poppet hydraulic pilot operated check valves

• Media: Oil
• Temperature: Ordinary Temperature
• Material: Cast Iron
• Connection Form: Thread
• Structure: Elevated
• Pressure: High Pressure
• Model NO.: SV SL series
• Function: Nrvg Silence
• Sealing Form: Bellows Globe Valve
• Flow Direction: one way
• Standard: GB
• Application: Industrial Usage
• Max. Flow: 25-550L/min
• Max Pressure: 315bar
• Installation: Plate
• Drive: Hydraulic
• Transport Package: Carton with Shrink Packaging
• Specification: cast iron
• Trademark: Longli
• Origin: Shandong, China
• HS Code: 841290
• Production Capacity: 1000 Pieces/Per Week

Product Description

        SV SL series  poppet hydraulic pilot operated check valves


 Product description and pictures 

    The SV and SL valves are hydraulic pilot operated Check Valves of poppet type design which may be opened to permit flow in the reverse direction.

    These valves are used for the isolation of operating circuits which are under pressure, i.e. as a safe guard against the lowering of a load when a line break occurs or against creeping movement of hydraulically locked actuators.

    The valve basically comprises of the housing, the poppet, a compression spring, the control spool as well as optional decompression feature as a ball poppet valve.

  ( You can check the pictures and choose the specific model number)





We can supply below series:

SV10P      SV10G
SV20P      SV20G
SV30P      SV30G

Company Information

Jinan Longli Hydraulic Device Co.,Ltd was established in 1984. The company is located in the beautiful spring city-Jinan. Our company covers an area of 8000 square meters and has more than 100 employees.

We are specialized in hydraulic component and have an annual production capacity of 100000PCS. Our company has rich experience in the hydraulic industry. Our main products include Hydraulic and Pneumatic valve, pump, system, accessories etc, thousands of products. Besides, we are making great efforts to develop new products to meet different requirements. Our company has advanced machining and testing equipment to strictly control product quality.

Our products has exported to the United States, Russia, South Korea, Singapore, Thailand, Vietnam, Philippines, Australia, United Arab Emirates, South Africa, France, Greece, Italy, India, etc, more than 40 countries and regions.

Adhering to the business principle of mutual benefits, we have built up a good reputation among our customers due to our perfect services, quality products and competitive prices. We warmly welcome customers from at home and abroad to cooperate with us for common success.

Why Choose Us

1. With 30 years experience of hydraulic components in China.
2. Best manufacturing machinery, quality level, best price, best service.
3. We have very good and comprehensive after-sales service.
4. We have no MOQ for clients and tailor0made to clients request for our huge inventory.

Our Service

Pre-sale service: we provide presales in our first cooperation make clear your situation and give you some advice.
In-sale Service: We will track the production progress and quality, check the exact model and quantity one by one before delivering.
After-sale Service: We will provide a one year free warranty and lifetime maintenance. We will change all questions in 7*24hours if you buy from us.