Bonded Seal Manufacturing and Quality Control
Our production capabilities cover metal and rubber sealing product manufacturing, including injection molding and compression molding processes.
For Bonded Seal production, documented inspection activities include:
- 100% visual inspection on the specified NBR Carbon Steel configuration.
- Rubber hardness inspection.
- High-pressure resistance testing.
- Batch dimensional and appearance inspection on specified product lines.
These inspection items are applied according to the relevant product and production requirements.
-
![Self-Centering Bonded Seals 70-90 Shore For Hydraulics]()
Self-Centering Bonded Seals 70-90 Shore For HydraulicsBrand: Jinwo. Series Name: Dowty Bonded Seal Series . Color: Black & Silver/Zinc . Core Function: High pressure fluid sealing and vibration resistance . Application: Hydraulic systems pipe fittings -
![Dowty Bonded Washers For Hydraulic Sealing]()
Dowty Bonded Washers For Hydraulic SealingBrand: Jinwo. Series Name: Dowty Bonded Seal Series . Color: Black & Silver/Zinc . Core Function: High pressure fluid sealing and vibration resistance . Application: Hydraulic systems pipe fittings -
![Self-Centering Bonded Washer Seals M10 To M20]()
Self-Centering Bonded Washer Seals M10 To M20Brand: Jinwo. Series Name: Self-Centering . Color: Black & Silver/Zinc . Core Function: High-Pressure Hydraulic Thread Sealing . Application: Industrial & Automotive Pipe Fittings. Service: OEM/ODM -
![NBR Carbon Steel Bonded Seal]()
NBR Carbon Steel Bonded SealBrand: Jinwo. Series Name: NBR High-Temp Series. Color: Black / Metallic Silver. Core Function: High-Pressure Hydraulic Thread Sealing . Application: Industrial & Automotive Pipe Fittings. Service: -
![FKM Stainless Steel Bonded Seal]()
FKM Stainless Steel Bonded SealBrand: Jinwo. Series Name: FKM High-Temp Series. Color: Brown / Metallic Silver. Core Function: High-Pressure Hydraulic Thread Sealing . Application: G 1/2 Threaded Connections. Service: OEM/ODM -
![Self-Centering Type Bonded Seal]()
Self-Centering Type Bonded SealBrand: Jinwo. Series Name: Universal Standard Series. Color: Black / Metallic Silver. Core Function: High-Pressure Hydraulic Thread Sealing . Application: BSP 3/8 Threaded Connections. Service:
Bonded Seal Types and Specifications
Our Bonded Seals combine a metal washer with an integrated rubber sealing element for static sealing at threaded connections and hydraulic fittings. As a China bonded seal manufacturer, we offer conventional bonded sealing washers and self-centering bonded seals, with NBR and FKM sealing materials and carbon steel or stainless steel metal options. Available product specifications include M10–M20 metric sizes, BSP 3/8, and G 1/2 configurations.
We supply conventional bonded washers and self-centering bonded seals for different connection requirements.
The self-centering design has an inward-projecting rubber lip that helps position the seal around the threaded connection during installation.
| Product Configuration | Size | Material | Rubber Hardness | Working Temperature | Working Pressure |
|---|---|---|---|---|---|
| Self-Centering Bonded Seal | M10, M12, M14, M16, M18, M20; thickness 1.5 mm | Refer to individual material configuration | 70–90 Shore A, depending on specification | -30°C to +100°C | ≤35 MPa for the listed M10–M20 product |
| BSP 3/8 Bonded Seal | ID 17.28 × OD 23.80 × W 2.03 mm | NBR / metal washer | 70±5 Shore A | -30°C to +100°C | ≤40 MPa |
| G 1/2 Bonded Seal | ID 21.5 × OD 28.6 × W 2 mm | FKM / stainless steel | 75±5 Shore A | -20°C to +200°C | ≤40 MPa |
| NBR Carbon Steel Bonded Seal | Refer to product specification | NBR / Carbon Steel | 70±5 Shore A on the listed configuration | -30°C to +100°C | ≤40 MPa on the listed configuration |
The pressure and temperature values apply to their respective listed configurations. They are not universal ratings for every bonded seal size or material combination.
Bonded Seal Material Options
Our bonded sealing washer range includes the following metal and elastomer options:
| Component | Available Options |
|---|---|
| Metal washer | Carbon Steel, SS304, SS316 |
| Rubber sealing element | NBR, FKM |
| NBR hardness | 70±5 Shore A on specified configurations |
| FKM hardness | 75±5 Shore A on the listed G 1/2 configuration |
NBR and FKM configurations have different specified operating temperature ranges. The material selection should correspond to the actual fluid and operating conditions of the connection.
Custom Bonded Seals and OEM Supply
We accept customized Bonded Seal orders and support OEM/ODM development.
Available development inputs include:
- Technical drawings with dimensional requirements.
- Physical samples for reverse engineering.
- Existing dimensions and product specifications.
Customization can be discussed for dimensions, metal materials, rubber materials and hardness configurations, subject to product and manufacturing feasibility.
Prototype samples are available as part of our development support.
Bonded Seal Manufacturing and Quality Control
Our production capabilities cover metal and rubber sealing product manufacturing, including injection molding and compression molding processes.
For Bonded Seal production, documented inspection activities include:
- 100% visual inspection on the specified NBR Carbon Steel configuration.
- Rubber hardness inspection.
- High-pressure resistance testing.
- Batch dimensional and appearance inspection on specified product lines.
These inspection items are applied according to the relevant product and production requirements.
Request a Bonded Seal Quotation
Send us your required Bonded Seal size, material specification, technical drawing or sample photograph, together with the estimated order quantity.
For replacement requirements, an existing seal sample or dimensional drawing can help us identify the corresponding configuration and evaluate a suitable supply option.
Our team can review your specifications and provide a quotation based on the required product configuration and order quantity.
Hebei Jinwo Machinery Technology Co., Ltd. is one of the most professional bonded seal manufacturers and suppliers in China, featured by quality products and good price. Welcome to buy bulk advanced bonded seal in stock here and get pricelist from our factory. We also accept customized orders.
