Technical Specifications
Connection FormFlange
Driving ModePneumatic
Nominal PressureANSI CLASS 150-900
StructureFloating Ball Valve
TemperatureNormal Temperature
Design StandardAPI 6D, ASME B16.34
Ends ConnectionRF, RTJ, BW, NPT, SW
Inspect & TestAPI 598
Product Overview
Pneumatic Cast Steel RF Flanged Segment Ball Valve designed for industrial, water, and household usage. These valves conform strictly to international standards including API 6D, BS5351, and ASME B16.34, ensuring high reliability in shutoff functions.
Construction Features
◈ "V" or "O" Port Design
◈ One Piece Body or Bolted Bonnet
◈ Fire Safe & Anti-static Design
◈ Side Entry Construction
◈ Blow-out Proof Stem
◈ Top Mounting Flange for Actuator
Main Materials & Parts
| Part Names |
Standard Materials |
| Body / Bonnet |
WCB, LCB, WC6, CF8, CF8M, CF3, CF3M |
| Ball |
A105, SS304, F22, SS316, SS304L, SS316L |
| Stem |
A105, F304, F6a, F316, F304L, F316L |
| Seat / Seat Ring |
PTFE / NYLON / DEVLON / PEEK / METAL |
| Packing / Gasket |
Graphite / PTFE / SS304+Graphite |
| Bolts / Nuts |
B7/2H, L7/4, B16/4, B8/8, B8M/8M |
Operational Range
Pressure Rating
PN10~PN50, CLASS 150 & 300
Size Range
DN25~DN400 (1" ~ 16")
Frequently Asked Questions
● What standards does this segment ball valve comply with?
The valve is manufactured in accordance with API 6D, BS5351, and ASME B16.34 standards. Testing is performed per API 598.
● What are the available connection types?
We offer various end connections including Flanged (ASME B16.5), Butt Weld (ASME B16.25), RTJ, NPT, and Socket Weld (SW).
● Is the valve suitable for high-temperature applications?
While standard models are for normal temperature, we offer material options like Stainless Steel (CF8/CF8M) that can handle temperatures ranging from -196°C to 427°C depending on the configuration.
● Does the valve include safety features?
Yes, the valve incorporates a fire-safe design, anti-static features, and a blow-out proof stem for maximum operational safety.
● What is the annual production capacity for these valves?
The production capacity is approximately 8,000 tons per year, ensuring reliable supply for large-scale industrial projects.
● Can it be used for corrosive mediums?
Yes, with stainless steel bodies (CF8/CF3M) and appropriate seals, the valve is suitable for handling corrosive media such as HNO3 and CH3OOH.
Maria Valve
