Hydraulic Lock safety flow valve Dual pilot operated check valve VBPDE-G38 Product Description The hydraulic lock is used in the hydraulic systems such as the outrigger circuit of construction machinery and lifting machinery, the self-locking of the press and the locking of the support wall jack in the mine. In order to make the working mechanism stop at any position and not move under the influence of external load, the hydraulic lock is used to form the locking system. Technical parameter Item No. Screw thread Oil port Maximum pressure(bar) Flow rate(L/Min) Control pressure ratio VBPDE-G14 G1/4 350 20 1:5.5 VBPDE-G38 G3/8 300 20 1:5.5 VBPDE-G12 G1/2 350 50 1:4 The company covers an area of approximately 20000 square meters, with a high-tech factory building of 10000 square meters, owns more than 200 sets of high-end smart devices. The production workshop implements digital network cloud platform management. All CNC equipment and machining centers are monitored and managed by the online cloud platform. Intelligent unit production is carried out from processing to assembly. At the same time, advanced ERP systems are introduced to realize the automation, intelligence and precision of the production process, greening, driving the improvement of product production efficiency. The company has won the titles of "National High-tech Enterprise", "Provincial Level Specialized and Special New" Enterprise, and "Jining City One Enterprise, One Technology R&D Center" enterprise. It is an industry-university-research cooperation unit of China University of Mining and Technology and a member unit of China Construction Machinery Supporting Association. Obtained IS09001 quality system certification. FAQ 1,Q:Are you trading company or manufacture? A:We are manufacture which have the right to import and export. 2,Q:How long is your delivery time? A:Generally it is 5-10 days if the goods are in stock or it is 30-40 days if the goods are not in stock. 3,Q:Do you provide samples? Is it free or extra? A:We can provide samples,but not for free. 4,Q:What is your terms of payment? A:Payment less than 1000 USD,100% in advance.Payment more than 1000 USD,30% T/T in advance,balance before shipment.