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Home > Hydraulic Accumulator > Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
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  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge

Multifunctional Portable Accumulator Nitrogen Charging Tool with Pressure Gauge—Ideal for the commissioning and maintenance of hydraulic equipment

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Short Description:This kit includes three Ø63mm pressure gauges (0-10MPa, 0-25MPa, 0-40MPa), a 2m test hose, and six crossover couplings (G1/4, M14×1.5, UNF 5/16, 5/8, 7/8, 1/2). Ideal for pressure testing and connection in hydraulic systems.
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  • Model:
    7-in-1
    7-in-1 Stainless Steel
    6-in-1
    5-in-1
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  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
1/1
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Multifunctional 7-in-1 Portable Hydraulic Accumulator Nitrogen Charging Tool with Pressure Gauge
  • Description
7-in-1 Product Specifications
Item
Description
Specification
Quantity
1
Pressure gauge
Ø63mm, 0-10MPa (100Kg/cm²)
1 piece
2
Pressure gauge
Ø63mm, 0-25MPa (250Kg/cm²)
1 piece
3
Pressure gauge
Ø63mm, 0-40MPa (400Kg/cm²)
1 piece
4
Test hose
Length = 2m
1 piece
5
Crossover coupling
G1/4
1 piece
6
Crossover coupling
M14 × 1.5
1 piece
7
Crossover coupling
UNF 5/16
1 piece
8
Crossover coupling
UNF 5/8
1 piece
9
Crossover coupling
UNF 7/8
1 piece
10
Crossover coupling
UNF 1/2
1 piece
11
WEIGHT(kg)
4
1 piece
12
MEAS(cm)
34*28*10.5
1 piece
6-in-1 Product Specifications
Item Description Specification Quantity
1 Pressure gauge Ø63mm, 0-25MPa (250Kg/cm²) 1 piece
2 Test hose Length = 2m 1 piece
3 Crossover coupling G1/4 1 piece
4 Crossover coupling M14 × 1.5 1 piece
5 Crossover coupling M28 × 1.5 1 piece
6 Crossover coupling UNF 5/16 1 piece
7 Crossover coupling UNF 5/8 1 piece
8 Crossover coupling UNF 7/8 1 piece
9 WEIGHT(kg) 4.5 1 piece
10 MEAS(cm) 32*27*20 1 piece

Product Introduction
This 7-in-1 accumulator nitrogen charging tool kit is a versatile nitrogen charging and pressure testing tool designed specifically for the maintenance of hydraulic system accumulators. It is compatible with the vast majority of bladder, piston, and diaphragm accumulators on the market. With just one tool, you can perform the entire process—from nitrogen pre-charging and pressure testing to adjustment and venting—making it an indispensable tool for the commissioning, repair, and routine maintenance of hydraulic equipment.



Key Features
7-in-1 Fully Compatible Design: With 7 specialized connectors, this kit fits the filling ports of over 95% of accumulator brands and specifications, eliminating the need for additional adapters and handling all applications with a single set.
Multi-Range Precise Pressure Measurement: Equipped with 3 pressure gauges of different ranges, it provides clear readings and minimal measurement error, meeting the pressure calibration needs of both low- and high-pressure accumulators.
Safe and Controlled Operation: The valve body integrates inflation, deflation, and pressure-holding functions, featuring a leak-proof seal design. It ensures stable and safe high-pressure operation, preventing nitrogen leaks or overpressure risks.
Industrial-Grade Durable Materials: The valve body and connectors are crafted from high-strength alloy, offering high-pressure resistance and corrosion resistance. Designed for harsh industrial environments, they ensure a long service life.
Portable All-in-One Design: A hard ABS protective case with shock-absorbing foam lining keeps accessories neatly organized, making it convenient for transport, on-site use, and long-term storage.

Applications
Nitrogen Recharging and Pressure Testing for Accumulators in Hydraulic Power Units, Injection Molding Machines, Die-Casting Machines, Hydraulic Presses, and Other Equipment.
Maintenance and Inspection of Accumulators in Construction Machinery (Concrete Pumps, Excavators) and Mining Equipment.

Packaging & Delivery
  • Secure Industrial Protection: Each cooler is individually packaged in reinforced, shock-absorbent crating to protect the cooling core and fittings during transit.
  • Global Fulfillment: Factory-direct dispatch with optimized logistics support to reach industrial hubs in Europe, North America, and Asia with minimal lead time.
  • Documentation Ready: Provided with full technical and export documentation to ensure hassle-free customs clearance and installation.

Certification & Quality Assurance

  • Global Standards: Manufactured under strict ISO9001, ISO14001, and ISO10012 quality management systems.
  • Long-Term Reliability: Engineered for an operational lifespan of 10+ years, providing a foundation of stability for your heavy-duty machinery.
  • Rigorous Integrity Testing: Every DC unit undergoes comprehensive pressure-testing to ensure leak-free operation and structural durability under load.


The MEISON Advantage 
  • Factory-Direct Expertise: "Factory-Direct Expertise. Professionally Curated." — 20+ years of manufacturing leadership in hydraulic components.
  • Global Trusted Partner: Over 1,000,000 units sold to 6,000+ satisfied customers worldwide.
  • Innovation & R&D: 60+ technical patents support our commitment to high-performance, precision-engineered hydraulic components.
  • Cinematic Industrial Image: Our design focus on technical authority and professional aesthetics helps you build immediate, long-lasting trust with your B2B customers.
(Frequently Asked Questions)

You are manufacturer or trading company?

We are a direct manufacturer, Dongxu Hydraulic Machinery Co., Ltd.
This means you get the most competitive factory price and direct technical support. There are no middlemen or traders involved. You are welcome to visit our factory at any time.

Can I have OEM service and put my logo on products or packaging?

Yes, OEM service is available. We offer customized solutions including brand logo printing, custom color painting, special thread types (G/BSPT/NPT), and SAE flange connections. Your brand identity is respected .

What is the lead time for this model?

It depends on the quantity. Shipment typically occurs within 10–15 business days after order confirmation. For large OEM orders, please contact us for confirmation.

What warranty services do you offer?

We offer a 12-month comprehensive warranty. In addition, we provide extended warranty and maintenance packages.
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