Dong Hae Pump Industrial Co., Ltd.

Rotary gear, vane, centrifugal and magnet-drive process pumps since 1978

LISTEDMANUFACTURER

Seoul (Geumcheon-gu), South Korea

Industrial Pumps

About

Dong Hae Pump builds chemical process pumps for industry: internal rotary gear pumps, external gear and high-viscosity metering pumps, vane pumps for thin liquids, acid-resistant centrifugal and self-priming pumps, heat-transfer (hot oil) pumps, high-pressure Wesco pumps and seal-less magnet-drive versions.

The company has standardised these designs for special-purpose duties and works on material selection for newer process liquids. Heavy-duty gear pumps can be built to API 610.

Markets named include petrochemical plants, cogeneration plants, shipbuilding, tank terminals and waste lubricant recycling.

Products

Rotary (Internal) Gear Pumps – SW, SW-H and MK Series

Internal rotary gear pumps for viscous and hot liquids. The heavy-duty SW-H (Super) series is an upgraded SW design that can be built to API 610 for severe service; the compact MK series handles small flows of oils, solvents and polymers.

Key features

SW-H: up to 480 m³/h, 20 kg/cm² differential, 450°C
SW: up to 17 kg/cm², 350°C
Handles viscosities up to 1,000,000 cP
MK: up to 25 m³/h, 20 kg/cm², 120°C
Can be built to API 610 on request

Applications

Asphalt, molasses and resin transfer
Lubricant and base oil handling
Polyol, MDI and paint lines
Tank terminals

SW/SW-H up to 480 m³/h, 20 kg/cm², 450°C, 1,000,000 cP; MK up to 25 m³/h

22 models

Model	Series	Reference fluid	Viscosity	Temperature	Duty (capacity × pressure)
SWE-H50	SW-H	WDF	200–300 cP	Ambient	6 m³/h × 9.7 kg/cm²
SWB-H150	SW-H	Treacle / molasses	150–1,000 cP	30–40°C	150 m³/h × 6.0 kg/cm²
SWC-H125	SW-H	C seed	172,000–344,000 cP	50–60°C	5–6 m³/h × 15.8–31.55 kg/cm²
SWB-N100	SW-H	Polyol	500 cP	Ambient	30 m³/h × 7.0 kg/cm²
SWB-N80	SW-H	Lubricant oil	3,000 cP	40–80°C	30 m³/h × 7 kg/cm²
SWA-H50	SW-H	BP	3,000–20,000 cP	60°C	5 m³/h × 15.0 kg/cm²
SWD-H300	SW-H	Asphalt	100–200 cP	93–121°C	110–480 m³/h × 5.0–7.0 kg/cm²
SWB-150	SW	Oil	50,000 cP	100°C	35 m³/h × 7.0 kg/cm²
SWA-40S	SW	Resin	1,000–3,000 cP	100°C	1.44 m³/h × 3.0 kg/cm²
SWA-100	SW	MMA	1,000–3,000 cP	20°C	6.6 m³/h × 7.0 kg/cm²
SWB-100	SW	Lubricant oil	5,000 cP	50°C	40 m³/h × 7.0 kg/cm²
SWB-F50	SW	Oil paint	160–2,500 cP	Ambient	9 m³/h × 3.6 kg/cm²
SWD-F50	SW	MDI	900 cP	Ambient	6 m³/h × 7.0 kg/cm²
SWA-F50	SW	Surfactant	50 cP	120°C	15.3 m³/h × 5.0 kg/cm²
SWB-80	SW	Polyol	800–1,500 cP	Ambient	20 m³/h × 7.0 kg/cm²
MKB-80	MK	Base oil	268–1,320 cP	40°C	20 m³/h × 4.9 kg/cm²
MKB-50	MK	Solvent	1 cP	Ambient	9 m³/h × 1.5 kg/cm²
MKA-40	MK	Gas oil	46 cP	Ambient	7.8 m³/h × 12.0 kg/cm²
MKB-25	MK	Polymer	1,000–1,500 cP	Ambient	0.72 m³/h × 3.0 kg/cm²
MKA-25	MK	Solvent + paint	100 cP	Ambient	0.025 m³/h × 3.0 kg/cm²
MKB-12	MK	Light oil	5 cP	Ambient	0.85 m³/h × 3.0 kg/cm²
MKA-12	MK	Silicone, hardener	1,200 cP	Ambient	8 cc × 2.0 kg/cm²

External Gear Pumps – EP Series

External gear pumps for high-pressure transfer and metering of viscous media such as polyols and waxes, rated to 300 kg/cm² differential pressure.

