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Supplier: FEBCO
Description: In-Line Design Double Check Valve Assemblies are designed to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They feature a Lead Free* cast copper silicon alloy body and threaded ball valve end
- Agency / Standard: ANSI, ASME, AWWA
- Connection: Bolt Flange, Union
- Material of Construction: Copper, Ductile Iron
- Media Description: Water, Potable Water
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Supplier: FluoroSeal, Inc.
Description: Double block and bleed Valves ISOLATE YOUR PROCESS, NOT YOUR BUDGET Long gone is the need for expensive double block and bleed systems. FluoroSeal® Double Block and Bleed Valves provide isolation on your line without the combined cost of a complex,
- Media: Water
- Valve Type: Plug Valves
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Description: Description The eccentric rotary plug control valve has a one-piece body design and connects by flanged(ASME Class150/PN25) or wafer type(ASME Class150/PN25). An eccentric plug valve is a type of rotary control valve which has a shaped plug. The plug doesn’t
- Valve Type: Directional Valves, Plug Valves
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Supplier: Watts
Description: Series 007 Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. It consists of a bronze (1/2 to 2 in) body construction that is easy to maintain and service. Series 007 is ideal at referenced cross-connections identified as
- Valve Size: 0.5000 to 2 inch
- Valve Type: Double Check Valves
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Supplier: Alfa Laval Inc.
Description: Ideal for handling sanitary process flows through matrix piping systems, SMP mixproof valves are standardized, cost-effective alternatives to Unique mixproof valves. Economic mixproof valves Alfa Laval offers two double-seal mixproof valves: The Alfa Laval SMP-BC
- Actuation: Pneumatic
- Media: Air
- Media Temperature: 14 to 284 F
- Pressure Rating: 0.0 to 145 psi
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Supplier: Conant Controls, Inc.
Description: Double Acting Pneumatic Operator A compact air-to-air valve actuator made of corrosion resistant materials. The double piston, double rack and pinion design proves to be durable and consistent in its range of torque output. This model operates on 60-120 PSI air
- Acting Type: Double Acting (Air to Air)
- Actuator Torque: 90 to 309 In-lbs
- Control Signal Input: Pressure Control Signal
- Full Range Of Rotary Motion: Quarter Turn ( 90 degrees)
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Description: – Large flow capacities and operating range – Resistant to processing system vibration – Low emissions and zero leakage options A double-seated control valve combines excellent high-pressure drop control performance along with the ability to handle dirty fluid
- Media: Steam
- Valve Type: Control Valves, Directional Valves, Globe Valves
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Supplier: Prince Manufacturing Corp.
Description: FUNCTION The PRINCE valve model DS is a manual 6-way 2 position double selector valve. This valve will divert the flow going to two separate hydraulic circuits. For example two double acting cylinders or two reversible hydraulic motors can be operated by one
- Number of Ports/Ways: 6
- Pressure Rating: 2500 psi
- Valve Size: 0.7500 inch
- Valve Type: Spool Valves
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Supplier: Prince Manufacturing Corp.
Description: FUNCTION The PRINCE valve model DRV is a differential poppet type double relief. This valve uses the same relief cartridge as the model RV. The double relief is used in systems that require cross over relief protection such a reversible hydraulic motor, or
- Actuation: Other
- Number of Ports/Ways: 3
- Pressure Rating: 3000 psi
- Valve Type: Pressure Relief Valves
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Supplier: Prince Manufacturing Corp.
Description: FUNCTION The PRINCE valve model SS is a manual 3-way 2 position selector valve. This valve will allow one pump source to supply two circuits. With the standard selector spool pulling the spool out diverts oil to port nearest handle, pushing the spool in diverts oil to the
- Number of Ports/Ways: 3
- Pressure Rating: 2500 psi
- Valve Size: 0.5000 inch
- Valve Type: Spool Valves
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Supplier: Atos North America
Description: DPHI, DPHE and DPHER are spool type, two or three position, two stage directional solenoid valves. They are operated by a direct solenoid pilot valve available in three different executions: DHI suitable for AC and DC supply with cURus certified solenoids DHE
- Actuation: Electric
- Number of Ports/Ways: 2
- Pressure Rating: 5076 psi
- Valve Size: 0.3937 to 1.26 inch
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Description: Description The eccentric rotary plug control valve has a one-piece body design and connects by flanged(ASME Class150/PN25) or wafer type(ASME Class150/PN25). An eccentric plug valve is a type of rotary control valve which has a shaped plug. The plug doesn’t
- Valve Type: Directional Valves, Plug Valves, Shut Off Valves
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Supplier: Atos North America
Description: DPHI, DPHE and DPHER are spool type, two or three position, two stage directional solenoid valves. They are operated by a direct solenoid pilot valve available in three different executions: DHI suitable for AC adn DC supply with cURus certified solenoids DHE
- Actuation: Electric
- Number of Ports/Ways: 2
- Pressure Rating: 5076 psi
- Valve Size: 0.3937 to 1.26 inch
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Supplier: Alfa Laval Inc.
