Akron Brass 9015 Buku Petunjuk dan Daftar Suku Cadang - Halaman 2

Jelajahi secara online atau unduh pdf Buku Petunjuk dan Daftar Suku Cadang untuk Peralatan Uji Akron Brass 9015. Akron Brass 9015 8 halaman. Water flow test kit

Halaman Cetak
1.
Determine criteria for your testing from nfpa or iso publications, or other authority.
2. Connect Test Kit swivel inlet to hydrant or other fixed 2
by minimum 3 foot long straight, open 2
3. Loosen thumbscrews and rotate pitot blade out of stream position.
4. select from the Discharge Table, the preferred tip diameter for the expected flow. install the tip as follows:
a. Unscrew lock ring.
b. pull out gray tip. (Caution: do not use tools which may damage waterway).
c. insert proper size tip completely until retaining ring is snug against nozzle body.
d. screw on lock ring clockwise until tight.
5a. Hydrant: open hydrant and flush rocks, etc. Rotate blade back into center of stream and tighten thumbscrew. Record
pressure reading.
5b. pumper: after warm-up, bring pump up to desired speed and close throttling valve(s) to set discharge pressure at required rating.
Rotate pitot blade into stream center and tighten thumbscrew. Record pressure reading.
6. When hydrant or pumper must continue to operate (e.g. endurance test), rotate blade out of stream between readings to reduce
wear and avoid damage.
7. Read flow at intersection of tip size and pressure in Table. Do noT apply additional hydrant coefficients since the nozzle tip
replaces the hydrant outlet as the orifice.
8. after use, open bleeder valve and drain any water in the pitot air chamber. Draining is especially important in freezing weather.
1
/
" waterway.)
2
failure to replace lock ring may allow tip to
blow out, causing damage or injury.

oPeratIon

1
/
" discharge device. (for best results, the test kit should be preceded
2
caution:
2