INDUSTRIAL SEALING PARTS

Industrial Sealing Components
從選材到客製量產
一次確認

If you have old parts, photos, or drawings on hand, you can get started right away—Chengxin will help you confirm the material specifications and delivery schedule.

High-Temperature and Chemical ResistanceHigh-Precision Custom MachiningFrom Small-Scale Prototyping to Mass Production
COMMON PROBLEMS

Do you run into these problems when looking for parts?

Old parts are no longer in production, and it's hard to find the model numbers—where can I find parts with the same specifications? Old parts are no longer in production, and it's hard to find the model numbers—where can I find parts with the same specifications?
If I only have old parts, photos, or drawings, how can I verify the material, temperature resistance, and pressure resistance? If I only have old parts, photos, or drawings, how can I verify the material, temperature resistance, and pressure resistance?
With special dimensions and delivery deadlines to consider, who can help confirm the specifications, processing, and delivery schedule? With special dimensions and delivery deadlines to consider, who can help confirm the specifications, processing, and delivery schedule?
Engineer Cheng Xin helped verify the part types and materials
WHO WE ARE

Chengxin helped the Taiwanese factory source the right parts and get them delivered.

舊零件停產、型號查不到,或手上只有照片與圖面,都可以先把現有資料傳給承炘。我們從密封位置、尺寸、接觸介質、溫度與壓力一起確認,協助判斷現成規格、替代材料或客製加工的可行方向。再把需要補量的尺寸、材料選擇與交期說清楚,讓你採購有依據、維修排得進時程,找到能配合設備使用的零件。

WHY CHENGSHIN

Our Six Key Advantages

You can get started even if your needs are just beginning to take shape; Chengxin will help you finalize the specifications so you can place an order right away.

First, find the real cause of the leak.
01

找對漏點原因,減少反覆換件

從漏的位置、舊件磨損與使用條件一起判斷,釐清材料、尺寸或安裝配合的影響。讓這次換件有明確方向,減少換上新品後又拆機處理的時間。

Material Selection Is Based on Operating Conditions
02

材料配合工況,零件穩定用得久

依接觸介質、工作溫度、壓力與負載,比較 PTFE、PVDF、PEEK、PCTFE、FFKM、PI 等材料的適用性。把耐化學、耐磨與尺寸穩定需求一起考慮,降低選材不合造成的變形與提早換件風險。

使用分厘卡確認環件厚度尺寸
03

尺寸規格先確認,採購安裝更省心

有舊件、照片或部分尺寸就能開始。我們協助整理密封位置、關鍵尺寸與配合需求,說清楚還要補哪些資料,讓採購、加工與現場安裝依同一份規格確認,減少來回詢問與尺寸落差。

Delivery of Machined Parts, Inspections, and Documentation
04

加工檢驗有依據,交貨驗收更順利

依確認的圖面與規格安排加工,並事先對齊尺寸檢查及材料文件需求。讓工程、採購與品管知道交貨時要核對什麼,方便追溯與驗收,減少收貨後再補資料的往返。

閥門與壓力表呈現密封件使用工況
05

密封形式配對,設備運轉更穩定

面對高低溫、腐蝕介質、真空或往復與旋轉運動,將材料與密封形式一起評估。依設備條件確認墊片、環件、油封或其他密封結構,讓零件配合實際工作方式,降低洩漏與異常磨耗風險。

批量加工環件排列於成品托盤
06

試作接上量產,補貨交期好安排

先依少量試作或替代件的使用結果確認規格,再銜接量產數量與交期。由同一窗口延續材料、尺寸與加工需求,減少每次補貨重新說明,讓你更容易安排備品與維修時程。

OUR PRODUCTS

Frequently Searched Products and Parts

We offer a wide range of sealing components and engineered parts, supporting standard products, replacement parts, and custom machining applications.

STEP 01

First, determine which type of part you need.

First, examine the equipment, the sealing location, and the method of use to determine the type of part.

