Wear-Resistant Metal Annular Hydraulic Pump Sealing Combined Gasket
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Product Highlights
- Customizable Outer Ring Materials: Available in 304(L), 306(L), Stainless Steel, Carbon Steel, and other alloys.
- OEM and ODM Services: Factory accepts OEM service and offers ODM customization options.
- High Pressure Capability: Suitable for Class 900 and above, high pressure and temperature service.
- Versatile Flange Compatibility: Fits tongue and groove, male and female, flat face, and raised face flanges.
- Corrosion and Erosion Resistance: Solid inner/outer rings prevent corrosion and minimize erosion damages.
- Free Sample Availability: Free samples available; buyer bears delivery cost.
- Professional Technical Support: Expert advice provided based on budget and target market requirements.
Product Attributes
- Customization
- Available
- Type
- Flat Gasket
- Material
- Carbon Steel
- Combination Washer Structure
- A Type
- Combination Washer Packaging
- All Inclusive
- Spring Washer Type
- Standard
- Outer Ring Materials
- 304(L)/306(L)
- Style
- Sealing Strip
- Applications
- Air Compressor /Sealing Material
- Transport Package
- Carton and Wooden Box
- Specification
- 1/4" to 120"
- Trademark
- Fangdun
- Origin
- China
- HS Code
- 5911900090
- Production Capacity
- 195000kgs/Year
Product Images of Wear-Resistant Metal Annular Hydraulic Pump Sealing Combined Gasket
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Product Description

Spiral Wound Gaskets are winding by "V" shaped metallic strip and soft non-metallic filler.
According to the requestment, the gaskets can be within inner and outer rings for improving the gaskets handling, fitting and versatility.
Depend on its excellent compresion resilience, it's suitable for sealing spots where the alteration of temperature and pressure are frequenty.
Basic Type:
Basic type gasket: inner and outer diameters are reinforced with several piles of metal without filler to give greater stability and better compression characteristics.
Suitable for tongue and groove, male and famale or grooved to flat face flange essemblies.
Inner Ring Type:
Solid inner metal ring acts as a compression stopper. To prevent accumulation of solids, reduce trubulent flow of process fluids and minimize erosion, damages of gasket between flange bore and the inside diameter, the annular space is filled up by solid inner metal ring;
Suitable for male and female pipe flanges.
Outer Ring Type:
Solid outer accurately locates the gasket on the flange face to give the additional radial strength to prevent gasket blowout and acts as a compression limiter. In case of installing the outer ring, it is very easy to install the gasket to flange face because the end of outer ring will touch at bolts;
Suitable for use with flat face and raised face flanges. For class 900 and above an internal ring is recommended.
Inner & Outer Ring Type:
An inner ring and outer ring type gasket will give an additional compression limiting stopper for gasket inner and outer side. It will prevent the corrosions on flange face at annular space;
Suitable for use with flat face and raised face flanges and specified for high pressure and temperature service, Class 900 and above or where corrosive or toxic media are present.
Spiral Wound Gaskets Materials:
| Metal Winding & Inner Ring | Filler Materials | Outer Ring Materials |
| As Standard | Flexible graphite | As Standard |
| SS304(L) | PTFE | Carbon Steel |
| Mica | others | |
| Others | Ceramic | 304(L) |
| Stainless Steel | Non-asbestos | 316(L) |
| 309 | 317 | |
| 310 | 310 | |
| 317L | 321 | |
| 321 | 347 | |
| 347 | 410 | |
| Alloy 20 | Alloy 20 | |
| Monel 400 | Monel 400 | |
| Titanium 1,2,7 | Titanium 1,2,7 | |
| Nickel 200 | Nickel 200 | |
| Inconel 600,635 | Inconel 600,635 | |
| Incoloy 800,825 | Incoloy 800,825 | |
| Hastelloy B2 | Hastelloy B2 | |
| C276 | C276 | |
| Duplex 31803 | Duplex 31803 | |
| Copper | ||
| Inner ring: Carbon steel also abailable |
Marking and Stamping:
| Spiral Wound Specifications Temperature Limit And Color Coding | ||||
| terial | Min Temp ºC | Max Temp ºC | Abreviation | Color Coding |
| 304L Stainless Steel | -195 | 650 | 304 | Yellow |
| 316L Stainless Steel | -100 | 800 | 316L | Green |