Description: -lift cleaning operations are being conducted in the other portion of the valve – all without any risk of cross-contamination. The double tangential design of the valve body ensures full drainability, especially when the valve is mounted at the bottom of a
- Valve Type: Sanitary / Hygienic Valves, Other
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Supplier: Watts
Description: Series 719 Double Check Valve Assemblies are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements. It consists of a bronze alloy body construction and chloramine resistant
- Material of Construction: Brass / Bronze
- Valve Size: 0.5000 to 2 inch
- Valve Type: Double Check Valves
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Supplier: Watts
Description: Series 2000B Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. It consists of a bronze body construction that is easy to maintain and service. Series 2000B is ideal at referenced cross-connections identified as non-health
- Material of Construction: Brass / Bronze
- Valve Size: 0.5000 to 2 inch
- Valve Type: Double Check Valves
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Supplier: Watts
Description: Series 774 Double Check Valve Assemblies prevent the backflow of polluted water from entering into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body and
- Material of Construction: Stainless Steel
- Valve Size: 2.5 to 12 inch
- Valve Type: Double Check Valves
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Supplier: Alfa Laval Inc.
Description: feature two independent plugs, which means that a single Unique mixproof valve can often replace two or more valves of other types. Exceptional spillage-free operation A state-of-the-art double-seat design provides long-lasting, spillage-free operation thus
- Actuation: Pneumatic
- Media: Air, Compressed Air
- Media Temperature: 23 to 257 F
- Pressure Rating: 0.0 to 145 psi
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Supplier: Alfa Laval Inc.
Description: -free operation A state-of-the-art double-seat design provides long-lasting, spillage-free operation thus minimizing the risk of product contamination. The use of double lip seals provides added protection to ensure safe and hygienic operation. Easy valve to maintain and
- Actuation: Pneumatic
- Media: Air, Compressed Air
- Media Temperature: 23 to 257 F
- Pressure Rating: 0.0 to 145 psi
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Supplier: Carr Lane Manufacturing Co.
Description: Use individual clamping valves to clamp several workpieces independently with a single power source. 4-Way Clamping Valves can be used to control either double-acting or singleacting clamps. These high-quality valves have a zero-leakage poppet design, with
- Actuation: Electric
- Number of Ports/Ways: 4
- Pressure Rating: 7500 psi
- Valve Size: 0.2500 inch
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Supplier: DeZURIK, Inc.
Description: creates a positive shut-off against flow reversal and minimizes system surges and water hammer. The low weight and short laying length of the CDD Double Door Check Valve saves initial cost, requires less space, and is easier to install when compared to full-body, swing-type
- Valve Type: Check Valves
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Supplier: DeZURIK, Inc.
Description: Double Wall Sleeves are designed for extremely abrasive slurries. The Double Wall Sleeve has triple the thickness of elastomer than a Standard Sleeve. The next larger valve size must be used with the double wall to maintain a full-port due to the additional
- Valve Type: Pinch Valves
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Supplier: Carr Lane Manufacturing Co.
Description: Use individual clamping valves to clamp several workpieces independently with a single power source. 4-Way Clamping Valves can be used to control either double-acting or single-acting clamps. These high-quality valves have a zero-leakage poppet design, with
- Actuation: Manual / Hand
- Connection: Threaded
- Pressure Rating: 7500 psi
- Valve Size: 0.2500 inch
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Supplier: Pneumadyne, Inc.
Description: Cost effective, space saving solution for the use of single or multiple valves. A wide variety of connector, electrical and mounting options are available to accommodate numerous applications. Convenient Line & 90° Connectors (both with LED) provide quick electrical connection when
- Connection: Threaded
- Flow (Cv): 0.2000
- Media Temperature: -20 to 160 F
- Pressure Rating: 125 psi
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Supplier: DeZURIK, Inc.
Description: The DeZURIK Double Block & Bleed Knife Gate Valve is based on the successful KSV Severe Service Knife Gate Valve design. It combines two ASME Class 150 or 300 pressure rated knife gate valves into a single unit with a single actuator and a central
- Primary Material of Construction: Stainless Steel
- Valve Type: Block and Bleed Valves, Gate / Knife Valves
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Supplier: Zurn Industries LLC
Description: The Zurn Wilkins 350A Double Check Valve Backflow Preventer provides low hazard protection for all market segments. The grooved, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility. To view all options, see the
- Back Flow Preventer Assembly: Yes
- Media Description: Water
- Valve Type: Double Check Valves
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Supplier: Victaulic Co. of America
Description: Utilizes a spring-assisted, double disc design that achieves drop tight sealing Can be installed in both horizontal or vertical flow up positions Sizes from 14 – 24? | DN350 -DN600 Pressures up to 230 psi | 1586 kPa | 16 bar
- Pressure Rating: 230 psi
- Primary Material of Construction: Ductile Iron
- Valve Size: 14 to 24 inch
- Valve Type: Check Valves
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Supplier: Plast-O-Matic Valves, Inc.
