IPE Hydraulics (Huitong / Innohydra / Yuethai / Kemai) screw-in cartridge valves, manifolds and load-sensing directional valves

Supply screw-in cartridge valves (20–450 bar, 6–400 L/min), solenoid and electro-proportional valves, custom hydraulic manifolds and load-sensing multi-way directional valves manufactured by IPE Group’s hydraulic division (Guangzhou Huitong, Wuhu Inno, Shanghai Yuethai and Jiangsu Kemai).

Direct & Pilot-Operated Screw-In Relief Valves DRV / PRV / HTRV

IPE Hydraulics (Guangzhou Huitong and Wuhu Inno) manufactures direct-acting, differential-area and pilot-operated screw-in cartridge relief valves rated up to 400–450 bar and 150–400 L/min for mobile and industrial hydraulic circuits.

Direct-acting anti-cavitation make-up relief valves: DRV0M-16/18/20/24/27 (up to 150 L/min, 400 bar, <0.5 bar anti-cav)
Adjustable direct-acting relief cartridges: DRVRM-18/20/24/27, DRVR5M-16, DRV1M-16/18/24, DRV5M-16 and DRV6M-20
Pilot-operated relief valves: PRV0S-10, PRV1M-24/28/30/33/36, PRV2M-28, HTRV27M-01A/02A and HTRV16U-P0A
Dual cross-over relief valves: DRD1M-14/18/20, DRD1S-08/09, HTRDDA, HTRV20M-D0A/DCA and RVB0S-08

Cartridge Check Valves & Pilot-Operated Check Valves CV01S / CVR0G / HTCV

IPE Hydraulics poppet-type check valves and pilot-operated hydraulic lock valves provide zero-leakage load holding and reverse flow blocking at operating pressures up to 420 bar.

Direct-acting poppet check valves: CV01S-08/09/10 (50 L/min, 420 bar, leakage ≤0.10 cc/min, installation torque 40–45 N·m)
In-line and cartridge check series: CVR0G-12/14/18/34/38, CVB0G-12..38, CVD0G-12..38 and CVD0S-06/08/10
Pilot-to-open / pilot-to-close check valves: CVP1M-24 and HTCV08U/09U/10U/12U/16U/20U (-C0A, -H0A, -HGA, -Z0A)
High-flow metric check cartridges: HTCV18M/22M/28M/30M/33M-P0A and dual pilot check valves HTCV08W-01A/02A

Solenoid-Operated Directional Cartridge Valves SV10-4X / SV08-5X / DSH081

IPE Hydraulics direct-acting spool and poppet solenoid directional cartridge valves provide reliable hydraulic switching up to 276 bar with interchangeable continuous-duty coils.

4-way and 3-way solenoid spool valves: SV10-4X (207 bar rated, 276 bar max, 23 L/min flow), SV10-3X and SV10-47X
08-size compact directional solenoid cartridges: SV08-5X, SVS0-S08 and DSH081 series
All valve ports may be fully pressurized; continuous-duty coils operate across 85%–115% of rated voltage
Unitized molded 12V / 24V DC coils with optional waterproof IP69K E-Coils and Zn/Ni corrosion-proof plating

Electro-Proportional Flow & Pressure Reducing Valves HTSP10U / KDRDE5 / PRDM

IPE Hydraulics electro-proportional cartridge valves deliver stepless modulation of actuator speed and pilot control pressure in excavators, drilling rigs and industrial presses.

4-way 3-position direct-acting electro-proportional flow valve: HTSP10U-03A (210 bar rated, 20 L/min max flow, 0.18 kg)
Direct-acting proportional pressure reducing solenoid valve: KDRDE5-K/R (88 bar, 10 L/min, de-energized closed K or open KR)
Additional proportional control series: SV09, HTFPBX and PRDM electro-proportional cartridge valves
Industry-common cavities engineered for excavator main control valve pilot modulation and proportional fan drives

Counterbalance, Unloading & Pressure Reducing Valves HTCB10 / UNL1M / HTVRPR

For over-center load control on crane booms, pump unloading and secondary branch pressure reduction, IPE Hydraulics supplies precision-ground pressure control cartridges.

