Components must be tested at a minimum of 1.5 times the maximum allowable working pressure (MAWP) for at least 30 minutes.
: Specifies heavy-duty castings and robust materials like stainless steel or super duplex to handle corrosive and abrasive fluids.
Mechanical shaft seals must be cartridge-type and provided in accordance with API 682. Testing Protocols:
: Standardized datasheets for purchasers to specify technical requirements. Api 676 4th Edition Pdf
Manufacturers must provide data on speed, discharge/suction pressure, power, and capacity at various operating points.
Rotary vane pumps with vanes in the rotor (VR) or stator (VS). Lobe Pumps: Single (LS) or multiple (LM) lobe designs.
Subscription advantages. Publication date 2022-02 Information. FOURTH EDITION, FEBRUARY 2022. Original language English Pages 101. Positive Displacement Pumps—Rotary Components must be tested at a minimum of 1
The details critical engineering specifications that manufacturers must meet:
The standard covers a wide variety of rotary pumps, including types.
API 676 is a standard that specifically addresses positive displacement pumps, which are a type of pump that uses a reciprocating or rotary motion to displace fluid. Positive displacement pumps are widely used in the oil and gas industry for various applications, including crude oil production, refining, and petrochemical processing. The standard provides guidelines for the design, materials, fabrication, testing, and documentation of positive displacement pumps to ensure their reliability, safety, and performance. Lobe Pumps: Single (LS) or multiple (LM) lobe designs
Prices range between for a single-user PDF. Corporate site licenses are available.
If you have the 3rd edition, the 4th includes:
The document is ~120 pages. Do not read it cover to cover. Use this roadmap: