
API Standard Aluminium Bronze C95400 C95500 C95800 Wafer Check Valve
Product Introduction
Our company has introduced many sets of advanced processing equipment and technology to expand the processing capacity of our Butt Welded Equal Fittings Tee Cross, Wafer Check Valve, Stainless Steel Union. In recent years, we have established long-term cooperative relations with many enterprises, and sincerely welcome friends from all over the world to visit, investigate and negotiate business. We have achieved an effective integration of marketing system, management team, corporate culture, internal and external resources, and other elements of corporate operations. With superb service and quality, and an enterprise of foreign trade featuring validity and competitiveness, that will be trusted and welcomed by its clients and creates happiness to its employees.



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
We are a leading manufacturer of producing API Standard Aluminium Bronze C95400 C95500 C95800 Wafer Check Valve and providing related solutions. With integrated business of design, R&D, production, sales and service, we are committed to bringing the best benefits for customers. We vigorously implement the strategy of talents, technology and culture, and comprehensively enhance the strength of the company. We are good at learning and absorbing the strengths of others, which shows our broad-mindedness and ambition to be among the world's strongest enterprises.
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