PN-L Series

Ultrahigh Flow, High Pressure Packed Plunger Metering Pumps

Maximum Flow Rate:
- Up to 5722 L/h (Simplex)
- Up to 11445 L/h (Duplex)
Maximum Pressure: Up to 250 kg/cm²g
API 675 Compliant

Flow Rates up to 11,445 l/h

Available in simplex and duplex configurations, the pump delivers flow capacity for large-scale chemical dosing and process applications.

Handles Pressures up to 250 kg/cm²g

Built for demanding industrial environments, providing reliable metering performance even in high-pressure systems.

API 675 Precision and Accuracy

Conforms to API 675 requirements and delivers ±1% flow accuracy, ensuring precise and dependable chemical injection.

Advanced Stroke Adjustment Technology

Minimizes pulsation and hydraulic shock while allowing precise, secure flow adjustments from 0% to 100%, whether running or stopped.

Built for Challenging Process Conditions

Designed to pump liquids up to 120°C and viscosities up to 1800 cps, making it suitable for a wide range of industrial applications.

Durable Construction for Long-Term Reliability

Corrosion-resistant SS316 wetted parts, a 50 mm stroke length, threaded connections, and oil-bath lubrication for extended service life and reduced maintenance.

Liquid end construction

Components	Materials
Liquid end body	SS 316
Plunger	SS 316
Valve body	SS 316
Balls	SS 316
Packing	PTFE braided rope

Characteristics of motors

Standard Motor Data:

Motor Power: 1.5 / 2.2 /3.7 kW
Power Supply: 415V – 50 Hz – 3 phase
Degree of protection: IP 55
Insulation: class F
Motor Speed: 1440 rpm (150 spm, 180 spm) / 970 rpm (100 spm, 120 spm)
Enclosure: TEFC

Options:

Flame/Explosion proof motors

Performances (Simplex)

Pump model	Flow max. (l/h)	Pressure max. (kg/cm2g)			Stroke speed (spm)	Stroke length (mm)	Plunger Ø (mm)	End Connections (Suction & Discharge)
Pump model	Flow max. (l/h)	2 HP	3 HP	5 HP	Stroke speed (spm)	Stroke length (mm)	Plunger Ø (mm)	End Connections (Suction & Discharge)
20A	84.8	195	250	-	100	50	20	½” BSP (M)
20B	101.7	165	250	-	120	50	20	½” BSP (M)
20C	127.2	130	195	250	150	50	20	½” BSP (M)
20D	152.6	105	160	250	180	50	20	½” BSP (M)
25A	132.5	130	160	-	100	50	25	½” BSP (M)
25B	159	110	160	-	120	50	25	½” BSP (M)
25C	198.7	85	125	160	150	50	25	½” BSP (M)
25D	238.4	70	105	160	180	50	25	½” BSP (M)
32A	217	80	100	-	100	50	32	½” BSP (M)
32B	260.4	65	100	-	120	50	32	½” BSP (M)
32C	325.6	50	80	100	150	50	32	½” BSP (M)
32D	390.7	40	60	100	180	50	32	½” BSP (M)
40A	339.1	50	65	-	100	50	40	1” BSP (M)
40B	406.9	40	65	-	120	50	40	1” BSP (M)
40C	508.7	32	50	65	150	50	40	1” BSP (M)
40D	610.4	27	40	65	180	50	40	1” BSP (M)
50A	529.9	32	40	-	100	50	50	1” BSP (M)
50B	635.9	25	40	-	120	50	50	1” BSP (M)
50C	794.8	20	32	40	150	50	50	1” BSP (M)
50D	953.8	15	27	40	180	50	50	1” BSP (M)
63A	841.2	20	25	-	100	50	63	1 1/2” BSP (M)
63B	1009.5	16	25	-	120	50	63	1 1/2” BSP (M)
63C	1261.8	12	20	25	150	50	63	1 1/2” BSP (M)
63D	1514.2	10	16	25	180	50	63	1 1/2” BSP (M)
70A	1038.6	16	20	-	100	50	70	1 1/2” BSP (M)
70B	1246.3	13	20	-	120	50	70	1 1/2” BSP (M)
70C	1557.8	10	16	20	150	50	70	1 1/2” BSP (M)
70D	1869.4	8	12	20	180	50	70	1 1/2” BSP (M)
90A	1716.8	7	10	-	100	50	90	2” BSP (M)
90B	2060.2	6	10	-	120	50	90	2” BSP (M)
90C	2575.2	5	10	-	150	50	90	2” BSP (M)
90D	3090.5	4	8	10	180	50	90	2” BSP (M)
110A	2564.6	-	7	-	100	50	110	2” BSP (M)
110B	3077.5	-	7	-	120	50	110	2” BSP (M)
110C	3846.9	-	7	-	150	50	110	2” BSP (M)
110D	3052.1	-	5	-	180	50	110	2” BSP (M)
120A	3662.5	-	5	-	100	50	120	2” BSP (M)
120B	4578.1	-	5	-	120	50	120	2” BSP (M)
120C	4768.9	-	3	-	150	50	120	2” BSP (M)
120D	5722.7	-	3	-	180	50	120	2” BSP (M)

