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Supplier: Check-All Valve Mfg. Co.
Description: materials and cracking pressures to choose from. Note: Please take precautionary measures when welding to prevent heat build-up and possible damage to the valve seat. Available Materials: 316/316L Stainless Steel (SS) Alloy B (HB) Carbon Steel (CS) Alloy C-276 (HC) Alloy 20 (A2) MONEL® (MO)
- Media: Air, Chemical, Hydraulic Fluid, Water, Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Steam, Other
- Valve Size: 0.7500 inch
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Supplier: Check-All Valve Mfg. Co.
Description: The Tubing Check Valve-Flared is a three piece constructed valve with 37º flared ends which conform to J. I. C. and S. A. E. Hydraulic Standards. These valves are designed for maximum flow with minimal pressure drop. Available Materials: 316 Stainless Steel (SS) Brass (BR) Carbon Steel (CS)
- Media: Air, Chemical, Hydraulic Fluid, Water, Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Steam, Other
- Valve Size: 0.2500 inch
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Supplier: Check-All Valve Mfg. Co.
Description: Flange Insert valves are the ultimate check valves in flanged systems. They provide the simplest most economical way to install check valves in a piping system, the valve body automatically positions the valve and holds it in place while bolts are being installed and tightened. All that is required
- Media: Air, Chemical, Hydraulic Fluid, Water, Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Steam, Other
- Valve Size: 8 inch
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Supplier: Check-All Valve Mfg. Co.
Description: For over 35 years, the compact, fluoropolymer (PTFE/FEP/PFA), Sanitary Insert Valve has been used as the most economical solution to providing a check valve in a new or existing sanitary piping system. This valve style is designed to fit into grooved-end clamp-type fittings. Since the Sanitary
- Media: Air, Chemical, Water, Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Steam, Other
- Valve Size: 1 inch
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Supplier: Beswick Engineering Co., Inc.
Description: The check valve permits free flow in one direction and no (checked) flow in the opposite direction. This valve is specified in many applications because of its very low cracking pressure (typically less than 0.5 psig), its excellent repeatability, and leak-tight operation. The unique design of the
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Supplier: Mueller Steam Specialty
Description: Designed to prevent surge, backflow, and water hammer in liquid service. These check valves are available in cast iron, bronze or stainless steel, pressure and temperature conditions will dictate the appropriate body material. For air and gas applications, consult factory.
- Connection: Threaded
- Material of Construction: Brass / Bronze, Cast Iron, Stainless Steel
- Media: Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases
- Pressure Rating: 200 to 600 psi
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Supplier: HVACQuick.com
Description: WaiWela water heater by Paloma - Natural Gas. Includes 1 bath remote control, wall mount, and ZURN P1000A pressure relief valve. 199,900 Btu/Hr. WaiWela water heaters by Paloma Industries, the #1 gas appliance manufacturer in Japan. The residential model PH28 incorporates TWO
- Heater Type: Water Heater
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North American natural gas production expands to secure energy independence, extraction safety demands absolute mechanical reliability. Modern wellhead systems utilize downhole electric submersible pumps (ESPs) and intricate sensor (read more)
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to API 610, 10th ED. Series NCR The DICKOW-pumps, type NCR, are heavy duty centrifugal pumps for petroleum, petrochemical and natural gas industries. The pumps are designed and manufactured according to API 610, 10th ed. / ISO 13709. This international standard specifies (read more)
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– Uses a ball as the check mechanism to prevent backflow. Ball Valve – A valve with a spherical closure element that rotates to open or close the flow path. Butterfly Valve – A (read more)
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Indicates content that may require registration and/or purchase.
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States > New Jersey > State > Statutes > Title 45 - Professions and Occupations > 16A - Heating‚ Ventilating‚ Air Conditioning and Refrigeration Co...
natural or manufactured gas piping on the load side of a meter; supply water piping to equipment being served from an existing dedicated source connected downstream from an approved backflow preventer , except in replacement cases, the installation of the required approved backflow…
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States > Texas > State > Register > 2015 > 06/05/2015
…back-pressure, and back siphonage; (B) demonstrate an understanding of degree of hazard such as toxic, nontoxic, polluted, and contaminated; and (C) demonstrate an understanding of cross connection protection such as air gap, reduced pressure zone backflow preventer , double check valve assembly .... (13) The student understands and applies how to size, in- stall, and test a natural gas system according to plumbing code.
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States > Texas > State > Register > 2015 > 12/18/2015
…back-pressure, and back siphonage; (B) demonstrate an understanding of degree of hazard such as toxic, nontoxic, polluted, and contaminated; and (C) demonstrate an understanding of cross connection protection such as air gap, reduced pressure zone backflow preventer , double check valve assembly .... (13) The student understands and applies how to size, in- stall, and test a natural gas system according to plumbing code.
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States > Maryland > State > Statutes > Business Occupations and Professions > Title 12
(2) "Provide natural gas services" does not include the installation, maintenance, extension, alteration, or removal of any of the following with respect to the plumbing water supply and drainage system:. .... (ii) operational devices, including aerators, backflow preventers , expansion tanks, filters, flow controls, heat exchangers, interceptors, meters, separators, and relief valves.
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AWWA M14 - Recommended Practice for Backflow Prevention and Cross-Connection Control
…may include water from another water purveyor’s public potable water supply or any natural source(s), such .... Backfiow The undesirable reversal of flow of a liquid, gas , or other substance in a potable water .... Backflow preventer An assembly, device, or method that prohibits the backflow of water into potable water supply systems.
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States > Maine > State > Regulations > 2 - Professional and Financial Regulation‚ Department of > 2-658 - Fuel Board‚ Maine > [658 CofMR appi] Appe...
Install backflow preventer . .... Install safety devices that are not propane and natural gas specific.
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Safety analysis report for the Heavy-Element Facility (Building 251), Lawrence Livermore National Laboratory
Double check-valve backflow preventers are provided on the nitrogen. .... Seismic shut-off valves and safety regulators are on all natural gas .