Shaanxi Qindiyuan Environmental Protection Equipment Co., Ltd.
| Productname | Valve Positioners |
| Supply Ability | 10000 pcs |
| Material | Aluminum alloy / Stainless steel |
| Payment Terms | T/T |
| Application | Control of industrial control valves in process industries |
| Delivery Time | 5-7 days |
| Certification | Brand new original |
| Model Number | D634-319C |
| Brand Name | MOOG |
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Product Specification
| Productname | Valve Positioners | Supply Ability | 10000 pcs |
| Material | Aluminum alloy / Stainless steel | Payment Terms | T/T |
| Application | Control of industrial control valves in process industries | Delivery Time | 5-7 days |
| Certification | Brand new original | Model Number | D634-319C |
| Brand Name | MOOG | ||
| High Light | MOOG D634-319C servo valve ，40 L/min rated flow servo valve ，electro-pneumatic direct acting valve | ||
The MOOG D634‑319C is a direct‑acting electro‑hydraulic servo valve of D634 DDV series. Driven by permanent‑magnet linear force motor, it converts analog electrical control signals into precise hydraulic flow output, without pilot‑oil supply requirement. It accurately regulates flow, pressure, position and velocity for hydraulic actuators, widely adopted for high‑precision closed‑loop motion control in heavy‑duty industrial hydraulic systems.
✅ Direct‑acting pilot‑free structure: No pilot oil required, dynamic performance keeps stable regardless of system pressure fluctuation ✅ Integrated closed‑loop spool‑position feedback: Low hysteresis, high resolution and outstanding repeatability for accurate control ✅ Spring‑centered fail‑safe design: Spool returns to neutral position upon power loss or cable damage, improving equipment safety ✅ High‑output linear force motor: Strong anti‑jamming capacity, adapts to harsh polluted hydraulic oil environment ✅ Low power consumption at hydraulic zero point, energy‑saving for continuous operation condition ✅ ISO 4401‑05 standard mounting interface, easy installation and interchangeability with standard hydraulic manifolds ✅ IP65 housing rating, reliable performance under workshop dust and splash conditions ✅ 24 VDC PWM integrated electronics, compatible with mainstream industrial analog control signals
| Item | Specification |
|---|---|
| Model | D634‑319C |
| Brand | MOOG |
| Type | Direct‑Acting Electro‑Hydraulic Servo Valve (DDV) |
| Rated Flow | 40 L/min (at Δp = 35 bar per metering edge) |
| Max Operating Pressure | 350 bar (5000 psi) for P/A/B ports |
| Mounting Standard | ISO 4401‑05 (NG10) |
| Control Signal | ±10 V / ±10 mA / 4‑20 mA analog input |
| Power Supply | 24 VDC (18‑32 VDC range) |
| Drive Mode | Permanent‑magnet linear force motor |
| Protection Class | IP65 |
| Working Medium | Standard industrial hydraulic oil |
| Operating Temperature | ‑20 ℃ ~ +70 ℃ |
| Weight | Approx. 3.8 kg |
| Compliance | CE, IEC industrial standard |
Application Scenarios (Suggested image tags: hydraulic‑press‑servo‑installation, metallurgy‑rolling‑mill‑equipment, material‑fatigue‑test‑bench, injection‑molding‑machine‑hydraulic‑system) ‑ Metallurgical industry: rolling mill roll‑gap adjustment, tension control for metal strip production ‑ Heavy‑duty machinery: hydraulic press, forging & forming equipment, die‑casting machine motion control ‑ Plastic processing: injection molding machine clamping‑force & injection‑speed precise regulation ‑ Test & simulation: material fatigue test rig, hydraulic loading test bench, motion simulation platform ‑ Power equipment: steam turbine hydraulic actuator control, generator set regulation system ‑ High‑precision automation: special‑purpose machine tools and heavy‑duty hydraulic automation equipment
Warehouse reference (Suggested image tags: industrial‑hydraulic‑spare‑parts‑warehouse, servo‑valve‑stock‑storage‑shelf) Stored as high‑value industrial MRO spare part; anti‑vibration and moisture‑proof storage required, suitable for project spare‑parts inventory backup.
Company Details
Business Type:
Distributor/Wholesaler,Manufacturer,Agent,Exporter,Trading Company,Seller
Year Established:
2018
Total Annual:
2,000,000$-3,000,000$
Employee Number:
15~20
Ecer Certification：
Verified Supplier
Shaanxi Qindiyuan Environmental Protection Equipment Co., Ltd. Founded in 2018 | Headquartered in Fengdong New Town, Xi'an, Shaanxi Province, China Company Overview Shaanxi Qindiyuan Environmental Protection Equipment Co., Ltd. is a leading manufacturer and supplier of industrial automation contr... Shaanxi Qindiyuan Environmental Protection Equipment Co., Ltd. Founded in 2018 | Headquartered in Fengdong New Town, Xi'an, Shaanxi Province, China Company Overview Shaanxi Qindiyuan Environmental Protection Equipment Co., Ltd. is a leading manufacturer and supplier of industrial automation contr...
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