BSW-Series Square Drive Hydraulic Torque Wrench Manufacturer in China

High-Precision Hydraulic Torque Wrenches for Industrial Bolting Applications

LONGLOOD BSW-Series Square Drive Hydraulic Torque Wrenches are designed for accurate, sekura, and efficient bolt tightening and loosening in demanding industrial environments. Featuring aerospace-grade alloy construction, advanced 3D CAD engineering, and precision hydraulic drive technology, these tools provide reliable torque output with accuracy up to ± 3%.

With torque ranges from 183 Nm al 72,000 Nm, the BSW Series covers a wide variety of fastening applications, including oil & gaso, elektroproduktado, petrolkemiaj, konstruo, minado, ŝipkonstruado, kaj prizorgado de peza ekipaĵo.

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Key Features of BSW-Series Hydraulic Torque Wrenches

High-Strength Aerospace Material Construction

The BSW Series features a high-tech aerospace alloy body manufactured through integrated molding technology.

Profitoj inkluzivas:

• Excellent strength-to-weight ratio
• High durability under heavy loads
• Plibonigita koroda rezisto
• Longa funkcidaŭro en severaj industriaj medioj

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Precision Torque Control ±3%

Designed with advanced 3D CAD engineering, LONGLOOD hydraulic torque wrenches provide:

• Accurate torque output
• Stabila hidraŭlika rendimento
• Reduced risk of bolt over-tightening or under-tightening
• Reliable repeatability during critical bolting operations

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Quick Release Square Drive System

The square drive design allows operators to quickly switch between:

• Tightening operations
• Loosening operations

No special tools are required, improving working efficiency and reducing downtime.

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360° Swiveling Hydraulic Inlet Port

The hydraulic inlet port rotates 360°, havigante:

• Fleksebla pozicio
• Easy operation in confined spaces
• Reduced hose twisting
• Plibonigita operacianta sekureco

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360° Fine Adjustment Reaction Arm

An optional adjustable reaction arm provides:

• Better reaction point positioning
• Pliigita aplika fleksebleco
• More accurate torque transfer
• Improved safety during operation

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Aplikoj

LONGLOOD BSW-Series Hydraulic Torque Wrenches are widely used in:

• Oleo & gas pipeline maintenance
• Instalado de Petrokemiaj ekipaĵoj
• Wind power projects
• Bontenado de elektrocentralo
• Steel structure construction
• Ŝipkonstruado kaj enmaraj industrioj
• Mining equipment servicing
• Peza maŝinaro muntado

Taŭga por:

• streĉado de flanĝo-riglilo
• Large industrial fasteners
• High-strength structural bolts
• Pipeline connections

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BSW-Series Hydraulic Torque Wrench Specifications

Modelo	Square Drive Size	Torqueda Gamo (Nm)	Riglilo Grandeco (M)	Pezo
BSW-1	3/4"	183-1837	M16-M36	2 kg
BSW-3	1"	451-4512	M22-M48	4 kg
BSW-5	1-1/2"	752-7528	M27-M56	7 kg
BSW-8	1-1/2"	1078-10780	M30-M64	9.1 kg
BSW-10	1-1/2"	1551-15516	M36-M72	13.1 kg
BSW-20	2-1/2"	2666-26664	M42-M90	25 kg
BSW-25	2-1/2"	3572-34725	M48-M100	31 kg
BSW-35	2-1/2"	4866-48666	M64-M120	45 kg
BSW-50	2-1/2"	7200-72000	M72-M125	87 kg

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Technical Design Advantages

Lightweight and Compact Structure

Compared with traditional bolting equipment, the BSW Series offers:

• Compact profile
• Reduktita operaciisto laceco
• Facila transportado
• Access to restricted working areas

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High Torque Output

The wide torque range allows one tool series to handle:

• Small industrial bolts
• Large flange connections
• Heavy-duty structural fastening applications

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Reliable Hydraulic Performance

The hydraulic drive system provides:

• Smooth torque application
• Constant output force
• Kontrolita streĉa precizeco

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Kial Elekti LONGLOOD Hidraŭlikajn Tordŝlosilojn?

Profesia Hidraŭlika Ila Fabrikisto

LONGLOOD specialiĝas pri hidraŭlikaj iloj kaj industriaj riglilaj solvoj, liverado de profesiaj ekipaĵoj por tutmondaj distribuistoj, entreprenistoj, kaj industriaj uzantoj.