Key features

Up to 300 kg/cm² differential pressure
Up to 80 m³/h
Temperatures to 350°C
Viscosity up to 1,000,000 cP
Max speed 1,150 rpm

Applications

Polyurethane raw material dosing
Wax and hot-melt transfer
High-pressure metering

Up to 80 m³/h, 300 kg/cm², 350°C, 1,000,000 cP

Model	Series	Reference fluid	Viscosity	Temperature	Duty (capacity × pressure)
EPA-4	EP	CPVA	200 cP	Ambient	140 cc/min × 2.1 kg/cm²
EPB-1000	EP	Polyol	6,000 cP	Ambient	16.8 m³/h × 15.0 kg/cm²
EPC-3500	EP	APP wax	40,000 cP	230°C	20 m³/h × 28.6 kg/cm²

Rotary Vane Pumps – V Series

Sliding-vane pumps for thin, volatile liquids such as fuels, solvents, alcohols and liquefied CO2.

Key features

Up to 60 m³/h
Differential pressure up to 8 kg/cm²
Temperatures to 150°C
Speeds 350–1,750 rpm
Suited to volatile low-viscosity liquids

Applications

Diesel and petrol transfer
Solvent and toluene handling
Methanol and CO2 service
Truck and tank loading

Up to 60 m³/h, 8 kg/cm², 150°C; low-viscosity liquids up to 30 cP

Model	Series	Reference fluid	Viscosity	Temperature	Duty (capacity × pressure)
VEA-100	V	Diesel, solvent, methanol	1–50 cP	30°C	35–40 m³/h × 3–5 kg/cm²
VTB-80	V	CO2	15 cP	-20°C	20–22 m³/h × 2.4 kg/cm²
VTA-80	V	Solvent, toluene	0.8–1.0 cP	Ambient	25 m³/h × 3.0–5.0 kg/cm²
VTB-50	V	Diesel, petrol	0.85 cP	Ambient	12 m³/h × 2.0 kg/cm²
VTA-50	V	Cleaner	1 cP	Ambient	12 m³/h × 2.0 kg/cm²
VFA-40	V	Toluene, solvent	300 cP max	Ambient	9 m³/h × 18 kg/cm²
VFA-25	V	Methyl alcohol	1–2 cP	Ambient–80°C	2 m³/h × 2.0 kg/cm²

Chemical Centrifugal and Self-Priming Pumps – DH and CS Series

Acid-resistant centrifugal pumps (DH series) and portable self-priming pumps (CS series) built in a range of materials for acids, alkalis, brines and solvents. CS pumps prime from the casing fluid without a foot valve.

Key features

DH: up to 600 m³/h, 7 kg/cm²
CS self-priming, no foot valve needed
Materials selected for acids and alkalis
Direct or coupling drive
Max speed 3,450 rpm

Applications

Brine and glycol circulation
Waste water transfer
Solvent and fuel oil handling

DH up to 600 m³/h, 7 kg/cm²; CS self-priming up to 60 m³/h, 3.5 kg/cm²; max 90°C

10 models

Model	Series	Reference fluid	Viscosity	Temperature	Duty (capacity × pressure)
DHS-3-50	DH	Water	1 cP	Ambient	31.8 m³/h × 2.8 kg/cm²
DHS-2-25	DH	Water	1 cP	Ambient	6 m³/h × 0.8 kg/cm²
DH-2-100D	DH	Water + 40% ethylene glycol	5 cP	-5–0°C	125 m³/h × 4.3 kg/cm²
DH-2-8	DH	Water	1 cP	Up to 30°C	91.2 m³/h × 3.0 kg/cm²
DH-1-100	DH	Brine	1.7 cP	-5°C	180 m³/h × 1.0 kg/cm²
DH-1-80	DH	Water	1 cP	Up to 30°C	44.1 m³/h × 2.0 kg/cm²
DH-1-50	DH	Water + methylene chloride	1 cP	Up to 80°C	13 m³/h × 2.6 kg/cm²
CS-3-100	CS (self-priming)	Fuel oil	1.8–4.1 cP	32–60°C	45.5 m³/h × 3.7 kg/cm²
CS-3-80	CS (self-priming)	Waste water	1 cP	Ambient–40°C	40 m³/h × 2.0 kg/cm²
CS-3-50	CS (self-priming)	Solvent, xylene	1 cP	Ambient	12 m³/h × 3.0 kg/cm²

Hot Oil and Wesco (Regenerative) Pumps

Thermal-oil circulation pumps for heat-transfer systems and high-head Wesco (regenerative turbine) pumps for small flows at elevated pressure.

