Shaanxi Qindiyuan Environmental Protection Equipment Co., Ltd.
| Supply pressure | 20-30 psi / 1.4-2.0 bar |
| Input signal | 4-20 mA / 0-10 V / HART / Fieldbus |
| Supply Ability | 10000 pcs |
| Application | Control of industrial control valves in process industries |
| Feedback signal | Potentiometer / LVDT / Digital feedback |
| Output pressurerange | 3-15 psi / 0.2-1.0 bar |
| Delivery Time | 5-7 days |
| Response time | Less than 1 second |
| Material | Aluminum alloy / Stainless steel |
| Payment Terms | T/T |
| Brand Name | MOOG |
| Certification | Brand new original |
| Model Number | D661-4651 |
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Product Specification
| Supply pressure | 20-30 psi / 1.4-2.0 bar | Input signal | 4-20 mA / 0-10 V / HART / Fieldbus |
| Supply Ability | 10000 pcs | Application | Control of industrial control valves in process industries |
| Feedback signal | Potentiometer / LVDT / Digital feedback | Output pressurerange | 3-15 psi / 0.2-1.0 bar |
| Delivery Time | 5-7 days | Response time | Less than 1 second |
| Material | Aluminum alloy / Stainless steel | Payment Terms | T/T |
| Brand Name | MOOG | Certification | Brand new original |
| Model Number | D661-4651 | ||
| High Light | MOOG D661-4651 ，Industrial Servo Valve Electro pneumatic | ||
| Parameters | Indicators | Description |
|---|---|---|
| Model | D661-4651 | Complete Model: D661-4651/G35J0AA6VSX2HA |
| Type | Two-stage servo valve (jet pilot + spool power stage) | With spool position feedback (LVDT) |
| Maximum working pressure | 350 bar (35 MPa) | P/A/B port; T port ≤350 bar |
| Rated flow rate | 40 L/min | @70 bar valve pressure drop (typical) |
| Maximum flow rate | Approx. 200 L/min (depending on spool specification) | |
| Step response | ≤14 ms | 100% signal, at 210 bar |
| Frequency response | 30–50 Hz | ±100% input signal |
| Control accuracy | Hysteresis < 0.8%, Linearity < 1% Minimum controllable flow deviation ≤0.5% | |
| Working medium | Petroleum-based hydraulic oil (DIN 51524), water glycol, phosphate ester | |
| Oil viscosity | Recommended 15–45 mm²/s; Permissible 5–400 mm²/s | |
| Cleanliness | ISO 4406 <15/12 (standard); <14/11 (long life) |
| Parameters | Specifications | Description |
|---|---|---|
| Supply voltage | 24 VDC (18–32 VDC) | |
| Control signal | ±10 V, ±10 mA, 4–20 mA (optional) | |
| Coil resistance | 20 Ω (single coil) / 40 Ω (series) | |
| Protection rating | IP65 (with matching plug) | |
| Ambient temperature | -20°C ～ +60°C; Oil: -20°C ~ +80°C | |
| Vibration | 30g, Triaxial |
| Parameters | Indicators | Description |
|---|---|---|
| Installation Standard | ISO 4401 Dimension 05 (CETOP 05) | |
| Installation Method | 35mm DIN rail or flange mounting | Any installation position |
| Valve Body Material | Aluminum alloy / Precipitation hardened stainless steel | |
| Sealing | Nitrile rubber (NBR), Fluororubber (FKM) optional |
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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