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OEM & Kapablo de ODM

Disponebla personigo:

• Logomarko
• Produkta koloro
• Pakita dezajno
• Akcesoraĵoj
• Teknikaj dokumentoj

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Kompleta Hidraŭlika Boltinga Solvo

LONGLOOD provizas:

• Hidraŭlikaj tordmomantaj ŝlosiloj
• Hidraŭlikaj pumpiloj
• Hidraŭlikaj rigliloj streĉiloj
• Hidraŭlikaj nuksoj
• Nuksfendiloj
• Akcesoraĵoj kaj rezervaj partoj

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Oftaj Demandoj (Oftaj Demandoj)

1. Kio estas la tordmomanta precizeco de la hidraŭlika tordmomanto de BSW?

La BSW Serio disponigas tordmomantan precizecon de ± 3%, certigante fidindan kaj ripeteblan agadon de streĉado de rigliloj.

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2. Kiaj industrioj uzas hidraŭlikajn tordmomantajn ŝlosilojn?

Ili estas ofte uzataj en:

• Petrolo kaj gaso
• Petrokemio
• Elektroproduktado
• Ventoenergio
• Ŝipkonstruado
• Prizorgado de peza ekipaĵo

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3. Kiel funkcias hidraŭlika tordŝlosilo?

La hidraŭlika pumpilo liveras altpreman oleon al la ŝlosilcilindro, generante kontrolitan tordmomantan eliron por streĉi aŭ malstreĉi riglilojn precize.

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4. Kiaj kvadrataj diskograndecoj disponeblas?

La BSW-Serio ofertas:

• 3/4"
• 1"
• 1-1/2"
• 2-1/2"

kvadrataj veturaj opcioj.

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5. Ĉu la reagbrako povas esti personecigita?

Jes. LONGLOOD offers optional extended and adjustable reaction arms for special applications.

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6. Can these tools be used for bolt loosening?

Jes. The quick-release square drive allows easy switching between tightening and loosening operations.

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7. Do you provide complete hydraulic torque wrench kits?

Jes. LONGLOOD can supply complete solutions including:

• Hydraulic torque wrench
• Hidraŭlika pumpilo
• Hoso
• Kupliloj
• Akcesoraĵoj
• Carrying case

How to Use a Hydraulic Pump Safely and Correctly

A hydraulic pump is the power source that converts mechanical force into hydraulic pressure to operate hydraulic cylinders, jakoj, Pullers, tordŝlosiloj, and other hydraulic equipment. Proper operation ensures maximum performance, sekureco, kaj pli longa servodaŭro.

Hydraulic Pump Operating Guide

1. Check the Hydraulic System Before Operation

Before using the pump, inspect all components carefully.

Kontrolu:

• Hydraulic pump condition

• Hydraulic oil level

• Hose condition

• Couplers and fittings

• Premomezurilo

• Hydraulic cylinder or tool connections

Make sure:

• There are no oil leaks

• All connections are tight

• The working pressure rating of all components matches the pump pressure

Never use damaged hoses, leaking fittings, or worn hydraulic components.

2. Select the Correct Hydraulic Oil

Use the recommended hydraulic oil specified by the manufacturer.

Before operation:

• Check oil level in the reservoir

• Add hydraulic oil if required

• Avoid mixing different types of hydraulic oil

• Keep oil clean and free from contamination

Contaminated hydraulic oil can damage:

• Pump valves

• Sigeloj

• Cilindroj

• Internal hydraulic components

3. Connect the Hydraulic Components

For a typical hydraulic cylinder system:

Connection order:

1. Connect hydraulic hose to the pump outlet

2. Connect the other end of the hose to the cylinder coupler

3. Install the pressure gauge if required

4. Ensure all couplers are fully locked

Make sure:

• Couplers are completely engaged

• Dust caps are removed before connection

• Connections are free from dirt and debris

4. Open the Hydraulic System

Before pressurizing:

• Open the release valve completely

• Confirm the cylinder piston is fully retracted

• Ensure the load is correctly positioned

For electric or air-powered pumps:

• Confirm power supply matches pump requirements

• Check motor rotation direction if applicable

• Ensure emergency stop functions properly

5. Operate the Hydraulic Pump

Manlibro Hidraŭlika Pumpilo

For hand pumps:

1. Close the release valve

2. Move the pump handle up and down

3. Hydraulic pressure will increase

4. Monitor the pressure gauge

5. Stop pumping when the required pressure or position is reached

Elektra hidraŭlika pumpilo

For electric pumps:

1. Connect the power supply

2. Start the pump motor

3. Use the control valve to extend the cylinder

4. Monitor pressure on the gauge

5. Stop operation when the required force is achieved

Aera Hidraŭlika Pumpilo

For air-driven pumps:

1. Connect compressed air supply

2. Adjust air pressure according to specifications

3. Activate the control valve

4. Monitor hydraulic pressure

5. Stop when the operation is complete

6. Monitor Pressure During Operation

Always observe the pressure gauge.

