Type series booklet NORI 40 RXL/RXS

Lift Check Valve
NORI 40 RXL/RXS
PN 25/40
DN 10-300
Flanged/Butt Weld Ends
or Socket Weld Ends
Type Series Booklet
Legal information/Copyright
Type Series Booklet NORI 40 RXL/RXS
All rights reserved. The contents provided herein must neither be distributed, copied, reproduced,
edited or processed for any other purpose, nor otherwise transmitted, published or made available to
a third party without the manufacturer's express written consent.
Subject to technical modification without prior notice.
© KSB Aktiengesellschaft, Frankenthal 09.05.2014
Check Valves and Strainers
Lift check valves
Check Valves and Strainers
Operating data
Operating properties
Lift check valves
NORI 40 RXL/RXS
Characteristic
Nominal pressure
Nominal size
Max. permissible pressure
Max. permissible temperature
Value
PN 25/40
DN 10-300
40 bar
450 °C
Selection as per pressure/temperature ratings (⇨ Page 4)
Body materials
Overview of available materials for flanged model
Material
P 250 GH1)
GP 240 GH+N2)
Material number
1.0460
1.0619+N
Temperature limit
Up to 450 ℃
Up to 450 ℃
Overview of available materials for model with butt weld ends
Material
P 250 GH3)
GP 240 GH+N4)
Material number
1.0460
1.0619+N
Temperature limit
Up to 450 ℃
Up to 450 ℃
Design details
Design
▪ Straight-way pattern
▪ Spring-loaded check disc
Main applications
▪ Process engineering
▪ Chemical industry
▪ Petrochemical industry
▪ Fossil-fuelled power stations
▪ Boiler feed applications
▪ Boiler recirculation
▪ Heat recovery systems
▪ Descaling units
▪ Snow-making systems
▪ Paper and cellulose industry
▪ Sugar industry
▪ Shipbuilding
▪ Mining
▪ Fully confined bonnet gasket
▪ Seat/disc interface made of wear and corrosion-resistant
chrome steel (Cr) or chrome nickel steel (CrNi)
▪ EC type-tested (Module B), component mark TÜ.A.-290
▪ Exterior coating: blue RAL 5002
▪ The valves meet the requirements specified in TA-Luft
(German Technical Guidelines on Air Quality Control,
VDI 2440).
▪ The valves satisfy the safety requirements of Annex I of
the European Pressure Equipment Directive 97/23/EC (PED)
for fluids in Groups 1 and 2.
▪ The valves do not have a potential internal source of
ignition and can be used in potentially explosive
atmospheres, Group II, category 2 (zones 1+21) and
category 3 (zones 2+22) to ATEX 94/9/EC.
Variants
▪ Studs and nuts of A4-70 (low-temperature steel)
Fluids handled
1)
2)
3)
4)
▪ Oil and grease-free (wetted parts)
▪ Water
▪ Oil and grease-free for oxygen
▪ Steam
▪ Other flange designs
▪ Gas
▪ Other butt weld end versions
▪ Other non-aggressive fluids
▪ Other socket weld end versions
▪ Other fluids on request.
▪ Inspections to technical codes such as TRD/TRB/AD2000 –
German Steam Boiler / Pressure Vessel Regulations – or to
customer specification
DN 10-40
DN 50-300
DN 10-50
DN 65-300
NORI 40 RXL/RXS
3
Check Valves and Strainers
Lift check valves
Product benefits
▪ Reliable sealing: bonnet gasket fully confined to prevent
creep.
▪ Hard-faced valve seat made of wear-resistant and
corrosion-proof materials for long service life and high
functional reliability.
▪ NORI 40 strainers, type FSL/FSS, see type series booklet
7127.1.
▪ Operating manual 0570.82
On all enquiries/orders please specify
▪ Corrosion-resistant and easy to repair due to olivechromated nuts and bolts/screws.
1.
Type
2.
Nominal pressure
▪ Variable use. Closing spring enables operation in both
vertical and horizontal pipes.
3.
Nominal size
4.
Operating pressure
5.
Differential pressure
6.
Operating temperature
▪ NORI 40 globe valves with gland packing and rotating
stem, type ZXL/ZXS, see type series booklet 7621.1.
7.
Fluid handled
▪ NORI 40 globe valves with gland packing and non-rotating
stem, type ZXLF/ZXSF, see type series booklet 7622.1.
8.
Pipe connection
9.
Variants
Related documents
▪ NORI 40 bellows-type globe valves, type ZXLB/ZXSB,
ZXLBV/ZXSBV, ZYLB/ZYSB, see type series booklet 7165.1,
7168.1 and 7160.1.
10. Number of type series booklet
Pressure/temperature ratings
Permissible operating pressures in bar at a temperature of °C (to EN 1092-1)5)
Nominal
pressure
25
40
5)
6)
4
Material
RT6)
100
150
200
250
300
350
400
450
P 250 GH
25,0
40,0
23,2
37,1
22,0
35,2
20,8
33,3
19,0
30,4
17,2
27,6
16,0
25,7
14,8
23,8
8,2
13,1
GP 240 GH+N
Operating pressures to DIN 2401 are also permissible.
RT: room temperature (-10 °C to +50 °C)
NORI 40 RXL/RXS
Check Valves and Strainers
Lift check valves
Materials
RXL
RXS
920
920
160
902
411
160
902
100
100
411
351
950
DN 10-50
920
902
351
100
351
950
DN 10-50
160
920
411
902
950
351
160
411
950
100
DN 65-300
131
DN 65-300
Overview of available materials
Part No.