| 321L Stainless Steel | -195 | 870 | 321 | Turquoise |
| 347L Stainless Steel | -195 | 870 | 347 | Blue |
| Carbon Steel | -40 | 500 | CS | Silver |
| Alloy 20 | 185 | 600 | A-20 | Black |
| Hastelloy B2/B3 | -185 | 700 | Hast B | Brown |
| Hastelloy C276 | -185 | 700 | Hast C | Beige |
| Incoloy 800 | -100 | 850 | InCo800 | N/A |
| Incoloy 825 | -100 | 850 | InCo825 | N/A |
| Inconel 600 | -100 | 1000 | InCo600 | Gold |
| Inconel 625 | -100 | 1000 | InCo625 | Gold |
| Inconel X750 | -100 | 1000 | InCo750 | N/A |
| Monel 400 | -200 | 800 | Mon400 | Orange |
| Nickel 200 | -320 | 600 | NI200 | Red |
| Titanium | -320 | 1090 | TI | Purple |
| *Color Coding following ASME B16-20 | ||||
| Material | Min Temp ºC | Max Temp ºC | Abreviation | Color Coding |
| Graphite | -212 | 550 | Graph | Grey Stripe |
| PTFE | -240 | 260 | PTFE | White Sripe |
| Mica | -212 | 1000 | MICA | Light Green |
| *Stripe Coding following ASME B16-20 | ||||







Q1:Are you a Manufacture Factory?
A1:Yes,we are factory,we have our own production lines.
Q2:Does your company accept customization?
A2:We accept OEM service.
Q3: Do you provide free samples?
A3 : Yes, free samples are available, generlly speaking, the buyer shall bear all the delivery cost.
Q4: I am interested in the products but I don't have experience?
A4: Tell us your budget and target market and we will give you professional advice of exact kinds and quantity.
Q5:I have other questions.
A5:Okay, you can contact us directly online or offline, and we will be patient to answer for you.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI226557". Items marked "" are certified.
Company Profile
Langfang Fangdun fireproof sealing material Co., Ltd.
Langfang Fangdun Fireproof Sealing Material Co., Ltd., founded in 2012, Strong strength, with domestic advanced technology and equipment, enterprise scale, product quality in the domestic first-class. Our company mainly produces a variety of thermal insulation materials, sealing materials:
-PU coated glass fiber cloth,
-Silica gel fiberglass cloth,
-Gland packing, spiral wound gaskets,
-Graphite plate, graphite paper, graphite roll,
-Non-asbestos gaskets,
-Ceramic fiber cloth,
-Ceramic fiber tape,
-Ceramic fiber rope,
-Fire blanket,
-Nylon products,
-Polytetrafluoroethylene products, etc.
Our business has a situation here - most of our customers are brand. They are famous and well accepted by local customer. They commit to their consumer value. They are loved by people and never fail their expectation. Although they could be all different, they have one thing in common - they work with us.
Over 10 years of experience working with brand, we know exactly what is important to you and consumer in the sealing and fireproof industry. We want to see you success. We want to work for hero. For the last sealing and fireproof years, this is always the value we sealing and fireproof believed in.
High quality products and preferential prices have won high praise from customers. We have good reputation.
Address: Liucaijian, Dacheng County, Langfang City, Hebei. China.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Liu Caijian Village, Langfang, Hebei, China
-
Plant Area
- 3000 square meters
-
Number of Employees
- 48
-
Registered Capital
- 3,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Tianjin Port, Shanghai Port
Our Production Capability & Technical Expertise
-
Main Products
- Gland Packing, Gasket, Graphtie Product, Rubber Product
-
Production Machines
- Confidential
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2012-09-11
- Export Year
- 2012-09-11
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- Are you a manufacturing factory?
- Yes, we are factory, we have our own production lines.
- Does your company accept customization?
- We accept OEM service.
- Do you provide free samples?
- Yes, free samples are available, generlly speaking, the buyer shall bear all the delivery cost.
- I am interested in the products but I don't have experience?
- Tell us your budget and target market and we will give you professional advice of exact kinds and quantity.
- I have other questions.
- Okay, you can contact us directly online or offline, and we will be patient to answer for you.
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