FULL BORE FLANGED BALL VALVE WITH GEARBOX ALSO KSHFZ (STEEL 20)
Key features of this product line:
With Gearbox (KShFZ): The mechanical manual gearbox with a handwheel significantly reduces the operating torque, allowing smooth and easy operation of large valves (Dn 100, 150, 200) under high pressure.
Full Bore (Full): The internal diameter of the ball port matches the inner diameter of the pipe perfectly. This ensures unrestricted flow with zero pressure drop and minimal pipeline wear.
Steel 20: A robust, fully welded carbon steel body provides extreme resistance to mechanical stress, water hammer, and thermal expansion.
ALSO steel full bore ball valves of the KShFZ series equipped with manual gearboxes are designed for installation on main pipelines carrying water, steam, gas, petroleum products, and other non-aggressive media. Due to the fully welded body design made of Carbon Steel 20 and the maximum tightness class, these valves provide ultimate reliability in thermal and gas supply systems, remaining maintenance-free throughout their operational life.
| № | Product name | Diameter (Dn) | Pressure (Pn) | Bore type | Body material | Manufacturer | Sum with VAT |
|---|---|---|---|---|---|---|---|
| 1 | Ball valve ALSO KShFZ | Dn 100 | 1.6 MPa (16 bar) | Full Bore | Steel 20 | Russia | 1 |
| 2 | Ball valve ALSO KShFZ | Dn 150 | 1.6 MPa (16 bar) | Full Bore | Steel 20 | Russia | 1 |
| 3 | Ball valve ALSO KShFZ | Dn 200 | 1.6 MPa (16 bar) | Full Bore | Steel 20 | Russia | 1 |
Technical Characteristics
| Parameter | Value / Description |
|---|---|
| Valve type | Full bore shut-off ball valve |
| Connection type | Flanged (KShFZ) according to GOST |
| Operation type | Mechanical manual gearbox with handwheel |
| Body construction | Fully welded (one-piece) |
| Body material | Carbon Steel 20 (st.20) |
| Ball / Stem material | Corrosion-resistant stainless steel |
| Tightness class | Class A according to GOST 9544 (zero leakage) |
| Working medium | Water, steam, natural gas, petroleum products, mildly aggressive media |
| Working medium temperature | From -40°C to +200°C |
| Flow direction | Bi-directional (any direction) |
Advantages of ALSO Full Bore Ball Valves with Gearbox
Easy Operation: The pre-installed factory gearbox dramatically decreases the handwheel torque, allowing easy manual operation even under maximum system pressure.
Zero Flow Resistance: The full bore profile eliminates internal bottlenecks, avoiding medium turbulence and fluid pressure loss.
Leakproof Body: The fully welded design prevents any external fluid leakage, ensuring high safety in critical applications like gas mains and heating networks.
Premium Seals: Carbon-reinforced PTFE seats provide a tight seal against the stainless steel ball and retain elasticity over long periods.
Primary Application
District heating and hot water supply systems (heating and domestic hot water).
Main and distribution pipelines for natural gas and petroleum products.
Process piping in industrial production and municipal utilities.
Metering stations, pumping stations, and heat substations.
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