Fig. C04 Swing Check Valve DN50 - DN400 PN25

Figure C04.
 
Metal seat Check Valve to prevent reverse flow, suitable for water, wastewater and sewage applications.
 
To BS5153 and BSEN 1074-3 standards, size range 50-300mm, ductile iron with gunmetal seats.
 
Features.
  • Unique lightweight ductile iron design.
  • WRAS approved non metallic components.
  • Fusion bonded epoxy coated paint - WRAS approved.
  • Suitable for both horizontal and vertical installation.
  • 1/2" BSP air release on cover as standard.

Service Conditions.

  • Potable water, filtered water, dirty water & sewage.
  • Working pressure 25 bar.
  • Temperature range -10°C to 70°C.

(Insulate at 0°C and below)

Standards.

  • Designed according to EN 1074 - 3.
  • Standard flange drilling to EN1092-2 (ISO 7005-2), PN 25.

Test/Approvals.

  • Hydraulic test to EN 1074-3.
  • Seat: 1.1 x PN (in bar), Body: 1.5 x PN (in bar).
  • Approved for waste water / pressure test EN 1074.

Accessories / Options.

  • Lever & weight.
  • Safety Guard - Coated.
  • Proximity Switch.
Material Specification.
ItemsDescriptionMaterialStandard
1.BodyDuctile IronBSEN 500 7
2.Body Seat RingBronze LG2BSEN 1982 CC 491K
3.Disc Seat RingBronze LG2BSEN 1982 CC 491K
4.DiscDuctile IronBSEN 500 7
5.HingeDN50-150 BS1400 LG2DN200-400 BS1452 Gr 220
6.ShaftStainless Steel431S29
7.CoverDuctile IronBSEN 500 7
8.Disc PinStainless Steel431S29
9.BearingBronze LG2BSEN 1982 CC 491K
10.BoltingStainless SteelGR304
11.LeverSteel
12.SealsEPDM RubberCommercial
13.Bonnet GasketEPDM RubberCommercial
Dimensions.
Size
A
C
D
T
F
L
x-n
H
L1
L2
L3
Kgs
C01
Kgs
C02
50
50
125
165
20
3
203
4-Ø19
135
127
210
110
14.5
15
65
65
145
185
20
3
216
4-Ø19
148
130
220
105
17.5
18.5
80
80
160
200
22
3
241
4-Ø19
178
160
265
120
26
28
100
100
180
220
24
3
292
4-Ø19
195
170
280
148
31.5
34
125
125
210
250
26
3
330
4-Ø19
210
201
335
148
48
56
150
150
240
285
26
3
356
8-Ø23
250
220
366
175
68
77
200
200
295
340
30
3
495
12-Ø23
300
260
395
245
117
129
250
250
355
405
32
3
622
12-Ø27
335
305
520
285
173
189
300
300
410
460
32
4
698
12-Ø27
365
345
597
325
264
284

350

350

470

520

36

4

787

16-Ø27

425

425

730

350

940

960

400
400
525
580
383
4
914
16-Ø31
455
450
792
350
1062
1082

For more technical information, please see below.

Downloads

File nameTypeSize
GA_NRV_50mm_to_400mm_PN25_Fig._C04pdf452 KB