Audited Supplier
Bonded Seals Overview
The Bonded Seal was originally designed to replace copper type washers in high-pressure systems. Often used as bolt seals in hydraulic equipment, today bonded seals (commonly known as Dowty Seals) are finding usage in many and varied applications throughout various industries.
The Bonded Seal comprises a metal washer and an elastomeric ring bonded inside the diameter. The metal washer prevents over-compression and limits deformation of the elastomeric ring.
All size ranges and material combinations are available. This same basic concept can be used to produce customized shapes for specific applications in any of the combinations of rubber to metal or plastic bonding.
Bonded Seals are available with or without the self-centralizing lip.
Bonded Seal Size:
| Self centering series,Metric | Dimensions | ||||
| Metric Thread Size | Size Reference | HAGA Part no | d1+-0.10 | D+-0.13 | S+-0.10 |
| M5 | 203+0.35 | HGBS203 | 5.70 | 9.00 | 1.00 |
| M6 | 207+0.35 | HGBS207 | 6.70 | 11.00 | 1.00 |
| M8 | 212+0.35 | HGBS212 | 8.70 | 13.00 | 1.00 |
| M10 | 217+0.35 | HGBS217 | 10.70 | 16.00 | 1.50 |
| M12 | 222+0.35 | HGBS222 | 12.70 | 18.00 | 1.50 |
| M14 | 227+0.35 | HGBS227 | 14.70 | 22.00 | 1.50 |
| M16 | 229+0.35 | HGBS229 | 16.70 | 24.00 | 1.50 |
| M18 | 232+0.35 | HGBS232 | 18.70 | 26.00 | 1.50 |
| M20 | 233+035 | HGBS233 | 20.70 | 28.00 | 1.50 |
| M22 | 236+0.35 | HGBS236 | 22.70 | 30.00 | 2.00 |
| M24 | 238+0.35 | HGBS238 | 24.70 | 32.00 | 2.00 |
| M26 | 239+0.35 | HGBS 239 | 26.70 | 35.00 | 2.00 |
| M27 | 240+0.35 | HGBS240 | 27.20 | 36.00 | 2.00 |
| M30 | 242+0.35 | HGBS242 | 31.00 | 39.00 | 2.00 |
| M33 | 243+0.35 | HGBS243 | 33.70 | 42.00 | 2.00 |
| M36 | 245+0.35 | HGBS245 | 36.70 | 46.00 | 2.00 |
| M42 | 247+0.35 | HGBS247 | 42.70 | 53.00 | 2.00 |
| 1/8''BSP | 820 | HGBS8202 | 10.37 | 15.88 | 2.00 |
| 1/4'' BSP | 821 | HGBS8212 | 13.74 | 20.57 | 2.00 |
| 3/8''BSP | 823 | HGBS8232 | 17.28 | 23.80 | 2.00 |
| 1/2''BSP | 825 | HGBS8252 | 21.54 | 28.58 | 2.50 |
| 5/8''BSP | 827 | HGBS8261 | 23.49 | 31.75 | 2.50 |
| 3/4''BSP | 829 | HGBS8271 | 27.05 | 34.93 | 2.50 |
| 7/8''BSP | 830 | HGBS8291 | 30.81 | 38.10 | 2.50 |
| 1''BSP | 830 | HGBS8301 | 33.89 | 42.80 | 2.50 |
| 1''BSP | 830 | HGBS8302 | 33.89 | 42.80 | 3.40 |
| 1-1/4BSP | 832 | HGBS8321 | 42.93 | 52.38 | 2.50 |
| 1-1/4BSP | 832 | HGBS8322 | 42.93 | 52.38 | 3.40 |
| 1-1/2''BSP | 833 | HGBS8331 | 48.44 | 58.60 | 2.50 |
| 1-1/2''BSP | 833 | HGBS8332 | 48.44 | 58.60 | 3.40 |
| 2''BSP | 836 | HGBS8361 | 60.58 | 73.03 | 2.50 |
| 2''BSP | 836 | HGBS8362 | 60.58 | 73.03 | 3.40 |
Bonded Seal Advantages:
- Reliable low and high pressure sealing
- High and low temperature capabilities
- Bolt torque is reduced with no loss of tightening load
Bonded Seal Materials:
Elastomer component is available in:
- NBR 70 (Standard)
- NBR 90
- FKM 75
- EPDM 70
Washer component is carbon steel, zinc/yellow zinc plated or stainless steel (on request).
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes or transparent bags & brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance.
Q3. What is your terms of delivery?
A: ExW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 7 to 15 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.