Aluminium Bronze C95500 Wafer Type Double Door Check Valve

Scientific and strict modern management and advanced production technology ensure the high quality of our 3 PCS Ball Valve, Clamp Sampling Valve Sanitary, Gate Valve. Adhering to quality-oriented, focusing on customer needs and continuous innovation, is our way of prosperity. We have formed a three-dimensional sales network and have an experienced professional service team.

Main parts and materials

Type	valve	Valve disc	Spring
H71H-16Q H71H-25Q	QT400-15	25	50CrVA
H71W-25H H71W-40H	2Cr13	1Cr13	1Cr18Ni9
H71W-25P H71W-40P	ZG1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni9Ti

Performance specification

Type	Nominal pressure	Test pressure		Working temperature	Applicable temperature
		Housing	Seal up
H71H-16Q	1.6	2.4	1.76	≦235℃	Water, steam，oil
H71H-25Q H71W-25H	2.5	3.75	2.75	≦235℃ ≦300℃
H71W-25P				≦200℃	Nitric acid and other corrosive media
H71W-40H	4.0	6.0	4.4	≦300℃
H71W-40P				≦200℃	Water, steam

Main outer size

Nominal diameter		D
DN	L	1.6	2.5	4.0
15	25	48	48	48
20	31.5	58	58	58
25	35.5	68	68	68
32	40	80	80	80
40	45	90	90	90
50	56	105	105	105
65	63	125	125	125
80	71	140	140	140
110	80	160	165	165
125	110	190	195	195
150	125	215	225	225
200	160	270	285	390
250	200	330	340	350
300	250	385	400	415

Product Description:

Materials are usually: cast steel, cast iron, alloy steel, stainless steel, CF8 (m), CF3 (m). Forged steels include A105, f304 (L), f316l, etc.

Function of check valve: to ensure the directional flow of medium in the pipeline without backflow. The bottom valve of water pump suction pipe also belongs to check valve.

Application:

in the pipeline of petroleum, chemical, pharmaceutical, chemical fertilizer, electric power industry and other working conditions, the suitable medium is water, oil, steam, acid medium, etc.

Price：Our price fluctuates with raw materials and exchange rate.Please leave your contact information and give you a new quotation as soon as possible.

Packing: wooden case, wooden pallet or packing method specified by customers.

FQA:

What are the structural characteristics of swing check valve?

There are 9 structural features of swing check valve

1). The length of the structure is short, which is only 1 / 8~ 1 / 4 of that of the traditional flange check valve

2). Small size, light weight, its weight is only 1 / 20 ~ 1 / 4 of the traditional flange check valve

3). The valve disc closes quickly and the water hammer pressure is small

4). Horizontal or vertical pipe can be used, easy to install

5). The flow channel is smooth and the fluid resistance is small

6). Good sealing performance, sensitive action

7). The disc stroke is short and the valve closing impact is small

8). Overall structure, simple and compact, beautiful shape

9). Long service life and high reliability

Our company adopts a new concept of service operation, based on the elite professional team and keen scientific analysis as the means to provide all kinds of customers with value-added Aluminium Bronze C95500 Wafer Type Double Door Check Valve and tracking services. Honesty is the fundamental way for our company to maintain superiority, occupy a place and obtain long-term development in the competition. We are actively building a new type of enterprise driven by innovation, quality and efficiency, manufacturing service and social responsibility.

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