DF (HD) Series of Rolling Mill Seal

Item No.: Oil Film Bearing Seals-DF (HD) Type
DF (HD) Series of Rolling Mill seals,
Description FAQ About us
Description
Product Information
  Name DF (HD) Series of Rolling Mill Seal
  Operation temperature -40 ~ 160℃
  Medium Film bearing oil, water, cold rolling processing oil
  Speed Up to 25m/s
  Material NBR / HNBR + Metal + Spring
  Available sizes Up to 76” (custom design available)

Applications
  * Primary shaft oil seals for oil film bearings, used in rolling mill: back-up rolls (hot and cold rolling mills).
  * Garter spring with internal wire, encased in body of the seal during vulcanization.
  * DF neck oil seal can be supplied together with the corresponding water seal, or with specific V-Rings (secondary seal).
DF NICK SEAL WATER SEAL(ws-01) WATER SEAL(ws-02)


Our Advantages

DALIAN YINGYU CO., LIMITED has been devoted to developing and producing oil seals used in the metallurgical industry since 1992. We are amongst the first in China to perfect in-house, end-to-end production of DF series seals for rolling mills. Since then, we have further developed and obtained our own patents, becoming a pioneer in breaking the monopoly of international brands on the metalworking oil seal market. We serve dozens of enterprises in China both large and medium-sized. Our record is 
“zero defect” in the metallurgical seals space for five consecutive years. As an ambitious firm that focuses on quality and customer care, we hope to serve more customers worldwide in the near future.

Download the METALLURGICAL SEALS CATALOG for the details.
FAQ
FAQ

1. Are you a manufacturer or trading company?

We are both manufacturers and traders.

2. Do you accept OEM or ODM. Are you a manufacturer or trading company?
Yes, the OEM and ODM are welcome.

3. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry.

4. How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality. 

5. How long can I expect to get the sample?

The samples will be ready for delivery in 7-15days. The samples will be sent to you via express and arrive in 5-7days.

6. What about the lead time for mass production?
Usually 25-35 days, depending on the quantity purchased.

7. What is your trading terms of delivery?
We accept EXW, FOB, CIF, etc. You can choose the one which is the most convenient or cost effective for you.

8. What are the payment methods?
100% in advance by T/T, PayPal, West Union.

9. Is there any after-sales service available and service period?
If the product has quality problems within 3 months, we will renew it for you for free.



About us
About us
WHY DLYY
1. Advanced Technology

We have invested in the latest rubber manufacturing technology and equipment to ensure that our products meet the highest standards of quality. Our state-of-the-art machines and tools enable us to carry out precision extrusion, molding, and vulcanization processes with ease.
2. R & D capabilities

Our R&D team is composed of experts who have extensive knowledge and experience in rubber technology. We have our own formula laboratory and the ability to independently develop rubber formulations. Precision testing equipment and facilities enable us to conduct comprehensive evaluation and analysis of rubber samples and prototypes.
3. Consistent Quality

We have implemented a strict quality management system ISO9001 that ensures consistent high-quality products. Each batch of products undergoes a strict quality inspection process to ensure that only the finest products are delivered to our customers.
4. Independent R&D

We can independently develop products,Ability to customize products exactly to your needs
5. Production equipment

With our reliable supply chain and efficient production schedule, we ensure that all orders are shipped on time.
6. Automated Warehouse

We have a fully automated three-dimensional warehouse so your goods are better protected.
7. Product Certification

Product certification can be provided according to customer requirements. Most products have got Reach, WRAS and FDA certificates.
VERIFIED CAPABILITIES

Service

Minor customization

 Design-based customization

 Sample-based customization

 Full customization
Quality Control

Raw material tracebility indentification

Finished product inspection

 State of the art testing instruments

On-site material inspection

Quality tracebility

 Warranty available
Certificates

 ISO9001 

WARS 

 REACH and ROHS



WHAT CUSTOMER SAYS
Company in United States

"Working with DLYY is a great expeirience"
Company in Australia

 "DLYY is good supplier in term of service and products"
Company in Europe

 "I'm looling forward to my next collaboration with DLYY"
Learn more about us
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