Pumps designed under API requirements

“Hydrogas” Company has been manufacturing a line of oil pumps designed in accordance with API requirements since 2012.

 

Production of chemical pumps has been one of the manufacturing priorities.

The needs of oil and petrochemical companies for state-of-the-art pumping equipment that would meet the highest requirements of domestic and international standards (API 610\ISO13709\GOST32601-2013) have shaped a new priority: development and manufacture of centrifugal pumps designed under the requirements of the API/ISO standards for the technological processes used in oil, petrochemical and gas industries. The main function of these pumps is to ensure operational safety which defines the development and manufacturing characteristics.

The major tasks solved by these pumps are:

• Safety of oil-refining processes;
• Reliability of pumps;
• Compatibility of pumps designed by different manufacturers (body materials, structural features, etc);
• Standardization of pump units (end face mechanical seal chambers, etc);
• Simplification of development and design of pumps and systems.  

 

Type of pump	Flow m³/h	Head, m	ISO Marking	Motor Speed, rpm
NA 1,5/70	1,5	70	two-stage.	2950
NA 3/65	3	65	two-stage.	2950
NA 6,3/32	6,3	32	40-25-160	2950
NA 6,3/50	6,3	50	-	2950
NA 6,3/80	6,3	80	two-stage.	2950
NA 6,3/100	6,3	100	two-stage.	2950
NA 12,5/32	12,5	32	50-32-160	2950
NA 12,5/50	12,5	50	50-32-200	2950
NA 12,5/80	12,5	80	two-stage.	2950
NA 25/32	25	32	65-50-160	2950
NA 25/50	25	50	65-40-200	2950
NA 25/80	25	80	two stage.	2950
NA 25/100	25	100	two-stage.	2950
NA 50/32	50	32	80-65-160	2950
NA 50/50	50	50	80-50-200	2950
NA 50/80	50	80	80-50-250	2950
NA 50/100	50	100	two-stage.	2950
NA 70/80	70	80	80-50-250	2950
NA 100/32	100	32	100-80-160	2950
NA 100/50	100	50	100-65-200	2950
NA 100/80	100	80	100-65-250	2950
NA 100/100	100	100	100-65-250	2950
NA 50/120	50	120	two-stage.	2950
NA 50/150	50	150	three-stage.	2950
NA 50/200	50	200	four-stage.	2950
NA 50/250	50	250	five-stage.	2950
NA 50/300	50	300	six-stage.	2950
NA 50/350	50	350	seven-stage.	2950

 

 

NA 25/100 Motor Pump Flow – 25 m3 per hour; Head – 100 meters; Material of Construction: Stainless Steel

NA 35/250 Motor Pump Flow – 35 m3 per hour; Head – 250 meters; Material of Construction: Carbon Steel

 

 

Selected properties of pumps designed under API 610\ISO13709\GOST32601-2013 include:

• pump barrel withstands pressure over 4 MPa. Wall thickness of the barrel is designed to ensure allowable corrosion wear up to 3 mm over the pump’s service life;
• bearing system service life over 25.000 hours of continuous operation;
• materials used in the pumps conform to grades as defined by the standards;
• mechanical seals and seal flush systems under API 610\ISO13709\GOST32601-2013 standards;
• use of spark-proof labyrinth seals;
• pump shafts and motor are connected by a steel diaphragm coupling with a spacer to ensure the possibility of replacing the sealing without disconnecting the pump from the piping systems;
• pump frame is fitted with a pan to collect leakage liquid. All leakages are localized within the span of the baseplate;
• minimum vibration level – root mean square value of speed 3 mm/s or less;
• rotor dynamic balancing – balance grade G2.5 GOST/ISO1940-1.