PTFE Lined Gate Valve‌‌

Waits Valve is a compliant and well formulated PTFE Lined Gate Valve supplier. We hold ISO9001 certification and third party factory inspection reports, and provide clear certificates of origin, material reports and other basic documents. I believe that with our more than 30 years of experience in valve manufacturing and exporting, we are qualified to be your partner!

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Product Description

Waits Valve high quality PTFE Lined Gate Valve is a corrosion-resistant valve whose valve body, valve disc and valve seat are lined with fluoroplastic (PTFE) on the inner wall. They are mainly used for pipeline control of corrosive media such as strong acids and strong alkalis. The corrosion resistance of fluoroplastics makes fluorine-lined gate valves the core shut-off equipment in highly corrosive media pipeline systems. However, its performance is limited by temperature, pressure and media characteristics, and needs to be reasonably selected according to specific working conditions.

Waits Valve's PTFE or PFA lined gate valves are mainly used in the chemical industry,

such as sulfuric acid, alkali, etc. The gate valve adopts a wedge structure.

The valve body material of PTFE Lined Gate Valve‌‌ can be selected from ASTM A216 WCB, or stainless steel CF8, CF8M, etc.

Lining materials PFA and PTFE are both produced by DuPont or Daikin.

Gate valve design and manufacturing standards: API 600 or JIS standards.

End face size: ASME B16.10 or customized.

Flange drilling: ASME B16.5 or customized.

Implementation Standards-PTFE Lined Gate Valve‌‌
Design Standards	API 6D/API 600, EN1074-1
Flange Standard	ASME B16.5/ASME B16.47-A/B /EN1092-1/2
Connection methods	RF
Testing and acceptance	API 598, EN12266
Structural length	API6D/ASME B16.10/EN558
Pressure and temperature ratings	ASME B16.34
Fireproof test	/
Low leakage standards	ISO 15848-1, API 622
Anti-corrosion design	NACE MR 0175
Application-PTFE Lined Gate Valve‌‌
Size	NPS 1/2”~ NPS 24″ DN15 ~ DN600
Pressure range	CL150 ~CL150 PN10~ PN16
Temperature range	PTFE-50°C~+180°C
Application range	Applicable to various media such as water, steam oil, nitric acid, acetic acid, strong oxidizing media, etc.
Valve body	Forgings: A105, A182 F304, F304L, F316, F316L, F51, F53, B148, A350 LF2, LF3, LF5, Monel, PTFE-lined Castings: A216 WCB, CF3, CF8, CF3M, CF8M, 4A, 5A, C95800, LCB, LCC, LC2, PTFE-lined
Gate	Forgings: A105, A182 F304, F304L, F316, F316L, F51, F53, B148, A350 LF2, LF3, LF5, Monel, PTFE-lined Castings: A216 WCB, CF3, CF8, CF3M, CF8M, 4A, 5A, C95800, LCB, LCC, LC2, PTFE-lined
Valve seat	Main material, 13CR, stainless steel 304/316, monel, carbide, alloy 20, copper alloy, etc., PTFE-lined
Valve stem	‌A182-F6a-F304-F316-F51 17-4PH/XM-19 ...
Filler	Asbestos graphite, flexible graphite, polytetrafluoroethylene, iron-based alloy

Product Features

1.The packing achieves reliable sealing through the compression force of the gland, preventing media leakage along the valve stem.

2.The one-piece construction of the disc and stem ensures a compact valve structure. A conical step on the stem provides backseat sealing when the valve is fully open.

3. During closure, pressure applied to the disc ensures tight contact between sealing surfaces, preventing media flow. This design minimizes wear and tear on the sealing faces.

Product Advantages

1.PTFE resist nearly all strong acids, alkalis, oxidizers, and organic solvents (e.g., sulfuric acid, hydrochloric acid, aqua regia, sodium hydroxide), making them ideal for highly corrosive environments in chemical, pharmaceutical, metallurgical, and environmental protection industries.

2.Soft sealing structures (fluoroplastic-to-fluoroplastic or fluoroplastic-to-metal) ensure tight closure with minimal leakage, particularly suitable for isolating high-purity or toxic media.

3.The smooth fluoroplastic surface reduces operating torque, enabling easy and efficient operation even in frequent cycling applications.

Ptfe Lined Gate Valve