Counterbalance motion control valve: HTCB10-01A (350 bar operating pressure, 40 L/min flow, pilot-assisted lowering)
Unloading valve with one-way damping structure: UNL1M-27 (420 bar rated pressure, 150 L/min max flow, -30°C to +110°C)
Direct-acting pressure reducing and relieving valve: HTVRPR-S10 (350/210 bar inlet, 105 bar max port 1, 30 L/min flow)
Hardened and super-finished steel spools and cages ensuring low hysteresis and stable load holding

Flow Controls, Pressure Compensators & Logic Valves FLC1M / EC10 / HT16SLC2

IPE Hydraulics complements its core valve range with needle flow controls, pressure compensators, shuttle valves, pilot directional valves and 2-way slip-in/screw-in logic elements.

Flow control and needle valves: FLC1M-14 flow regulator cartridges and NV08-20B fine metering needle valves
Pressure compensators for load-sensing and proportional circuits: EC10-42 cartridge series
Shuttle valves and pilot directional valves: HTSHV0-G18 shuttle cartridges and HTDRAX pilot directional valves
2-way cartridge logic elements for high-flow directional and pressure control: HT16SLC2-B series

Integrated Hydraulic Valve Manifolds & Pilot Supply Blocks (Shanghai Yuethai)

Yuethai Hydraulic Technology (Shanghai) Co., Ltd. (founded in 2006) and Wuhu Inno design and machine custom integrated hydraulic valve manifolds for construction, agricultural and industrial OEMs.

Pilot oil source valve assemblies integrating pressure reducing, check, accumulator charging and safety lock valves
Dedicated agricultural machinery control valve blocks for tractors, harvesters and heavy implements
Custom non-standard integrated hydraulic manifolds machined from high-grade steel, ductile iron or aluminum alloy
100% hydraulic test-bench verification of pressure settings, flow rates and internal leakage prior to shipment

Load-Sensing Proportional Multi-Way Directional Valves (Jiangsu Kemai)

Jiangsu Kemai Hydraulic Control System Co., Ltd. (Yangzhou, founded in 2009 with RMB 45M registered capital) manufactures load-sensing proportional multi-way directional control valve banks for mobile machinery.

Load-sensing (LS) sectional multi-way directional valves delivering load-independent proportional flow sharing
Actuation options: electro-hydraulic proportional solenoids, hydraulic pilot control and manual lever override
Precision spools and valve housings machined in-house within IPE Group to 2 µm roundness and Ra 0.1 µm finish
Engineered for truck cranes, aerial work platforms, drilling rigs, municipal vehicles and forestry machinery

Structure of the IPE Hydraulics division: Huitong, Wuhu Inno, Shanghai Yuethai & Jiangsu Kemai

IPE Hydraulics is the core hydraulic components and systems division of IPE Group Limited (HKEX: 00929, a member enterprise of China Baoan Group). The division integrates four dedicated manufacturing plants and a specialized R&D institute.

Product development is led by Guangzhou Huitong Precision Hydraulic Co., Ltd.

and the Huitong Hydraulic Research Institute (co-established with Zhejiang University, Yanshan University and Lanzhou University of Technology), alongside high-volume cartridge and manifold production at Wuhu Inno Hydraulic Technology Co., Ltd. (founded in 2018 in Wuhu, Anhui, innohydra.com).

Yuethai Hydraulic Technology (Shanghai) Co., Ltd. (founded in 2006) engineers pilot oil supply blocks, agricultural machinery valve groups and custom integrated manifolds, while Jiangsu Kemai Hydraulic Control System Co., Ltd.

(founded in 2009 in Yangzhou, RMB 45M registered capital) manufactures load-sensing proportional multi-way directional control valves.

