Q41F là van bi nổi có mặt bích để cách ly 1/4 vòng trong đường ống công nghiệp. The ball is held between its seats rather than supported by trunnions; line pressure presses it toward the downstream seat to form the seal.
The cast steel configuration shown below combines a WCB body with PTFE seats. The specification and dimensional table provide the main details for comparing this model with your piping requirements.

Van Bi Nổi Q41F 150LB- Thép đúc WCB - API ANSI
Loạt: Van bi nổi Q41F
Thân hình: Thép đúc WCB
Sự liên quan: có mặt bích
Ghế: PTFE
Kích thước danh nghĩa: NPS 1/2–8
| Mô hình van bi (API) | Áp suất định mức (Mpa) | Kiểm tra cường độ áp suất(Mpa) | Kiểm tra áp suất(Mpa) | Nhiệt độ | Phạm vi sử dụng |
|---|---|---|---|---|---|
| Q41F-150LB | 2.0 | 3.0 | 2.2 | -29~150oC | Nước, khí ga, dầu |
Floating Ball Construction
The floating ball moves slightly under line pressure, bringing it into contact with the downstream seat. PTFE seats provide the sealing surfaces around the ball, while the quarter-turn stem connects it to the operator.
Flanged ends allow the valve to be bolted into the pipeline and removed for maintenance. The dimension table below supports installation planning and comparison with existing valves.
Farpro supplies Q41F floating ball valves for project procurement and replacement work. Send us your valve specification or required size and quantity for a quotation.