产品名称：Vickers威格士丹佛斯Danfoss叠加型减压阀
产品型号：DGMX2-3-PP-CW-B-40
产品报价：1000
产品特点：DGMX2-3-PP-CW-B-40 Vickers威格士丹佛斯Danfoss叠加型减压阀，依靠阀体叠合面内部流道走油，不用油管、不用单独阀块，直接一层层叠在电磁换向阀与底板之间，用来把系统高压油降压、稳压，给分支回路供给恒定低压的液压阀。只对 P 口减压，A、B 直通。用途：主泵统一高压供油，夹具缸、辅助油缸需要低压时，单独用叠加减压阀分压稳压，配合叠加节流阀，一路调压、一路调速。
DGMX2-3-PP-CW-B-40Vickers威格士丹佛斯Danfoss叠加型减压阀的详细资料：
DGMX2-3-PP-CW-B-40 Vickers威格士丹佛斯Danfoss叠加型减压阀 DGMX23PPCWB40
DGMX2-3-PP-CW-B-40｜Danfoss-Vickers 威格士 D03 (NG6) 叠加式 P 口减压阀（减压集成内置溢流）
| 编码段 | 代码 | 详细说明 |
|---|---|---|
| DGMX2 | DGMX2 | SystemStak 系列叠加先导减压阀（减压 + 溢流稳压一体），非节流阀 |
| 3 | 3 | 安装规格：D03/ISO4401-03/NG6（6 通径），通用叠加安装面 |
| PP | PP | P 进油、P 内控取压：仅 P 油路二次减压稳压，A、B 油道直通不受调压；出油 P 为稳压输出口 |
| CW | C+W | C = 调压区间3.0～14.0MPa(30～140bar)；W=螺杆 + 锁紧螺母调节，调节端在阀体 B 侧端面，无外置手轮 |
| B | B | 阀体球墨铸铁，标配NBR 丁腈橡胶密封；后缀 S=Viton 氟橡胶耐介质密封（型号 DGMX2-3-PP-CW-S-40） |
| 40 | 40 | 40 代新版本体，原厂现行量产版本，替代老 30 系列 |
二、核心技术参数
| 项目 | 参数值 |
|---|---|
| 全油口最高耐压 | P/A/B/R：315bar(31.5MPa/4500PSI) |
| 额定通流 | 最大 60L/min（16USgal/min） |
| 设定调压范围 | 3～14MPa（CW 档位固定区间） |
| 测压接口 | 阀体侧边 G1/8 (BSPP) 内丝测压口，监测稳压后 P 口压力 |
| 适用液压油 | ISO VG32/46 抗磨液压油；油温 - 20℃～+80℃ |
| 油液清洁度 | NAS8 级、ISO 19/17/14μm |
| 阀体重量 | 约 1.2kg / 只 |
三、阀功能与原理
P 路独立稳压：主油路 P 进油，阀内部节流降压后从二次 P 输出恒定压力；A、B 直通换向阀，压力不受本阀控制。
内置溢流保护：稳压出口超设定压力，内部溢流通路直接泄油至回油 R，兼具减压 + 溢流稳压双重作用，防止负载超压。
内控取压：取样压力取自自身二次 P 油口，无需外接控制油。
DGMX2-3-PP-CW-B-40 Vickers威格士丹佛斯Danfoss叠加型减压阀 DGMX23PPCWB40
四、同系列常用衍生型号对照
BW：B = 低压档 2～4MPa，其余结构同 CW；
BH：H = 外置手轮调节（替代螺杆锁紧，现场便捷调压）；
FW：F = 带远程遥控口，可外接遥控调压阀远程改压；
-S：氟胶密封，适配磷酸酯、难燃液压油工况。
五、应用场景
DGMX2-3-PP-CW-B-40 Vickers威格士丹佛斯Danfoss叠加型减压阀 DGMX23PPCWB40
DGMX2-3-PP-CW-B-40 Danfoss Vickers Modular Pressure Reducing Valve (Part No.: DGMX23PPCWB40)
DGMX2-3-PP-CW-B-40 | Danfoss-Vickers D03 (NG6) Modular P-Line Pressure Reducing Valve with Integral Relief Function
1. Model Code Breakdown
| Code Segment | Code | Description |
|---|---|---|
| DGMX2 | DGMX2 | SystemStak series pilot-operated modular pressure reducing valve integrating pressure reduction & relief stabilisation, not a flow control throttle valve |
| 3 | 3 | Mounting size: D03 / ISO4401-03 / NG6 (6-size port), universal modular mounting interface |
| PP | PP | P inlet with internal P pilot sensing: Secondary pressure reduction only on P circuit; A & B passages pass through directly without pressure regulation; regulated pressure outputs from secondary P port |
| CW | C+W | C = Adjustable pressure range: 3.0~14.0MPa (30~140bar); W = Screw & locknut adjustment, adjusting end located on B-side of valve body without external handwheel |
| B | B | Ductile iron valve body, standard NBR nitrile rubber seal; suffix S = Viton fluorocarbon seal for harsh fluid service (Model: DGMX2-3-PP-CW-S-40) |
| 40 | 40 | 40-series updated body, current OEM production version replacing legacy 30-series |
2. Key Technical Specifications
| Item | Parameter |
|---|---|
| Max Working Pressure on all ports | P/A/B/R: 315bar (31.5MPa / 4500PSI) |
| Rated Flow Capacity | Max. 60L/min (16USgal/min) |
| Preset Adjustment Range | 3~14MPa (Fixed range for CW specification) |
| Pressure Test Port | G1/8(BSPP) female test port on valve side for secondary P regulated pressure monitoring |
| Compatible Hydraulic Oil | ISO VG32/46 anti-wear hydraulic oil; Operating temperature: -20℃ ~ +80℃ |
| Fluid Cleanliness Requirement | NAS Class 8, ISO 19/17/14μm |
| Valve Weight | Approx. 1.2kg per piece |
3. Valve Function & Operating Principle
Independent P-circuit pressure stabilisation: High-pressure fluid enters via primary P port, throttled internally for pressure reduction before constant regulated pressure is delivered out of secondary P; A and B ports directly feed directional valve without pressure modification by this unit.
Built-in overpressure relief protection: When outlet regulated pressure exceeds set value, internal relief passage diverts excess oil directly to return port R, combining pressure reduction and relief stabilisation to avoid overload overpressure.
Internal pilot pressure sensing: Control pressure sampled from the valve’s own secondary P port; no external pilot oil connection required.
4. Common Derivative Models of Same Series
BW: B = Low-pressure range 2~4MPa, identical construction to CW otherwise
BH: H = External handwheel adjustment (replaces lock screw for convenient on-site pressure setting)
FW: F = Equipped with remote pilot port for external remote pressure control via remote relief valve
-S suffix: Viton seal design compatible with phosphate ester and fire-resistant hydraulic fluids
5. Typical Applications
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