steam trap

SDS U2004-00
STEAM TRAP
A3N CAST IRON
MODEL
THERMODYNAMIC DISC TRAP WITH THERMOSTATIC AIR VENTING
Features
Steam jacketed disc trap for long life on
mains, tracers, and coils.
1. Inline replaceable valve module.
2. Steam jacketing reduces no-load cycling.
3. Quick thermostatic air venting with bimetal
ring for fast start-up.
4. Lapped disc provides steam-tight seal
without air binding.
5. Built-in screen for trouble-free service.
6. High grade reusable gaskets.
7. Hardened working surfaces for long life.
Specifications
Model
Connection
A3N
AF3N
Screwed
Flanged
/2″, 3/4″, 1″
1
Size
DN 15, 20, 25
13
Maximum Operating Pressure (barg) PMO
Minimum Operating Pressure (barg)
0.3
Maximum Operating Temperature (˚C) TMO
200
80% of Inlet Pressure
Maximum Back Pressure
PRESSURE SHELL DESIGN CONDITIONS (NOT OPERATING CONDITIONS): Maximum Allowable Pressure (barg) PMA: 13
Maximum Allowable Temperature (˚C) TMA: 200
CAUTION
No.
1
⃝
R
2
⃝
R
3
⃝
R
4
⃝
5
⃝
6 MR
⃝
R
7
⃝
R
8
⃝
R
9
⃝
R
10
⃝
R
11
⃝
R
12
⃝
R
13
⃝
14
⃝
MR
15
⃝
16
⃝
1 bar = 0.1 MPa
To avoid abnormal operation, accidents or serious injury, DO NOT use this product outside of the specification range.
Local regulations may restrict the use of this product to below the conditions quoted.
Description
Body A3N
Body AF3N
Screen
Inner Cover
Inner Cover Gasket
Outer Cover
Outer Cover Gasket
Disc
Disc Holder Ring
Air Vent Ring
Module Valve Seat
Inner Module Gasket
Outer Module Gasket
Module Pin
Screen Holder
Screen Holder Gasket
Nameplate
Material
Malleable Cast Iron FCMB27-05
Cast Iron FC250
Stainless Steel SUS430
Stainless Steel SUS410F2
Fluorine Resin PTFE
Malleable Cast Iron FCMB27-05
Fluorine Resin PTFE
Stainless Steel SUS420J2
Stainless Steel SUS420J2
Bimetal
Stainless Steel SUS420F
Fluorine Resin PTFE
Fluorine Resin PTFE
High-Cr Steel SUJ2
Malleable Cast Iron FCMB27-05
Fluorine Resin PTFE
Stainless Steel SUS304
DIN*
0.8135
0.6025
1.4016
−
PTFE
0.8135
PTFE
1.4031
1.4031
−
1.4028
PTFE
PTFE
1.2067
0.8135
PTFE
1.4301
ASTM/AISI*
A47 Gr.32510
A126 Cl.B
AISI430
AISI410F2
PTFE
A47 Gr.32510
PTFE
AISI420
AISI420
−
AISI420F
PTFE
PTFE
A485
A47 Gr.32510
PTFE
AISI304
16
13
5
3
7
8
9
4
6
10
12
11
2
15
1
14
* Equivalent materials
Replacement Kits available: (M) maintenance parts, (R) repair parts
Copyright
C
Consulting & Engineering Service
Dimensions
• A3N
A3N Screwed*
L
Screwed
Size
H1
Weight (kg)
/2″
98
122
68
1.5
104
125
69
1.6
1″
112
133
73
1.8
3
H
H
/4″
1
H1
(mm)
L
* BSP DIN 2999, other standards available
• AF3N
L
Flanged
AF3N Flanged
(mm)
L
DN
DIN 2501
H
H1
Weight
(kg)
H1
H
PN16
15
175
120
67
3.4
20
191
125
71
5.0
25
211
131
73
6.2
Other standards available, but length and weight may vary
Discharge Capacity
700
Discharge Capacity (kg/h)
600
400
200
100
0.3
0.5
1
Differential Pressure (bar)
2
4
6
8
10
13
1 bar = 0.1 MPa
1. Differential Pressure is the difference between the inlet and outlet pressure of the trap.
2. Recommended safety factor: at least 2.
Copyright
(M)
C
SDS U2004-00
Rev. 4/2014
Products for intended use only.
Specifications subject to change without notice.