Wash. Admin. Code § 296-79-29001 - Digester valves and piping
(1)
The blow valve of a digester must be arranged so as to be operated from another
room, remote from safety valves.
(2) Heavy duty pipe, valves, and fittings
must be used between the digester and blow pit, blowtanks and dumptanks. These
valves, fittings, and pipes must be inspected at least semiannually to
determine the degree of deterioration and should be replaced when
necessary.
(3) Digester blow valves
or controls must be pinned or locked in closed position throughout the entire
cooking period.
(4) Test holes in
blow lines of piping systems must not be covered with insulation or other
materials.
Notes
Statutory Authority: RCW 49.17.010, 49.17.040 and 49.17.050. 99-16-083, § 296-79-29001, filed 8/3/99, effective 11/3/99; Order 74-24, § 296-79-29001, filed 5/6/74.
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