charging connection, and a manual bleed valve with a T-handle. Operating and installation (read more)
Browse Hydraulic Accumulators Datasheets for HydraCheck Inc. -
parts include: Bellows Bulbs Bumpers Bushings Check balls Connector seals Convoluted boots Cups Diaphragms Gaskets Grommets Inflatable seals and shapes (read more)
Browse Solid Elastomeric Rings Datasheets for CT Gasket & Polymer Co., Inc. -
. Commonly requested custom parts include: Bellows Bulbs Bumpers Bushings Check balls Connector seals Convoluted boots Cups Diaphragms Gaskets Grommets (read more)
Browse Plastic Machining Services Datasheets for CT Gasket & Polymer Co., Inc. -
Piping Leaking Connections Weakened Connections Pipe Vibration and Noise Damaged Valves Damaged Check Valves Damaged Water Meters Damaged Pressure Regulators and Gages Damaged Recording Apparatus Loosened Pipe (read more)
Browse Pulsation Dampeners Datasheets for Plast-O-Matic Valves, Inc.
Conduct Research Top
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Diaphragm Check Valves
Purpose of a check valve - imagine having an employee who constantly closes a valve whenever he sees unwanted reverse flow in a piping system.
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Introduction to Check Valves
The patented diaphragm in the Plast-O-Matic True Blue Check Valve is designed to re-seat with a bubble tight seal regardless of mounting position or reverse flow. Ball style check valves require two properties to seal properly: First, the ball check must be mounted with the flow direction pointed
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Industry Solutions For The Most Common Solenoid Valve Challenges
, etc. If your solenoid valve is partly closing, it's important to check wirings, lead connections, components and diaphragm. 3. Burnt Coil. An overheated solenoid coil will "burn out" or short. Coils within the solenoid valves can burn out for a variety of reasons: Foreign material lodged
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3-A Authorization: Don't Compromise
The patented diaphragm in the Plast-O-Matic True Blue Check Valve is designed to re-seat with a bubble tight seal regardless of mounting position or reverse flow. Ball style check valves require two properties to seal properly: First, the ball check must be mounted with the flow direction pointed
More Information Top
Indicates content that may require registration and/or purchase.
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A Dictionary of Mechanical Engineering
In some designs, the nozzles are machined into the diaphragm. diaphragm check valve A non-return valve in which a flexible rubber diaphragm is placed in a mesh or perforated cone that points into the flow.
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non return flap valve - offers from non return flap valve manufacturers, suppliers, exporters & wholesalers
valves either side of the diaphragm ( check valve ,butterfly valves,flap valves,or any other form of shut-off valves) to ...
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Use of Engineering Controls and
Personal Protective Equipment by
Certified Pesticide Applicators
The use of induction bowls, container rinse systems, diaphragm check valves , hydraulic folding booms, multiple nozzle bodies, low-drift nozzles, air-induction nozzles, and tank rinse systems has not been fully investigated.
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Retrieval of an Inflatable Tubing Plug Using Only Slickline and Electric-Line Technology
The PST string was configured—including a top connecting swivel, two bailer sections, a ball check valve, another bailer section, a diaphragm check valve , and washover pipe—then rigged up and tested in the lubricator before running downhole, where fill was tagged at 18 …
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Fluid Mechanics Heat Transfer and Mass Transfer: Chemical Engineering Practice
check valve, tilting disk check valve, diaphragm check valve , and foot valve.
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Microfluidics Section: Design and Fabrication of Integrated Passive Valves and Pumps for Flexible Polymer 3-Dimensional Microfluidic Systems
Figure 2b illustrates the principle of operation of the diaphragm check valve which takes advantage of the relatively easy de¯ection of the thin (25±100 mm) PDMS membrane with slight difference in pressure.
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PVDF Miniature Check Valve 3 16 hose barb Viton diaphragm from Cole-Parmer
No, this is a diaphragm check valve .
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A Variable Rate, Direct Nozzle
Injection Field Sprayer
The sprayer had a Spraying Systems QJ8355-1/8-NYB diaphragm check valve nozzle body.
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Effect of Nozzle Type and Operation on Spray Droplet Size
Most nozzles tested were mounted onto no. 4664 or 4666 brass diaphragm check valves (Spraying Systems Co., Wheaton, Ill.) that were attached to the trailing edge of the boom through a 3 cm (1 1/4 in.) length of 1.0 cm outside …
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http://dspace.mit.edu/bitstream/handle/1721.1/59943/676918672-MIT.pdf?sequence=2
the second T-connector is connected a diaphragm check valve which allows air to .