Azbil HLS Series User Manual

4-2
(3) Check that the gasket-contacting surfaces of valve body, bonnet and guide ring are not
damaged. Do not re-use the removed gasket. Use fresh gasket when assem.bling the valve.
(4) Check that the plug guide section, the stem, and the internal guiding sections of guide
bushing are not damaged..
Assembly procedure
• Model HLS, HLC
(1) Securely fix the seat ring onto the valve body with threads, using the special tools
(optional). For the tightening torque, see Table 4-1
(2) Set the plug on the seat ring. (Apply lubricant ''Neverseize" to the threaded sec.tions,
except those of the oil-inhibited valves.)
(3) Put the bonnet on the valve body and check that the bonnet is correctly mated with the
indented section of the valve body: Tighten the nuts uniformly, paying atten.tion so that
they are not tightened unevenly (tighten- alternately the ones located at symmetrical
positions). For the tightening torque, see Table 4-3.
(4) Insert the gland packing as shown in Figure 2-1.
Note: When yarn packing sheets are used, overlap sheets in such manner that their cut
ends are positioned alternately.
(5) Place the packing follower and packing Range, and tighten the nuts. For the tight.ening
torques, see Table 2-2
• Models HTS, HSC, HPS and HAV
(1) Securely fix the seat ring onto the valve body with threads, using the special tools
(optional). For the tightening torque, see Table 4-1 or Table 4-2.
(2) Set the plug on the seat ring. (Refer to the Disassembly Procedures.)
(3) Put a sheet of gasket on the valve body side and place the guide ring in a manner of
covering the plug. (Apply lubricant "Neverseize" to the gaskets, except those of the oil-
inhibited valves.)
(4) Put the gasket on the guide ring. (Apply lubricant "Neverseize" to the gaskets, except those
of the oil-inhibited valves.)
(5) Put the bonnet on the valve body and check that the bonnet is correctly mated with the
indented section of the valve body. Tighten the nuts uniformly, paying atten.tion so that
they are not tightened unevenly (tighten alternately the ones located at symmetrically
positions). For the tightening torque, see Table 4-3.
(6) Insert the gland packing as shown in Figure 2-1.
Note: When yarn packing sheets are used, overlap sheets in such manner that their cut
ends are positioned alternately.
(7) Place the packing follower and packing flange, and tighten the nuts. For the tight.ening
torques, see Table 2-2.

Azbil HLS Series Specifications

General

Brand	Azbil
Model	HLS Series
Category	Control Unit
Language	English