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Caps with rubber o-ring for access valves (CAP)

Hand caps with rubber gasket

Brass cap with internal rubber seal. Hand-screw type

Primary material: Drawn brass EN 12164 for the cap, Hydrogenated Nitrile Butadiene HNBR, Chloroprene CR (Neoprene&copy) or PTFE (Teflon©) for the gasket

Standard and regulation reference: PED 97/23/CE, RoHS 2002/95/CE, REACH Reg. 1907/2006, EN378-2:2008, SAE-FIT, SAE 45° J513-92,

Application: Suitable for air-conditioners and refrigerating systems that work with refrigerant proper to the group II Article 9, 2.2 of the PED Directive 97/23/CE, referring to the Directive 67/548/CEE. ( tested with the following: R12, R22, R134a, R404A, R407C, R410A, R502, R507, CO2 R744, R32 ). Not suitable for Ammonia R717

Recommended fitting condition:
Remove the cap before brazing to avoid over-heating

Risk category according to Pressure Equipment Directive PED 97/23/CE: Article 3 Paragraph 3

CAP hand cap with hydrogenated nitrile butadiene rubber gasket
Hand-screw cap can be supplied assembled on valves and access fittings (Tee, Cross, Straight) upon request.

Drawing Part number Flare (SAE) L
Tightening torque
CAP-02 CAP-02 1/4″ 20 35 Hand tight
CAP-03 CAP-03 1/4″ 13 35 Hand tight


For a better sealing against leakage we recommend a metal sealing obtained with a forged cap-nut with a copper gasket.