Performances (Duplex)

Pump model	Flow max. (l/h)	Pressure max. (kg/cm2g)			Stroke speed (spm)	Stroke length (mm)	Plunger Ø (mm)		End Connections (Suction & Discharge)
Pump model	Flow max. (l/h)	3 HP	5 HP	7.5 HP	Stroke speed (spm)	Stroke length (mm)	Plunger Ø (mm)		End Connections (Suction & Discharge)
20A	170	195	250	-	100	50	20		½” BSP (M)
20B	203	165	250	-	120	50	20		½” BSP (M)
20C	254	130	195	250	150	50	20		½” BSP (M)
20D	305	105	160	250	180	50	20		½” BSP (M)
25A	265	130	160	-	100	50	25		½” BSP (M)
25B	318	110	160	-	120	50	25		½” BSP (M)
25C	397	85	125	160	150	50	25		½” BSP (M)
25D	477	70	105	160	180	50	25		½” BSP (M)
32A	434	80	100	-	100	50	32		½” BSP (M)
32B	521	65	100	-	120	50	32		½” BSP (M)
32C	651	50	80	100	150	50	32		½” BSP (M)
32D	781	40	60	100	180	50	32		½” BSP (M)
40A	678	50	65	-	100	50	40		1” BSP (M)
40B	814	40	65	-	120	50	40		1” BSP (M)
40C	1017	32	50	65	150	50	40		1” BSP (M)
40D	1221	27	40	65	180	50	40		1” BSP (M)
50A	1060	32	40	-	100	50	50		1” BSP (M)
50B	1272	25	40		120	50	50	50	1” BSP (M)
50C	1590	20	32		150	50	50	50	1” BSP (M)
50D	1908	15	27		180	50	50	50	1” BSP (M)
63A	1682	20	25		100	50	50	63	1 1/2” BSP (M)
63B	2019	16	25		120	50	50	63	1 1/2” BSP (M)
63C	2524	12	20		150	50	50	63	1 1/2” BSP (M)
63D	3028	10	16		180	50	50	63	1 1/2” BSP (M)
70A	2077	16	20		100	50	50	70	1 1/2” BSP (M)
70B	2493	13	20		120	50	50	70	1 1/2” BSP (M)
70C	3116	10	16		150	50	50	70	1 1/2” BSP (M)
70D	3739	8	12		180	50	50	70	1 1/2” BSP (M)
90A	3434	7	10		100	50	50	90	2” BSP (M)
90B	4120	6	10		120	50	50	90	2” BSP (M)
90C	5150	5	10		150	50	50	90	2” BSP (M)
90D	6180	4	8		180	50	50	90	2” BSP (M)
110A	5129	-	7		100	50	50	110	2” BSP (M)
110B	6155	-	7		120	50	50	110	2” BSP (M)
110C	7694	-	7		150	50	50	110	2” BSP (M)
110D	6104	-	5		180	50	50	110	2” BSP (M)
120A	7325	-	5		100	50	50	120	2” BSP (M)
120B	9156	-	5		120	50	50	120	2” BSP (M)
120C	9538	-	3		150	50	50	120	2” BSP (M)
120D	11445	-	3		180	50	50	120	2” BSP (M)

Dimensions (mm)
Pump	A	B	C	D	E
PN 20-25	152	390	155	788	205
PN 32-40	162	390	155	788	205
PN 50	170	390	155	788	205
PN 63-70	175	390	155	850	205
PN 90-120	174	390	155	850	205

Dimensions (mm)
Pump model	Length	Width	Height
All Duplex model	600	750	1237.5

Liquid End	Weight (kg)
Simplex	300
Duplex	750

Applications

Municipal drinking/wastewater plants

Coagulation/flocculation (injection of ferric chloride, aluminium sulphate, etc.), pH regulation (injection of acids and alkalis), water conditioning before and/or after RO treatment in desalination plant

Industrial water treatment

protection of installation such as boilers and hydraulic systems (corrosion inhibitors, biocides, scale inhibitors, amines…)

Chemistry/Petrochemistry

injection of additives, injection of co-catalyst, injection of sulphuric acid into water to produce diluted sulphuric acid

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Refinery/Downstream

Injection of chemicals for separation and treatment of refined products, injection of paraffin inhibitor into fuel storage tanks

Oil & Gas

injection of biocide, corrosion/scale inhibitors, H2S scavengers… protecting piping and other assets and maintaining production rates, transfer of steam condensate

Food and beverage industry

Injection of enzymes in starch production, injection of caustic soda for process water neutralization in refining and distilling applications

PNL DATASHEET.pdf

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