Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
                                                                                                           
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Moog Servo Valve with Up to 140 L/min Flow Rate 1A Rated Current and 24V 220V Voltage Electro-Hydraulic Proportional Control

Price Negotiable
Price: 2
MOQ: 1
Delivery Time: 2 weeks
Brand: MOOG
Product Description
MOOG Electro-Hydraulic Servo Valve Series

D661-4594C, D661-4624, D661-4636, D661-4640, D661-4649, D661-4650, D661-4651, D661-4652, D661-4691C, D661-4697C

Product Specifications
Parameter Value
Rated Current 1A
Voltage 24V / 220V
Power 0.1 kW
Brand MOOG
Place of Origin Germany
Application LED touch control
Material PVC, Steel, Copper
Rated Frequency 50 Hz
Type Servo proportional valve
Control Electro hydraulic/Proportional
Construction Material Advanced alloy steel/cast iron
Compatible Models
Original MOOG: D661-2057, D661-205A, D661-318A, D661-363, D661-363A, D661-363D, D661-3702E, D661-4020B, D661-423A, D661-4491E, D661-450C, D661-450D-4, D661-473B, D661-4744, D661-4793, D661-515A, D661-5718, D661-5729, D661Z1718F, D661Z2742F, D661Z2743H, D661Z3726E, D661Z5604, D661Z6716, D661Z671C, D661Z736A, D662-1714G, D662-1942E, D662-2714E, D662-4348K, D662-5704, D662-580A, D662-5NC, D662-Z917G, D662E957A, D662Z4719B, D662Z902B, D663-1902E, D663-2709E, D663-344C, D663-344K, D663-363C, D663-4002, D663-5002, D663-814A, D663Z1713M, D663Z2706EF, D663Z270H, D663Z2770H, D663Z4712B, D663Z703G, D663Z954AB, D663Z954B, D663Z954C, D664-2708E, D664-375K, D664-519, D664-5302, D664-757A, D664E209C, D664Z1905F, D664Z4710B, D665-4007D, D665E5004, D682Z4706B, D682Z4709B, D682Z4809, D682Z4809G, D684E4715, D684Z4715B, D684Z47245, D684Z4724B, D684Z4733F, D684Z4815, D684Z4857G, D684Z4862, D688Z4701D, D688Z4701E, D688Z4702A, D688Z4705B, D691-2090D, D691Z2086D, D733-7368, D760-026A, D760-103A, D760-317A, D760-503A, D760-505A, D760-506A, D760-858A, D760-880A, D760-938A, D761-104, D761-2620, D761-532, D761-883, D765-1601, D770-801
MOOG D661 Series Electro-Hydraulic Servo Valve
Installation Requirements
  • Filtration: Install a precision filter with a rating of 5 microns or less upstream of the servo valve. Maintain hydraulic fluid cleanliness at maximum ISO DIS 4406 Code 16/13 (Code 14/11 recommended).
  • System Flushing: Thoroughly flush the entire hydraulic system before installation to remove contaminants. Use a flushing manifold and circulate fluid under normal operation conditions.
  • Mounting: Can be mounted in any orientation with proper port alignment. Ensure mounting surface is clean, smooth, and flat. Torque screws to 96 inch-pounds.
  • Connections: Use O-ring seal connections (SAE J1926). Prefer crimped or 24-degree cone type connections over welded fittings.
Troubleshooting Guide
Symptom Possible Causes
Servovalve does not follow input command 1. Open coil or coil leads
2. Clogged inlet filter
Poor response 1. Clogged inlet orifices or nozzles
2. Partially clogged filter
3. "Sticky" spool
No response to electrical signal Shorted coil assembly
Low flow gain 1. Incorrect null adjustment
2. Partially plugged orifice or filter
Maintenance Guidelines
  • Hydraulic Fluid: Maintain recommended cleanliness level. Change oil every six months and keep temperature between 40°C to 50°C.
  • Filters: Monitor pressure drop across filters and replace elements periodically or when pressure drop becomes excessive.
  • Regular Inspection: Check for electrical faults, mechanical failures (stuck valve spool, damaged springs, worn seals), and hydraulic issues (oil contamination, leaks).

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
Location Nan'an, Fujian Province, China
Contact Person liyun

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