Hot Sale Usun Model: Usah Air Driven Hydraulic Pressure Test Pump System for Hose. Tubes and Valves

Hot Sale Usun Model: Usah Air Driven Hydraulic Pressure Test Pump System for Hose. Tubes and Valves

US$1,550.00-1,850.00 1 Piece (MOQ)

Basic Info.

Model NO.
Model: USAH
Max.Capacity
<50 L/min
Pressure Medium
Water
Type
Handheld
Position of Pump Shaft
Horizontal
Certification
CE
Material
Stainless Steel
Driven Power
Compressed Air of 3-8 Bar
Power
Pneumatic Power
Application
for Charging Cylinder, Pressure Test
Driven Cylinder Diameter
160mm
Net Weight
40 Kgs
Product Name
Single Action Air Driven Hydraulic Test Pump Unit
Transport Package
Foam Inside, Carton Box /Wooden Box Outside
Specification
CE/ ISO9001
Trademark
USUN
Origin
Made in Dong Guan / China
HS Code
8412310090
Production Capacity
100 PCS Per Week

Product Description

Popular Usun Model :USAH type 160mm driven middle size air driven hydraulic
test pump unit for hose ,tubes and valves
General Information for Air driven liquid pumps
USUN air driven liquid pumps are ratio devices that utilize low pressure compressed

air driving a larger diameter piston (area x pressure) which is linearly connected to a smaller

hydraulic piston/plunger. Using this ratio principal, a higher hydraulic pressure can be generated.

Usun Pump model numbers reflect the pumps nominal pressure ratio, while the technical data

indicates exact ratios. The outlet stall pressure is easy to set by adjusting the air drive pressure

through a simple air pressure regulator.

By multiplying the pressure ratio by the available shop

air pressure, the nominal liquid pressure can be calculated.

Exmple ( Pump Model: AH40 liquid pump)

Air drive piston area ( 160mm Ø)

Hydraulic plunger area ( 25 mm Ø)

Actual ratio = 40:1

1. AIR DRIVE SECTION

The air drive section consists of a light weight piston complete with seals running inside an

aluminum barrel. The diameter of the air piston is 80mm. When compressed air is supplied to

the pump the air pushes the air piston down on a compression stroke

( forces fluid out of the liquid end).

Under the control of pilot pins (poppet valve) triggered at each end of the stroke

2. HYDRAULIC SECTION (Wetted End)

The hydraulic section of an air driven liquid pump consists of 4 main pieces, the hydraulic body,

the piston/plunger, the check valves and the main high pressure seal. The hydraulic

piston/plunger is directly linked to the air piston and it is housed inside the hydraulic body and

its movement up and down creates the liquid flow into and out of the pump through the check

valves. The check valves are spring loaded and on the suction stroke the inlet check valve

opens to the maximum allowing fluid into the hydraulic body and on the compression stroke the

inlet check valve closes and the discharge check valve opens forcing the pumped fluid into the

process. The main high pressure seal is located within the hydraulic body and the piston/plunger seals

against this during operation. There are different materials and designs of high pressure seals

depending on the fluid being pumped and the maximum pressures of the pump, however the

standard seals are suitable for both water and hydraulic fluid use.

USUN air driven liquid pumps are self-priming, However, high ratio pumps are more difficult to

Prime and may require bleeding. In general, it is not recommended to use an air- line lubricator.

USUN air driven liquid pumps cycle automatically as the outlet pressure increases the

resistance also increases and the cycle rate decreases until the pump stops automatically

when the output pressure forces are equal. This is referred to as the stall condition.

The pump will restart with a slight drop in the outlet pressure or an increase in the air drive

pressure. Pump performance can be affected by a number of conditions, such as freezing of the

exhaust muffler or pilot valves (which is caused by moisture in air lines), inadequate inlet air-line

sizes and dirty filers. When operating the pumps on a continuous basis, we recommend you use

a maximum cycle rate of 50~60 cycles per minute.