Important:

• Never exceed the rated pressure

• Maximum operating pressure is commonly 700 trinkejo (10,000 psi) for many industrial hydraulic systems

• Avoid sudden pressure increases

• Stop immediately if abnormal noise, vibrado, or leakage occurs

7. Releasing Hydraulic Pressure

After completing the operation:

1. Stop the pump

2. Slowly open the release valve

3. Allow hydraulic pressure to decrease gradually

4. Confirm the cylinder returns safely

5. Disconnect hoses after pressure reaches zero

Never disconnect hydraulic hoses while the system is pressurized.

8. Hydraulic Pump Maintenance

Regular maintenance improves reliability.

Daily Inspection

Kontrolu:

• Oleo elfluas

• Hose damage

• Coupler condition

• Oil level

• Pressure gauge accuracy

Regular Maintenance

Faru:

• Hydraulic oil replacement

• Filter cleaning or replacement

• Seal inspection

• Hose replacement when worn

Common Hydraulic Pump Problems and Solutions

Problemo	Ebla Kaŭzo	Solvo
Pump cannot build pressure	Low oil level	Add hydraulic oil
Cylinder moves slowly	Air inside system	Bleed air from hydraulic circuit
Oil leakage	Damaged seal or fitting	Replace damaged parts
Pump becomes noisy	Low oil or contaminated oil	Check and replace oil
Pressure cannot hold	Valve leakage	Inspect valves and seals

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Safety Tips When Using Hydraulic Pumps

✔ Always use equipment within rated capacity
✔ Wear safety glasses and protective equipment
✔ Keep hands away from moving hydraulic components
✔ Use stable lifting surfaces
✔ Do not stand under suspended loads
✔ Never modify hydraulic components
✔ Release pressure before maintenance

Hydraulic Pump and Cylinder Compatibility

Before selecting a pump, confirm:

Single Acting Cylinder

Requires:

• Single acting hydraulic pump

• Hydraulic hose

• Mezurilo

• Release valve

Double Acting Cylinder

Requires:

• Hydraulic pump with a 4-way directional valve

• Two hydraulic ports

• Correct return circuit

Using the wrong pump type may prevent the cylinder from operating correctly.

Oftaj Demandoj (Oftaj Demandoj)

1. How do I start a hydraulic pump?

First check oil level and connections, close the release valve, then operate the pump handle or start the motor depending on the pump type.

2. How much pressure can a hydraulic pump generate?

Industrial hydraulic pumps commonly operate up to 700 trinkejo (10,000 psi), while some special high-pressure pumps can reach higher pressures.

3. Why is my hydraulic pump not building pressure?

Common reasons include:

• Low hydraulic oil level

• Air in the system

• Malfiksaj konektoj

• Damaged seals

• Faulty valves

4. Can one hydraulic pump operate multiple cylinders?

Jes, depending on:

• Pump oil capacity

• Flukvanto

• Cylinder volume

• Required operating speed

A larger hydraulic system may require a higher-capacity pump.

5. How do I choose the right hydraulic pump?

Consider:

• Cylinder type (single acting or double acting)

• Required pressure

• Oil capacity

• Flukvanto

• Power source (manlibro, electric, air, gasoline)

6. Why does a hydraulic cylinder stop moving?

Possible causes:

• Insufficient oil flow

• Closed valve

• Air in hydraulic system

• Overloaded cylinder

• Pump malfunction

7. How often should hydraulic oil be changed?

Oil replacement depends on usage conditions, but regular inspection and scheduled maintenance are recommended for industrial applications.

8. Can hydraulic pumps be used outdoors?

Jes, but outdoor applications require:

• Proper weather protection

• Corrosion-resistant components

• Clean hydraulic oil

• Protection from dust and moisture

LONGLOOD Hydraulic Pump Solutions

LONGLOOD provides complete hydraulic solutions including:

• Manaj hidraŭlikaj pumpiloj

• Elektraj hidraŭlikaj pumpiloj

• Aeraj hidraŭlikaj pumpiloj

• Gasoline engine hydraulic power units

• Hidraŭlikaj cilindroj

• Hidraŭlikaj tiriloj

• Hidraŭlikaj tordmomantaj ŝlosilsistemoj

Desegnita por industria prizorgado, konstruo, peza levo, and professional hydraulic applications.

