Screw seal, self-centring

Article No. 04690020

Galvanised steel, self-centring WSH-SCRSEAL-SELFCENT-(A2K)-D20

€87.32 inc. VAT price per 100 PCS

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Self-centring

Galvanised steel, blue passivated (A2K)
Steel washer with moulded-on rubber sealing lip; for sealing bolt heads (primarily used with metric hexagon bolts in accordance with German DIN standard) and flange connections.
For high pressure, vacuum and broad temperature ranges.
Optimum sealing effect due to precisely defined lip formation.
No pressing out, even under extreme pressure conditions thanks to metal-metal contact.
Minimal tightening torque
No retightening of installed seal
Replaces other previously used seals
Can be used several times
Quick, easy and reliable installation.
Overhead installation possible
No special machining of metal surface required.
Temperature resistant from –35°C to +120°C
Hardness of rubber seal: 65–75 Shore

Self-centring

Galvanised steel, blue passivated (A2K)
Steel washer with moulded-on rubber sealing lip; for sealing bolt heads (primarily used with metric hexagon bolts in accordance with German DIN standard) and flange connections.
For high pressure, vacuum and broad temperature ranges.
Optimum sealing effect due to precisely defined lip formation.
No pressing out, even under extreme pressure conditions thanks to metal-metal contact.
Minimal tightening torque
No retightening of installed seal
Replaces other previously used seals
Can be used several times
Quick, easy and reliable installation.
Overhead installation possible
No special machining of metal surface required.
Temperature resistant from –35°C to +120°C
Hardness of rubber seal: 65–75 Shore

Instructions

Professional installation:

It is recommended that a centring recess is provided for the sealing washer to prevent the seal being placed in an eccentric position.

Products specifications

Suitable for screw	M20
Internal diameter (d₁)	20 mm
Outer diameter (d₂)	30 mm
Thickness (h₁)	2 mm
Material	Steel
Shore A hardness	70 +/- 5
Surface	Galvanised
Min./max. temperature resistance	-35 to 120 °C
Through-hole according to DIN 69 f	21 mm
Through-hole according to DIN 69 m	22 mm

Products specifications

Suitable for screw	M20
Internal diameter (d₁)	20 mm
Outer diameter (d₂)	30 mm
Thickness (h₁)	2 mm
Material	Steel
Shore A hardness	70 +/- 5
Surface	Galvanised
Min./max. temperature resistance	-35 to 120 °C
Through-hole according to DIN 69 f	21 mm
Through-hole according to DIN 69 m	22 mm