Key features

Up to 600 m³/h
Temperatures up to 350°C (hot oil)
Max speed 3,500 rpm
Wesco design for high head at low flow

Applications

Thermal oil heating systems
Hydrocarbon circulation
Amine and caustic dosing

Up to 600 m³/h, 6 kg/cm², 350°C

Model	Series	Reference fluid	Viscosity	Temperature	Duty (capacity × pressure)
KSC-2-40160	Hot oil	Hydrocarbon	1 cP	350–400°C	50 m³/h × 5.0 kg/cm²
DHWA-1-50	Wesco	MEA polymer	39.125 cP	190°C	0.5–2.5 m³/h × 14.8 kg/cm²
DHWA-1-40	Wesco	Water + NaOH	5 cP	60–65°C	2 m³/h × 8.5 kg/cm²

Seal-less Magnet Drive Pumps

Magnetically coupled versions of the company's pump types for liquids that are hard to seal or would cause serious contamination if they leaked.

Key features

No shaft seal (magnetic coupling)
Available as centrifugal, Wesco, vane, rotary and external gear pumps
Reference duties up to 200 m³/h and 20 kg/cm²
Hot service references to 260°C

Applications

MDI and urethane systems
Caustic and amine service
Aviation oil and hydrocarbons

Centrifugal, Wesco, vane, rotary and external gear types; up to 200 m³/h, 20 kg/cm², 260°C

11 models

Model	Series	Reference fluid	Viscosity	Temperature	Duty (capacity × pressure)
Centrifugal magnet pump	Magnet – centrifugal	MDI	1 cP	20°C	200 m³/h × 8.0 kg/cm²
Wesco magnet pump	Magnet – Wesco	MEA	14.04–394 cP	190°C	3.5 m³/h × 16.5 kg/cm²
Vane magnet pump	Magnet – vane	Solvent	1 cP	Ambient	3.0 m³/h × 20.0 kg/cm²
Rotary magnet pump (MDI)	Magnet – rotary gear	MDI	750 cP	Ambient	12 m³/h × 10 kg/cm²
Rotary magnet pump (MDI, 3.6 m³/h)	Magnet – rotary gear	MDI	100–180 cP	30°C	3.6 m³/h × 8.0 kg/cm²
Rotary magnet pump (urethane)	Magnet – rotary gear	Urethane	1,000–5,000 cP	30°C	2.4 m³/h × 10 kg/cm²
Rotary magnet pump (aviation oil)	Magnet – rotary gear	Aviation oil	11.96 cP	Ambient	2.95 m³/h × 9.2 kg/cm²
Rotary magnet pump (NaOH)	Magnet – rotary gear	NaOH	1 cP	Ambient	0.3 m³/h × 4.0 kg/cm²
External gear magnet pump (C9)	Magnet – external gear	C9	1.2–2 cP	30–40°C	0.25 m³/h × 12 kg/cm²
External gear magnet pump (LP/PB)	Magnet – external gear	LP/PB	1–1,500 cP	230–260°C	0.07 m³/h × 9.4 kg/cm²
External gear magnet pump (polyol)	Magnet – external gear	E600 (Lupranol)	32 cP	35°C	0.1–0.2 m³/h × 4.5 kg/cm²

Company facts

Country: South Korea
Founded: 1978
Business registration: Not provided

Product lines

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Dong Hae Pump Industrial Co., Ltd.

About

Products

Rotary (Internal) Gear Pumps – SW, SW-H and MK Series

Key features

Applications

External Gear Pumps – EP Series

Key features

Applications

Rotary Vane Pumps – V Series

Key features

Applications

Chemical Centrifugal and Self-Priming Pumps – DH and CS Series

Key features

Applications

Hot Oil and Wesco (Regenerative) Pumps

Key features

Applications

Seal-less Magnet Drive Pumps

Key features

Applications

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