Shijiazhuang Laiye Import& Export Trading Co., Ltd. is one of the leading manufacturers and suppliers of hydraulic solenoid valve 4weh16 series in China, also supports customized service. If you're going to wholesale high quality hydraulic solenoid valve 4weh16 series made in China, welcome to get pricelist from our factory.
Overview | Precision That Handles the Pressure
When your hydraulic system demands consistent, leak-free directional control under high flow rates, the 4WEH16 series hydraulic solenoid valve delivers. Designed for mobile and industrial equipment, this wet-armature solenoid valve handles up to 420 bar (6,000 psi) and flow rates up to 400 L/min (105 GPM). Every unit is assembled in our ISO 9001:2015 certified facility in Shijiazhuang, where we have produced pressure valve components for 35+ years.
Unlike generic cartridge valves, the 4WEH16 uses a robust spool-and-body design with hardened steel spools and a ductile iron housing. The result? Minimal internal leakage, fast response (20–40 ms), and reliable shifting even in dirty or high-vibration environments.
Products Description
Materials & Build Quality
Housing: High-strength cast iron (GGG 40) – resists shock loads.
Spool: Carburized hardened steel (58–62 HRC) with micro-finished surface.
Seals: FKM (Viton) as standard – compatible with most hydraulic oils and temperatures up to +120°C. NBR available for lower-cost applications.
Solenoid tube: Stainless steel (304) welded to prevent magnetic loss and corrosion.
Every component is traceable – from raw material batch to final assembly.
Where It's Used
The 4WEH16 series hydraulic solenoid valve is a workhorse in:
Mobile hydraulics – excavator attachments, loader arms, telehandlers.
Machine tools – hydraulic presses, injection molding machines.
Marine steering systems – reliable under continuous duty.
Steel mills & foundries – heat-resistant seals handle extreme conditions.
One-stop Hydraulic Valve Factory in China
Company Snapshot | Onederful® Hydraulic / Laiye
Founded – 1988 (originally as Laiye Import & Export)
Parent group – Hebei Wendefu Hydraulic Technology Co., Ltd. (R&D focus since 2000)
Team – 200+ production & quality professionals, 15 senior hydraulic engineers
Annual output – Over 10,000 containers (20+ countries)
Export markets – Russia, Europe, Middle East, South America, Southeast Asia
Frequently Asked Questions
Can the 4WEH16 be used with water-glycol or phosphate ester fluids?
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Yes – but the standard FKM seals must be replaced with EPDM or PTFE. Tell us your fluid type when ordering, and we'll pre-fit the correct seal kit at no extra charge. Warranty remains 18 months.
What is your lead time for non-stock spool configurations?
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For standard spool types (4/3 with closed center), we keep 300+ units in Tianjin warehouse – shipped in 3 business days. For custom spool profiles (e.g., progressive opening), allow 14 business days including machining and full functional testing.
Do you provide CAD models and pressure drop curves?
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Absolutely. Download step files and characteristic curves directly from our product portal (link sent with quote). For urgent design support, WhatsApp Cathy at +86 15076180506 – she replies within 4 hours (China daytime).
Our Certificate
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