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G761-3033b Steam Turbine Direct-Operated Proportional Electro Hydraulic Servo Valve1
Valve, Servo Valve, Control Valve
Dongfang Yoyik (Deyang) Engineering Co., Ltd.
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Product Description Product DescriptionThe G761-3033B Servo Valve is specifically designed for the anti-fuel system of steam turbines to supply oil to the actuator of the safety regulation system, ensuring its normal operation. Due to the high pressure of the anti-fuel, small clearances in the hydraulic moving parts, and a servo valve clearance of 5 to 10 micrometers, it is essential to ensure that the oil particle size meets the specified SAE 2 or NAS 5 level before proceeding to the next stage of the debugging process.Structure:The G761 Series flow control servovalves are designed to provide high-performance control for electrohydraulic systems. The valve consists of a closed center, four-way sliding spool as its output stage, ensuring precise control and efficient operation. The pilot stage features a symmetrical double-nozzle and flapper, driven by a double air gap, dry torque motor. To provide accurate spool position feedback, a cantilever spring is used in the mechanical feedback system.The G761-3033B Servo Valve stands out with its simple and rugged design, ensuring dependable and long-lasting performance. The design incorporates a carbide-tipped feedback wire, controlled by a carbide ball at its end, which is a mandatory requirement to ensure high accuracy, reliable operation, and extended service life. Product Parameters Technical Specification of Servo Valve for ReferenceValve TypeG761 series Electro hydraulic servo valveConnectionAviation plugMaterialStainless steelMaximum Rated Flow76l/minMaximum Total Null Leakage2l/minMaximum Pilot Flow0.35l/minMaximum Supply Pressure210barMinimum Supply Pressure14barProof Pressure150% At Supply PortBurst Pressure Return Port Open250%Maximum Operating Temperature135°CHysteresis Around Null≤3%Symmetry Error<10%Linearity Error<10%Threshold≤0.5%ConditionBrand-NewAfter-serviceCleaning and testing Detailed PhotosProduct Features:- High pressure capability: capable of withstanding a pressure drop of 35 bar (500 psi) at each valve core gap, suitable for high-pressure environments in fire-resistant oil systems.- Accurate control: capable of providing precise flow regulation to ensure the normal operation of the regulating security system.- Reliability: Simple design, sturdy structure, able to operate stably for a long time, and suitable for harsh industrial environments.- High precision: It can provide high-precision control and has high dynamic performance.Applications of Servo Valve:1. Power industry: Servo valve G761-3033B is widely used in the industrial field, especially in the control system of steam turbines in power plants.2. Petroleum and Natural Gas Industry: Servo valves can be used to control the flow and pressure of fluid media during the extraction, transportation, and processing of petroleum and natural gas.3. Chemical industry: In the chemical process, servo valves can achieve precise control in various links such as chemical reactors, separation equipment, and processing devices, ensuring the stability and quality of chemical production.In addition to the industries mentioned above, servo valves can also be used in aerospace, metallurgy, water treatment, food processing and other fields to meet the needs of various industrial applications. Related ProductsYoyik offers different types of Hydraulic solenoid valves for industrial users:servo valve ZD.01.003Servo valve SM4-20(15)57-80/40-10-H607Hservo valve G761-3034BServo Valve SM4-20(15)57-80/40-10-H607-Hservo valve SF21Aservo valve flushing plate parts 0508.1161T0101.AW031servo valve flushing plate parts 0508.1161T0103.AW031servo valve 0508.1300T0102.AW003servo valve J761-004AMOOG servo valve for gas turbine G771K201ASERVO VALVE 0508.919T0102.AW019HYDRAULIC SERVO PROPORTIONAL VALVE D664-4798-L05HABW6NEX2-GServo valve G761-3005BMOOG SERVO VALVE G761-3000BDirect-Operated Servo Valves D633-7392 Packaging & Shipping Standard & solid packaging ensures your goods safety. Various professional packages at your choice Multiple choice of reliable and cost-effective shipping methods available. Company Profile- ABOUT US -Dongfang Yoyik Engineering Co., Ltd is located in Deyang, Sichuan, China's heavy equipment base, was founded in 2004. The company is a professional power plant spare parts manufacturer and supplier. Our products are applicable for many thermal power plants, hydropower plants, metallurgic industrial power plant, cement plant power house, aluminum plant power house, and coal mill power plants.From advanced precision electric elements and components to highly-customized metal items, you can find all the needed for a power plant from Yoyik.Yoyik is the exclusive agent of W.M. Nugent CO Inc for selling Nugent filter elements and filtration system products in China. The company also has great advantages in of many hydraulic products, including pumps, valves, sealing materials, etc. the brands include Eaton, Vickers, Moog, star, copaltite, temp-tite, 707, etc. Our Advantages - TECHNICAL PATENTS - - OUR ADVANTAGE -- COOPERATIVE INDUSTRIES -Yoyik offers wide range of spare parts for customers in different industries: FAQ- ORDER NOTES -√ Model SelectionBefore purchasing, please ensure that the model specifications you provide are complete or that the drawings have been drawn so that you can provide timely and accurate quotations.√ Quality AssuranceWe promise to provide high-quality products and after-sales service. If there are any quality issues, please contact us promptly.√ Secure TransactionsWe sell on MIC, provide a secure and reliable trading environment, and accept multiple payment methods to facilitate your purchase. - FAQ -- Are you trading company or manufacturer?We are factory located in Deyang, China.- How long is your delivery time?Generally it is 2-5 days if the goods are in stock. Or it is 7-21 days if the goods are not in stock, it is according to quantity.- Do you provide samples? Is it free or extra?Sorry we do not offer samples.- What price terms do you accept?Our company can accept all trading manners, eg. EXW, FOB, CIF etc- What payment terms do you accept?We accept T/T.
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