Dual Check Valve definition

Dual Check Valve means a backflow prevention device consisting of two spring-loaded, independently acting check valves.
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Dual Check Valve means a backflow prevention device which contains two independently acting check valves and shall have plugged test ports for in-line testing.
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Dual Check Valve means a device consisting of two internally loaded soft- seated check valves. This device does not contain test ports and is acceptable for use only at the meter of residential customers.
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Examples of Dual Check Valve in a sentence

  • Any device installed to meet this policy must meet or exceed ANSI/ASSE Standard 1024, "Dual Check Valve Backflow Preventers." A single in-line or swing check valve installation cannot be considered adequate for backflow prevention.

  • An approved Dual Check Valve device consists of two (2) independently operating, spring loaded check valves.

  • Utah Code, Section 19-4-112(2) d, states, "There shall be no cross connections between thepotable and non-potable water systems." This ban on cross connections serves as primary protection of the public drinking water system and therefore, Dual Check Valve Devices used at the meter yoke of a non-industrial connection will be considered secondary protection.

  • A Dual Check Valve device may be installed, as a secondary protection method of the drinking water system, within the meter yolk of non-industrial, low hazard connections.

  • An application of a hose bibb vacuum breaker on a double hose connection.‌‌ Dual Check Valve The dual check valve is made up of two internally spring-loaded, independently operating check valves.

  • Brass Dual Check Valve with Tail Pipe and Male Threaded Ends – Lead FreeApproved Manufacturers/Products: (1) Ford (3/4” – 2”) - NL(2) Mueller (3/4”) – H14272NMR 7.

  • Brass Dual Check Valve (Straight, Cascading Style); Meter Swivel Nut & MIP; Lead FreeApproved Manufacturers/Products: (1) Ford HHA 38-323 NL(2) Mueller H-14272N MR 117.

  • It is recommended that each residential customer install a “Residential Dual Check Valve Backflow Preventer” in their water line downstream of their shutoff valve.

  • If a determination is made that a thermal expansion tank should be installed for the protection of the plumbing system, such installation should be done in conjunction with the Dual Check Valve and should be installed prior to transfer of the property.

  • Service line connections page 23Angle Ball, Angle Inverted Key or Angle Compression Inlet valves are available.Meter outlet valves include all available inlet valves plus: Single Check Valve Cascading Dual Check Valve Cartridge Dual Check ValveAll Ford Coppersetters are assembled with lead-free solder.The largest variety of service line connections in the waterworks industry.


More Definitions of Dual Check Valve

Dual Check Valve means a Backflow Preventer that consists of two force-loaded, soft-seated check valves in series with no relief port or test ports included;
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Dual Check Valve means a device consisting of two internally loaded soft-seated check
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Dual Check Valve means a type of backflow device manufactured pursuant to ASSE Standard 1024.
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Related to Dual Check Valve

  • Check valve or “anti-drain valve” means a valve located under a sprinkler head, or other location in the irrigation system, to hold water in the system to prevent drainage from sprinkler heads when the sprinkler is off.

  • Double check valve assembly means an assembly composed of two single, independently acting, check valves including tightly closing shutoff valves located at each end of the assembly and suitable connections for testing the water tightness of each check valve.

  • User seal check or "fit check" means an action conducted by the respirator user to determine if the respirator is properly seated to the face. Examples include negative pressure check, positive pressure check, irritant smoke check, or isoamyl acetate check.

  • CM means City Manager of COE appointed in terms of Section 82 of the Local Government: Municipal Structures Act 117 of 1998

  • E-Check means any check which You authorize the payee to process electronically. For joint accounts, read singular pronouns in the plural.

  • NI 81-102 means National Instrument 81-102 – Investment Funds.

  • NI 45-102 means National Instrument 45-102 – Resale of Securities;

  • SFTR means Regulation (EU) 2015/2365 of the European Parliament and of the Council of 25 November 2015 on transparency of securities financing transactions and of reuse and amending Regulation (EU) No 648/2012;

  • Asynchronous store and forward means the transmission of a patient's medical information from an originating site to the health care provider for telehealth at a distant site without the presence of the patient.

