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Axial Variable Piston Pump PZ/PZS

Poocca Hydraulic (Shenzhen) Co., Ltd.

Model
Nature of the Manufacturer
Other
Product Category
Piston Pump
Place of Origin
,
PZS series piston pump High pressure, high reliability deliver the perfect combination of high pressure (28MPa {286kgf/cm2}maximum) and high reliability. Hydraulic device energy efficiency is ensured because variable volume capabilities provide the means to keep the discharge rate to the desired level.

Axial variable Piston Pump PZ/PZS


Product description

Nachi piston pump for excavator

PZS series piston pump High pressure, high reliability deliver the perfect combination of high pressure (28MPa {286kgf/cm2}maximum) and high reliability. Hydraulic device energy efficiency is ensured because variable volume capabilities provide the means to keep the discharge rate to the desired level.

The PZ Series load sensitive variable piston pump employs the semi-cylindrical swash plate that is part of the basic technology used by the PVS series variable piston pump. To this it adds a hydrostatic bearing mechanism, valve plate, and other noise reducing mechanisms for operation that is even quieter than that of PVS Series pumps.

Name

PA-PZ/PZS Series Variable  Piston Pumps

Series

Series PZ/PZS

Sizes

35 45 70 100 130 180 220

Nominal Pressure

210 bar

Maximum Pressure

250 bar

Operation Mode

Open Circuit


Product parameter


Technical parameters PA-PZS series

Model No.

Pump Capacity
     cm3/rev
 (Adjustment Range)

Rated Voltage MPa
{kgf/cm2}

Maximum Working Pressure MPa
{kgf/cm2}

Pressure Adjustment Range MPa
{kgf/cm2}

Revolution Speed min −1

Weight kg

Fixed Discharge Pump (Note 1)

Capacity
cm3/rev

Pressure MPa     {kgf/cm2}

Min.

Max.

PZS

PZS-3B-70* 1-10

70
   (45 to 70)

21
     {214}

28
{286}

2 to 7 {20.4 to   71.4}

500

1800

37

3.6 to 15.8

21
{214}

3

2 to 21 {20.4 to 214   }

4

2 to 28 {20.4 to 286   }

PZS-4B-100* 1-10

100
(40 to 100)

2 to   7 {20.4 to   71.4}

58

3

2 to 21 {20.4 to 214   }

4

2 to 28 {20.4 to 286   }

PZS-5B-130* 1-10

130
(51 to 130)

25
{255}

2 to   7 {20.4 to   71.4}

86

3.6 to 32.3

3

2 to 21 {20.4 to 214   }

4

2 to 25 {20.4 to 255   }

PZS-6B-180* 1-10

180
     (101 to 180)

2 to   7 {20.4 to   71.4}

123

3.6 to 63.9

3

2 to 21 {20.4 to 214   }

4

2 to 25 {20.4 to 255   }

PZS-6B-220* 1-10

220
     (124 to 220)

2 to   7 {20.4 to   71.4}

126

3.6 to 63.9

3

2 to 21 {20.4 to 214   }

4

2 to 25 {20.4 to 255   }


Model No.

Pump Capacity
     cm3/rev
(Adjustment Range)

Maximum Working Pressure MPa
(kgf/cm2)

Pressure Adjustment Range MPa
(kgf/cm2)

Flow Control
Limit Range
R/min
Note 3

Revolution Speed min −1

Weight kg

Fixed Discharge Pump (Note 1)

Capacity
cm3/rev

Pressure MPa
     (kgf/cm2)

Min.

Max.

PZ

PZ-2B-*- 35E1A-11

35

21
(214)

2 to 7(20.4 to 71.4)

1 to 63

600

2000

36

3.6 to 8.18

21
     (214)

2

2 to 14(20.4 to 143)

3

2 to 21(20.4 to 214)

PZ-2B-*- 45E1A-11

45

14
(143)

2 to 7(20.4 to 71.4)

1 to 80

2

2 to 14(20.4 to 143)

PZ-3B-*- 70E1A-10

70

21
(214)

2 to 7(20.4 to 71.4)

1 to 126

1800

60

3.6 to 15.8

2

2 to 14(20.4 to 143)

3

2 to 21(20.4 to 214)

PZ-4B-*-100E1A-10

100

21
(214)

2 to 7(20.4 to 71.4)

1 to 180

76

2

2 to 14(20.4 to 143)

3

2 to 21(20.4 to 214)

PZ-5B-*-130E1A-10

130

21
(214)

2 to 7(20.4 to 71.4)

3 to 234

100

3.6 to 32.3

2

2 to 14(20.4 to 143)

(Note 2) 3

2 to 21(20.4 to 214)

PZ-6B-*-180E1A-20

180

21
(214)

2 to 7(20.4 to 71.4)

3 to 324

160

3.6 to 63.9

2

2 to 14(20.4 to 143)

3

2 to 21(20.4 to 214)

PZ-6B-*-220E1A-20

220

21
(214)

2 to 7(20.4 to 71.4)

3 to 330

1500

162

2

2 to 14(20.4 to 143)

3

2 to 21(20.4 to 214)


Detailed images

The PA-PZ/PZS Series  pump body houses an electrohydraulic proportional control valve, compensator, and surge cutoff valve, which eliminates the need for superfluous piping.

