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QFF3 blance valve materials for main parts
Part name | BODY | Stem | Base | PACKING | Packing bonnet | Hand wheel |
QFF3-160-DN5 | Carbon steel | Cr,Stainless steel | PTEF,Soft graphite | Carbon steel |
High grade carbon steel |
|
QFF3-320P-DN5 | Cr,Ni Stainless steel | Cr,Stainless steel | Cr,Ni Stainless steel | Stainless steel |
QFF3 blance valve chief Property and specification
Type | Nominal Pressure | PS(MPa)Test pressure | Working Pressure | (°C) Working Temperature |
Suitable | ||
Shell | Seal | Seal | |||||
QFF3-320-DN5 | 32.0 | 48.0 | 35.2 | 0.6 | 32.0 | P=540°C |
Petroleum gas Water, Asic,Steam, Oil etc. |
C=425°C |
QFF3 blance valve main external and connecting dimensions(mm)
DN(mm) | Dimensions | (Kg) | ||||||
Type | Nominal diameter | L1 | D1 | Do | H | H1 | L2 | Weight |
QFF3-320-DN5 | 5 | 200 | 14 | 65 | 234 | 260 | 54 | 3.8 |