Asphalt Oil Double Screw Pump Transfer Various Heating Oil Twin Screw Pump

• Customization: Available
• After-sales Service: Unlimited Times
• Warranty: One Year
• Model NO.: W. V Series Twin Screw Pump
• Screw Number: Double Screw Pump
• Screw Suction Method: Double Suction
• Pump Shaft Position: Horizontal
• Performance: Wearable
• Application: Sewerage Treatment, Food, Chemical
• Certification: CE, ISO, RoHS
• Material: Cast Steel,304, 306, Welding Steel, etc.
• Principle: Positive Displacement Pump
• Application 1: Metallurgy, Power, Petrochemical, Food
• Certificate: CCS, SGS, BV, ISO, etc.Luv
• Viscosity: 1-3000000cst
• Voltage: 380V, or as Required
• Frequency: 50Hz or 60Hz
• Pressure Range: 0-4MPa
• Capacity: 1-2000m³/H
• Work Temperature Range: -15ºC-280ºC
• Application 2: Oil, Crude Oil and etc.
• Application 3: Various Heating Oil, Ashalt Oil
• Application 4: Lubricating Oil Pump
• Application 5: Heavy and Crude Oil Pump
• Application 6: Loding and Unloading Various Oil3
• Transport Package: Angle Steel Frame Supports Seaworthy Wooden Case
• Specification: W2.1-W10.1
• Trademark: YUANHAN
• Origin: China
• HS Code: 8413604090
• Production Capacity: 10000set/Year
• Package Size: 130.00cm * 100.00cm * 100.00cm
• Package Gross Weight: 500.000kg

Product Description

Product Description
Double screw pump features:
Delivery various medium smoothly without any disturbing and pulsation.There are medium to be pumped throughout in the woring elements as sealing liquid which guaranteed by the construction of pump casing. All of the pump posgess high self priming ability and can deliver the liquid mixtured with gas or air.
The high suction performance,i.g very low NPSHr was guaranteed by the special design of pump.
Adopted the external bearing which lubricated individually, so can deliver varioussign non-lubrication medium.
Adopted synchronous gear, there is no metallic contact between rotaing parts, thereis no dangerous even dry running in a short time.
Various construction completely such as horizontal, vertical and casing with liner.and so on. the pump can handle various clean liquid without solid grain, low or high viscosity medium, even can deliver some corrosive medium with a correct material selection.


Performance data:
Handling Various medium wih solid and without Solid medium
Viscosity: 1.0~ 1500 mm2/s, the viscosity can reach up to 3000000mm²/s when reduced the speed.
Flow range: 1~ 5000 m³/h;
Maximum pressure: 4.0 Mpa;
Max. Temperature: 280ºC

Horizontal Mounting
Features:
1. A wide range of transmission medium, with allowable certain amount of impurity in the medium;
2. Double layers of structure design, with comprehensive heating and thermal insulation for medium, as well as sufficient and rapid heating;
3. A variety of bearing cooling modes available, with better protection of bearing and prolonged service life;
FEATURES OF WELDED TWIN SCREW PUMP:
1.Well heated and the pumping temperature: -50"C-320C
2.0f the same pump the materials of diferent sections can be not the same. So it can pump mix-rotation and corrosive medium,lower the cost greatly.
3.Especially suitable for high-temperature system and some special con-diction, for example high viscosity, high temperaturemedium, such as oil, residue oil, etc. The highest viscosity can reach1 X 10cSt.
SERIES CODE SPECIFICATION:
W: horizontal pump; V: vertical pump
TYPE CODE SPECIFICATION:
WV series twin screw pump has 3 main constructions: Z, ZK and Zi.
Z: long shaft design. Packing seal, double end seal or metal sealis required in design when the medium temperature exceed 150-200ºC.
ZK: short shaft design, Adopt mechanical seal, medium temperature<120C.
Zi: lnternal bearine desien,Adopt mechanica seal, medium temperature< 80ºC, only used for delivery lubricant mediumxThe maximum temperature of the welded pump body is 280ºC.
HEATING METHOD CODE OF PUMP CASING SPECIFICATION:
The different pump casing heating methods of WV series twin.screw pump depends on whether the pump casing is casted or welded.Adopt heating to the middle section of the pump casing for alpump casing which is welded.Adopt different heating method with different size, Al casted pump casing is showed as following table.

Code	Heating method of casing	Pump type
Z0	The middle section of casing for all pump	W3.2Z,W3.2ZK,W4.2Z,W4.2ZK,W5.2Z,W5.2ZK,   W6.5Z,W6.5ZK,W7.3Z,W7.3ZK,W7T.3Z,W7T.3ZK,   W8.5Z,W8.5ZK,W9.3ZK,W10.1Z
Z1	Low half part of casing with heating jacket	W4.1Z,W5.1Z,W7T.2Z,W4.1ZK,W5.1ZK,W7T.2ZK,   N5.1Zi,W7T.2Z
Z2	Low half part of casing with diffuse heating jacket	W2.1,W3.1Z,W7.2Z,W2.1K,W3.IZK,W7.2ZK,W7.2Zi
Z3	Insert snakelike heating tube into pump casing	W6.4Z,W8.4Z,W9.2Z,W6.4ZK,W8.4ZK,W9.2ZK,   W6.4Zi,W8.4Zi,W9.2Z

Note:The code is omitted when the pump casing without heating jacket.The type V vertical pump without heating method.
SPECIFICATION OF SEAL CODE:
The different ype sealis depended on the different pump design.

Design	Seal type		Seal code		Remarks
Z	Packing seal Single end mechanical seal Double end mechanical seal metal bellows mechanical seal		MO M1 M2 Mb		temperature<200ºC temperature<180ºC temperature<200ºC temperature<320ºC
ZK	Single end mechanical seal		M1		temperature<120ºC
Zi	Single end mechanical seal		M3		temperature<80ºC

Application:
Ship building: used for marine as cargo and stripping pump, ballast pump, lubricat-ing oil pump for main machine, feul oil transfer and spray pump,load or unload oil pump.
Power plant: Heavy and crude oil transfer pump, Heavy oil burning pump.pump.Chemical industry: Transfer for variovs acid,alkali solution,resin,colour,printing ink,paint glycirine and paraffin wax.
Oil refinery: Transfer for various heating oil, asphalt oil, tar, emulsion, asphalt,andalso loading and unloading various oil goods for oil tanker and oil pool. 
Food industry: used for brewery, food products factory, sugar refinery, tin factory to transfer for alcohol, honey, sugar juice, toothpaste, milk cream,soy sauce, vegetable oil,animal oil and wine.
Oil field: Transfer for various oil goods and crude oil and etc.
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