100
131
Connection branch
DN
10-40 type RXL
10-50 type RXS
50-300 type RXL
65-300 type RXS
65-300 type RXS
P 235 GH
1.0305
160
Cover
10-200
P 250 GH
1.0460
250-300
GP 240 GH
1.0619
10-50
X 6 CrNiMoTi
17-12-2
X 20 Cr 13
1.4571
P 250 GH
CrNi steel/
graphite
21 CrMoV 5-7
25CrMo4
X 5 CrNiMo
17-12-2
X 12 CrNi 177
Spring steel B
1.0460
Hard-faced (1.4115)
1.7709
1.7218
1.4401
Olive-chromated
3517)
Description
Body
Check disc
65-100
4117)
Joint ring
125-300
10-300
902
920
9507)
Stud
Hexagon nut
Spring
10-300
10-300
10-50
65-100
125-300
7)
Material
P 250 GH
Material number
1.0460
GP 240 GH+N
1.0619+N
Note
Hard-faced with stainless
steel (1.4370)
1.4021
1.4310
1.0600
Recommended spare parts
NORI 40 RXL/RXS
5
Check Valves and Strainers
Lift check valves
Dimensions
Dimensions of NORI 40 RXL
Dimensions in mm
PN
DN
l
ØD
Øk
25/40
10
15
20
25
32
40
50
65
80
100
125
150
200
250
300
200
250
300
130
130
150
160
180
200
230
290
310
350
400
480
600
730
850
600
730
850
90
95
105
115
140
150
165
185
200
235
270
300
360
425
485
375
450
515
60
65
75
85
100
110
125
145
160
190
220
250
310
370
430
320
385
450
25
40
No. of bolt
holes
z
4
4
4
4
4
4
4
8
8
8
8
8
12
12
16
12
12
16
Mating dimensions - Standards
Face-to-face lengths:
Flanges:
Flange facing:
6
EN 558-1/1, ISO 5752/1
Mating dimensions to DIN EN 1092-1,
ISO 7005
Type B
NORI 40 RXL/RXS
Øi
Ø d4 x f
b
h1
[kg]
14
14
14
14
18
18
18
18
18
22
26
26
26
30
30
30
33
33
40 x 2
45 x 2
58 x 2
68 x 2
78 x 2
88 x 2
102 x 3
122 x 3
138 x 3
162 x 3
188 x 3
218 x 3
278 x 3
335 x 3
395 x 4
285 x 3
345 x 3
410 x 4
16
16
18
18
18
18
20
22
24
24
26
28
30
32
34
34
38
42
85
85
105
105
115
120
135
173
202
234
200
220
270
310
340
270
310
340
2.6
3.2
4.0
4.7
7.9
9.3
12.1
17.0
27.0
33.0
48.0
65.0
120.0
205.0
310.0
160.0
240.0
350.0
Other flange designs
▪ E.g. groove (type D), tongue (type C), recess (type F),
spigot (type E) to EN 1092-1 at both ends
▪ Other flange designs on request
Check Valves and Strainers
Lift check valves
Dimensions of NORI 40 RXS
Socket weld end
Butt weld end
Dimensions in mm
PN
25/40
DN
l
Butt weld ends,
unmachined
Butt weld ends to DIN EN 12627
Socket weld ends to
DIN EN 12760
ø Amax.
ø Bmin.
ø d2
ø d3
ø D -0.5
ø C +0.2
bmin.
25
30.5
36.5
44.5
53.5
60.5
73.5
17.6
21.7
27.1
33.8
42.5
48.7
61.1
10
10
13
13
13
13
16
h1
[kg]
105
105
105
105
120
120
135
173
2.0
2.0
2.0
2.0
5.5
5.5
7.5
13.0
10
15
20
25
32
40
50
65
130
130
130
130
160
180
210
290
44
44
44
44
60
60
73
76.1
10
15
20
24
33
38
48
64.9
18
22
28
34
43
49
61
76.1
13
17
22
28.5
37
43
54
69
Associated pipe
dimensions
17.2 x 2.0
21.3 x 2.0
26.9 x 2.3
33.7 x 2.6
42.4 x 2.6
48.3 x 2.6
60.3 x 3.2
76.1 x 3.6
80
310
88.9
79.9
88.9
81
88.9 x 4.0
202
20.0
100
350
114.3
100.1
114.3
104
114.3 x 5.0
234
40.0
125
400
139.7
125.5
139.7
130.5
139.7 x 4.5
200
60.0
150
480
168.3
148.3
168.3
156.5
168.3 x 5.6
220
80.0
200
600
219.1
199.1
219.1
204.5
219.1 x 7.1
270
130.0
250
730
273
251
273
256.5
273.0 x 8.0
310
200.0
300
950
345
305
323.9
306.5
323.9 x 8.8
340
285.0
Mating dimensions - Standards
Installation instructions
Face-to-face lengths: EN 12982/64
Butt weld ends:
DIN EN 12627 Fig. 2
Socket weld ends:
DIN EN 12760
Lift check valves must always be installed in the line so as
to ensure that the fluid enters the valve beneath the valve disc
and flows out above the valve disc.
Different designs of butt weld ends, socket weld ends and
welding groove types are possible, but only within the
dimensions Amax.and Bmin..
Min. opening pressure
Butt weld ends to DIN 3239/1 or socket weld ends to
ASME B16.11 and DIN 3239/2 are possible.
DN
10-50
65-300
bar
0.15
0.07
NORI 40 RXL/RXS
7
09.05.2014
7673.1/12-EN
KSB Aktiengesellschaft
Bahnhofplatz 1 • 91257 Pegnitz (Germany)
Tel. +49 9241 71-0 • Fax +49 9241 71-1795
E-Mail: [email protected] • www.ksb.com

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