Product Highlights
Ultra‑low cracking pressure of 0.2 bar delivers excellent self‑priming performance
Optimized flow channel for smooth flow and low flow resistance
Low pilot control pressure ensures reliable spool reset
Optional with or without pre‑decompression function; DG100 offers B and C two flange versions
Type‑B plate mounting on cylinder bottom with housing, piped connection to prefill tank
Max working pressure 320 bar, nominal size DG40‑DG100, compact structure
Ideal for hydraulic forging presses
Custom parameters and mounting forms available; vertical installation is recommended



Technical Specifications
| Size | Weight (Kg) | D1 H7/f7 | D2 | D3min | D4 | D5 | D6 | L1 | L2 | L3 | L4 | Pipe joint | Fixing screw |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 18 | 62 | 56 | 66 | M16 | 52 | M12 | 91 | 50 | 75 | 14 | 10/M14*1.5 | M16*130 |
| 50 | 25 | 80 | 67 | 84 | M20 | 64 | M12 | 94 | 65 | 90 | 10 | 10/M14*1.5 | M20*150 |
| 63 | 32 | 95 | 82 | 104 | M24 | 77 | M16 | 109.5 | 72.5 | 105 | 16 | 10/M14*1.5 | M24*170 |
| 80 | 55 | 115 | 102 | 130 | M30 | 92 | M16 | 126 | 90 | 130 | 14 | 14/M18*1.5 | M30*200 |
| 100B | 65 | 150 | 120 | 170 | M36 | 116 | M16 | 150 | 110 | 165 | 15 | 14/M18*1.5 | M36*230 |
| 100C | 67 | 150 | 120 | 170 | M30 | 116 | M16 | 140 | 100 | 155 | 15 | 14/M18*1.5 | M30*220 |
| Size | A1 | A2 | H1 | H2 | H3 | H4 | H5 | T1 | T2 | T3 | S | B1 | O ring | Side ring |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 43 | 78 | 196 | 152 | 15 | 34 | 53 | 3 | 18 | 32 | 10 | 100 | 56.82*2.62 | 6257.81.5 |
| 50 | 51 | 89 | 222 | 180 | 20 | 57 | 58 | 3 | 23 | 35 | 15 | 125 | 69.22*5.33 | 8071.61.5 |
| 63 | 62 | 106.5 | 265 | 215 | 23 | 56 | 71.5 | 4 | 23 | 40 | 16 | 145 | 85.09*5.33 | 9586.61.5 |
| 80 | 62 | 106.5 | 297 | 220 | 23 | 55 | 79.5 | 4 | 23 | 50 | 18.5 | 180 | 104.14*5.33 | 115106.61.5 |
| 100B | 78 | 130 | 297 | 250 | 23 | 70 | 90 | 4 | 25 | 60 | 24 | 220 | 139.07*5.33 | 150141.61.5 |
| 100C | 78 | 130 | 297 | 250 | 23 | 70 | 90 | 4 | 25 | 50 | 24 | 200 | 139.07*5.33 | 150141.61.5 |
Factory Information
Taifeng Intelligent is an experienced exporter of hydraulic components and electro-hydraulic integrated control systems. Based in Jining High-tech Zone, Shandong, China, and founded in 2000, we serve international OEMs, distributors and machinery manufacturers with factory-direct supply.
Core products: two-way cartridge valves, piston pumps, multi-way valves, prefill valves and hydraulic cylinders. As the world's largest two-way cartridge valve manufacturer (about 70% domestic market share), we combine product depth with responsive export service — quotation, sampling, OEM/ODM and after-sales technical support.
We are a national high-tech enterprise, ISO 9001 certified, and an MIIT Manufacturing Industry Single-Item Champion Demonstration Enterprise since 2016. Trusted by leading customers such as China First Heavy Industries, XCMG and Zoomlion. Contact us for a competitive factory price today.



