1. High precision ball & high tightness seat
FLOWSPEC metal seat ball valve has high tightness; it ensures the tightness via spring pre-pressing seat in case of low pressure. In case of high pressure, the tightness is secured via seat plunger effect. The key point is the original FLOWSPEC ball processing technical, which ensures the high precision of the ball (roundness).Advanced seat structure and high precision ball are the main factors of high tightness. At the same time, it extremely reduces operating torque.
2. Long life ball & seat
The seat is of Stellite alloy surface, and the ball sealing face is of three forms as hard chrome plating, vacuum coating and tungsten-titanium alloy and Stellite alloy etc. It owns good friction-resistance and long life for pipeline delivery of mediums with various operating temperature, high friction dust, slurry and solid foreign matters mixture.
3. The most economical material combination
The most economical point lies in that FLOWSPEC metal seat ball valve selects different seals according to different working condition.
4. The best fire safe and static resistance safety
FLOWSPEC metal seat ball valve is resistant to extremely high temperature of 500 degrees Celsius, with the function of fire and static resistance.
5. Widely applicable
FLOWSPEC metal seat ball valve with high hardness metal seat is applicable for high temperature liquid, high friction dust, slurry, transmitter with impacting substances and solid mixtures etc. It is nearly applicable for all liquids.
6. Various operating types
The top pad of FLOWSPEC metal seat ball valve designed according to ISO 5211, which is convenient for connection and exchange of various drivers. The common driving types are manual, electrical, pneumatic and pneumatic/hydraulic.
7. Applicable standards and specifications
Design and manufacturing: ASME B16.34/API 608/ API 6D
Fire safe test: API 607/API 6FA
Anti static: API 608
Face to face: ASME B16.10
End flanges: ASME B16.5
Butt welding ends: ASME B16.25
Inspection and test: API 598/API 6D
8. Design descriptions
Full bore or reduced bore design
Bolted bonnet, split body
Floating ball type
Blow out proof stem
Fire safe construction
Anti static device
Stopper device
ISO 5211 mounting bracket
Flanged or butt-welding ends
Available with worm geared operator
Materials: A216 WCB, A105, A351 CF8, CF8M, CF3, CF3M, A182 F304, F304L, F316, F316L