Bonded Seal use in Sealing Parts of various industry

Bonded Seals represent a combination of metal washer and elastomer sealing lip vulcanised to the edge of the metal part to seal bolted connections and mounting el-ements in all industrial applications  e.g. pipe connections and couplings. 

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When the bolted connection is tightened, the sealing lip is pressed against the flat surfaces. The metal washer ensures that the components to be con-nected are reliably and securely held. The thickness of the washer limits the compression of the elastomer seal, eliminates any over torque of the joint, thereby ensuring a reliable sealing system. The internal pressure increases the sealing force by energising the sealing lip.

Product Advantages :

- Cost effective solution for bolt/thread sealing
- Versatile, applicable to all threaded bolts, studs and clearance holes
- Sealing washers are available for metric, Whitworth and BSP threads
- Large range of elastomers and metals available
- Wide temperature range
- Reliable high and low pressure sealing
- Metall washer prevents over -compression and extrusion - Usable for overhead installation
- Can be automatically installed
- Seals to plane surfaces with no housing for the sealing lip
- Visible from the outside
- No sweating
- Metal washer with vulcanised sealing body of rubber for sealing of bolt heads and flanges 
- All European thread sizes available

BS / GM500 / U-Seal 
- Can be used to seal clearance or tapped holes in gen-eral engineering using a wide range of different bolts
- Can be used on flat flanges or with recessed bolt holes

SCR / GM500 self-centering
- Concentrically located
- Positively retained
- Ability to pre-assemble
- Ease of assembly
- All European thread sizes available

GM1000 Sealing Ring
- Good sealing function with a low tightening moment - No need of a countersink to center 
the seal, this is achieved thanks to the design of the sealing lip
- Mostly used together with metric bolts with hexagonal  headsasper DIN specification
- On request GM 1000 can also be made for inch  threadsaswellasfor specialbolt



GM2000 Sealing Ring
- Rubber to metal bonded seal with specially designed sealing lip for threads and nuts
- No need of a countersink to center the seal, this is achieved thanks to the design of the sealing lip
- The seal prevents leakage by sealing in the thread 
- The three contact lips of the rubber body seal the thread to nut and machine component
- Positively retained
- Mostly used together with hexagonal nuts as per DIN specification as well as for threaded connectors and adjusting screws

KDS Sealing Ring
- Rubber and metal bondeding, EO-3 soft sealing ring for Banjo Fitting.
- EO-3 is an innovative Parker flareless fitting for metric tubing similar to the EO and EO-2 series.
The EO3 flareless fitting system utilizes a visual indicator to prevent leakage due to inadequate 
or over-tightening, allowing the user more control to make high-quality, fast connections.

The style of the BONDED SEAL is as follows:

Bonded seals are available in a choice of materials including :

Rubber Material

Metal Material

Surface Treatment

NBR

Carbon Steel  / 270N/mm2

CR3

VITON (FKM)

Stainless Steel 304

ZnNi

EPDM

Stainless Steel 316

If you are looking for more details, kindly visit Symptoms of Bad Valve Guides.

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Case Seal

Phosphate

HNBR

Aluminum #5052

Anodizing

SILICONE

Copper

Cobalt plating

NEOP

AISI#1050

Tinne Plating

ACM

Carbon Steel  / 540N/mm2

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