CYSF-8 Self-Closing Valve

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The CYSF-8 is a self-closing cylinder valve for liquefied petroleum gas (LPG) service.

The self-closing valve and separately specified cylinder and outlet interfaces identify this LPG configuration. Check the connection and material specifications against your installation requirements.

Key advantages

LPG service — A cylinder-valve configuration for liquefied petroleum gas (LPG) service.
Self-closing construction — A self-closing valve configuration for the stated cylinder service.
Separate connection references — Defined inlet and outlet references support checking both sides of the installation.

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Specifications

Parameter	Value
Applicable medium	Liquefied petroleum gas (LPG)
Working pressure	2.1 MPa
Gas-tightness test pressure	2.1 MPa
Proof test pressure	10.5 MPa
Safety device	2.8 MPa Reseating: 2.6 MPa
Cylinder / inlet connection	PZ27.8
Outlet connection	φ28
Valve structure	Self-closing
Body material	HPb59-1
Seal material	NBR
Stem material	HPb59-1
Handwheel material	No handwheel
Temperature range	-40 °C to 55 °C
Manufacturing standard / reference	Reference: UL 1769
Overall height	≈85 mm
Width / diameter	φ41 mm
Net weight	380 g

Technical Illustration

For reference. Not to scale.

Product Configurator

Model	Gas	Working pressure	Operation / structure	Inlet	Outlet
CYSF-8	Liquefied petroleum gas (LPG)	2.1 MPa	Self-closing	PZ27.8	φ28
Your request	Gas request	Working pressure request	Operation / structure request	Inlet request	Outlet request

Special requirements are subject to technical confirmation. Your requests do not change the standard product specifications.

Company catalogue

No approved company catalogue is currently available. You can request specific product documents through Technical Matching.

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