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Quick Details

  • Size: DN15-DN600
  • Material: Polytetrafluoroethylene
  • Standard: ANSI
  • Place of Origin: Gansu, China (Mainland)
  • Model Number: wf,wft
  • Brand Name: lanwei
  • Standard or Nonstandard: Standard
  • Product name: PTFE

Packaging & Delivery

Packaging Details Standard carton
Delivery Time Shipped in 7 days after payment

flange & bellow guards


Features: Operating temperature range -15 ~ 70 ℃, high chemical resistance, low prices, but low UV resistance, easy to aging.

Applications: Indoor



Features:Has superior tensile strength, resist ultraviolet radiation,temperature range of -150 ~ 280 ℃,

Applicable to concentrated sulfuric acid, nitric acid, hydrochloric acid, alkali and other protective acidity pipe flange & bellow guards,easy installation, long life,long-term effective protection of personnel and equipment are not subject to the flange splash, leak causing damage.

Applications: Indoor and outdoor

Model:WFPT-1 WFPT-1H

Product Name
PTFE flange & bellow guards
Petrochemical industry

High quality

Passed the ISO9001:2008 quality system authentication 

Patent certificate


patent certificate



Baiyinwantongda Mechanical and Electrical Equipment Co., Ltd. is a professional manufacture and sale flange safety cover,leakproof valve safety cover. The main products such as flange and leakproof valve safety cover are widely used in chemical industry, petroleum, smelting industry and effectively protect flange and valve pipe joints from liquid leakage and high temperature steam spray.

We offer various safety covers of flange and valve to protect personnel and equipment from interface leakage of pipelines used for transporting liquids, especially high corrosive pipelines transporting acid and alkali. Over the years our company continuously improves the technology to meet the demands of customers. In accordance with the industry standard and international standard, sizes are available upon request.

Our company has passed ISO9001 quality system certification. We produce a series of high-quality flange safety covers for users. We also supply various flange safety covers according to the actual needs of customers in addition to produce standard flange safety covers. 


1. Special logistics packaging
2. Suitable carton size
3. Global Reach

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample not free charge and do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us 

Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Manufacturer, Trading Company
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Supplier Assessments:
2 Transactions 20,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $27,000
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