3175.47 Differential primary devices other than flange-tapped orifice plates.§ 3175.47 Differential primary devices other than flange-tapped orifice plates.
A make, model, and size of differential primary device listed at www.blm.gov is approved for use if it is installed, operated, and maintained in compliance with any applicable conditions of use identified on www.blm.gov for that device. Approval of a particular make and model is obtained as follows:
(a) All testing required under this section must be performed at a qualified test facility not affiliated with the primary device manufacturer.
(b) The primary device must be tested under API 22.2 (incorporated by reference, see § 3175.30).
(c) The operator must submit to the BLM all test data required under API 22.2 (incorporated by reference, see § 3175.30). (The manufacturer of the primary device may submit such information instead of the operator.)
(d) The PMT will review the test data to ensure that the primary device meets the requirements of API 22.2 (incorporated by reference, see § 3175.30) and § 3175.31(c) and (d) and make a recommendation to the BLM to either approve use of the device, disapprove use of the device, or approve its use with conditions.
(e) If the primary device is approved by the BLM, the BLM will add the approved make and model, and any applicable conditions of use, to the list maintained at www.blm.gov.