How to Use a Hydraulic Pump with a Hydraulic Torque Wrench

A hidraŭlika tordmomanta ŝlosilsistemo consists of a hidraŭlika pumpilo, high-pressure hoses, and hydraulic torque wrench. The pump generates controlled hydraulic pressure, which drives the wrench to produce accurate and repeatable torque for tightening or loosening high-strength bolts.

LONGLOOD hydraulic torque wrench systems are widely used in industries such as wind power, oleo & gaso, petrolkemiaj, ŝipkonstruado, elektrocentraloj, peza maŝinaro, and steel structures, where precise bolt tightening is critical.

Hydraulic Torque Wrench System Components

A complete hydraulic torque wrench system includes:

1. Hidraŭlika Tordŝlosilo

   • Converts hydraulic pressure into rotational torque

   • Provides accurate bolt tightening force

2. Hidraŭlika Pumpilo

   • Generates hydraulic pressure

   • Controls torque output through pressure adjustment

3. Altpremaj Hidraŭlikaj Hosoj

   • Transfers hydraulic oil between pump and wrench

4. Premomezurilo

   • Displays hydraulic pressure

   • Allows accurate torque adjustment

5. Socket / Drive Accessories

   • Connects wrench to the bolt or nut

Step-by-Step Guide: Using Hydraulic Pump with Hydraulic Torque Wrench

Paŝo 1: Select the Correct Hydraulic Pump

Choose a pump according to the torque wrench requirements.

Consider:

• Required torque range

• Operating pressure

• Oil flow rate

• Number of wrenches used simultaneously

Most industrial hydraulic torque wrench systems operate at:

Maksimuma Premo: 700 trinkejo (10,000 psi)

Ekzemplo:

A 700 bar electric hydraulic torque wrench pump can provide stable pressure output for high-precision bolting applications.

Paŝo 2: Check Hydraulic Oil Level

Before operation:

• Check hydraulic oil level in the pump reservoir

• Ensure oil is clean

• Uzu rekomenditan hidraŭlikan oleon

Insufficient or contaminated oil may cause:

• Reduced torque accuracy

• Pump overheating

• Internal component damage

Paŝo 3: Connect Hydraulic Hoses

Connect the pump and wrench using high-pressure hoses.

Connection procedure:

1. Turn off the hydraulic pump

2. Connect the supply hose to the wrench

3. Connect the return hose to the wrench

4. Tighten couplers securely

5. Install protective dust caps when not in use

Important:

• Never connect or disconnect hoses under pressure

• Ensure hoses are not twisted or damaged

• Use only hoses rated for 700 bar operation

Paŝo 4: Connect the Hydraulic Torque Wrench

Install the wrench onto the bolt.

Before operation:

• Select correct socket size

• Confirm wrench reaction arm position

• Ensure the reaction point is stable

• Check that the wrench is aligned correctly

The reaction arm must contact a solid surface to prevent movement during operation.

Paŝo 5: Adjust Hydraulic Pressure

Hydraulic pressure determines the torque output.

Proceduro:

1. Check the torque chart supplied with the wrench

2. Find the required torque value

3. Convert required torque into hydraulic pressure

4. Adjust the pump pressure regulator

5. Confirm pressure on the gauge

Ekzemplo:

If the torque chart indicates a specific pressure setting for a required torque value, adjust the pump until the gauge reaches that pressure.

Paŝo 6: Operate the Hydraulic Pump

Electric Hydraulic Pump Operation

1. Connect power supply

2. Turn on the pump

3. Select forward/retract mode

4. Pump sends hydraulic oil to the wrench

5. Wrench rotates and tightens the bolt

6. Release pressure after reaching the required torque

Manual Hydraulic Pump Operation

1. Close release valve

2. Operate pump handle

3. Monitor pressure gauge

4. Continue pumping until required pressure is reached

5. Release pressure after completing tightening

Paŝo 7: Tightening Procedure

Recommended tightening process:

1. Place torque wrench on the bolt

2. Position reaction arm securely

3. Increase hydraulic pressure slowly

4. Allow wrench to complete the tightening cycle

5. Release pressure

6. Repeat cycles if required

Por kritikaj aplikoj:

• Use cross-pattern tightening

• Follow specified bolt sequence

• Confirm final torque value

Paŝo 8: Release Pressure and Remove Equipment

After completing the operation:

1. Stop the hydraulic pump

2. Release hydraulic pressure completely

3. Confirm gauge reads zero

4. Disconnect hoses

5. Remove torque wrench

Never remove hoses while pressure remains inside the system.

