Stainless Steel Two Pieces Ball Valve Description
Stainless steel two-piece ball valve is an industrial pipeline control valve. Its core structure consists of two parts of the valve body connected by bolts, and the internal ball can be turned 90° to achieve medium on and off. The following is a detailed analysis:
Structural composition
Main assembly
Split valve body: The main valve body and the rear valve cover are fastened by bolts to form a complete cavity.
Ball: Stainless steel precision ground ball core (commonly used 304/316L material), full-diameter design to reduce flow resistance.
Valve stem: The lower end is connected to the ball, and the upper end is connected to the actuator (handle or electric device), with an anti-flying shoulder structure.
Sealing system
Valve seat: Soft seal uses PTFE (corrosion-resistant, low friction), and hard seal is stainless steel surfacing (high temperature resistant).
Elastic compensation structure: Some high-pressure models have built-in springs to automatically compensate for valve seat wear.
Extended function
High platform design: The top of the valve stem is elevated to facilitate the installation of pneumatic/electric actuators.
Fireproof and anti-static: After the soft seal is burned, it can be replaced by a metal hard seal, and the valve stem can eliminate static electricity
Stainless Steel Two Pieces Ball Valve specification
|
item |
value |
|
Type |
Ball valve |
|
Customized support |
OEM |
|
Place of Origin |
China |
|
Brand Name |
GNEE |
|
Temperature of Media |
High Temperature, Medium Temperature |
|
Power |
Manual |
|
Media |
Water |
|
Connection |
flange |
|
Body material |
cast iron |
|
Standard |
API607 |
|
Working pressure |
Class 150,pn16,pn40 |
|
BODY,END CAP |
CF8M/WCB |
|
SOLD BALL |
CF8M/CF8 |
|
BALL SEAT |
PTFE |
Stainless Steel Two Pieces Ball Valve
Advantages
Easy maintenance: No need to dismantle the pipe, just loosen the bolts to replace the internal seal.
Low flow resistance and high efficiency: Full-diameter ball structure, the fluid resistance is close to the straight pipe section.
Reliable sealing: The medium pressure pushes the ball to press the outlet valve seat to achieve two-way sealing.
Flexible operation: 90° fast opening and closing, support manual/automatic control.
Long life: Stainless steel is corrosion-resistant, and PTFE valve seat is wear-resistant.
Applications
Harsh media scenarios
Corrosive fluids: Chemical acid and alkali transportation (relying on 316L material).
High cleanliness system: Food and pharmaceutical pure water, steam pipelines.
Energy and industry
Oil and gas: Branch pipeline cutoff (below Class 600).
HVAC: Hot and cold water control (applicable to EPDM valve seat).
Special working conditions
Medium containing particles: Modified PTFE valve seat is wear-resistant.
Automation system: High platform design and adaptable actuator
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