Pressure rating – Flowserve SNA250 User Manual
Page 4
©
2005, Flowserve Corporation, Printed in USA
Automax Valve Automation Systems
Installation, Operation and Maintenance Instructions
Flowserve Corporation
1350 N. Mountain Springs Parkway
1978 Foreman Dr.
Flow Control Division
Springville, Utah 84663-3004
Cookeville, TN 38501
www.flowserve.com
Phone: 801 489 2233
Phone: 931 432 4021
Item
No.
1
Body
1
Extruded hard anodized aluminum
2
Endcap
2
Die Cast Aluminum.Electrostatic Poly
3
Pinion
1
Nickel Plated Steel
4
Upper pinion ‘O’-ring ➀
1
Nitrile rubber
5
Lower pinion ‘O’-ring ➀
1
Nitrile rubber
6
Pinion washer ➀
1
Nylon
7
Pinion snap ring ➀
1
Steel / plated
8
Stop bolt
2
Steel / plated
9
Stop bolt retaining nut
2
Steel / plated
10
Stop bolt ‘O’-ring ➀
2
Nitrile rubber
11
Endcap screw
8
Stainless steel
12
Endcap screw
8
Stainless steel
13
Piston and Endcap seal ➀
4
Nitrile rubber
14
Piston guide band
2
PTFE
15
Piston guide
2
PTFE
16
Piston
2
Extruded aluminum
17
Connection base
1
Extruded aluminum, anodized
18
Connection base seal ➀
2
Nitrile rubber
19
Connection base screw
4
Stainless steel
20
Spring ➁
12
Steel electrostatic resin coated
21
Spring ➁
12
Steel electrostatic resin coated
22
Spring Cartridge ➁
12
Steel / plated
23
Spring Cartridge ➁
12
Steel / plated
24
Spring Cartridge ➁
12
Steel / plated
25
NAMUR adaptor plate
1
Aluminum / Anodized
Part Description Qty. Materials
Note:
➀ Parts included in a Seal Kit
➁ See Torque Chart for available combinations
SNA250 / SNA300
Seal Kits
Buna Seal Kit Number NN - (Actuator Model No.) - SK B
Buna Seal Kit Number NN - (Actuator Model No.) - SK V
Seal kit consists of all sealing parts.
Pressure Rating
150 psig maximum
Temperature Ratings
Standard
1
Nitrile
-20° F to +175°F
High Temp
2
Viton
0°F to +300°F
Low Temp
2
Silicon-based -55°F to +175°F
Notes:
1
For standard applications, use multi-purpose polymer
fortified grease, such as Dubois Chemicals MPG-2.
2
For low temperature and high temperature applications,
use special formulated grease such as Dow Corning
®
55.
FCD AXAIM0005-00 (LMR0014-1) (AUTO-5) 03/05
Page 4 of 4