non-return valves PN 250-500 High-pressure DN 10-50 ... - Filter

Type series booklet
7692.1/4-10
Application
In industrial plants, power stations, process and marine
engineering
For water, steam, gas, oil and other non-aggressive media
Other applications on request
Operating data
Maximum allowable pressure 500 bar
Maximum allowable temperature 580 C
Pressure-temperature ratings see next side
Materials
16 Mo 3 1.5415 up to 530 C
13 CrMo 4-5 1.7335 up to 550 C
10 CrMo 9-10 1.7380 up to 570 C
Other materials on request
Design
Y-pattern body design with pressure seal bonnet
Body and cover die-forged
Check cone
Closing spring
Seats made of wear-resistant and corrosion-proof stellite
Seal faces made of wear and corrosion-resistant Hastelloy
The valves meet the safety requirements of the Pressure
Equipment Directive 97/23/EC (PED) of annex I for fluids of
the groups 1 and 2.
DIN ISO 9001 DGR 97/23/EG
RGS
High-pressure
non-return valves
Y-pattern
with butt- or socketweld
ends
PN 250-500
DN 10-50
Standard variants
Other flange and but-weld end designs
Acceptance tests to technical codes such as TRD/TRB/
AD2000 or customer specification
Remarks
NORI R -A-non-return-valves,with die-forgedbody andcover,
type RXLR/ RXSR according to type series booklet 7693.1
Operating instructions: 0570.82
On all enquiries / orders please specify
1 Type 7 Material
2 PN 8 Medium
3 DN 9 Flow rate
4 Working pressure 10 Pipe connection
5 Differential pressure 11 Optional extras
6 Operating temperature 12 Type series booklet number
When ordering spares, indicate original factory number and
year of manufacture.
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) according to ATEX 94/9/EC.

Pressure-Temperature ratings
2
Nominal bore Material Material no. Remark Working pressures at temperatures in C
DN to 300 350 400 425 450 475 500 510 520 530 540 550 560 570 580
10--50 16 Mo 3
13 CrMo 4-5
10 CrMo 910
10--25 16 Mo 3
13 CrMo 4-5
10 CrMo 9-10
32--50 16 Mo 3
13 CrMo 4-5
10 CrMo 9-10
1.5415
1.7335
1.7380
1.5415
1.7335
1.7380
1.5415
1.7335
1.7380
Butt weld ends machined
see type series booklet
= PN 320
Butt weld ends
unmachined
=PN500
Butt weld ends
unmachined
=PN400
1) The valves can be used down to -10 C
Operating pressures to EN 1092/1 are also permissible
320
320
320
500
500
500
400
400
400
318
320
320
484
500
500
387
400
400
298
320
320
453
500
500
362
400
400
293
320
320
445
500
500
356
400
400
288
320
320
437
500
500
350
400
400
283
315
320
429
493
500
343
394
400
179
274
286
290
428
421
226
342
337
136
229
250
231
362
368
180
289
294
107
181
217
184
293
321
143
228
257
86
148
188
146
243
281
113
186
225
119
162
190
243
150
194
RGS
93
138 119 102 88
153
212 181 159 137
117
170 145 127 109
Installation
Non-return valves are installed in the line so that the medium enters the valve underneath the cone and flows out obove it.
Materials
7692: 3
Ill.: DN 10--25
Part no. Name of parts Temperature Material Remark
Up to 530 C 16 Mo 3 1.5415 Die-forged
100 Bodyy Up to 550 C 13 CrMo 4-5 1.7335
Up to 580 C 10 CrMo 9-10 1.7380
Sealing Body Up to 580 C Hastelloy hard facing Welded-on
faces Check cone X35CrMo17-1 1.4122 Solid
139 Bonnet 21 CrMo V 5-7 1.7709
351 *) Check cone X35CrMo17-1 1.4122
411.1 *) Gasket Graphite Seamless
414 Thrust plate 13 CrMo 4-5 1.7335
500 Ring 21 CrMo V 5-7 1.7709
501 Segmental ring 21 CrMo V 5-7 1.7709
950 *) Spring X 7 CrNiAl 17-7 1.4568
*) Recommended spare parts

Dimensions type RGS
Face-to-face dimension -- see table
Butt-weld ends -- DIN 3239/1
Groove form -- DIN 2559-21
Socket weld ends -- acc. to
ASME B 16.11
DIN 3239/2
Ill.: DN 10--25
Butt-weld ends
7692: 3
Socket-weld ends
DN 20-50, welded-on
RGS
Different designs of butt-weld ends, socket-weld ends and
welding groove forms are possible, but only within the
dimensions A max. and B min
Butt weld ends to EN 12627 or socket weld ends to EN 12760
possible.
Dimensions Dimensions in mm
Nominal Nominal Face-to-face dimension Butt-weld ends Butt-weld ends acc. to DIN 3239-type 1 Socket-weld ends to ANSI B 16.11 Centre-to-top weight
pressure bore Butt-weld Socket weld
Groove forms to DIN 2559-21 height
ends ends
not machined Associated
PN DN l l øAmax. øBmin. ød2 ød3 *) pipe dimensions øD-- 0.5 øC +0.2 bmin h approx. kg
250 10 130 130 38 9 18 12 17.2 x 2.6 27.0 17.6 9.5 95 3.0
320 15 130 130 38 14 22 15 21.3 x 3.2 32.5 21.7 9.5 95 3.0
500 20 130 200 38 19 28 19 26.9 x 4.0 39.5 27.1 12.5 95 3.0
25 130 200 38 22 35 24 33.7 x 5.0 48.0 33.8 12.5 95 3.5
250 32 160 240 58 30 44 30.5 42.4 x 6.3 57.0 42.7 12.5 125 6.5
320 40 160 240 58 35 49 36 48.3 x 6.3 64.5 48.8 12.5 125 6.5
400 50 190 270 72 46 -- -- -- -- -- -- -- -- -- -- -- -- 145 9.0
*) d 3 =d p acc. to DIN 3239 Butt-weld ends variable acc. to nominal pressure
3

Pressure seal bonnet
Your benefit
Safe sealing towards the
atmosphere
Compact design
Closing spring as
standard feature
Your benefit
Allows any installation
position
Product Features - to our Customers’ Benefit
Ill.: DN 10--25
KSB Aktiengesellschaft
Bahnhofplatz 1 91257 Pegnitz (Germany)
Tel.: +49 (92 41) 71 0 fax: +49 (92 41) 71 17 95 e-mail: valves@ksb.com www.ksb.com
Seal faces made of wear and
corrosion resistant materials
Your benefit
High reliability
Long life
RGS
Subject to technical modification without prior notice
01.02.2006
7692.1/4--10