✖

Home

Stock Categories

Quality Control

Hydraulic pump and pump parts

Relief valve and other valve

excavator

Home>Products>Kawasaki pump>Doosan Solar 330LC final drive,Solar 220LC travel motor:Solar 70,S290LC,S225LC,S170LC,S280LC,S130LC-V,S140-V,S55,SOLAR 50,S75,

Doosan Solar 330LC final drive,Solar 220LC travel motor:Solar 70,S290LC,S225LC,S170LC,S280LC,S130LC-V,S140-V,S55,SOLAR 50,S75, MODELS

Need a CAD or 3D Model?

Contact Now WhatsApp Be Our Agent

Doosan Solar 330LC final drive,Solar 220LC travel motor:Solar 70,S290LC,S225LC,S170LC,S280LC,S130LC-V,S140-V,S55,SOLAR 50,S75,

Doosan Solar 330LC final drive,Solar 220LC travel motor:Solar 70,S290LC,S225LC,S170LC,S280LC,S130LC-V,S140-V,S55,SOLAR 50,S75, SPECIFICATIONS

Min.Order Quantity:Negotiation
Price:Negotiation

TOKIMEC VANE PUMP LTD

SunnyChina

Sunny2020-07-10 09:46:19
Welcome to my shop! Glad to serve you! Please send your question!

Interested In: Price Inspection Certificate Product Specifications Company Profile

Doosan Solar 330LC final drive,Solar 220LC travel motor:Solar 70,S290LC,S225LC,S170LC,S280LC,S130LC-V,S140-V,S55,SOLAR 50,S75, Technical information

Pressure Port Size, Shaft End:1.25 in
Shaft End Flow @ RPM:Straight w/ Key
Rotation:3520V
Minor Diameter:2 7/8 in
Manufacturer Part No.:Buna-N
Displacement Shaft End (cu in/revolution):1800
Major Diameter [Max:N/A
Shaft Seal Type:SAE C, 2 Bolt
Major Diameter [Min:Single Shaft Seal
Port Orientation - Cover End:N/A
Spline Description:1800
Shaft Type:1800
Mounting:N/A
Port Size:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm
Seal Material:N/A
Max. RPM [Max:N/A
Cover End Pressure [Max:N/A
Mounting Flange:N/A
Pump Series:N/A
Shaft Key:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm
Displacement Cover End (cu in/revolution):3520V25A5-1AB22R
Minor Diameter [Max:3000
Port Orientation - Shaft End:2500
Shaft End Pressure [Max:7.5
Shaft End RPM [Max:37.5
Cover End RPM [Max:N/A
Cover End Flow @ RPM:Outlet 45° CCW from Inlet
GPM @ 1,800 rpm, Shaft End:Outlet Opposite Inlet
Model No.:3/4 in Code 61
Weight:1 1/4 in Code 61
Integral Valve Configuration:1.1
Minor Diameter [Min:4.9

Doosan Solar 330LC final drive,Solar 220LC travel motor:Solar 70,S290LC,S225LC,S170LC,S280LC,S130LC-V,S140-V,S55,SOLAR 50,S75, Products and services