This will both increase service intervals and assist in preventing ice forming

at the exhaust. An air supply dryer will also assist in reducing icing up.

To obtain best overall performance, it is recommended not to reduce the indicated port sizes

and consult We for flow conditions not shown in charts.
Typical applications for air driven Liquid pumps
Key features
One model available in 8 ratios
Compatibility with a variety of liquids
Safe pneumatic operation
Aluminum bodies and wetted materials of carbon steel or stainless steel
Rugged,compact,reliable and easy maintenance proven design
High quality seals, long service life available
No need for air line lubrication
Wide application with large range of pressure ratio
Main technical data
Typical technical data for air driven hydraulic test pump unit

AH Middle size liquid pump
Technical data Base on 7 bar air driven pressure 1.0 M3/min air consumption
Air driven pressure base on 7Bar
Model Piston/Rod diameterø(mm) Displacement per stroke(mL) Liquid IN Liquid OUT Max pressure Bar base on 8.3Bar Liquid outlet (Bar) 1Bar=0.1Mpa=1.019Kg/cm²
0 20 40 70 100 150 200 300 400 500 600 700 900 1200 1700 2350
Flow rate (L/min)
AH02 100 471.24 NPT3/4" NPT3/4" 20.7 56.55 0
AH04 80 402.12 NPT3/4" NPT3/4" 33.2 48.25 16.08
AH07 63 249.38 NPT3/4" NPT3/4" 49.6 29.93 9.98 4.99
AH10 50 157.08 NPT3/4" NPT3/4" 83 18.85 12.57 9.42 0
AH16 40 100.53 NPT3/4" NPT3/4" 132.8 12.06 9.05 7.04 6.03 4.02
AH20 35 76.97 NPT3/4" NPT3/4" 166 9.24 7.7 6.93 6.16 5.39 0
AH28 30 56.55 NPT1/2" NPT1/2" 232.4 6.79 5.66 5.09 4.52 3.96 3.39 0
AH40 25 39.27 NPT1/2" NPT1/2" 332 4.71 3.93 3.53 3.14 2.75 2.36 1.96 0
AH64 20 25.13 NPT3/8" NPT3/8" 498 3.02 2.51 2.26 2.01 1.76 1.51 1.26 1.01 0.75
AH80 18 20.36 NPT3/8" NPT3/8" 664 2.44 2.04 1.83 1.63 1.43 1.22 1.02 0.81 0.71 0.61
AH100 16 16.08 NPT3/8" NPT3/8" 830 1.93 1.77 1.61 1.53 1.37 1.21 0.96 0.8 0.64 0.56 0.48 0
AH130 14 12.32 NPT3/8" NPT3/8" 1079 1.48 1.42 1.36 1.23 1.11 0.99 0.86 0.74 0.62 0.49 0.43 0.37 0.12
AH170 12 6.79 NPT3/8" NPT3/8" 1411 0.81 0.78 0.75 0.71 0.68 0.61 0.54 0.48 0.41 0.34 0.27 0.24 0.2 0.07
AH240 10 4.71 NPT3/8" NPT1/4" 1992 0.57 0.54 0.52 0.49 0.47 0.42 0.38 0.33 0.28 0.24 0.19 0.16 0.14 0.12 0.09
AH300 9 3.82 NPT1/4" *HF4 2490 0.46 0.44 0.44 0.42 0.4 0.38 0.34 0.31 0.27 0.23 0.19 0.17 0.15 0.17 0.1
AH400 8 3.02 NPT1/4" *HF4 3320 0.36 0.35 0.35 0.33 0.32 0.3 0.27 0.24 0.21 0.18 0.15 0.14 0.12 0.11 0.11 0.08

Remark 1) Maxium outlet pressure are at an air driven pressure of 8 bar or 116 PSI ,for long life using
of such pump ,we suggest that air driven pressure should be not more than 8 Bar
Typical diagram of such air driven liquid pumps

Product Applications

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