马祖奇MARZOCCHI双联泵 ALPA2-S-9+ALPP2-S-9 意大利齿轮泵






ALP1A-D-11,ALP1A-D-11-FG,ALP1A-D-13,ALP1A-D-13-FG,ALP1A-D-16,ALP1A-D-16-FG,ALP1A-D-2,ALP1A-D-20,ALP1A-D-20-FG,ALP1A-D-2-FG,ALP1A-D-3,ALP1A-D-3-FG,ALP1A-D-4,ALP1A-D-4-FG,ALP1A-D-5,ALP1A-D-5-FG,ALP1A-D-6,ALP1A-D-6-FG,ALP1A-D-7,ALP1A-D-7-FG,ALP1A-D-9,ALP1A-D-9-FG,ALP1-D-11,ALP1-D-11-FG,ALP1-D-13,ALP1-D-13-FG,ALP1-D-16,ALP1-D-16-FG,ALP1-D-2,ALP1-D-20,ALP1-D-20-FG,ALP1-D-2-FG,ALP1-D-3,ALP1-D-3-FG,ALP1-D-4,ALP1-D-4-FG,ALP1-D-5,ALP1-D-5-FG,ALP1-D-6,ALP1-D-6-FG,ALP1-D-7,ALP1-D-7-FG,ALP1-D-9,ALP1-D-9-FG,ALP2A-D-10,ALP2A-D-10-FG,ALP2A-D-12,ALP2A-D-12-FG,ALP2A-D-13,ALP2A-D-13-FG,ALP2A-D-16,ALP2A-D-16-FG,ALP2A-D-20,ALP2A-D-20-FG,ALP2A-D-22,ALP2A-D-22-FG,ALP2A-D-25,ALP2A-D-25-FG,ALP2A-D-30,ALP2A-D-30-FG,ALP2A-D-34,ALP2A-D-34-FG,ALP2A-D-37,ALP2A-D-37-FG,ALP2A-D-40,ALP2A-D-40-FG,ALP2A-D-50,ALP2A-D-50-FG,ALP2A-D-6,ALP2A-D-6-FG,ALP2A-D-9,ALP2A-D-9-FG,ALP2-D-10,ALP2-D-10-FG,ALP2-D-12,ALP2-D-12-FG,ALP2-D-13,ALP2-D-13-FG,ALP2-D-16,ALP2-D-16-FG,ALP2-D-20,ALP2-D-20-FG,ALP2-D-22,ALP2-D-22-FG,ALP2-D-25,ALP2-D-25-FG,ALP2-D-30,ALP2-D-30-FG,ALP2-D-34,ALP2-D-34-FG,ALP2-D-37,ALP2-D-37-FG,ALP2-D-40,ALP2-D-40-FG,ALP2-D-50,ALP2-D-50-FG,ALP2-D-6,ALP2-D-6-FG,ALP2-D-9,ALP2-D-9-FG,ALP3A-D-110,ALP3A-D-120,ALP3A-D-135,ALP3A-D-30,ALP3A-D-33,ALP3A-D-40,ALP3A-D-50,ALP3A-D-60,ALP3A-D-66,ALP3A-D-80,ALP3A-D-94,ALP3-D-110,ALP3-D-120,ALP3-D-135,ALP3-D-30,ALP3-D-33,ALP3-D-40,ALP3-D-50,ALP3-D-60,ALP3-D-66,ALP3-D-80,ALP3-D-94,GHP1A2-D-11,GHP1A2-D-13,GHP1A2-D-16,GHP1A2-D-2,GHP1A2-D-20,GHP1A2-D-3,GHP1A2-D-4,GHP1A2-D-5,GHP1A2-D-6,GHP1A2-D-7,GHP1A2-D-9,GHP1A-D-11,GHP1A-D-11-RA,GHP1A-D-13,GHP1A-D-13-RA,GHP1A-D-16,GHP1A-D-16-RA,GHP1A-D-20,GHP1A-D-20-RA,GHP1A-D-2-RA,GHP1A-D-3,GHP1A-D-3-RA,GHP1A-D-4,GHP1A-D-4-RA,GHP1A-D-5,GHP1A-D-5-RA,GHP1A-D-6,GHP1A-D-6-RA,GHP1A-D-7,