Qingdao Ruichen Sealing Technology Co., Ltd.
Qingdao Ruichen Sealing Technology Co., Ltd.
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Spring-Energized Face Seals

If you are looking for a reliable manufacturer of Spring-Energized Face Seals, you can choose Ruichen Sealing from China. We are highly experienced, and this seal is available in two models: RC2877 is a U-cup seal, and RC2877-B is a Y-shaped combination seal. Both have the same groove dimensions and are interchangeable. They are suitable for unidirectional pressure static sealing applications such as axial (end face) and flange seals, and can be used in applications with less-than-ideal surface roughness.

Ruichen is a supplier of Spring-Energized Face Seals. Our RC2877 seal is composed of a stainless steel spring and high-performance plastic. The stainless steel spring can be either a V-shaped spring or an O-ring spring. When using the RC2877-B, it is necessary to select the appropriate elastomer material.

 

Applicable operating conditions (extreme values should not occur simultaneously)

Pressure (MPa)

Speed m/s

Temperature (°C)

Medium

RC2877

RC2877-B

-

RC2877

RC2877-B

All liquids, chemicals, and gases

<40

<80

-200~+250

-35~+250

Material Selection

1. The O-ring material can be selected from: R01 nitrile rubber (NBR), R02 fluororubber (FKM), etc.

2. Sealing ring materials include: PTFE1, PTFE2, PTFE3, PTFE4, UPE, PK1, PK2, etc.

3. Stainless steel springs can be selected from O-shaped springs and V-shaped springs.

 

Order example

RC2877-40-PTFE4+V:  Outer pressure groove inner diameter is 40, sealing ring material is PTFE4, stainless steel spring is V-shaped spring.

RC2877-B-40-PTFE4+R02: Outer pressure groove inner diameter is 40, sealing ring material is PTFE4, matching O-ring is made of fluororubber.

Note: If an extended range is required, please use the series number.

Specifications Table (All specifications within the parameter range are available)

Serial number

Serial number

Standard range dh11

Extended range dh11

Groove depth h-0.05

Groove width

L+0.2

Rounded corners

Rmax

RC2877-0

RC2877-B-0

3~9.9

3~40

1.45

2.4

0.4

RC2877-1

RC2877-B-1

10~19.9

8~200

2.25

3.6

0.4

RC2877-2

RC2877-B-2

20~39.9

12~400

3.1

4.8

0.6

RC2877-3

RC2877-B-3

40~119.9

20~700

4.7

7.1

0.8

RC2877-4

RC2877-B-4

120~999.9

35~1000

6.1

9.5

0.8

RC2877-5

RC2877-B-5

≥1000

≥110

9.5

15.0

0.8


Packaging and Shipping

Ruichen Sealing places great emphasis on detail. We design scientific and rigorous packaging solutions based on the product's material, shape, precision requirements, and transportation distance.

 

Refined and Anti-Confusion Packaging

For precision standard O-rings, oil seals, and other products, we use individual polyethylene sealed bags for primary packaging to prevent dust and moisture ingress. Each bag is clearly labeled with key information such as product model, material, batch number, and production date.

These individually packaged products are neatly placed in customized partitioned cardboard boxes or plastic trays to prevent products from being squeezed, tangled, or deformed during transport.

For large-volume orders, we use sturdy, moisture-proof corrugated cardboard boxes as outer packaging, with ample internal padding to ensure stability even during bumpy transportation.

 

Professional Protection for Special Products

For large polyurethane seals, PTFE products, or mechanical seals and other fragile or easily scratched products, we employ higher levels of protective measures.

These include individual wrapping with foam cotton, securing them on special plastic trays, or using vacuum packaging to prevent oxidation. As a factory with R&D capabilities, we understand that even minor scratches or bumps can affect sealing performance, so we pay extra attention to the packaging of these high-value products.

 

Logistics and Order Tracking

We have established long-term partnerships with several reputable domestic and international logistics companies (SF Express, DHL, FedEx, etc.). We can choose the optimal transportation route based on your time requirements and geographical location. After shipment, the system will automatically generate a logistics tracking number.

You can use the link we provide to track the location and estimated delivery time of your goods in real time. For urgent samples or small-batch orders, we provide efficient expedited shipping services to fully support your R&D and production schedule.

 


Hot Tags: Spring-Energized Face Seals
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