The electro-hydraulic proportional control valve uses the proven force feedback system for improved hysteresis, repeatability, and response.

1 2

Low noise, low vibration

operation The semi-cylindrical swash plate of the PVS series provides high support and rigidity, making it possible to increase the number of pistons (from nine to 11) and equip optimal valve plates, all of which make low-noise operation possible.

High reliability, long life

3 4

O-ring seals used for mating surfaces eliminate worries about oil leaks. A spherical valve plate maintains optimal hydraulic pressure balance, for stable operation across a wide range and better contamination resistance characteristics

A wide range of possible 

applications In addition to use as a stand-alone pump, a PVS Series pump can be combined with another IP pump in a wide range of possible applications.


Applications

Applications-1

Applications-2


Our advantage

Advantage-1

Evaluation(001)


After-sales service

Warranty

Poocca Hydraulic (Shenzhen) Co.,Ltd, is located in Shenzhen North High Tech Center. It takes about 30 minutes' drive from HongKong.Our factory covers a land area of 8,000 square meters and has a production area of 6,000 square meters. At present, our company has 80 employees, including 10 engineers.With ISO9001:2015 certified Quality System, Has its own brand trademark, as many as 20 hydraulic utility model patents. we are a professional manufacturer of hydraulic gear pumps.Our teams have worked in the hydraulic field for more than 10 years and have rich experience in designing, manufacturing and processing all our products. We also have quite a lot of technicians who are skilled in machining, assembling and testing products.With the help of modern machining equipment (Flexible machining centers, CNC hobbing CNC grinding 3-coordinate measuring machines, fully automatic gear checking machines, CAT full computer controlled testing machines, etc.) our company is capable of providing various hydraulic products for led production, construction and agricultural equipment, bending machinery. Shearing machinery plastic injection machinery, metallurgy and petroleum industries and material handling vehicles.Poocca corporate values is "to provide customers with the best hydraulic products and excellent services and become one of first-grade hydraulic pump manufacturers in the world".Our ProductPOOCCA Hydraulics (Shenzhen) Co., Ltd.’s products include variable hydraulic piston pump, fixed hydraulic piston pump, variable hydraulic vane pump, fixed hydraulic vane pump, aluminum hydraulic gear pump, cast iron hydraulic gear pump, axial piston motor, diameter To hydraulic products such as plunger motors and gear motors.Variable piston pump series: A10V(S)O, A11V(L)O, A4VSO, A4VG, A7VO, A8VO, A10VG, A4VSG, PVH, PVB, PVM, PVE, PVE, PVXS, PV, PVP, PVXS, P2/ P3, PD, P1 and other seriesFixed piston pump series: A2FO, A4FO, A2F and other seriesFixed vane pump series: V series, T6/T7 series, PV2R series, SQP series, 50T/150T series, etc.Hydraulic gear pump series: AZPF,AZPG,AZPN,AZPB,AZPW,1PF2G,ALP1,ALP2,ALP3,GHP1,GHP2,GHP3 0.25-0.5,1P,PGP505,PGP511,PGP517,PGP315,PGP330,PGP365 series, etc.Orbtial motor series: J,H,S,T,2K,4K Delta,4K,6K,10K,VIS40,VIS45 Series.TC,TB,TS,TE,TJ,TF,TF Clutch,DF Brake,L,TG,BG Brake,DG Brake,TH,BH,TK Series.OMM/OML,OMP,OMH,OMEW,OMS,OMT,OMV,OMSU,WP,WR,WD,WG,WS,OMR X,OMP X,RE,TMK,TMT,TMTHW,TMV,DH & DS Series.BM1,BM2,BM3,BM4,BM5,BM6 Series.Hydraulic motor: A6VM, A6VE, A2FE, A2FM series, etc.Hydraulic parts.Excavator travel motor.Product ApplicationConstruction machinery: double pumps, single pumps, walking motors, swing motors, etc. for excavators, pavers, road rollers, presses, paving machines, drills, bulldozers, heavy excavators, road mixers, etc.Construction machinery: concrete pump truck, concrete pump truck transporter, concrete mixer truck and other hydraulic main pumps, auxiliary pumps, swing motors, and walking motors.Industrial equipment: metallurgy, mining, medicine, chemicals, plastics, die-casting machinery,Hydraulic main pumps, auxiliary pumps, motors for marine machinery, cranes, ceramic machinery, aluminum extrusion presses, etc.Ship/Aviation: pumps & motors for ship hydraulic technology industry used in ship/ship/ship deck machinery, operating systems and control systems, such as rudder ship machines, windlasses, cranes, etc.; pumps/motors and accessories for aerospace hydraulic technology industry Device.
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