Description: Series BST/BLT/BAT Heavy duty, million-cycle designs with oversized isolated springs and pistons, visual indicator windows and the patented Fail-Dry early warning vent. Offered in a wide range of sizes and materials; configurations include fail-safe spring return, air x air operation, or
- Actuation: Other
- Flow (Cv): 8.5 to 60
- Media: Other
- Number of Ports/Ways: 2
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Supplier: CIRCOR Energy
Description: The Double Acting valve actuator achieve torques to 37,200 in.-lbs. at 80 PSIG and the Spring Return Fail Safe actuators to 20,748 in.-lbs. spring end torque. Standard actuators are rated -10°F to 195°F and optional high and low temp seals and bearings are available for
- Actuation Method: Pneumatic
- Actuator Torque: Up to 20748 In-lbs
- Air Supply Pressure: 150 psi
- Full Range Of Rotary Motion: Quarter Turn ( 90 degrees), Nominal 180 degrees
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Supplier: Rotolok Valves, Inc.
Description: Suitable for discharge dry dust, powder, granules and fibrous materials from cyclones, filters, hoppers etc., whilst maintaining an effective airlock. The valve consists of two flaps connected by counterweights or spring loaded spindles, which are operated by means of a motor driven
- Application / Operation: Process / Bin Discharging
- Feeder Type: Star Feeder / Rotary Airlock
- Material Characteristics: Dry / Free Flowing
- Material Type: Other
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Supplier: Spirax-Sarco
Description: The Spirax SafeBloc TM is a double block and bleed bellows sealed stop valve, accommodated within the same face-to-face dimension of a single valve. It has been designed for use as an in-line double isolation valve on steam, gas, liquid, condensate
- Connection: Bolt Flange
- Number of Ports/Ways: 2
- Pressure Rating: 740 psi
- Valve Size: 0.5000 to 4 inch
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Supplier: Ames Fire & Waterworks
Description: Series 2000B Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. It consists of a bronze body construction that is easy to maintain and service. Series 2000B is ideal at referenced cross-connections identified as non-health
- Back Flow Preventer Assembly: Yes
- Material of Construction: Brass / Bronze, Stainless Steel
- Media Description: Water, Hot Water, Cold Water, Potable Water
- Media Temperature: 33 to 140 F
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Supplier: Ames Fire & Waterworks
Description: Series 2000SS Double Check Valve Assemblies prevent the backflow of polluted water from entering into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body and
- Back Flow Preventer Assembly: Yes
- Material of Construction: Stainless Steel
- Media Description: Water, Hot Water, Cold Water, Potable Water
- Media Temperature: 33 to 110 F
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Supplier: Quarter Turn Valve
Description: ? BRASS FULL FLOW BALL VALVE ? 2-WAY NORMALLY CLOSED PATH ? DOUBLE ACTING ? 1/4" NPTF BALL VALVE ? SINGLE SOLENOID GENERAL PURPOSE VALVE 120/60VAC
- Actuation: Pneumatic
- Number of Ports/Ways: 2
- Primary Material of Construction: Brass / Bronze
- Valve Size: 0.2500 inch
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Supplier: Quarter Turn Valve
Description: ? STAINLESS STEEL FULL FLOW BALL VALVE ? 2-WAY NORMALLY CLOSED PATH ? DOUBLE ACTING ? 2-1/2" NPTF BALL VALVE ? SINGLE SOLENOID GENERAL PURPOSE VALVE 120/60VAC
- Actuation: Pneumatic
- Number of Ports/Ways: 2
- Primary Material of Construction: Stainless Steel
- Valve Size: 2.5 inch
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Supplier: Quarter Turn Valve
Description: ? BRASS FULL FLOW BALL VALVE ? 2-WAY NORMALLY CLOSED PATH ? DOUBLE ACTING ? 3/4" NPTF BALL VALVE ? SINGLE SOLENOID GENERAL PURPOSE VALVE 120/60VAC
- Actuation: Pneumatic
- Number of Ports/Ways: 2
- Primary Material of Construction: Brass / Bronze
- Valve Size: 0.7500 inch
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Supplier: Quarter Turn Valve
Description: ? STAINLESS STEEL FULL FLOW BALL VALVE ? 2-WAY NORMALLY CLOSED PATH ? DOUBLE ACTING ? 1/2" NPTF BALL VALVE ? SINGLE SOLENOID GENERAL PURPOSE VALVE 120/60VAC
- Actuation: Pneumatic
- Number of Ports/Ways: 2
- Primary Material of Construction: Stainless Steel
- Valve Size: 0.5000 inch
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Supplier: Carr Lane Manufacturing Co.
