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118
manual valves
Praher Type S4 Wafer Check Valve
Description: Wafer style flap check valve
Mounting: In any position, between flanges to BS4504 EN1072 PN10. Optional
spring return for mounting in horizontal position or for pulsating flow
Maximum Fluid Pressure at 20˚C: Sizes 40mm to 160mm - 10 bar;
Sizes 225mm to 315mm - 6 bar
Fluid Temperature Range: 0˚C-60˚C
Construction:
Body: PVC-U
Seals: EPDM or FPM
Spring: Stainless Steel
End Connections: Flange mounted (flanges not included)
EPDM Seals
1
1
/4"/40 07.0002 88.71
1
1
/2"/50 07.0197 91.84
2"/63 07.0038 107.71
2
1
/2"/75 07.0048 110.95
3"/90 07.0058 128.03
4"/110 07.0068 160.47
5"/140 07.0078 189.92
6"/160 07.0088 241.01
8"/225 07.0098 441.15
10"/280 07.0108 615.45
12"/315 07.0118 788.53
FPM Seals
1
1
/4"/40 07.0001 60.23
1
1
/2"/50 07.0196 66.11
2"/63 07.0036 77.41
2
1
/2"/75 07.0046 82.70
3"/90 07.0056 87.15
4"/110 07.0066 102.78
5"/140 07.0076 123.21
6"/160 07.0086 174.90
8"/225 07.0096 361.81
10"/280 07.0106 520.48
12"/315 07.0116 697.18
No Spring Return No Spring Return
Dimensions (mm)
EPDM Seals
1
1
/4"/40 07.0004 152.07
1
1
/2"/50 07.0199 155.67
2"/63 07.0039 164.09
2
1
/2"/75 07.0049 176.70
3"/90 07.0059 200.15
4"/110 07.0069 237.41
5"/140 07.0079 277.07
6"/160 07.0089 335.37
8"/225 07.0099 494.03
10"/280 07.0109 733.24
12"/315 07.0119 964.04
FPM Seals
1
1
/4"/40 07.0003 92.56
1
1
/2"/50 07.0198 100.37
2"/63 07.0037 110.10
2
1
/2"/75 07.0047 147.26
3"/90 07.0057 157.46
4"/110 07.0067 182.71
5"/140 07.0077 207.95
6"/160 07.0087 249.43
8"/225 07.0097 464.60
10"/280 07.0107 662.32
12"/315 07.0117 873.89
Stainless Steel Spring Return Stainless Steel Spring Return
63 50 109 18 32
75 65 129 20 40
90 80 144 20 52
110 100 164 23 70
140 125 195 23 92
160 150 220 26 112
225 200 275 35 150
280 250 330 40 190
315 300 380 45 216
DDNA BC
Installation Adaptor for Wafer Check Valve
2”/63 07.2202 71.65
2
1
/2”/75 07.2203 83.90
3”/90 07.2204 90.87
4”/110 07.2205 129.82
5”/140 07.2206 157.46
6”/160 07.2207 171.30
8”/225 07.2208 395.48
10”/280 07.2209 650.30
12”/315 07.2210 1171.99
Flange Mounting
Allows the valve to open fully
Will accommodate use with heavy
wall pipes
Size Code Price
International Plastic Systems l Seaham Grange Industrial Estate l Seaham l SR7 0PT l England l Tel: 0191 521 3111 l www.ips-plastics.com