2PC Flanged Ball Valve
Designed for chemical and power applications, this 2PC flanged ball valve handles corrosive media like nitric and acetic acid. With stainless or carbon steel body options and PTFE/RPTFE seats, it ensures reliable shut-off from -29°C to 121°C under up to PN64/600LB pressure.
Valve Size: DN15 – DN200
Pressure Rating: PN16 / PN25 / PN40 / PN64; 150LB – 600LB
Body Material: Stainless Steel (CF8 / CF8M), Carbon Steel (WCB)
Ball Material: Stainless Steel
Seat Material: PTFE / RPTFE / PEEK
Connection: RF, RTJ
Temperature Range: -29°C to 121°C
Applicable Media: Nitric acid, acetic acid, water, oil, steam
Product Technical Specifications
Model: Q41F
Design Standard: GJB/T 12224, ASME B16.34
Connection End Standard: JB/T 79.1, ASME B16.5
Face-to-Face Dimension: GB/T 12221, ASME B16.10
Test Standard: GB/T 13927, API 598
Product Dimensions and Structure

| NO. | PART NAME | MATERIAL |
|---|---|---|
| 1 | HANDLE | WCB+Zn |
| 2 | SNAP RING | 314 |
| 3 | STOP PLATE | 314 |
| 4 | GLAND | CF8 |
| 5 | BOLT | 314 |
| 6 | PACKING | PTFE |
| 7 | GASKET | PTFE |
| 8 | STEM | F314 |
| 9 | SEAT | PTFE |
| 10 | BALL | F314 |
| 11 | BODY | CF8 |
| 12 | GASKET | PTFE |
| 13 | CAP | CF8 |
| 14 | NUT | 314 |
| 15 | BOLT | 314 |
Performance Parameters
| ITEM SIZM | L | W | H | D | D1 | D2 | b | f | z-d |
|---|---|---|---|---|---|---|---|---|---|
| 1/2" | 108 | 130 | 59 | 90 | 60.3 | 34.9 | 8 | 2 | 4-Φ16 |
| 3/4" | 117 | 130 | 63 | 100 | 69.9 | 42.9 | 8.9 | 2 | 4-Φ16 |
| 1" | 127 | 160 | 75 | 110 | 79.4 | 50.8 | 9.6 | 2 | 4-Φ16 |
| 1 1/4" | 140 | 160 | 85 | 115 | 88.9 | 63.5 | 11.2 | 2 | 4-Φ16 |
| 1-1/2" | 165 | 230 | 95 | 125 | 98.4 | 73 | 12.7 | 2 | 4-Φ16 |
| 2" | 178 | 230 | 107 | 150 | 120.7 | 92.1 | 14.3 | 2 | 4-Φ19 |
| 2 1/2" | 191 | 400 | 142 | 180 | 139.7 | 104.8 | 15.9 | 2 | 4-Φ19 |
| 3" | 203 | 400 | 152 | 190 | 152.4 | 127 | 17.5 | 2 | 4-Φ19 |
| 4" | 229 | 700 | 178 | 230 | 190.5 | 157.2 | 22.3 | 2 | 8-Φ19 |
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