GHP1A-D-7-RA,GHP1A-D-9,GHP1AQ-D-11,GHP1AQ-D-13,GHP1AQ-D-16,GHP1AQ-D-2,GHP1AQ-D-20,GHP1AQ-D-3,GHP1AQ-D-4,GHP1AQ-D-5,GHP1AQ-D-6,GHP1AQ-D-7,GHP1AQ-D-9,GHP1-D-11,GHP1-D-11-RA,GHP1-D-13,GHP1-D-13-RA,GHP1-D-16,GHP1-D-16-RA,GHP1-D-2,GHP1-D-20,GHP1-D-20-RA,GHP1-D-2-RA,GHP1-D-3,GHP1-D-3-RA,GHP1-D-4,GHP1-D-4-RA,GHP1-D-5,GHP1-D-5-RA,GHP1-D-6,GHP1-D-6-RA,GHP1-D-7,GHP1-D-7-RA,GHP1-D-9,GHP2A3-D-10,GHP2A3-D-12,GHP2A3-D-13,GHP2A3-D-16,GHP2A3-D-20,GHP2A3-D-22,GHP2A3-D-25,GHP2A3-D-30,GHP2A3-D-34,GHP2A3-D-37,GHP2A3-D-40,GHP2A3-D-50,GHP2A3-D-6,GHP2A3-D-9,GHP2A-D-10,GHP2A-D-10-FG,GHP2A-D-10-KA,GHP2A-D-12,GHP2A-D-12-KA,GHP2A-D-13,GHP2A-D-13-FG,GHP2A-D-13-KA,GHP2A-D-16,GHP2A-D-16-FG,GHP2A-D-16-KA,GHP2A-D-20,GHP2A-D-20-FG,GHP2A-D-20-KA,GHP2A-D-22,GHP2A-D-22-FG,GHP2A-D-22-KA,GHP2A-D-25,GHP2A-D-25-FG,GHP2A-D-25-KA,GHP2A-D-30,GHP2A-D-30-FG,GHP2A-D-34,GHP2A-D-34-FG,GHP2A-D-37,GHP2A-D-40,GHP2A-D-40-FG,GHP2A-D-50,GHP2A-D-50-FG,GHP2A-D-6,GHP2A-D-6-FG,GHP2A-D-6-KA,GHP2A-D-9,GHP2A-D-9-FG,GHP2A-D-9-KA,GHP2-D-10,GHP2-D-12,GHP2-D-13,GHP2-D-16,GHP2-D-20,GHP2-D-22,GHP2-D-25,GHP2-D-30,GHP2-D-34,GHP2-D-37,GHP2-D-40,GHP2-D-50,GHP2-D-6,GHP2-D-9,GHP3A2-D-110,GHP3A2-D-120,GHP3A2-D-135,GHP3A2-D-30,GHP3A2-D-33,GHP3A2-D-40,GHP3A2-D-50,GHP3A2-D-60,GHP3A2-D-66,GHP3A2-D-80,GHP3A2-D-94,GHP3A-D-110,GHP3A-D-110-FG,GHP3A-D-120,GHP3A-D-120-FG,GHP3A-D-135,GHP3A-D-135-FG,GHP3A-D-30,GHP3A-D-30-FG,GHP3A-D-33,GHP3A-D-33-FG,GHP3A-D-40,GHP3A-D-40-FG,GHP3A-D-50,GHP3A-D-50-FG,GHP3A-D-60,GHP3A-D-60-FG,GHP3A-D-66,GHP3A-D-66-FG,GHP3A-D-80,GHP3A-D-80-FG,GHP3A-D-94,GHP3A-D-94-FG,GHP3-D-110,GHP3-D-120,GHP3-D-135,GHP3-D-30,GHP3-D-33,GHP3-D-40,GHP3-D-50,GHP3-D-60,GHP3-D-66,GHP3-D-80,GHP3-D-94
ALPA2-S-9 是一款中高压、标准排量、铝合金外壳的外啮合齿轮泵,核心为6.4 cm³/rev 排量、1500 rpm 下约 9.1 L/min 流量,主打稳定高压、低噪音、轻量化,常用于工业与移动液压的双联 / 多联组合系统。
型号完整释义
ALPA2-S-9
