CGA/DISS | CYLINDER OUTLET SEAL CAPS (Nut, Cap, Gasket and Chain)

Ultra-High Integrity Services Connections, DISS, are used for connecting items of gas handling equipment (such as pressure regulators or pigtails) directly to the cylinder valve outlet of a semiconductor/high-purity gas cylinder. The set corresponds to the cylinder outlet seal caps including nut, cap, gasket and chain.

Key advantages

100% visual inspection of critical surfaces
Electropolished internally
Ultimate decontamination and packaged in certified clean room
Permanently marked
Manufactured according to CGA V-1 standards
Fits all local norms and standards
Non-rotating design provides leak tight makeup

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Gas cylinder connectors conforming to Compressed Gas Association Standards (CGA) ;

“Drawing No. 710” correspond to CGA DISS connection “NOs. 712 through 728”.
“Drawing No. 630” corresponds to CGA DISS connection “NOs. 632 through 642”.

CGA/DISS Number		End Connection		HEX	Hex Nut Material		Gasket Material
					SS 316L		PCTFE
632...634...	630	Outlet cap	OC	1 - 1/4”	★	S	★	PC
					★		★
					★		★
712...714...	710	Outlet cap	OC	1 - 3/8”	★	S	★	PC
					★		★
					★		★

*Nickel gasket on request

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UHP Cylinder connectors

Last update: Jun 19, 2023
Available in: en/cn