Flange Gaskets and Flat Gaskets
01

Flange Gaskets / Flat Gaskets

管路法蘭與平面接合處需要穩定密封時,依介質、溫度與接合尺寸確認墊片,減少規格不合造成的滲漏與重新拆裝。

View Flange Gaskets →
O-Rings and Square Rings
02

O-Ring / Square Ring

從接合位置、溝槽與使用方式確認圈型,再依介質與溫度選材,讓尺寸與壓縮配合到位,減少換新後仍反覆洩漏。

View O-Ring →
Backup Ring
03

Backup Ring/Support Ring

高壓或配合間隙較大時,評估支撐環與主密封件的搭配,降低擠出損傷風險,讓密封壽命與維修安排更穩定。

View Backup Ring →
Valve Seat Ring
04

Valve Seat Ring

閥門開關後仍需保持密合,依圖面、接觸介質與配合尺寸確認閥座環,讓加工零件貼合閥體需求,減少內漏與重工。

View Valve Seat Ring →
Oil Seals and Radial Shaft Seals
05

Oil Seals / Shaft Seals

依軸徑、轉速、溫度與油品確認油封形式,兼顧潤滑保持與外部污染防護,讓旋轉設備運轉與保養更好安排。

Check the oil seal →
Spring-Assisted Seal
06

Spring-Assisted Seal

面對真空、低壓或特殊介質,將密封材料、彈簧形式與溝槽配合一起評估,讓密封件適應工況變化,維持穩定密合。

View Spring-Enhanced Seals →
Hydraulic Cylinder Seal Kits
07

Hydraulic Seals

針對液壓缸與往復運動,依壓力、行程與配合尺寸確認密封組合,兼顧耐磨與密封表現,減少漏油與提早換件。

View Hydraulic Seals →
Special and Custom Seals
08

Special/Custom Seals

標準件尺寸不合或舊件停產時,可由圖面、樣品與工況評估客製加工,找到可銜接設備使用與後續補貨的零件方向。

View Custom Seals →
配套零件

套組裡的其他密封與防護零件

依使用位置延伸查看既有零件頁,讓舊件辨識與整組配套更容易接續。

After confirming the part typeSelect materials based on the medium, temperature, pressure, and mechanical requirements.
STEP 02

Commonly Used High-Performance Materials

Materials must be selected based on the actual medium, temperature, pressure, and mechanical requirements to ensure reliable operation of the components.

PTFE
PTFE

Polytetrafluoroethylene

需要耐腐蝕或低摩擦的墊片、滑動件,可從 PTFE 評估。一起確認介質、負載與配合尺寸,讓零件兼顧密封與滑動需求,減少選材反覆試錯。

Corrosion-Resistant and Low-Friction
PVDF
PVDF

Polyvinylidene Fluoride

化工、水處理或泵浦管路需要耐化學與韌性時,可評估 PVDF。依介質、濃度與溫度確認適用條件,幫你找到能配合現場使用的材料方向。

Chemical Resistance and High Toughness
PEEK
PEEK

Polyetheretherketone

零件同時面對高溫、負載與精密配合需求時,可評估 PEEK。將工作溫度、受力與尺寸要求一起確認,讓選材更貼近設備需求,維修與備品更好安排。

High Strength, High-Temperature Resistance
PCTFE
PCTFE

Polyvinylidene Fluoride

真空、特殊氣體或低溫閥件重視低滲透與尺寸配合時,可評估 PCTFE。依介質、溫度與密封結構確認規格,讓閥件選材與加工方向更清楚。

Low Osmolarity, Low-Temperature Stability
FFKM
FFKM

Perfluorinated Rubber

關鍵密封同時面對嚴苛化學與高溫條件時,可評估 FFKM。依實際介質、溫度與清洗條件確認適用等級,減少因材料不合而反覆更換的負擔。

High-Performance Chemical-Resistant Seals
PI
PI

Polyimide

高溫、真空或精密設備需要兼顧摩擦與尺寸穩定時,可評估 PI。把使用環境、負載與加工尺寸一起確認,讓零件配合需求與驗收重點更明確。

High-Temperature Resistance・Dimensional Stability
Do you have drawings, old parts, or operating conditions? Forward it directly to Chengxin for his assessment.
APPLICATIONS

We have the right sealing components for all types of equipment.

First, examine the actual application scenario, then select materials and component designs that will ensure long-term reliability.