- ALP:标准系列齿轮泵(铝合金泵体)
- A2:尺寸组别(A2 组,中型,标准高压接口)
- S:安装形式(SAE 标准 2 螺栓法兰安装,通用工业接口)
- 9:流量等级(1500 rpm 时≈9.1 L/min,对应排量6.4 cm³/rev)
核心技术参数
| 参数项 | 规格值 |
| 理论排量 | 6.4 cm³/rev (6.4 mL/rev) |
| 1500 rpm 流量 | 9.1 L/min |
| 连续工作压力 (P1) | 250 bar (25 MPa) |
| 间歇压力 (P2) | 270 bar (27 MPa) |
| 峰值压力 (P3) | 290 bar (29 MPa) |
| 转速范围 | 500–4000 rpm(额定 1500 rpm) |
| 容积效率 | ≥93%(额定工况) |
| 机械效率 | ≥90% |
| 适用介质 | 矿物液压油(L-HM32/46/68)、合成液压油 |
| 粘度范围 | 10–80 cSt(推荐 20–45 cSt) |
| 工作温度 | -20℃ 至 +80℃ |
| 泵体材质 | 高强度铝合金 |
| 端盖 / 法兰 | 铸铁(高压强化) |
| 齿轮 / 轴 | 渗碳淬火合金钢(高精度、耐磨) |
| 密封 | 丁腈橡胶(NBR)骨架油封 + 高压耐磨垫 |
| 安装法兰 | SAE A 2 螺栓标准法兰 |
| 轴伸 | 圆柱平键轴 / 花键轴(可选) |
| 油口 | 进油:G 3/4";出油:G 1/2" |
| 固定螺栓 | M6(4 孔) |
| 重量 | ≈2.5–3.0 kg |
结构与工作原理
- 核心结构:铝合金泵体、铸铁前后盖、一对高精度渐开线齿轮、浮动侧板轴向补偿(高压自动贴紧,减少内泄)、双重轴封、吸压油口缓冲槽。
- 工作原理:齿轮旋转形成容积变化 —— 吸油腔容积扩大吸油,压油腔容积缩小压油,流量与转速严格成正比(Q = 排量 ×n÷1000)。
性能特点
- 中高压稳定:250 bar 连续压力,铸铁端盖 + 轴向补偿,高压下效率衰减小、寿命长。
- 低噪低脉动:精密齿轮 + 缓冲油口,噪音≤72 dB (A),流量脉动小,适合精密控制。
- 紧凑轻量化:全铝壳体 + 标准 SAE 法兰,安装空间小、重量轻,适配移动设备。
- 多联兼容性强:标准接口可与同系列泵(如 ALPP2)组成双联 / 三联泵,实现多回路供油。
- 互换性高:通用 SAE 安装 / 油口 / 轴伸,可直接替换同类规格泵。
典型应用
- 工业机床:液压动力单元、夹具夹紧、导轨润滑、主轴平衡。
- 工程机械:叉车、装载机、高空作业平台、环卫车辆、小型挖掘机。
- 农业机械:拖拉机、收割机、播种机液压系统。
- 多联泵组合:ALPA2-S-9 + ALPP2-S-9 双联泵,用于双回路独立控制。
- 特种车辆:消防车、清障车、自卸车液压系统。
- 测试设备:液压试验台、压力 / 流量标定设备。
安装与使用要点
- 转向:顺时针(轴端视),严禁反转。
- 同轴度:联轴器同轴度≤0.05 mm,使用弹性联轴器。
- 吸油:吸油过滤器≤25 μm,吸高≤0.5 m,管路无漏气。
- 压力保护:系统必装溢流阀,限制压力≤250 bar。
- 磨合期:空载 10 分钟→50% 压力 10 分钟→额定压力运行。
- 多联安装:双联泵需保证同轴度,共用吸油管路需加粗防吸空。
常见故障与排除
- 流量不足:吸空、转速低、内泄大 → 查漏气、调转速、检修浮动侧板。
- 压力上不去:溢流阀故障、密封损坏 → 检修溢流阀、更换轴封 / 侧板。
- 噪音大:吸空、同轴度差、轴承磨损 → 优化吸油、校正同轴度、换轴承。
- 漏油:密封老化、安装不当 → 更换 NBR/FKM 密封、规范安装。
选型提示
- 按流量 = 6.4×n÷1000匹配转速(n=rpm)。
- 高温(>80℃)或特殊介质选FKM 氟橡胶密封。
- 需集成压力保护可选 \\ 带内置溢流阀(FG)\\ 版本。
- 双联组合优先选ALPA2-S-9 + ALPP2-S-9,排量对称、流量均衡。
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