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Running Men
4125 Market St #10
Ventura, CA 93003
(800) 235-3333
# R4000 Series Large Non-Mixing StopCocks

No mixing of gases during port switching

Photo shows mounting rod installed at lower left.

The 3-way "Y" shape stopcock has a 1-1/8" (27mm) ID flow path.
A smaller flow path is available in model R3900.
Plug rotation is a 120 degree angular turn with a positive stop.

We can fax or mail a data sheet.

Last Updated: 11 Jan 2013

Qty Product Catalog Number Price

Series Large StopCock 1-3/8" OD ports R4000A 637.00

Series Large StopCock 2.0" OD ports R4000B 637.00