Fire Safe Direct Mount 3-Piece Ball Valve-PVS FLOW CONTROL Co.,Ltd.

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Fire Safe Direct Mount 3-Piece Ball Valve: Product Model：Series FSB-35; Product Origin：; Added：2023-03-06; Views：

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DETAILS
SAMPLE DATA

Specification

Body Material：ASTM CF8M, CF8, WCB (DIN 1.4408, 1.4308, 1.0619)
Size Range：1/4”~4” (DN8~DN100)
Pressure Rating：2000 psi (138 bar)；150 psi (10 bar) with saturation steam
End Connection：
Female threaded to NPT, DIN 259/2999, and BS standards
Butt-welding ends Sch80
Socket-welding ends
API 607 4th Edition Fire-Safe Test approved.

Features: FSB 35 ball valves are most suitable where operational perfection is needed, especially in the event of a fire. PVS FLOW CONTROL FSB 35 ball valves assure bubble tight sealing and zero leakage in high pressure and fire conditions.
Series FSB 35 has been approved to API 607 4th Edition, with the combination of graphite sealing, secondary fire-safe contact, antistatic stem, and strong body bolts, Series FSB 35 ball valves offer secondary sealing for superior sealing effects. In high pressure condition, two sets of sealing rings are used to prevent leakage. In fire condition, the secondary sealing rings become the main sealing elements after the PTFE seats have been burnt away.
Anti-static devices are also installed on the stem. During the ball valve operation, static charge wight build up between ball and seat, andcan be potentially dangerous with inflammable fluids. To solve the problem, small metal ball and spring are used to discharge the static and maintain the electric continuity.
Instead of four long body bolts in the conventional three piece ball valves, FSB 35 ball valves use eight strong body bolts to secure connections between center piece and two side caps. For larger sizes, twelve body bolts are used. The tensile body bolts are screwed into the center piece for maximum closure, and also prevent expansion of the bolts.

Safety/Quality Approvals: Female pipe Threaded to NPT, DIN 259/2999, BS21..
Inspection & testing according to API 598.
API 607 4th Edition Fire-Safe Test approved.
ISO 9001; PED 2014/68/EU

Series FSB-35 Fire Safe Direct Mount 3-Piece Ball Valve - SIL 3 Capable2023-03-13

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