【国外标准】 Standard Specification for Faucets, Single and Double, Compression and Self-Closing Type, Shipboard

This specification covers single- and double compression and self-closing faucets for shipboard plumbing installations. Faucets may be classified into nine types: Type I is the standard (bibb) with three classes namely Class A (compression, plain end), Class B (compression, hose end), and Class C (self-closing); Type II is a lavatory, self-closing, low spout faucet with two classes which are Class A (fast-closing) and Class B (slow-closing, depression type); Type III is a folding lavatory,self-closing faucet; Type IV is an elbow operated faucet, Type V is a faucet with lavatory, combination water supply and drain fixture; Type VI is a faucet with combination supply fixture swing spout for use on galley sinks; Type VII is a faucet with single supply fixture swing spout for use with steam kettles and urns and this type has two classes namely Class A which has spout for overhead supply and Class B which has spout for riser supply; Type VIII is a faucet with supply fixture for pressed metal and shock mounted china lavatories; and Type IX which is a faucet with lavatory and combination of water supply and drain fixtures. Faucet bodies shall be made of bronze and handles shall be of commercial grade cast or forged brass or bronze. Bonnets, handwheels, and nuts shall be of commercial quality brass or bronze; machine screws shall be made of commercial brass. Seat washers shall be of a rubber or fiber material and suitable for a certain water temperature range without deterioration of material. Springs for self-closing faucets shall be of corrosionresisting steel, phosphor bronze, or nickel copper. All samples shall be subjected to a hydrostatic test.1.1 This specification covers single- and double-compression and self-closing faucets for shipboard plumbing installations.1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.3 The following precautionary caveat pertains only to the test methods portion, Section 10, of this standard. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.