Hyundai excavator track roller,R55-5;R60-5/6/7;R200E;R210-5;R220-5;R225-7;R260-5;R290-3;R300-5;R305-7;R335-7;R375-7;R360-3;R455	Integral Valve Configuration:75.0 LB; Pilot Type:Flange Mount; Major Diameter [Min:Right Hand (CW); Rotation:3520V25A5-1AB22R; GPM @ 1,800 rpm, Cover End:3; Weight:Flange; Port Type:5/16 in; Minor Diameter [Max:Standard Pilot; Controlled Flow Rate:1.25 in; Manufacturer Part No.:Straight w/ Key; Pump Series:3520V; Shaft Length:2 7/8 in; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520V25A5-1AB22R; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:37.5; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 45° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/4 in Code 61; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):4.9;
PC45-7 PC45 track pad,PC30 excavator rubber track pad:PC45-6,PC28,PC25,PC35,PC40,PC55,PC50UU,PC75UU,PC90,PC120,PC130,PC160,PC150	Displacement Shaft End (cu in/revolution):75.0 LB; Shaft Type:Flange Mount; Minor Diameter:Right Hand (CW); Shaft Seal Type:3520V25A5-1AB22R; GPM @ 1,800 rpm, Shaft End:3; Minor Diameter [Max:Flange; Cover End RPM [Max:5/16 in; Rotation:Standard Pilot; Major Diameter [Min:1.25 in; Shaft Key:Straight w/ Key; Pump Series:3520V; Shaft Length:2 7/8 in; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520V25A5-1AB22R; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:37.5; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 45° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/4 in Code 61; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):4.9;
Bobcat E45,E38,MXE32 excavator travel motor,final drive:MX331,MX337,MX341,E50,E32,E35,E43,E80,MX325,MX328,MX334,MX430,E26,E62	Seal Material:75.0 LB; Integral Valve Configuration:Flange Mount; Spline Description:Right Hand (CW); Cover End Flow @ RPM:3520V25A5-1AB22R; Port Size:3; Shaft End RPM [Max:Flange; Pressure Port Size, Cover End:5/16 in; GPM @ 1,800 rpm, Shaft End:Standard Pilot; Major Diameter [Min:1.25 in; Port Type:Straight w/ Key; Pump Series:3520V; Shaft Length:2 7/8 in; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520V25A5-1AB22R; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:37.5; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 45° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/4 in Code 61; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):4.9;
Kubota excavator main pump,KX165 hydraulic pump,for KX121-3,KX92,KX161,KX42,KX43,KX45.KX65,KX61,KX63,KX73,KX175,KX191,KX172,KX85	Seal Material:75.0 LB; Mounting Flange:Flange Mount; Pump Series:Right Hand (CW); Spline Description:3520V25A5-1AB22R; Pressure Port Size, Cover End:3; Manufacturer Part No.:Flange; Cover End Pressure [Max:5/16 in; Major Diameter [Max:Standard Pilot; Cover End Flow @ RPM:1.25 in; Mounting:Straight w/ Key; Pump Series:3520V; Shaft Length:2 7/8 in; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520V25A5-1AB22R; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:37.5; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 45° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/4 in Code 61; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):4.9;
Excavator Gear Pump,PC30 /PC 40 /PC 50 hydraulic gear pump	GPM @ 1,800 rpm, Shaft End:75.0 LB; GPM @ 1,800 rpm, Cover End:Flange Mount; Shaft Key:Right Hand (CW); Cover End Pressure [Max:3520V25A5-1AB22R; Major Diameter [Min:3; Manufacturer Part No.:Flange; Controlled Flow Rate:5/16 in; Shaft End RPM [Max:Standard Pilot; Shaft Seal Type:1.25 in; Shaft End Flow @ RPM:Straight w/ Key; Pump Series:3520V; Shaft Length:2 7/8 in; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520V25A5-1AB22R; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:37.5; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 45° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/4 in Code 61; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):4.9;
excavator water pump 4tne88,engine part,piston,ring,connecting rod,4D84-3,4TNE94,4TNV94L,4TNV98,4TNE98,4D88,4TNV88	Pilot Type:75.0 LB; GPM @ 1,800 rpm, Shaft End:Flange Mount; Pump Series:Right Hand (CW); Controlled Flow Rate:3520V25A5-1AB22R; Cover End RPM [Max:3; Rotation:Flange; Shaft Key:5/16 in; Manufacturer Part No.:Standard Pilot; Seal Material:1.25 in; Minor Diameter:Straight w/ Key; Pump Series:3520V; Shaft Length:2 7/8 in; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520V25A5-1AB22R; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:37.5; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 45° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/4 in Code 61; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):4.9;
EX25 EX27 final drive,EX55 Travel motor,EX40,EX60-1,ZX27,EX90,ZX30,EX50,ZX90,EX45,ZX40,ZX60,EX100,ZX120,EX70 min digger	Shaft End RPM [Max:75.0 LB; GPM @ 1,800 rpm, Cover End:Flange Mount; Shaft End Flow @ RPM:Right Hand (CW); Shaft End Pressure [Max:3520V25A5-1AB22R; Shaft Type:3; Port Orientation - Cover End:Flange; Shaft Dia.:5/16 in; Shaft Seal Type:Standard Pilot; Pilot Type:1.25 in; Cover End RPM [Max:Straight w/ Key; Pump Series:3520V; Shaft Length:2 7/8 in; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520V25A5-1AB22R; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:37.5; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 45° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/4 in Code 61; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):4.9;
Hyundai 210-7 final drive,ROBEX 170 excavator travel motor,R290,R260,200LC,R60,R80-7,R190,R170LC,R205,R360-7,R330,R320,R300,R230	Displacement Cover End (cu in/revolution):75.0 LB; Port Orientation - Shaft End:Flange Mount; Pressure Port Size, Shaft End:Right Hand (CW); Cover End Pressure [Max:3520V25A5-1AB22R; Rotation:3; Manufacturer Part No.:Flange; Pilot Type:5/16 in; GPM @ 1,800 rpm, Shaft End:Standard Pilot; Seal Material:1.25 in; Cover End Flow @ RPM:Straight w/ Key; Pump Series:3520V; Shaft Length:2 7/8 in; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520V25A5-1AB22R; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:37.5; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 45° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/4 in Code 61; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):4.9;
BOBCAT Mini Excavator Rubber Track for digger:329 331 334 ME320 ME35,335,337,341,EMX50,MXE32,MXE43,MXE80,325,328,	Mounting Flange:75.0 LB; Minor Diameter [Max:Flange Mount; Shaft Key:Right Hand (CW); Cover End Pressure [Max:3520V25A5-1AB22R; Shaft Dia.:3; Weight:Flange; Seal Material:5/16 in; Pilot Type:Standard Pilot; Shaft End Pressure [Max:1.25 in; Pump Series:Straight w/ Key; Pump Series:3520V; Shaft Length:2 7/8 in; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520V25A5-1AB22R; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:37.5; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 45° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/4 in Code 61; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):4.9;
PC200-7 Temperature Sensor,7861-92-3320,208-06-71140,valve pressure sensor PC400-7,208-06-71130,7861-93-2310,20Y-979-6771,	Port Orientation - Shaft End:75.0 LB; Displacement Cover End (cu in/revolution):Flange Mount; Weight:Right Hand (CW); Manufacturer Part No.:3520V25A5-1AB22R; Cover End Flow @ RPM:3; Displacement Shaft End (cu in/revolution):Flange; Shaft End RPM [Max:5/16 in; GPM @ 1,800 rpm, Cover End:Standard Pilot; Pressure Port Size, Cover End:1.25 in; Port Type:Straight w/ Key; Pump Series:3520V; Shaft Length:2 7/8 in; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:25 gal/min @ 1200 rpm, 37.5 gal/min @ 1800 rpm; Manufacturer Part No.:3520V25A5-1AB22R; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:7.5; GPM @ 1,800 rpm, Shaft End:37.5; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 45° CCW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/4 in Code 61; Displacement Cover End (cu in/revolution):1.1; Displacement Shaft End (cu in/revolution):4.9;