Hydraulic Pump Selection for Torque Wrench

Pumpila Tipo	Apliko
Elektra hidraŭlika pumpilo	Factory maintenance, konstruejoj, industria boltado
Aera Hidraŭlika Pumpilo	Explosion-risk areas, oleo & gas applications
Gasoline Hydraulic Power Unit	Outdoor heavy-duty applications
Manlibro Hidraŭlika Pumpilo	Small torque applications and portable use

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LONGLOOD Electric Hydraulic Torque Wrench Pump Example

PEA4-9-220 Elektra Tordmomantŝlosila Pumpilo

Trajtoj:

• Kompakta kaj malpeza dezajno

• High precision pressure adjustment

• Imported solenoid valve and piston components

• Stable torque control

• Suitable for repeated bolting operations

Teknikaj Specifoj:

Parametro	Value
Tensio	220V
Ofteco	50Hz
Kapacito de Petrolo	6L
Potenco	1.3 kW
Maksimuma Premo	700 trinkejo
Malalta Fluo	8 L/min
Alta Fluo	1 L/min
Pezo	30 kg

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Hydraulic Torque Wrench Safety Guidelines

✔ Always use a pump, hoso, and wrench with matching pressure ratings
✔ Never exceed 700 bar maximum pressure
✔ Inspect hoses before every operation
✔ Keep hands away from reaction points
✔ Ensure the reaction arm is properly positioned
✔ Do not use damaged sockets or accessories
✔ Release pressure before disconnecting hoses
✔ Wear safety protection during operation

Oftaj Demandoj (Oftaj Demandoj)

1. Why does a hydraulic torque wrench need a hydraulic pump?

The hydraulic pump provides controlled pressure that powers the wrench. The pressure is converted into precise torque output for bolt tightening.

2. What pressure does a hydraulic torque wrench use?

Most industrial hydraulic torque wrench systems operate at:

700 trinkejo (10,000 psi) maksimuma premo.

3. Can one hydraulic pump operate multiple torque wrenches?

Jes. Some hydraulic pumps can operate multiple wrenches simultaneously if the pump flow rate and oil capacity are sufficient.

4. How do I set the correct torque value?

The required torque is determined using the wrench manufacturer's torque-pressure conversion chart. Adjust the hydraulic pump pressure according to the required torque.

5. Can a hydraulic pump be used with different torque wrench brands?

Jes, as long as:

• Operating pressure matches

• Hose connections are compatible

• Oil flow requirements are suitable

6. What is the difference between a normal hydraulic pump and a torque wrench pump?

A torque wrench pump is specially designed for:

• Preciza prema kontrolo

• Stable flow output

• Repeated tightening cycles

• Accurate torque application

7. Why is torque accuracy important?

Correct torque ensures:

• Proper bolt preload

• Joint safety

• Reduced risk of bolt failure

• Reliable equipment operation

8. What industries use hydraulic torque wrench systems?

Oftaj aplikoj inkluzivas:

• Wind turbines

• Oil and gas pipelines

• Petrochemical equipment

• Elektrocentraloj

• Ŝipkonstruado

• Steel structures

• Peza maŝinaro

LONGLOOD Hydraulic Torque Wrench Solutions

LONGLOOD provides complete hydraulic bolting solutions including:

• Electric hydraulic torque wrench pumps

• Aermovitaj hidraŭlikaj pumpiloj

• Gasoline hydraulic power units

• Hidraŭlikaj tordmomantaj ŝlosiloj

• High-pressure hoses and accessories

Designed for accurate, sekura, and efficient industrial bolt tightening applications.

Petu Citaĵon

Serĉante fidindan Square Drive Hydraulic Torque Wrench Manufacturer in China?

Kontaktu LONGLOOD por teknikaj specifoj, OEM-solvoj, kaj fabrik-rektaj prezoj.

✓ Torque Range Up to 72,000 Nm
✓ Accuracy ±3%
✓ Aerospace Alloy Construction
✓ OEM & ODM Havebla
✓ Industrial Bolting Solutions Worldwide