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Help CenterThreaded Check Valve Used in Hydraulic Log Splitter and Small Equipment Piping 3/8" Brass
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Shanghai Zhibang Valve Manufacture Co., Ltd., an ISO9001-certified manufacturer established in 2016, proudly presents our premium 3/8" Brass Threaded Check Valve. Engineered specifically for hydraulic log splitter systems and small equipment piping, this valve combines robust brass construction with precision engineering to ensure reliable unidirectional flow control. With an annual export value exceeding US$1 million and a global distribution network spanning North America, Europe, and Asia, our check valve delivers the performance and durability that professionals demand.
The 3/8" Brass Threaded Check Valve is designed to prevent backflow in hydraulic circuits, protecting pumps and components from damage. Its compact size and threaded NPT connections make installation straightforward even in tight spaces. Whether you're maintaining a log splitter, a small hydraulic press, or a mobile equipment system, this valve offers consistent cracking pressure and minimal pressure drop, optimizing system efficiency.
Key features and benefits include:
- Solid Brass Construction: Corrosion-resistant and durable, suitable for hydraulic oils, water, and other fluids.
- 3/8" NPT Threaded Ends: Standard size for easy integration into existing piping systems.
- Spring-Loaded Poppet Design: Ensures rapid closing and positive sealing, preventing reverse flow.
- Low Cracking Pressure: Typically 2-5 psi (customizable), allowing sensitive system operation.
- Wide Temperature Range: -20°C to +120°C, suitable for various operating environments.
- Compact Dimensions: Overall length approx. 50mm, width 18mm, fits confined spaces.
- ISO9001 Certified Production: Consistent quality and traceability from raw material to finished product.
- 100% Pressure Tested: Each valve undergoes rigorous testing before shipment.
Below is a technical specification table for your reference:
| Parameter | Value |
|---|---|
| Material | Brass (C36000) |
| Connection Size | 3/8" NPT |
| Max Working Pressure | 3000 psi (customizable up to 5000 psi) |
| Cracking Pressure | 2-5 psi (as required) |
| Operating Temperature | -20°C to +120°C |
| Flow Direction | Arrow marked on body |
| Seal Type | NBR O-ring (optional Viton) |
This check valve is ideal for hydraulic log splitter circuits where backflow can cause cylinder drift or pump cavitation. It also performs excellently in small equipment piping such as agricultural machinery, construction mini-excavators, and industrial hydraulic systems. The brass body resists corrosion from water-glycol fluids and common hydraulic oils, extending service life even in humid or outdoor environments.
Installation is simple: apply thread sealant to the male NPT ends, tighten to the required torque (no more than 30 Nm), and verify flow direction according to the arrow on the valve body. Routine maintenance is minimal, but periodic inspection of the O-ring and spring is recommended for high-cycle applications.
At Shanghai Zhibang Valve, we have been manufacturing high-quality valves since 2016. Our ISO9001-certified facility ensures every production step meets stringent standards. With an annual export value of US$1 million to US$1.5 million, we ship to major ports including Shanghai, Guangzhou, Hong Kong, and Beijing. Our products reach markets across North America, South America, Europe, Southeast Asia, Africa, and Oceania. We are committed to providing reliable, cost-effective solutions for hydraulic and fluid control applications.
We invite you to experience the difference a quality check valve makes. Our team offers technical support, custom cracking pressures, and bulk packaging options. Contact us today for a quote or sample request. Let Shanghai Zhibang Valve be your trusted partner in hydraulic system components.
Frequently Asked Questions
-
What is the recommended tightening torque for this valve?
We recommend 20-30 Nm for 3/8" NPT brass fittings. Over-tightening may damage the threads or body. -
Can this valve be used with water or other fluids besides hydraulic oil?
Yes, the brass construction and NBR O-ring are compatible with water, water-glycol, and many hydraulic fluids. For aggressive chemicals, please inquire about Viton seal options. -
What is the cracking pressure tolerance?
Standard cracking pressure is 2-5 psi. Custom cracking pressures from 1 psi to 10 psi are available upon request. -
Does this valve come with a warranty?
Yes, we offer a 12-month warranty against manufacturing defects. Extended warranty terms can be negotiated for volume orders. -
What is the minimum order quantity (MOQ)?
For standard sizes, MOQ is 100 pieces. For custom specifications, MOQ may be higher. Samples are available for evaluation. -
How do I confirm the flow direction?
An arrow is permanently cast on the valve body. Install it so the arrow points in the direction of desired flow (from inlet to outlet). -
Is this valve suitable for high-vibration environments?
Yes, the spring-loaded poppet design maintains closure even under vibration. Ensure proper pipe support to avoid excessive stress on the valve body. -
What packing options are available for export?
We offer standard export cartons, palletized packaging, or custom branding. Each valve is individually wrapped to prevent damage during transit.
For more technical details or to place an order, please contact our sales team. We are dedicated to providing prompt service and high-quality products.
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