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Mobile/Whatsapp:+86 13329942980
Email:sale@hydrstar.com Support:18171706755(WeChat, same number)
Factory address:Economic Development Zone, LuoTian County, Huanggang City, HuBei Prov., China 438000.
Office address: Room 701, Block 3, WeiLaiZhiGuang, Guanggu Avenue No.3 , Hongshan District, Wuhan, Hubei Pro., China430074
Manual pump
No need to remove the pump from the system for maintenance; Replaceable pump cartridge; Pistons are hardened and precision-ground; Long handle reduces operational effort.
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Manual pump
Features
Repairs can be performed without removing the pump from the system;
Replaceable pump core;
The pistons have undergone hardening and grinding processes;
A long handle reduces the operating force.
Explanation
These pumps offer a low-cost and efficient way to manually boost pressure in hydraulic systems that require emergency backup power.
Before pressurizing, if there’s a vent valve, please use the handle to close it.
Structure and Specifications

in. (mm) | |||||||
Pump Type | A | B | C | D | E | F-thread | G-thread |
A Series, Single-Piston | 3.76 (95.5) | 2.36(60) | 6.67 (169.5) | 1.46 (37.2) | 3.06(77.8) | M12 | M8 |
Single-piston, with exhaust port | 3.76 (95.5) | 3.15(80) | 6.67 (169.5) | 2.25(57.2) | 3.06(77.8) | M12 | M8 |
B Series, Single-Piston | 3.27(83) | 1.97(50) | 6.67 (169.5) | 1.26(32) | 2.57 (65.3) | M12 | M6 |
Product Order Information
Order code | Maximum pressure | Single displacement | Import | Exports | Handling preload of 100 psig |
MP**OA-** | 20000 psig | 2.6mL | 3/8" NPT | 9/16-18UNF-18-2B | 0.27kg |
MP**1A-** | 10000 psig | 4.1 mL | 3/8" NPT | 3/8" NPT | 0.51kg |
MP**2A- ** | 5000 psig | 9.2 mL | 3/8" NPT | 3/8" NPT | 1.05 kg |
MP**3A- ** | 2500 psig | 17.7 mL | 3/8" NPT | 3/8" NPT | 2.1kg |
MP**1B- ** | 10000 psig | 4.1 mL | 3/8" NPT | 3/8" NPT | 0.51kg |
MP**2B- ** | 5000 psig | 9.2 mL | 3/8" NPT | 3/8" NPT | 1.05 kg |
MP**3B-** | 2500 psig | 17.7 mL | 3/8" NPT | 3/8" NPT | 2.1 kg |
MP**0D-** | 20000 psig |
| 3/8" NPT | 9/16-18UNF-18-2B | 2.55kg |
MP**1D-** | 10000 psig |
| 3/8" NPT | 3/8" NPT | 5.79kg |
MP**2D-** | 5000 psig |
| 3/8" NPT | 3/8" NPT | 13.4kg |
MP**OH-** | 30000 psig | 2.6mL | 3/8" NPT | 9/16-18UNF-18-2B | 0.27kg |
Order code: MP- SS -1A- D - V
SS | 1A | D | V | ||||
Code | Materials | Code | Pump Type | Code | Single displacement | Code | With an outlet |
SS | Materials | OA | 20,000 psig, single-piston 2.6 mL | Empty | First-level piston single displacement | Empty | Without |
SL | 316L SS | 1A | 10,000 psig, single-piston 4.1 mL | D | 26 mL Dual-Piston | V | With |
S4 | 304SS | 2A | 5000 psig, single-piston 9.2 mL | E | 42 mL double-piston |
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CS | Carbon Steel | 3A | 2500 psig, single-piston, 17.7 mL | F | 74mL double-piston |
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SH | 17-4HP | 1B | 10,000 psig, single-piston 4.1 mL | ||||
2B | 5000 psig, single-piston 9.2 mL | ||||||
3B | 2500 psig, single-piston, 17.7 mL | ||||||
OH | 30,000 psig, single-piston 2.6 mL | ||||||
OD | 20,000 psig, Dual Piston | ||||||
1D | 10,000 psig, Dual Piston | ||||||
2D | 5000 psig, Dual Piston | ||||||
Note: The standard pump operates within a temperature range of -29°C to 120°C.
Carbon steel is suitable only for the D series. The "-D", "_E", and "-F" designations apply exclusively to the single displacement of double-piston pumps.
Other sizes and types are available upon request. Please contact us if you have any special requirements.
Repair Kit
The repair kit includes all seals.
Maintenance Kit Order Code: KIT-MP- 1A- V
Code | Pump Type | Code | With an outlet |
OA | 20,000 psig, single-piston | Empty | Without |
1A | 10,000 psig, single-piston | V | With |
2A | 5000 psig, single-piston |
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3A | 2500 psig, single-piston |
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1B | 10,000 psig, single-piston |
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2B | 5000 psig, single-piston |
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3B | 2500 psig, single-piston |
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0H | 30,000 psig, single piston |
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0D | 20,000 psig, Dual Piston |
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1D | 10,000 psig, Dual Piston |
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2D | 5000 psig, Dual Piston |
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