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E-mail
taomsun@vip.163.com
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Phone
13862625813
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Address
Building A, Renheng PARK, 1211 Xinghu Street, Suzhou Industrial Park
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SUZHOU TAOMSUN SCIENTIFIC INSTRUMENTS CO.,LTD
Viscosimeter Spring for Brookfield LV/RV/HA/HB Replacement OEM Custom
NegotiableUpdate on 08/30
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Overview
The TAOMSUN viscometer special spring is the core elastic component of the rotary viscometer, which is made of high-quality beryllium copper alloy or 316L stainless steel precision machined. The product accurately converts the fluid viscous resistance into a torsion angle signal, ensuring the linearity and data accuracy of viscosity measurement. Elastic error ≤ ± 0.5%, fatigue life ≥ 10 ⁷ -10 ⁸ times, working temperature -40 ℃~+150 ℃, suitable for Brookfield LV/RV/HA/HB full series and domestic NDJ series viscometers. Support OEM/ODM customization based on drawings, with full parameters including cross-section, torque (10-200g · cm), material, and size that can be processed as needed, and 5-10 samples available.
Product Details
TAOMSUN Core components of viscometer
🤝 Overseas technical partners:METICULAB™
TAOMSUN High Precision Viscometer Special Spring - Beryllium Copper Alloy/Stainless Steel Torque 10-200g · cm (Multi Range) Compatible with Brookfield and Domestic NDJ Series
Brand:TAOMSUN ｜Overseas technical support:METICULAB (Korea) |ISO 9001·Precision elastic component manufacturing
TAOMSUN viscometer specialized hairspringIt's a rotary viscometerCore elastic componentsUsing high-quality materialsBeryllium copper alloy (QSn) or 316L stainless steelMade by precision machining. The balance spring senses the fluid viscous resistance experienced by the rotor in the viscometer, generating a torsion angle proportional to it. By reading this torsion angle, the viscosity value of the liquid can be accurately calculated. The elastic stability error of the product is ≤± 0.5%, and the fatigue life is ≥ 10 ⁷ -10 ⁸ oscillation cycles to ensure the accuracy of the measured dataReproducibility and reliability.
🔍 Core features:Elastic error ≤ ± 0.5% ensures linear and accurate viscosity measurement; Fatigue life ≥ 10 times, durable and long-lasting; -Suitable for various laboratory and industrial environments with a wide temperature range of 40 ℃~+150 ℃; The cross-section can be customized (thickness 0.1-1.0mm) with precision control, matching the original factory specifications.
Schematic diagram of cross-sectional dimensions
Riveted copper seat structure
📋 Technical parameters (customizable range)
| Product Series | TAOMSUN Viscometer Spring Series |
| Brand/OEM | TAOMSUN(Overseas partner: METICULAB) |
| Material | Beryllium copper alloy/316L stainless steelOptional |
| Sectional dimensions (customizable) | Thickness 0.1-1.0 mm x Width 0.5-2.0 mm(Process according to the diagram) |
| Outer diameter (customizable) | Φ20–Φ80 mm(Typical Range) |
| Inner diameter (copper seat/mounting hole) | Φ2–Φ12 mm(with different shaft diameters) |
| Torque Range (Torque) | 10–200 g·cm(Covering LV/RV/HA/HB ranges) |
| Elastic stability error | ≤ ±0.5% ~ ±1.0%(Depending on specifications) |
| fatigue life | ≥ 10 ⁷ -10 ⁸ oscillation cycles |
| Operating Temperature | -40℃ ~ +150℃(Based on material selection) |
| Implementation Standard | JB/T 8206Spring for Mechanical Instruments |
| Compatible Models | Brookfield LV/RV/HA/HB · Domestic NDJ Series |
| Internal fastening process | Riveting/spot welding (according to the drawing requirements) |
| Quality System | ISO 9001·Precision manufacturing |
| customized service | Cross section, torque, material, and copper seat specifications can be customized as needed |
⭐ Core advantages
✅Micron-level precision- Precise control of key dimensions to ensure compatibility with the original viscosity meter from the factory
✅Excellent elastic stability- Error ≤ ± 0.5%, ensuring linear and accurate viscosity measurement