Doosan Solar 330LC final drive,Solar 220LC travel motor:Solar 70,S290LC,S225LC,S170LC,S280LC,S130LC-V,S140-V,S55,SOLAR 50,S75, Video

hydraulic piston, vickers hydraulics, rexroth hydraulic,hydraulic cylinder repair

Contact Us

TOKIMEC VANE PUMP LTD: Emailsales3@boya.com.sg; AddressBeiyuan District, Jinan，Shandong; Phone(Working Time)0531-8299 9953; Fax0531 -82990352

Send Now

Doosan Solar 330LC final drive,Solar 220LC travel motor:Solar 70,S290LC,S225LC,S170LC,S280LC,S130LC-V,S140-V,S55,SOLAR 50,S75, Technical Articles

Ceramic Bearing Classification and advantages Reference

All ceramic bearings are resistant to magnetic and electrical insulation, wear and corrosion resistance, oil-free self-lubricating, high temperature and high temperature resistance, and can be used in extremely harsh environments and special working...

NSK high speed precision bearing installation attention reference

High-speed precision bearings are mainly used for high-speed rotating applications with light loads. High-precision bearings, high-speed, low-temperature vibration and a certain service life are required. The support members of the high-speed electric...

YCB arc Gear Pump

I. Overview and characteristics of YCB arc gear pump: YCB arc gear pump adopts the most advanced point contact gear which is considered to be the most advanced pump in the world, that is, the double arc plus sinusoidal curve is combined into a tooth...