STI SC Series User Manual

STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com
Manual 5020, rev.03 07/2021 - SC/VHS 25
10.1 Cylinder version with spring package
10.1.1 Piston rod extended in case of loss of power (single spring pack configuration)
Item
Description
Material
1
Piston Seal
PTFE/NBR(*)
2
Piston Seal
PTFE/NBR(*)
3
Rod Seal
PTFE/NBR(*)
4
Spring support plate
Carbon Steel
5
Back-up Ring
NBR (or PTFE)
6
Bushing
Steel/Bronze/PTFE
7
Cylinder Tube
Carbon Steel
8
Spring Cartridge
Carbon Steel
9
Nut
Carbon Steel
10
Standard Spring
Alloy Steel
10a
Optional Spring (when requested by thrusts configuration)
Alloy Steel
11
Drain plug
Carbon Steel
12
O-ring
NBR(*)
13
O-ring
NBR(*)
14
Sliding Ring for Piston
PTFE + Graphite
15
Adaptor
Stainless Steel
16
Support Washer
Alloy Steel
17
Piston rod
Alloy Steel
18
Plug
Stainless Steel
19
Head Flange
Carbon Steel
20
Drain Valve
Stainless Steel
21
Screw
Carbon Steel
22
End stopper kit (optional)
Stainless Steel
(*) NBR standard material for temperature range from -20°C up to +100°C
Fluorosilicon rubber or equivalent material for temperature range from -60°C up to +100°C.
Figure 8

STI SC Series Specifications

General

Brand	STI
Model	SC Series
Category	Controller
Language	English