Material Specifications for Hydraulic Directional Valve (P/N: B220400000011)
Body: Ductile iron (EN-GJS-500-7) compliance; hardness 200-250 HB.
Spool: Hardened stainless steel (HRC 45-50); precision grinding (Ra ≤0.4μm).
Seals: Fluoroelastomer (FKM) rated for -20°C to +150°C.
Spring: High-carbon steel; stress-relieved at 350°C.
Surface Treatment: Nitriding for corrosion resistance; max. roughness 1.6μm.
Compliance: RoHS/REACH-certified; compatible with VG46/68 fluids.
Product Deatials
| Part Name | Hydraulic Control Change Valve | Part Number | B220400000111 |
| Model | DG3-3-2N-7-B-60 | Application | SANY Concrete Pump |
| Package Size | / | Weight | 15 kg |
| MOQ | 1 PC | Brand Name | CBP |
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