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Flanged End PTFE Lined PTFE Butterfly Valve For Chemical

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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Flanged End PTFE Lined PTFE Butterfly Valve For Chemical

Flanged End PTFE Lined PTFE Butterfly Valve For Chemical
Flanged End PTFE Lined PTFE Butterfly Valve For Chemical

Large Image :  Flanged End PTFE Lined PTFE Butterfly Valve For Chemical

Product Details:
Place of Origin: Made in China
Brand Name: TEKO
Certification: CE/PED, API
Model Number: D641F4
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: 200 tons per year
Detailed Product Description
Operation: Manual, Electric, Pneumatic Design: API, GB
Rating: PN10/16, 150Lb Liner Material: PTFE, FEP, PFA Etc
Structure: Butterfly End: Flange
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PTFE Lined PTFE Butterfly Valve


150Lb PTFE Butterfly Valve

Pneumatic Automation Flanged End PTFE Lined PTFE Butterfly Valve For Chemical


PTFE Lining Pneumatic Operation Butterfly Valve

PTFE-lining butterfly valve is suitable for many special areas such as strong acid, alkali strong corrosive environment, petroleum, chemicals, food, etc. Anti-corrosion resistance performance can be reached when PTFE is lined between valve body and valve disc.


Quick Information

1). Pressure Range: ≤ 1.6Mpa
2). Flanged Connection: DIN250-PN10/16-ANSI 150LB
3). Nominal Diameter: DN40-DN600
4). Application: Petroleum, Chemical Industry, Food, Medicine, Energy etc.
5). Medium Temp.: -79º C-+180º C (depends on sealing material)
6). Dimension: GB/T 12221 J1 Series
ISO 5752 Short Series 20
BS 5155 Water Short/Medium
DIN 3202 Part 3 Series K1
7). Top Flange: ISO 5211
8). Operation: Handle, Worm wheel, Electrical, Pneumatic, Hydraulic Actuator, Electro-hydraulic Linkage
9). Leakage Level: RPTEA EA 12266-2 (Zero Leak)


Main features

• Large selection of different materials and trims
• Dynamic, live loaded stem seal
• Flow-optimized disc for high cv values
• Mechanically locked in disc encapsulation
• Blow-out proof one-piece disc/stem assembly
• Disc features a rated breaking-point outside the atmospheric seal
• Hysteresis free throttling characteristic
• ISO mounting flange for direct automation


Material List

Item Name Material
1 Liner PTFE
2 Disc with shaft Stainless steel, PTFE coated
3 Upper body part Ductile iron
4 Lower body part Ductile iron
5 Pressure element Stainless steel(AISI 420)
6 Seal capsule Stainless steel(AISI 420)
7 Energizer Silicone rubber / VITON
8 Ring Silicone rubber
9 Sliding gland ring Steel PTFE
10 Disc spring Carbon steel
11 Screw Stainless steel A4
12 Retaining ring Stainless steel A2
13 O-ring NBR
14 Lock Washer Stainless steel A2


Contact Details
TEKO Industry Co., Limited

Contact Person: sales

Tel: +8613660157288

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