| 157B Series Hydraulic Hydraulic Proportional Valve |
|
| Compact cartridge style hydraulic valve unit with stable flow control performance | |
| Optimized internal spool structure reduces pressure loss during operation | |
| Good anti‑pollution capability, suitable for harsh working medium conditions | |
| Fast response action, realizes quick switching of hydraulic circuit | |
| High mechanical strength, adapts to continuous long‑time working cycles | |
| Simple installation layout, convenient for system integration and component replacement | |
| Widely matched for construction machinery and mobile hydraulic equipment systems |
157B Series Hydraulic Proportional Valve Data Sheet

About us:
Ningbo Lainuo Hydraulic Technology Co., Ltd. focuses on the core field of hydraulic transmission, integrating R&D, manufacturing, and sales. Our main products include axial piston pumps, hydraulic oil pumps, hydraulic motors, hydraulic valves, and hydraulic accessories. We can provide customized product development and matching suggestions based on customers' actual working conditions. Our hydraulic components are suitable for construction machinery, agricultural machinery, mining machinery, mobile machinery, and metallurgical complete sets of machinery. We insist on strict quality control, adhere to honest operation, and leverage our professional technical strength to provide customers with worry-free and efficient hydraulic procurement services.
Product Advantages
High control accuracy: Low hysteresis, excellent repeat positioning performance and good linearity between output and electronic control signal for smooth and controllable movements.
Wide voltage adaptability: Works under 11‑32VDC, tolerates voltage fluctuation of on‑board batteries for construction machinery.
Active fault monitoring: Built‑in fault diagnosis feeds back electrical faults for convenient equipment troubleshooting.
IP65 protection grade: Dust‑proof and water‑proof, suitable for harsh outdoor sites with heavy dust and water splashing.
Modular installation: Direct clip‑on assembly for PVG32 valve blocks for easy disassembly, assembly and replacement maintenance.
Vibration and shock resistance: Construction‑machinery‑grade structure withstands high‑frequency vibration and impact from equipment.
Application Scenarios
For mobile hydraulic devices equipped with PVG32 proportional multi‑way valves: ‑ Construction machinery: Mini excavators, loaders, aerial work platforms, telescopic boom equipment ‑ Agricultural and forestry machinery: Large harvesters, forestry logging equipment, balers ‑ Sanitation equipment: Garbage trucks, sweepers, special sanitation vehicles ‑ Special vehicles: Truck‑mounted cranes, on‑board hydraulic systems, small port handling equipment ‑ Agricultural machinery refitting and automated mobile hydraulic electronic control retrofitting projects
Related Product Models
PVEH Series (Electronic Actuators for PVG32)
157B4033, 157B4034, 157B4035, 157B4028, 157B4128, 157B4116
PVEM Series (Passive Type)
157B4092 (11166775), 11166829, 11166743
OEM Updated Replacement Part
157B4032 → 11166817 (latest upgraded part number)
Matching Valve Body
PVG32 proportional multi‑way valve body, PVB valve sections, PVP pump modules, PVLP overload and make‑up valve assemblies