Hydraulic/Reciprocating Equipment | Pressure-Resistant, Wear-Resistant, and Durable

Hydraulic/Reciprocating Equipment | Pressure-Resistant, Wear-Resistant, and Durable

油缸長時間往復運轉,密封件持續承受摩擦與壓力變化。依油品、壓力、行程與間隙確認密封及支撐配置,降低漏油與磨損風險,讓備品更換與維修排程有依據。

Pumps/Valves | Stable Fluid Sealing

Pumps/Valves | Stable Fluid Sealing

泵浦與閥門接觸不同流體,反覆啟閉又考驗密封面的配合。從介質、溫度與閥座尺寸確認材料和加工需求,讓關閉後的密合更穩定,減少因洩漏反覆拆修。

Corresponding parts:Valve Seat Ring、O-Ring
Rotating Shaft Equipment | Lubrication and Protection—All in One

Rotating Shaft Equipment | Lubrication and Protection—All in One

旋轉軸需要保持潤滑,也要阻擋外部粉塵。一起確認軸徑、轉速、油品與軸面狀況,配合適用的油封形式,減少漏油與污染造成的保養負擔。

Corresponding parts:Oil Seals / Shaft Seals
Chemical Processing Equipment | Stable Sealing for Flange Connections

Chemical Processing Equipment | Stable Sealing for Flange Connections

法蘭接口長期接觸酸鹼或溶劑,材料相容性與接合配合都會影響密封。依介質、濃度、溫度及法蘭規格評估墊片,降低劣化與滲漏風險,讓管線維護更好安排。

Corresponding parts:Flange Gaskets / Flat Gaskets
Food/Pharmaceutical | Custom Seals Tailored to Operating Conditions

Food/Pharmaceutical | Custom Seals Tailored to Operating Conditions

清洗、溫度變化與反覆拆裝,都會影響密封件使用壽命。把清洗條件、接觸介質、尺寸與材料文件需求一起確認,讓現場換件與內部品管驗收順利銜接。

Corresponding parts:Special/Custom Seals
Semiconductors/Vacuum | Stable Operation Under Demanding Conditions

Semiconductors/Vacuum | Stable Operation Under Demanding Conditions

真空與特殊氣體設備,需同時考慮密封、材料相容性與潔淨要求。依氣體、溫度、壓力及溝槽條件評估密封方案,協助降低洩漏與污染風險,維持製程穩定。

Corresponding parts:Spring-Assisted Seal、FFKM
INCOMING MATERIAL VERIFICATION

Verified materials, peace of mind with every delivery

依訂單確認材質比對、檢驗紀錄與材料文件需求,讓採購與品管有依據核對,驗收更順利。

FTIR Material ComparisonFTIR Material Comparison

We verified the feedstock material through spectral analysis, and it matched the specifications.

Test reports are traceableTest reports are traceable

The comparison results and inspection records are retained and can be provided upon request.

The documents are in order, and the specifications are ready for acceptance.The documents are in order, and the specifications are ready for acceptance.

Material certification and compliance documentation are provided based on manufacturer or third-party documents, including requirements such as REACH, RoHS, FDA, COA, PFAS, and PFOS.

密封件硬度檢測硬度需求一起確認

依密封件規格確認硬度檢測需求,讓品管有依據核對材料特性,減少驗收時的認知落差。

CUSTOMER SUCCESS

In the end, what we saw was that the equipment really did become more stable.

If the judgment is correct, the equipment will naturally run smoothly.

Seal Inspection of Hydraulic Equipment
Hydraulic Equipment

Hydraulic Equipment | Seal Restabilization

客戶需求:讓液壓設備恢復穩定密封,零件能配合實際運轉條件。

承炘處理:重新檢視密封零件的材料、尺寸與工況,再進行對應更換與調整,讓換件方向有依據。

使用成果:換上對應材料與尺寸後,設備回到穩定運轉。
Verification of Seals for Food Processing Equipment
Food Equipment

Food Equipment | Sealing and Documentation—All in One

客戶需求:密封件符合食品設備使用條件,同時備齊內部品質流程需要的材料文件。

承炘處理:依使用條件協助選擇密封零件,並搭配相應材料文件,讓現場使用與品管核對能一起銜接。

使用成果:密封方案附上材料文件,順利通過內部品質流程。
Inspection of High-Temperature, High-Pressure Seals
High-Temperature, High-Pressure Equipment

High Temperature and High Pressure | Stable Sealing, Easy-to-Control Shutdown

客戶需求:在高溫、高壓與長時間運轉下維持密封,讓維修停機時間好安排。

承炘處理:從材料相容性、尺寸與安裝條件重新確認,讓零件配合設備工況,將選材與現場配合一起考慮。

使用成果:密封表現穩定,停機時間好安排。
工程師與客戶討論零件圖面與加工需求
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把資料傳來,找到合用零件的下一步

舊件照片、圖面、尺寸、料號或使用條件都可以先傳來。承炘協助確認零件型式、材料與加工可行方向,再一起對齊數量與交期,讓你採購有依據、維修好安排。