Description: Use individual clamping valves to clamp several workpieces independently with a single power source. 4-Way Clamping Valves can be used to control either double-acting or singleacting clamps. These high-quality valves have a zero-leakage poppet design, with
- Actuation: Pilot Operated
- Number of Ports/Ways: 4
- Pressure Rating: 7500 psi
- Valve Size: 0.2500 inch
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Supplier: Carr Lane Manufacturing Co.
Description: Use individual clamping valves to clamp several workpieces independently with a single power source. 4-Way Clamping Valves can be used to control either double-acting or singleacting clamps. These high-quality valves have a zero-leakage poppet design, with
- Actuation: Pilot Operated
- Connection: Threaded
- Pressure Rating: 7500 psi
- Valve Size: 0.2500 inch
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Supplier: Ames Fire & Waterworks
Description: Series LF2000B Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. It consists of a Lead Free* cast silicon copper alloy body construction that is easy to maintain and service. Series LF2000B is ideal at referenced
- Back Flow Preventer Assembly: Yes
- Material of Construction: Copper
- Media Description: Water, Hot Water, Cold Water, Potable Water
- Media Temperature: 33 to 140 F
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Supplier: Prince Manufacturing Corp.
Description: FUNCTION The PRINCE valve model RD-1400 is a double pilot-operated lock valve. This valve will lock a cylinder in place when a directional control valve is in the neutral position. In operation oil is directed to one of the valve ports
- Actuation: Pilot Operated
- Number of Ports/Ways: 4
- Pressure Rating: 3000 psi
- Valve Size: 0.5000 inch
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Supplier: Zurn Industries LLC
Description: The Zurn Wilkins 350A Double Check Valve Backflow Preventer provides low hazard protection for all market segments. The grooved, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility. To view all options, see the
- Back Flow Preventer Assembly: Yes
- Media Description: Water
- Valve Type: Double Check Valves
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Supplier: Zurn Industries LLC
Description: The Zurn Wilkins 350A Double Check Valve Backflow Preventer provides low hazard protection for all market segments. The grooved, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility. To view all options, see the
- Back Flow Preventer Assembly: Yes
- Media Description: Water
- Valve Type: Double Check Valves
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Angle and Inline Valves Options Guide
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KENT Systems: A Comparison
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More Information Top
Indicates content that may require registration and/or purchase.
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Edge-to-Edge Mitral Repair
For the central valve regurgitation, this technique produces a double valve orifice (Fig. 4.6a).
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Cardiac CT and MR for Adult Congenital Heart Disease
… mon atrium caused by absence of interatrial septation, the parachute insertions of part of the tensor apparatus of the common AV valve, tetral- ogy of Fallot with double outlet right ventricle [18], and the presence of double valve orifices both in half …
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Aortic Root Surgery
Double valve endocarditis and evolving paraannular abscess formation . . . . . . . . . . . . . . . . . .
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Cardiovascular Medicine
In the case of the double valve replacement, the prosthetic mitral valve may be inadvertently placed in such a way as to interfere with proper seating of the poppet of the prosthetic aortic valve.
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AWWA M14 - Recommended Practice for Backflow Prevention and Cross-Connection Control
Discharge of a jockey pump must be on the downstream side of any check double valve valve, check assembly, or reduced-pressure principle backflow-prevention assembly as appropriate by class.
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Chrysler Engines, 1922-1998
Double valve springs with a damper between the coils forboth the intake and exhaust valves pushed the valve bounce speed to beyond the normal operating range of the engine.
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CR4 - Thread: Double Block and Bleed Valves Arrangment
From the sounds of your description the a double valve and vent is set up on both sides or your control valve so the control valve itself can be pulled safely while still operating the system.
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Double Orifice Mitral and Tricuspid Valves
Eval- uation of the tricuspid valve revealed a double valve with thin leaflets.
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Tank Waste Remediation System (TWRS) Final Safety Analysis Report (FSAR)
incblaeq items sucb as verification of correct pump and correct valve ali-entl Install aeveground la%ling of Supmrts radiation surveillance acdvity. dir�t-btaie tsmgl' e-walled) piping Perform double valve ixlation on Prevents miennqfers into waste transfer-asuiated interconnected lines enletltres. . qvating …
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Staged total percutaneous treatment of aortic valve pathology and mitral regurgitation: Institutional experience
Recruitment flowchart - Patient recruitment flowchart for percutaneous double valve treatment in our institution, PMVR, percutaneous mitral valve repair.