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Cast Steel Flanged End Ball Valve Soft Seated RPTFE Seal For Corrosive Liquid

China TEKO Industry Co., Limited certification
China TEKO Industry Co., Limited certification
Dear Peter, Highly appreciate your sound service. The valves have well arrived and looks every well. Regards, Andrea

—— Mr. Andrea Arredondo

Hi, my friend. Finally we got the bidder and nice to cooperate with you.You prefession and quick reaction was the firm support for the business.

—— Mr.Hiep Le Hao



Good da, we just got the appoval from our customer. Your experiences helped a lot in the project. The final drawing is also very professional. Cheers!

—— Mr. Scott Hornick

compramos de TEKO desde 2011, continuaremos la cooperación. La calidad es buena y el precio es bueno.

—— Ing. Hugo Diaz

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Cast Steel Flanged End Ball Valve Soft Seated RPTFE Seal For Corrosive Liquid


Large Image :  Cast Steel Flanged End Ball Valve Soft Seated RPTFE Seal For Corrosive Liquid

Product Details:
Place of Origin: Made in China
Brand Name: TEKO
Certification: CE/PED, API
Model Number: Q41F
Payment & Shipping Terms:
Minimum Order Quantity: 1 piece
Price: By negotiation
Packaging Details: By export wooden cases
Delivery Time: 15 working days after deposit
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 500 tons per year
Detailed Product Description
Body Material: WCB, CF8, CF8M, Etc Service: Corrosive Liquid And Gas
Driven By: Manual, Pneumatic, Electric, Hydraulic Bore: Full Bore
Structure: Ball Working Temperature: -25~-180℃
High Light:

ss ball valve flange type


v port ball valve

Cast Steel Soft Seated RPTFE Seal Flange End Ball Valve With Wide Applications



Quick Info for soft Seated Ball Valve


Service: Compatible liquids and gases.
Body: 2-piece.
Line Sizes: 1/2 to 8"
End Connections: 150# ANSI flange.
Pressure Limits: 28" Hg to 275 psi (-0.7 to 19 bar) up to 392°F.
Wetted Materials: Body and ball: 316 SS (CF8M); Stem: 316 SS; Seat: RTFE/PTFE; Seal, Washer, and Packing: PTFE.
Temperature Limits: -20 to 392°F (-29 to 200°C).
Other Materials: O-ring: Fluor elastomer; Handle: 304 SS; Washer: 301 SS; Stem Nut, Locking Device, Gland Ring: 304 SS; Handle Sleeve: PVC.





Capable of being configured to fit any applications

Limit switches can be mounted to manual valves for remote monitoring

Vented ball to reduce operating torque

Eliminates threads and reduces installation and maintenance time

Full port design reduces the pressure drop across the value



Different applications for the Soft & Metal Seat of Ball Valve


Soft Seated Ball Valves


Soft seats are generally made of thermoplastic materials like PTFE. They’re great for applications where chemical compatibility is important, and where the tightest seal is the key.

However, soft seats are not recommended for process fluids that are dirty, or abrasive. Soft seats can break down in these conditions, causing the valve to leak.


Metal Seated Ball Valves


The primary advantage of metal seated valves over soft seated valves is their ability to withstand high temperatures and severe service conditions. Metal seats can endure severe flashing, hydraulic shock, abrasive process fluid, and high temperatures up to and exceeding 538℃ . They are also ideal for high erosion or corrosion applications.

Metal seats can be hardened by coatings like ultrasonic spray coating, satellite hard facing, chromium carbide and tungsten carbide.


Contact Details
TEKO Industry Co., Limited

Contact Person: sales

Tel: +8613660157288

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