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- Energy storage hydraulic control system with reliable energy monitoring
- Energy storage high-flow hydraulic forming system
- High-precision digital servo synchronous actuation system
- Energy storage high-flow electro-hydraulic servo test system
- Energy storage, large flow compensation and balance hydraulic control system
- High-frequency fatigue testing system
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- Product
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Solution
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Energy storage hydraulic control system with reliable energy monitoring
- Energy storage high-flow power source start-up system
- Energy-saving electro-hydraulic control system
- Hydro-controlled system of electric furnace energy storage device power source
- Emergency control high-pressure accumulator power source for valves
- Governor energy storage power source electro-hydraulic control system
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Energy storage high-flow hydraulic forming system
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High-precision digital servo synchronous actuation system
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Energy storage high-flow electro-hydraulic servo test system
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Energy storage, large flow compensation and balance hydraulic control system
- High-frequency fatigue testing system
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Energy storage hydraulic control system with reliable energy monitoring
- Service
- Calculation
High-pressure fluid fittings
Gas safety valve and gas rupture disc
SCHWERLL supplies high‑pressure gas (or liquid) safety valves with stable performance, compliant with DN6 and DN9 specifications and equipped with pipeline‑mounted overflow discharge ports. Our products meet international standards such as CE and ASME, and their testing is conducted by authorized laboratories in accordance with I.S.P.E.S.L. or ASME national codes. In China, if you require a calibration certificate that complies with the Chinese TS standard, please specify this when placing your order.
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SCHWERLL offers high-pressure gas charging valves and gas charging valve manifolds. These valves (and manifolds) can be configured as integral components of standard accumulator assemblies, or installed as standalone valves or valve manifolds in pressure‑gas systems tailored to the specific process medium. Depending on application requirements—such as operating pressure, ambient temperature, and other parameters—customers may select from SCHWERLL’s range of specialized charging valves.
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High-pressure nitrogen hose assembly
SCHWERLL supplies specialized high-pressure gas hoses for accumulator system nitrogen hose assemblies, nitrogen‑charging and pressurization carts, and other applications. These hoses are engineered and manufactured specifically for high‑pressure gas service, utilizing dedicated materials and incorporating a puncture‑resistant treatment on the rubber surface of the finished product. Additionally, the metal fittings should be selected with designs, sealing configurations, and thread types that are compatible with the operating gas pressures.
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High-pressure discharge valve on the gas side
SCHWERLL liquid drain valves are typically installed at the bottom of gas cylinders or at the lowest point of a system. For certain horizontally mounted vessels, an internal stainless-steel flushing line may need to be pressurized. The standard product interface is G3/4–ISO 228 (the universally used connection size for gas cylinders). The design pressure is 350 bar, with a nominal diameter of DN 4 mm. Liquid drain valves for higher pressures are available, depending on the user’s operating conditions.
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Valve block with one-way shut-off function
SCHWERLL valve block for the nitrogen side, featuring a one-way shut-off function: in the normal operating state, it remains open, allowing bidirectional nitrogen flow; when closed, nitrogen is permitted to flow only from the accumulator toward the nitrogen cylinder side. Utilizing this valve block significantly enhances charging efficiency in accumulator systems during inflation, thereby reducing installation and commissioning time.
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Inflation and Inspection Valve Block
SCHWERLL gas-side safety and shut-off valve block, installed on the gas-side piping of accumulator systems, integrates inflation, pressure monitoring points, a gas safety valve, and a one-way shut-off function into a single unit, making it suitable for standard accumulator system module construction.
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SCHWERLL plug‑in flanges are specifically designed for large‑diameter pressure pipelines. Addressing the challenges inherent in installing flanged connections on such pipelines—such as difficult installation heights, alignment issues, and cumbersome seal‑replacement procedures—SCHWERLL’s plug‑in flanges feature a separate sealing element mounted on an independent insert. The hard‑seal system installed on both sides of this insert effectively compensates for installation deviations and simplifies seal replacement. These flanges accommodate nominal diameters up to DN 15,000 mm and can withstand working pressures of up to 100 MPa.
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Safety and Shut-off Valve Block
SCHWERLL SA-type oil‑side safety and shut‑off valve block, comprising a valve block, a built-in relief valve, a main shut‑off valve, and a manual or electric unloading valve, with pressure‑oil and return‑oil passages as well as the necessary pressure‑measurement ports.
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High-Pressure Ball Valve Series
SCHWERLL’s outstanding flow‑control and distribution technology demands high‑quality ball valves. SCHWERLL designs and manufactures large‑bore, high‑pressure ball valves that deliver reliable shut‑off performance; even at a nominal diameter of DN125 and a pressure rating of 35 MPa, these valves can be safely opened and closed via manual lever operation.
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For nitrogen‑pressure monitoring in accumulator systems and hydraulic‑fluid pressure measurement in hydraulic systems, SCHWERLL offers high‑precision pressure sensors, available with digital display and both digital and analog outputs. The pressure sensors supplied by SCHWERLL have been rigorously tested over long service lives in hydraulic and accumulator applications, demonstrating reliable performance. These are well‑established products, featuring sensor interfaces that fully match the standard ports on system valve blocks, while maintaining a compact installation footprint.
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Excessive nitrogen temperature within the accumulator system can lead to overpressure, causing thermal damage to component parts. System operation also imposes strict temperature‑control requirements for the hydraulic fluid. Drawing on years of experience in demanding operating conditions, SCHWERLL offers users a range of temperature sensors designed to monitor nitrogen‑related issues in the accumulator system or to measure the hydraulic fluid temperature in the hydraulic circuit.
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The UPS ultrasonic sensor is an external switch-type sensor used to measure piston position. It is mounted on the outer wall of an accumulator or hydraulic cylinder using mounting bases, clamps, and other accessories. During operation, the ultrasonic switch continuously emits ultrasonic signals and receives the reflected echoes. When the liquid level is detected, the switch’s output voltage changes, generating a discrete switching signal.
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Schwerll Fluid Control (Beijing) Co., Ltd.
Email: schwerlltec@schwerll.com.cn
Address: Building 39B, Floor 1, No. 16, Huanke Zhong Road, Tongzhou Park, Zhongguancun Science and Technology Park, Tongzhou District, Beijing
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