5-21MPa Pipe Hydro Testing Machine
5-21MPa Pipe Hydro Testing Machine
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Basic Infomation
Place of Origin: China
Brand Name: ZTZG
Certification: ISO9001
Model Number: 114
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21MPa Pipe Hydro Testing Machine


21MPa hydro pressure testing machine

Payment & Shipping Terms
Packaging Details: All mechanical equipment is nude packing and electrical parts are packed in wooden cases
Delivery Time: 120 days
Payment Terms: T/T, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 200 sets/year
Testing Pressure: 5-21MPa
Presser: ≤50;≤21Mpa
Pipe Diameter: 50-610mm(ERW Mill) 219-2400 Mm (spiral Mill)
Straightness Of Pipes To Be Tested: 1.5mm/m
Sealing: Adopted PU OD Seal
Length Of Pipe Tested: 4-7M
Key Selling Points: High-accuracy
Warranty: 1 Year
Power: Hydraulic
Certification: ISO9001
Product Description


Product Description

A hydraulic tester is used to perform leaking and hydraulic pressure test on ERW or spiral welded pipes. The test involves sealing the two ends of the pipe, and filling the pipe with a liquid, usually water, which may be dyed to aid in visual leak detection, and pressurization of the vessel to the specified test pressure. Pressure tightness can be tested by shutting off the supply valve and observing whether there is a pressure loss. Huaye hydraulic tester reaches API standard.

2. Differences between an ERW and spiral welded pipe tester
Longitudinal weld pipe hydraulic tester employs outside diameter’s sealing or sealing for big gaps; hydraulic tester for spiral welding pipes uses polyurethane to seal the pi[e end faces, and has the system to keep balance of oil and water.

Hydraulic System

The hydraulic oil in the tank through the motor drives the high-pressure pump into the oil flows through a check, high-pressure oil filters, differential pressure valve set, servo valves, into the oil cylinder. Computer control signals to the servo valve, the control, and direction of the servo valve opening to control the flow into the cylinder to achieve constant test force, constant displacement control. through the tubing, pressure tubing through, and the oil return valve to the tank.

3. Process flow 
Pipe installation – Sealing – water filling – pressurization – pressure relief – drainage – pipe uninstallation

Models of hydraulic tester for ERW Mill

Model Specification(mm) Length(m) Pressure(Mpa) Capacity(Kw) Area(estimaterM)
ZFSY-100 Φ50~ Φ114 6~12 ≤50 65 5×12
ZFSY-160 Φ60~ Φ168 6~12 ≤50 65 5×12
ZFSY-220 Φ89~ Φ219 6~12 ≤50 75 5×12
ZFSY-350 Φ140~Φ355 6~12 ≤70 85 6×20
ZFSY-400 Φ168~Φ426 8~12 ≤70 65 6×22
ZFSY-500 Φ219~Φ508 8~12 ≤70 85 6×22
ZFSY-600 Φ219~Φ610 8~12 ≤70 100 6×22

Models of hydraulic tester for Spiral pipe welded mill

Model Specification(mm) Length(m) Pressure(Mpa) Capacity(Kw) Area(estimaterM)
LHSY-400 Φ219~Φ426 6~12 ≤50 65 5×12
LHSY-600 Φ219~Φ630 6~12 ≤50 65 5×12
LHSY-800 Φ325~Φ820 6~12 ≤50 75 5×12
LHSY-1000 Φ426~Φ1020 6~12 ≤42 85 4×20
LHSY-1400 Φ508~Φ1420 8~12 ≤21 65 4×22
LHSY-1800 Φ630~Φ1820 8~12 ≤21 85 4×22
LHSY-2400 Φ720~Φ2400 8~12 ≤21 100 4×22
LHSY-3000 Φ820~Φ3000 8~12 ≤21 120 4×25
LHSY-3500 Φ1020~Φ3500 8~12 ≤21 160 6×30


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Q: Are you a manufacturer?
A: Yes, we are a manufacturer. We have 4 factories ( Machining, Assembling, Heat treatment, and Moulding ). We also have our own R&D department. Welcome to visit us.
Q: What kind of payment term do you do?
A: We do T/T and L/C.
Q: What info do you need before giving me the price and proposal?
A: Since we design individual machines based on our customer's requirements, we need your desired products' basic dimensions, including all the pipe diameter(or tube length), thickness range, usage, raw material steel grade, coil weight, and degree of automation.
Q: What should I do if I just start a new business?
A: Contact us immediately, we provide a free consultant for pre-sales service. Also, we can help you solve the raw material (steel coil) purchase, worker training, international market price, and more.
Q: How do you do QA?
A: We have a special team to do strict QA, this is one of our strengths:
(1)Every gearbox will be tested for 8 hours with oil inside to guarantee there is no leak.

(2)Every shaft will be inspected for centering jumpiness.
(3)Every roller will be checked to make sure it's in the range of tolerance critical parts will be inspected for all dimensions.
Q: Why I should choose you? what are the differences between you and other Chinese suppliers?
A: We are concentrating on pipe-making machines for more than 20 years. We have constructed many steady trading partners in Asia, Africa, the Middle East, Europe, and South America throughout the years.
ur, innovatively designed production line and every single unit of the production line are economical and practical.
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Get in touch with us
Contact Person : Ahmad
Tel : +8613383010938
Fax : 86-311-85956667
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