Zone Valve Box
General Speciications
■ Zone valve box shall be Silbermann series
■ Each recessed/exposed zone valve shall consist of
a steel valve box constructed of 1.5 mm steel sheet,
complete with a backed enamel inish RAL 9016, which
can house single or multiple shut-off ball valves with the
tube extensions
■ Valves shall be a 3-piece forged brass and a 4 bolt design,
bronze or brass body, stem, ball bolts and nuts shall be
made of stainless steel , double seal, full port union balltype,
with Telon (RPTFE) seats and Viton seals, with a pressure rating
of 4080 kPa (600 psi) or 40.8 bars
■ Valves shall be operated by a lever-type handle requiring anly a
quarter turn from a fully opened to a fully closed position.
All valves shall be equipped with type “K” washed and degreased
copper pipe stub extensions of suficient length to protrude
beyond the sides of the box
■ All pipe stub extensions shall be supplied with suitable plugs or
caps to prevent contamination of the assembly prior to installation
■ Each valve shall be supplied with a medical gas identiication label
■ Valves shall be available with or without line pressure gauges,
as required. Gauges, shall be 50 mm diameter
■ Pressure gauges shall read 0-1100 kPa (0-11 bar) for all gauges
except Nitrogen, which shall read 0-2500 kPa (0-25 bar), and
Vacuum, which shall read 0-100 kPa (0-760 mmHg)
■ There are two front options: an aluminum door or a
pull-out removable window.