10 CFR 429.51 - Commercial pre-rinse spray valves.

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§ 429.51 Commercial pre-rinse spray valves.

(a) Sampling plan for selection of units for testing.

(1) The requirements of § 429.11 apply to commercial prerinse spray valves; and

(2) For each basic model of commercial prerinse spray valve, a sample of sufficient size must be randomly selected and tested to ensure that any represented value of flow rate must be greater than or equal to the higher of:

(i) The mean of the sample, where:

and, x
is the sample mean;
n is the number of samples; and
xi is the i th sample; Or,

(ii) The upper 95-percent confidence limit (UCL) of the true mean divided by 1.10, where:

and, x
is the sample mean;
s is the sample standard deviation;
n is the number of samples; and
t0.95 is the t statistic for a 95-percent two-tailed confidence interval with n-1 degrees of freedom (from Appendix A of this subpart).

(b) Certification reports.

(1) The requirements of § 429.12 are applicable to commercial prerinse spray valves; and

(2) Pursuant to § 429.12(b)(13), a certification report must include the following public product-specific information: The flow rate, in gallons per minute (gpm), rounded to the nearest 0.01 gpm, and the corresponding spray force, in ounce-force (ozf), rounded to the nearest 0.1 ozf.

[76 FR 12451, Mar. 7, 2011; 76 FR 24779, May 2, 2011, as amended at 78 FR 62986, Oct. 23, 2013; 80 FR 81453, Dec. 30, 2015; 81 FR 4801, Jan. 27, 2016]

Title 10 published on 2015-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 10 CFR Part 429 after this date.

  • 2015-11-27; vol. 80 # 228 - Friday, November 27, 2015
    1. 80 FR 74020 - Energy Conservation Program: Test Procedures for Portable Air Conditioners
      GPO FDSys XML | Text
      DEPARTMENT OF ENERGY, 10 CFR Parts 429 and 430
      Supplemental notice of proposed rulemaking.
      DOE will accept comments, data, and information regarding this SNOPR, submitted no later than December 28, 2015. See section V, “Public Participation,” for details.
      10 CFR Part 429