✅Ultra long fatigue life- ≥ 10 ⁷ -10 ⁸ oscillation cycles, meeting long-term usage needs
✅Wide temperature range adaptation-40 ℃~+150 ℃, suitable for various experimental and industrial environments
✅Dual material options availableBeryllium copper alloy (flexible and non-magnetic)/stainless steel (high-strength and corrosion-resistant)
✅High compatibility- Compatible with Brookfield's full range (LV/RV/HA/HB) and domestic NDJ series
✅Riveting process guarantee- The inner copper seat is riveted tightly, and the verticality of the middle copper sleeve is ensured
✅Full parameter customization- Customized cross-section, outer diameter, torque, and number of turns according to the diagram
🎯 Main application areas
Laboratory viscosity meter maintenance Brookfield parts replacement NDJ-1/NDJ-4 replacement Viscometer OEM matching Measurement of high viscosity fluids Special torque customization and modification
❓ Frequently Asked Questions (FAQ)
Q: Which viscometer models is this hairspring suitable for?
A: The TAOMSUN hairspring series is compatible with the entire Brookfield LV/RV/HA/HB series, as well as domestically produced rotary viscometers such as NDJ-1 and NDJ-4. Please provide the instrument model or original balance spring parameters for specific torque matching, and we will accurately adapt for you.
Q: How to choose between beryllium copper alloy and stainless steel materials?
A: Beryllium copper alloy (QSn) has good elasticity and resistance to electromagnetic interference, making it suitable for conventional laboratory environments; 316L stainless steel has higher strength and stronger corrosion resistance, making it suitable for special environments such as food and chemical industries.
Q: After the aging of the balance spring, the viscosity meter reading is inaccurate. Can the accuracy be restored by replacing the balance spring?
A: Okay. The balance spring is the core elastic component of the viscometer, and long-term use can cause reading deviation due to elastic attenuation. Replacing the balance spring with a new one that meets the original factory specifications can effectively restore the measurement accuracy of the instrument.
Q: Can non-standard torque values be customized?
A: Okay. TAOMSUN supports customization of any torque value within the range of 10-200g · cm, suitable for special fluid measurement or non-standard instrument modification.
Q: How long is the usual delivery time for customized orders?
A: Standard products are always in stock, and spot goods can be shipped within 1-3 days. Customized products typically have a delivery time of 10-25 working days depending on their complexity.
🏭 About TAOMSUN
Suzhou TAOMSUN Scientific Instrument Co., LtdWe are a professional supplier specializing in the core components of laboratory instruments and precision elastic components. The company has been deeply involved in the field of viscosity meter accessories for many years, with a complete quality control system and mature supply chain resources. Its products strictly comply with the industry standard JB/T 8206 "Spring for Mechanical Instruments". The core team has decades of experience in precision machining and instrument maintenance, dedicated to providing laboratory customers and instrument manufacturers withHigh precision, high reliability, and high matchingViscometer hairspring and supporting services.🌏 Overseas technical support is provided by METICULAB from South Korea.
TAOMSUN
Core components of viscometer
📧 Sales Consultation
taomsun@vip.163.com
+86-13862625813
🌏 Overseas technical partners
METICULAB™
choikyc@gmail.com Icult-inventor responsible; + 82 - 10 - 3988 - 4813
WhatsApp / KakaoTalk
TAOMSUN viscometer hairspring are manufactured under a precision quality control system. The specification parameters are typical values, and customized configurations may vary.
If you need OEM/ODM customization, non-standard torque or special materials, please contact our sales team. Overseas customers can contact METICULAB (Korea) for Korean/English technical consultation.
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