Application: Water, heating, industrial, and fluid systems for backflow prevention
Description
This swing check valve is designed to prevent backflow in water, heating, and industrial fluid systems. Constructed from robust cast iron, it features a hinged disc that swings open with forward flow and closes automatically to block reverse flow. Compliant with BS5153 and BS EN 558-1 Series 10 standards, the valve is suitable for PN16 flanged systems and operates reliably under pressures up to 16 bar. With a wide operating temperature range of -10°C to 230°C, it is ideal for both cold and high-temperature fluid applications.
Durable Cast Iron Body: Provides long service life and excellent mechanical strength.
PN16 Flanged Mounting: Secure and easy installation into standard flanged pipe systems.
Compliant Design: Meets BS5153 and BS EN 558-1 Series 10 standards.
High Pressure Rating: Operates up to 16 bar for use in pressurised systems.
Wide Temperature Range: Suitable for temperatures from -10°C to 230°C.
Versatile Applications: Ideal for waterworks, heating systems, and industrial fluid handling.
Number
Part Name
Material
1
Body
Cast Iron GG25
2
Seat Ring
Cast Bronze
3
Disc Ring
Cast Bronze
4
Disc Ring
Cast Iron
5
Hanger
Cast Iron
6
Washer
Steel
7
Nut
Steel
8
Split Pin
Stainless Steel
9
Disc Screw
Steel
10
Side Pin
Brass
11
Gasket
Soft Steel Carboard
12
Hanger Pin
Stainless Steel
13
Bonnect
Cast Steel
14
Gasket
Graphite
15
Bolt
Steel
16
Nut
Steel
17
ID Plate
Aluminium
18
Pin
Stainless Steel
Product Code
Size (Inch)
DN (mm)
L (mm)
D (mm)
D1 (mm)
D2 (mm)
B (mm)
n-d
f (mm)
H (mm)
Weight (Kg)
373083
2"
50
203
165
125
99
20
4-19
3
112
11.6
373084
2 1/2"
65
216
185
145
118
20
4-19
3
132
17.5
373085
3"
80
241
200
160
132
22
8-19
3
141
21.4
373086
4"
100
292
220
180
156
24
8-19
3
162
37
373087
5"
125
330
250
210
184
26
8-19
3
192
56.2
373088
6"
150
356
285
240
211
26
8-23
3
211
72.4
373089
8"
200
496
340
295
266
30
12-23
3
270
123
373090
10"
250
622
405
355
319
32
12-28
3
316
201
373091
12"
300
699
460
410
370
32
12-28
4
357
291
IMPORTANT: The technical data given on this website is for preliminary information purposes only and is published without guarantee. All line drawings are for illustrative purposes only and should not be regarded as wholly accurate in every detail. We reserve the right to withdraw or to alter the specification of any product without notice. For more information, please consult our Terms of Business.
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.