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Product details

Three piece clamp ball valve diagram (3PC) Q81F-16 P/R
Product Features
- Nominal pressure: 1.6-6.4MPa
- Applicable temperature range:- 20~232℃~350℃
- Applicable media: water, oil, gas, and certain corrosive liquids (W.O.G).
Main connection dimensions and weight
SIZE | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 21/2″ | 3″ | 4″ |
PORT | 9.6 | 15.9 | 22.2 | 28.5 | 34.9 | 47.5 | 60.2 | 72.9 | 97.4 |
L | 75 | 90 | 100 | 110 | 125 | 150 | 190 | 220 | 270 |
D | 25.0 | 25.0 | 20.4 | 50.4 | 50.4 | 63.9 | 77.4 | 90.0 | 118.9 |
S | 20.24 | 20.24 | 43.60 | 43.60 | 43.60 | 56.30 | 70.60 | 83.30 | 110.30 |
H | 64 | 67 | 83 | 89 | 100 | 108 | 150 | 161 | 180 |
T1 | … | … | 2.85 | 2.85 | 2.85 | 2.85 | 2.85 | 2.85 | 2.85 |
T2 | 3.63 | 3.63 | 4.75 | 4.75 | … | … | … | … | … |
E | 125 | 125 | 140 | 140 | 200 | 200 | 250 | 250 | 290 |
Material for main parts

Three piece clamp ball valve assembly drawing
Serial Number | Part name | material |
1 | valve body | Stainless steel CF8M |
2 | valve cover | Stainless steel CF8M |
3 | sphere | Stainless steel SS316 |
4 | Bolt gasket | Stainless steel SS304 |
5 | bolts and nuts | Stainless steel SS304 |
6 | bolt | Stainless steel SS304 |
7 | sealing ring | Polytetrafluoroethylene (PTFE) |
8 | Valve body sealing ring | Polytetrafluoroethylene (PTFE) |
9 | Thrust washer | Polytetrafluoroethylene (PTFE) |
10 | Valve stem gasket | Polytetrafluoroethylene (PTFE) |
11 | valve stem | Stainless steel SS316 |
12 | Packing gland nut | Stainless steel SS304 |
13 | Handle nut | Stainless steel SS304 |
14 | Handle gasket | Stainless steel SS304 |
15 | Padlock device | Stainless steel SS304 (OQTION) |
16 | handle | Stainless steel SS304 |
17 | handle sleeve | plastics |
Note:
1. The main performance parameters such as the structure, structural diagram, dimensions, and parameters of the three piece clamp ball valve on this webpage, as well as the installation dimension diagram and table, are only for reference. For detailed CAD drawings, installation diagrams, and product manuals, please request them from the marketing personnel of Saitai Valve.
Due to limited editing skills, errors and inadequacies are inevitable. We sincerely hope for your criticism and correction.
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