Skip to product information
1 of 5

Tip Seal for Ulvac DVS-321/631

Tip Seal for Ulvac DVS-321/631

Regular price $399.90 USD
Regular price Sale price $399.90 USD
Sale Sold out
Shipping calculated at checkout.

Why choose us?

The Ulvac scroll dry pumps require routine maintenance and simple infrequently seal replacement during pump’s service life, this procedure is important to prevent potential issues.

The tip seal is a critical service part for the vacuum pump. No any equipment can be guaranteed perfect running without pump seizure. The tip seal is wearable part and require occasional replacement to keep the pump at optimal operating.

Our tip seals are exclusively formulated by professional RD teams and thousands of on-site testings and practice, have been widely used and recognized by scientific labs and instruments, research centers worldwide, can reliably serve scroll vacuum pump and reduce down-time and costly service expense. The alternative option is lower cost than genuine one, but the same performance as that.


  • 1. Cost-down Routine Maintenance: The tip seal alternative is less costly compared with genuine one, tip seal service kit is a great replacement substitute for Ulvac DVS series dry scroll pump. Vacuum pumps require routine maintenance and simple tip seal replacement to ensure the pump running under optimizing working condition; the tip seal is wearable parts, which require occasional purchasing. This service set is inexpensive with the same features and performance as genuine.
  • 2. Reliable and Excellent Working Performance: Low noise vibration, low wear, fitting the scroll groove seamlessly, preventing gas leaking and pump seizures. The tip seal set has been widely used and highly recognized by scientific labs, universities, medical or diaphragms research institutions and other application factories, helping them get the optimal vacuum environment. Being available for the most DVS series, namely DVS-321 and DVS-631.
  • 3. Exclusively Formulated PTFE for Long Service Time: the solid and compact tip seal is based on imported material Teflon (PTFE), taking advantage of its features for low wear,high extrusion, high temperature and good chemical resistance, exclusively formulated by professional R&D team, innovative craftsmanship, thousands of on-site testing and practice, worry-free about the tip seal durability, more than 1 years performing lifetime.
  • 4.Easy to install and long guarantee: The quick and simple Ulvac tip seal replacement procedure just takes about less than an house by professional and experienced personal. Please follow the Instrument Manual or video on official website properly using proper personal protective equipment while working. 12 months guarantee, contact us for any inquiry or problem at any time.

Package: including tip seal*4 pieces. 

            The tips seal kit is dark gray, light weight 400 gram/14.12 ounce; comes with a white box, including 4 piece of tip seal, long enough for the 4 scroll tip grooves, namely on the outboard housing, inboard housing, both sides of orbiting plate.

Available:  Ulvac scroll pump: DVS-321, DVS-631

Warranty: 1 Year



1. Follow the Quick Guide instructions available on official website to get a successful replacement.

2. A tip seal replacement is easy to perform, takes about 30 minutes, and uses only common tools (are not included in our package).

3. Run pump for about 40 hours (highly recommended) after finish the replacement for optimum performance, as pumps with newly installed tip seals may require several days of operation to seat properly and achieve desired pressure and pumping speed.

View full details

Frequent Asked

Edwards tip seal kit

Why your tip seal looks different from genuine?

Our exclusive formulated tip seal selected raw material and tested thousands of times by on-sites teams, ensuring the most optimized performance as the genuine one.

How long will you guarantee for the tip seal?

We offer long warranty of 12 months from order date. Find our support for your pump by email us: or drop us a message from here: contact us

Collapsible row

Collapsible row