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H44X-Rubber flap check valve
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- 产品描述
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Introduction to HC44X Rubber Plate Check Valve
The HC44X check valve, also known as a check valve, is designed to prevent the medium in the pipeline from flowing back. The valve that relies on the flow and force of the medium to open or close itself, in order to prevent the backflow of the medium, is called a check valve. Check valves belong to the automatic valve category and are mainly used in pipelines with unidirectional flow of medium. They only allow medium to flow in one direction to prevent accidents.
Performance characteristics of HC44X check valve
The HC44X rubber plate check valve is composed of a valve body, a valve cover, a valve disc, and a spring. It is mainly used at the outlet of pipelines in industrial sectors such as water supply and drainage systems, petroleum, and chemical industries to prevent medium backflow. Due to the inclined design of the sealing ring of this product, the closing time is short, which can reduce water hammer pressure. The valve disc is made of rubber and steel plate through high-temperature compression, which is resistant to erosion and has good sealing performance. The product structure is simple, and maintenance, repair, and transportation are all very convenient.
Three component materials
Part Name
Materials
Valve body and valve cover
Nodular cast iron
Valve flap
Nodular cast iron+EPDM
Filler
EPDM
Hexagonal socket nut
Stainless steel
Shim
EPDM
Main technical parameters
◆ Nominal pressure: 1.0-1.6 MPa
◆ Nominal diameter: 50-400mm
◆ Working temperature: 0-80 ℃
◆ flange standard: EN1092-2/DIN3202 F6
◆ Test standards: EN1074-1 and 2/EN12266
◆ Applicable medium: clean water
◆ Drive mode: automatic
◆ Compliant with standard: DIN3202 F6/EN1074-3
Structural diagram
Size
L
D
C
B
n-d
b
f
DN50
200
165
125
99
4-19
20
3
DN65
240
185
145
118
4-19
20
3
DN80
260
200
160
133
4-19
8-19
22
3
DN100
300
220
180
154
8-19
22
3
DN125
350
250
210
184
8-19
24
3
DN150
400
285
240
210
8-23
24
3
DN200
500
340
295
265
8-23
12-23
26
3
DN250
600
405
350
355
319
12-23
12-28
27
3
DN300
700
460
400
410
370
12-23
12-28
28
4
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H44X-Rubber flap check valve
Contact HENGYA for Shipping, delivery, and payments information.
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