  • LOCKHEED XXXXXX means LOCKHEED XXXXXX CORPORATION, acting through its companies or business units as identified on the face of this Contract. If a subsidiary or affiliate of LOCKHEED XXXXXX CORPORATION is identified on the face of this Contract, then "LOCKHEED XXXXXX" means that subsidiary or affiliate.

  • Civil aircraft means any aircraft other than a public aircraft.

  • Acceptable earned value management system means an earned value management system that generally complies with system criteria in paragraph (b) of this clause.

  • Diameter at breast height (dbh) means the diameter of a tree at 4 1/2 feet above the ground measured from the uphill side.

  • Admin Fax Ext Admin Email: XXXXX@XXXXXXX.XXX Tech ID: 5372811-ERL Tech Name: EXAMPLE REGISTRAR TECHNICAL Tech Organization: EXAMPLE REGISTRAR LLC Tech Street: 000 XXXXXXX XXXXXX Xxxx Xxxx: ANYTOWN Tech State/Province: AP Tech Postal Code: A1A1A1 Tech Country: EX Tech Phone: +1.1235551234 Tech Phone Ext: 1234 Tech Fax: +1.5555551213 Tech Fax Ext: 93 Tech Email: XXXXX@XXXXXXX.XXX Name Server: NS01.EXAMPLEREGISTRAR.TLD Name Server: NS02.EXAMPLEREGISTRAR.TLD DNSSEC: signedDelegation DNSSEC: unsigned >>> Last update of WHOIS database: 2009-05-29T20:15:00Z <<< Registrar Data: Query format: whois “registrar Example Registrar, Inc.” Response format: Registrar Name: Example Registrar, Inc. Street: 0000 Xxxxxxxxx Xxx City: Marina del Rey State/Province: CA Postal Code: 90292 Country: US Phone Number: +1.0000000000 Fax Number: +1.3105551213 Email: xxxxxxxxx@xxxxxxx.xxx WHOIS Server: whois.example-registrar.tld Referral URL: xxxx://xxx.xxxxxxx-xxxxxxxxx.xxx Admin Contact: Xxx Registrar Phone Number: +1.3105551213 Fax Number: +1.3105551213 Email: xxxxxxxxxxxx@xxxxxxx-xxxxxxxxx.xxx Admin Contact: Xxxx Registrar Phone Number: +1.3105551214 Fax Number: +1.3105551213 Email: xxxxxxxxxxxxx@xxxxxxx-xxxxxxxxx.xxx Technical Contact: Xxxx Geek Phone Number: +1.3105551215 Fax Number: +1.3105551216 Email: xxxxxxxx@xxxxxxx-xxxxxxxxx.xxx >>> Last update of WHOIS database: 2009-05-29T20:15:00Z <<< Nameserver Data: Query format: whois “NS1.EXAMPLE.TLD”, whois “nameserver (nameserver name)”, or whois “nameserver (IP Address)” Response format: Server Name: NS1.EXAMPLE.TLD IP Address: 192.0.2.123 IP Address: 2001:0DB8::1 Registrar: Example Registrar, Inc. WHOIS Server: whois.example-registrar.tld Referral URL: xxxx://xxx.xxxxxxx-xxxxxxxxx.xxx >>> Last update of WHOIS database: 2009-05-29T20:15:00Z <<< The format of the following data fields: domain status, individual and organizational names, xxxxxxx, xxxxxx, xxxx, xxxxx/xxxxxxxx, postal code, country, telephone and fax numbers (the extension will be provided as a separate field as shown above), email addresses, date and times should conform to the mappings specified in EPP RFCs 5730-5734 so that the display of this information (or values return in WHOIS responses) can be uniformly processed and understood. In order to be compatible with ICANN’s common interface for WHOIS (InterNIC), WHOIS output shall be in the format outline above.

  • Self-Check means an integrated function that checks for a system failure on a continuous basis at least while the system is active.