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DIN50 safety caps fit all bottles or canisters that have DIN50 thread. They have built-in stopcocks rated up to 72 psi gas at 25°C. Safety caps have 2, 3, and 4 ports available. Unused ports can be closed with the stopcock, and all ports can handle 1/8" or 1/16" OD tubing.
DIN50 safety caps seal to the bottle/canister with an O-ring behind a PTFE lip, meaning the O-ring is not a wetted part. A bottom-sealing barbed adapter to connect 1/8" (3.2 mm) ID tubing can be ordered separately.
Each safety cap purchase includes:
- 1 cap, DIN50 threads, with stopcocks
- 1 O-ring
- 1 set: 1/16" nut/ferrule/color-sleeve adapter
- 1, 2, or 3 sets: 1/8" nut/ferrule/color-sleeve adapter
- Additional nuts and ferrules for the bottom side connections
Note: One port must be reserved for the exhaust filter or the air inlet valve
More information about the Chemical resistance properties of these materials.