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Contact SupplierA floating ball design offers efficient sealing with simple construction. As the name indicates, the ball has some freedom to move along the axis of the pipeline, which offers efficient downstream sealing. When line pressure is applied to the closed ball, it moves slightly (or floats) downstream to maintain contact with the downstream seat where primary sealing occurs. A quarter turn motion from full open to full close ensures quick open-close action, an inherent advantage for automatic remote control application. Floating ball valve offers effective bi-directional sealing.
Trunion mounted design offers precise locational accuracy for the ball within the upstream and downstream seat, which ensures leak tight sealing with lower operative torques. The sealing takes place by allowing the seats to move towards the ball. This design ball valves can hold very high pressures.
01/02/24 | Body/ Side Piece | WCB, CF8, CF8M, CF3, CF3M, F304, 316, CN7M, WCC / LCB / Duplex |
---|---|---|
03/04/05 | Trunion/ Seat Retainer/ Stuffing Box | WCB, CF8, CF8M, CF3, CF3M, WCC / LCB / Duplex F304, F316, CN7M |
6 | Gland | ANSI 410, 304, 316, 316L, 304L, MONEL, ALLOY20, HAST-B, C. |
7 | Ball | ANSI 410, 304, 316, 316L, 304L, WCC / LCB / Duplex, MONEL, ALLOY20, HAST-B, C. |
8 | Stem | ANSI 410, 304, 316, 316L, 304L, MONEL, ALLOY20, HAST-B, C. |
9 | Seat | PTFE, GFT, CFT/ Metal to Metal Delrin, Nylon. |
10 | Seat Spring | Inconel, AISI 304. |
11 | “O” Ring | Viton. |
12 | Stem Washer | GFT. |
13 | Gland Packing | PTFE, Grafoil. |
14 | Body Seal | PTFE, Grafoil, SWG. |
15 | Check Nut | Carbon steel, AISI 304. |
16 | Thrust Washer | GFT. |
17 | Body Stud/Nut | B7/2H, B8/B8M. |
18/19 | Stuffing Box/ Trunion Bearing | AISI 316 Backed PTFE. |
20/21 | Stuffing Box/ Trunion Seal | Grafoil, PTFE. |
22 | Bracket | Carbon steel. |
23 | Gland Nut | Carbon steel. |
23 | Belleville Spring | Spring steel. |
25 | Antistatic Spring | SS 304. |
26 | Gear Box | Std. |