Feature: 

· 1. Brand New Aluminum NW/KF-40 Quick Clamps with centering O-rings (FKM / Viton).

· 2. Easy to clamp and secure tight. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges.

· 3. This clamp is used for connecting standard NW/KF-40 vacuum components.

· 4. Quick Clamps are made of High Quality Aluminum so it will not bend & ensure a tight fit. O-rings (FKM / Viton) color may be vary due to different production batch.

5. Aluminum Wing Nut Flange Quick Clamp for Degassing Chamber, Vacuum Oven, Vent Lines, etc.

Product description

Specifications:
Vacuum Part
•Clamp - Made of Aluminum
•Center ring - Made of Aluminum 
•O-ring - made of FKM or commonly called Viton; 
Made of Viton (fluorocarbon elastomer) for use with a variety of chemicals and fuels. 
Advantage: Excellent chemical & heat resistance. Good mechanical & compression set resistance.

Low price with high quality! Directly from us, the manufacturer. 
With our competitive pricing and finishing time, we are confident that we can underbid other online/offline scientific vacuum instruments vendors.

Payment 

1. We only accept PayPal, payment system supports Mastercard, Visa, Discover, American Express and eCheck.

2. Please make sure you have a valid PayPal account before bidding.

3. The payment shall be submitted within 7 days after the transaction is completed. If the payment is delayed after 7 days, we have the right to cancel the transaction and re-sell the item you ordered. What’s more, there will be UPI(Unpaid case) in your ebay account.

Return Policy & Warranty

1.If the item you received is faulty, damaged or incorrect, or any further problems, you can return it for replacement or refund, please contact our customer service on eBay within 30 days from item received.

2.For damaged items on arrival, please contact us immediately, sending us an email with a photo is preferred. We will offer solutions to such cases. Full refund or replacement will be guaranteed. Shipping 1. All items will be shipped by ePacket or Airmail post within 1 business days. It takes approximately 15-25days(USA ,CA,AU,UK).other country 12-35 days (European, South America, Africa,etc.). 2. We are not Responsible for your Customs duty. 3. We don't add taxes, VAT or other hidden charges. You pay us what you see on the invoice, i.e. goods subtotal + shipping cost (not include duties). Please find out as much as you can about your import taxes in your own country before bidding the item. You need to pay for the import duties in case that occurred for certain goods, or you may kindly give us some suggestions about that, we promise to do our best to help you!