Samson EB 01b, Монтаж и эксплуатация

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15-1
EB 01b_EN
February 2022 edition
Subject to technical changes
Annex
15 Annex
15.1 Tightening torques, lubricant and tools
15.1.1 Tightening torques
15.1.1.1 Bonnet fl ange
For the connection of the bonnet fl ange (2) with the valve body,
the screw connections are tightened in a criss-cross pattern with
the tightening torques indicated below.
Table | 15-1: Tightening values for the bonnet fl ange screw
connections
DN NPS Screw Ø Tightening torque
15 ½ on request
25 1 M12
40 1½ M12 45 Nm
50 2 M12 45 Nm
80 3 M20 80 Nm
100 4 M24
150 6 on request
15.1.1.2 Seat
The PTFE seat (3) is screwed into the thread of the body (1) using
a suitable special tool with the following torques.
Table | 15-2: Tightening values of the PTFE seat
DN NPS Tightening torque
15 ½ on request
25 1 approx. 7 Nm
40 1½ approx. 10 Nm
50 2 approx. 10 Nm
80 3 approx. 30 Nm
100 4 approx. 50 Nm
150 6 on request
15.1.1.3 Flange connections
Table | 15-3: Tightening values for the DIN fl ange connections
DN [mm] 15 25 40 50 80 100 150
MA [Nm] 1) 25 50 60 65 75 1)
1)
On request
Table | 15-4: Tightening values for the ANSI fl ange connections
NPS [inch] ½ 1 1½ 2 3 4 6
MA [Nm] 1) 15 30 40 65 50 1)
1)
On request
15.1.2 Lubricant
Table | 15-5: Recommended lubricant
Use Temperature range Lubricant
Screws and nuts -10 ... +200°C Heavy-duty grease paste (e.g.
Gleitmo 805, manufacturer
Fuchs)
Not suitable for grease-free
valves or for use with oxygen!
Stem sealing
and parts in
contact with
media
-10 ... +200°C Water-free grease, e.g. halo-
carbon TM
15.1.3 Tools
Suitable tools are required to work on the valve. Unsuitable tools
can damage the valve.
15.2 Spare parts
PFEIFFER recommends spare part sets for “Commissioning” and
for “2-year operation”, see Chapter:
− “15.2.1 Spare parts for valves manufactured after 2006”
− “15.2.2 Spare parts for valves manufactured before 2006”.