Table of Contents
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Type N550
Parts List
Key
Description
Packing Assembly Kit
Includes packing stack (key 30), gasket (key 26)
and two washers (key 29).
1
Body, Ductile iron
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPS 3 FNPT)
2
Flange, Ductile iron
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPS 3 FNPT)
3
Cap Screw
Type N550-10 (NPS 1-1/4 FNPT) (4 Required)
Type N550-16 (NPS 2 FNPT) (4 Required)
Type N550-24 (NPS 3 FNPT) (8 Required)
4*
Seat Ring, Stainless steel
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPS 3 FNPT)
5*
Sealing Ring, Nitrile (NBR)
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPS 3 FNPT)
6*
O-ring, Nitrile (NBR)
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPS 3 FNPT)
7*
Gasket, Graphite
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPS 3 FNPT)
8
Poppet Sub-Assembly
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPS 3 FNPT)
9
Pipe Plug
15
Shaft, Stainless steel
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPS 3 FNPT)
*Recommended spare part.
1. Applicable for Type N550-10 (NPS 1-1/4 FNPT) Only.
Webadmin.Regulators@emerson.com
Fisher.com
Emerson Automation Solutions
Americas
McKinney, Texas 75070 USA
T +1 800 558 5853
+1 972 548 3574
Europe
Bologna 40013, Italy
T +39 051 419 0611
Part Number
T13090T0012
T40333X0012
T40245T0012
T80171T0012
T20681T0012
T12783T0012
T20699T0012
T12864T0012
1E760432992
1E760432992
T12857T0012
T12548T0012
T12887T0012
T12858T0012
T12547T0012
T12891T0012
10A3800X032
1H8762X0022
T12759T0012
T12863T0012
T12839T0012
T12890T0012
T12964T0012
T12965T0012
T12966T0012
T13718T0012
T20680T0012
T20675T0012
T20698T0012
Facebook.com/EmersonAutomationSolutions
LinkedIn.com/company/emerson-automation-solutions
Twitter.com/emr_automation
Asia Pacific
Singapore 128461, Singapore
T +65 6777 8211
Middle East and Africa
Dubai, United Arab Emirates
T +971 4 811 8100
Key
Description
16
Sleeve, Nylon (PA)
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPS 3 FNPT)
17
Nameplate
18
Handle, Aluminum
19
Shoulder bolt, Alloy steel-plate
20
Nut, Carbon steel
21
Roller, Nylon (PA)
22
Fuse link, Brass
23
Bolt, Zinc-plated steel
24
Retainer, Zinc-plated steel
25
Spring, 302 Stainless steel
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPT 3 FNPT)
26*
Gasket, Composition
27
Gland, 303/416 Stainless steel
Type N550-10 (NPS 1-1/4 FNPT)
Type N550-16 (NPS 2 FNPT)
Type N550-24 (NPS 3 FNPT)
28
Spring, 302 Stainless steel
29
Washer, Carbon steel (2 Required)
30
Packing Stack
31
Follower, 174 Stainless steel
32
Retainer, Steel
33
Bolt, Stainless steel (2 Required)
34
Bushing
35
Washer, Nylon (PA)
36
Latch Block, Aluminum
37
Spring, 302 Stainless steel
38
Plunger, Polyester
39
Cable
40
Screw, Carbon steel
41
Bolt
42
Drive Screw, 18-8 Stainless steel (2 Required)
43
Adaptor Plate, Zinc-plated steel
(1)
45
Cap Screw
(1)
46
Nut (Not Shown)
(1)
47
Handgrip
61
Spring, Mandrel
62
Spring, Torsion
63
Bolt, Alloy steel
D450040T012 © 2001, 2019 Emerson Process Management Regulator
Technologies, Inc. All rights reserved. 11/19.
The Emerson logo is a trademark and service mark of Emerson
Electric Co. All other marks are the property of their prospective owners.
Fisher™ is a mark owned by Fisher Controls International LLC, a
business of Emerson Automation Solutions.
The contents of this publication are presented for informational purposes
only, and while every effort has been made to ensure their accuracy, they
are not to be construed as warranties or guarantees, express or implied,
regarding the products or services described herein or their use or
applicability. All sales are governed by our terms and conditions, which
are available upon request. We reserve the right to modify or improve the
designs or specifications of such products at any time without notice.
Emerson Process Management Regulator Technologies, Inc. does not
assume responsibility for the selection, use or maintenance of any
product. Responsibility for proper selection, use and maintenance of any
Emerson Process Management Regulator Technologies, Inc. product
remains solely with the purchaser.
Part Number
T12842T0012
T12842T0012
T12893T0012
- - - - - - - - - - -
T20677T0012
T12853T0012
T1166228982
T12847T0012
T13500T0012
1B290524052
T12843T0012
T12844T0012
T12844T0012
T13005T0012
T12865T0012
T12850T0012
T12850T0012
T13006T0012
T12851T0012
T1207524082
T12854T0012
T12841T0012
T20674T0012
T12499T0012
T12551T0012
T12781T0012
T13800T0012
T13877T0012
T12846T0012
T12849T0012
1E175828982
T12980T0012
1A368228982
T12878T0012
1D617032992
T1022724122
T12928T0012
T13826T0012
T20973T0012
T13803T0012
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