Relief, counterbalance, unloading and pressure reducing cartridge valves (20–450 bar, 6–400 L/min)

Across 99 catalog series rated for 20–450 bar operating pressure and 6–400 L/min flow, IPE Hydraulics produces direct-acting and pilot-operated relief valves including DRV0M-16/18/20/24/27, DRVRM-18/20/24/27, DRVR5M-16, DRV1M-16/18/24, DRV5M-16, DRV6M-20, PRV0S-10, PRV1M-24/28/30/33/36, PRV2M-28,

HTRV27M-01A/02A, HTRV16U-P0A, HTRV20M-D0A/DCA, HTRV10U-S0A, HTRV06U-Y0A, HTRV18M-Y0A, HTRV16M-B0A/B1A and RVB0S-08.

The DRV0M-27 direct-acting anti-cavitation relief cartridge handles up to 150 L/min and 400 bar, combining shock relief with reverse anti-cavitation make-up flow (<0.5 bar cracking pressure) and internal leakage within 3 cc/min at 80% set pressure.

Additional pressure control series include dual cross-over relief valves (DRD1M-14/18/20, DRD1S-08/09, HTRDDA), counterbalance load-holding valves (HTCB10-01A, 350 bar, 40 L/min), damped unloading valves (UNL1M-27, 420 bar, 150 L/min, 0.04 kg) and direct-acting pressure reducing/relieving valves

(HTVRPR-S10, 350/210 bar, 30 L/min).

Check valves, pilot-operated hydraulic locks, flow controls and 2-way logic cartridges

Check valve series cover screw-in poppet cartridges CV01S-08/09/10 (up to 50 L/min, 420 bar, internal leakage ≤0.10 cc/min at 10–420 bar, 40–45 N·m torque, Hex 22) as well as CVR0G-12/14/18/34/38, CVB0G-12..38, CVD0G-12..38 and CVD0S-06/08/10.

Pilot-operated check valves (hydraulic locks) include CVP1M-24, inch-cavity series HTCV08U/09U/10U/12U/16U/20U (-C0A, -H0A, -HGA, -Z0A), high-flow metric cartridges HTCV18M/22M/28M/30M/33M-P0A and dual modules HTCV08W-01A/02A.

Flow and logic control cartridges include FLC1M-14 flow regulators, NV08-20B needle valves, EC10-42 pressure compensators, HTSHV0-G18 shuttle valves, HTDRAX pilot directional valves and HT16SLC2-B 2-way logic elements.

Solenoid directional (SV10 / SV08) and electro-proportional (HTSP10U / KDRDE5) valves

Direct-acting solenoid directional spool valves include SV10-4X (4-way 2-position, 207 bar rated / 276 bar max, 23 L/min flow, ≤82 cc/min leakage at 207 bar), SV10-3X, SV10-47X, SV08-5X, SVS0-S08 and DSH081.

All ports tolerate full system pressure, and continuous-duty molded coils operate across 85%–115% rated voltage with optional waterproof IP69K E-Coils.

Electro-proportional cartridges cover the 4-way 3-position proportional flow valve HTSP10U-03A (210 bar, 20 L/min, 0.18 kg), proportional pilot pressure reducing valve KDRDE5-K/R (88 bar, 10 L/min, de-energized closed K or open KR for excavator pump/spool control), plus SV09, HTFPBX and PRDM series.

In-house 2 µm ultra-precision machining, Zn/Ni plating and custom manifold assembly

Backed by IPE Group’s 3,000+ CNC machines and vacuum heat-treatment furnaces (certified to IATF 16949 and ISO 9001), all valve spools, poppets and cages are hardened and super-finished to 2 µm roundness and Ra 0.1 µm surface roughness.

External steel bodies receive Zn/Fe or Zn/Ni corrosion-proof plating with NBR (-30°C to +110°C) or FKM seals. Send us your valve part number or hydraulic schematic for cartridge selection, custom manifold engineering and global B2B delivery.

Lead times, minimum order quantities and pricing for IPE Hydraulics valves and manifold assemblies are calculated individually upon commercial request; public price lists are not published by the manufacturer.

We operate as an independent B2B supplier, not an authorized distributor of IPE Group Limited or Wuhu Inno Hydraulic.