Home> Product> Check valve
Product

H76H pair of butterfly check valves

H76H pair of butterfly check valves
  • sell：021-32051999
  • sell：021-32050777
  • fax：021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

H76H butterfly check valve is used for purified pipelines and industrial, environmental protection, water treatment, water supply and drainage pipelines in high-rise buildings to prevent reverse flow of media. The check valve adopts clamping type, butterfly plate is two semicircles, and adopts spring force reset. The sealing surface can be surfacing and welding wear-resisting material or rubber lining for the body. It has a wide range of use and reliable sealing.


Main technical parameters


公称通径
DN(mm)
50~1200
公称压力
PN(MPa)
1.0
1.6
2.5
4.0
试验压力Ps(MPa)
强度试验
1.5
2.4
3.75
6.0
密封试验
1.1
1.76
2.75
4.4
适用介质
水、蒸汽、油品、污水、酸碱类
适用温度
橡胶密封面（X）-20℃~120℃
合金钢密封面（H）主体碳钢-29℃~425℃
不锈钢主体用于酸类介质-29℃~200℃


Material of main parts


名称
材料
阀体
铸铁、铸钢、不锈钢、铬镍钼钛钢
阀板
铸铁、铸钢、不锈钢、铬镍钼钛钢
阀杆
碳钢、2Cr13、不锈钢、铬镍钼钛钢
密封圈
橡胶、不锈钢、合金钢
弹簧
60Si2Mn、3Cr13、17-7PH、INCONEL


H76X-6/10 connection size


通径DN
50
65
80
100
125
150
200
250
300
350
400
450
500
600
700
800
900
1000
1200
L
43
46
64
64
70
76
89
114
114
127
140
152
152
178
229
241
241
300
360
D
100
120
135
155
185
185
265
320
368
428
482
532
585
685
800
905
1005
1115
1325


H76H/W-16/25/40连接尺寸


通径DN
50
65
80
100
125
150
200
250
300
350
400
450
500
600
L
PN1.0/1.6/2.5
60
67
73
73
83
98
127
146
181
184
198
203
219
222
PN4.0
60
67
73
73
83
98
127
146
181
222
231
/
/
/
D
PN1.0
107
127
142
162
192
218
273
328
378
438
489
539
594
695
PN1.6
107
127
142
162
192
218
273
328
378
444
495
555
617
734
PN2.5
107
127
142
168
194
224
284
340
400
458
514
/
/
/
PN4.0
107
127
142
168
194
224
290
352
417
474
546
/
/
/


The best quality, first-class service Qigao creates more value for you!

"Qigao Valve" expects to continuously improve service quality and strive for excellence. "Sincere service" is the eternal theme of "Qigao". "Qigao" strictly followsIS09001-2000 Quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales and service. Strengthen communication with users and provide quality products to our customers with perfection and perfect service. Hereby our factory makes the following commitments:

Product Standards：

Products in strict accordance with ChinaGB、HG Standard and USAPISuch as standard design, manufacturing, acceptance. The hardness of the sealing surface meets the requirements of the state and the width exceeds the national standard.

pre-sale service：

Product introduction, technical exchange, non-standard product design, troubleshooting。

Sale service：

A trustworthy contract guarantees timely delivery and keeps in touch with customers. For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service：

1、"Qigao" brand product quality period is from the factory12In the month, the implementation of the "three guarantees" service (return, replacement, warranty).

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions, so as to further improve product quality.

3、Respond quickly to the quality of user complaints, after-sales service personnel rushed to the scene in 24-36 hours (48 hours outside the province).

4、For after-sales service, users are required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of Qigao.

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.：

a、Structure length；

b、Connection Type；

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range；

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us in advance to tell the required valve model, specification, quantity, delivery time and location, and timely transfer to the factory account according to the total 30% deposit or full payment. The rest of the payment is pending. Import before shipment to arrange delivery in time.

 

Order Process：

1、Customer purchase list fax to021-33872143，Or call us 021-33872141

2、Receive customer purchase list, provide valve model selection and quotation (price list)。

3、Specific agreement: delivery date, special requirements, etc.。

download Google：

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.：

a、Structure length；

b、Connection Type；

c、Nominal diameter, full diameter, reduced diameter, pipe size；

d、Operating medium and temperature, pressure range；

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us first to tell the required valve model, specifications, quantity, delivery time and location, and press the total30%The deposit or full payment will be remitted to our factory account in time.， The rest of the payment will be remitted before shipment to arrange delivery in time.。

Sale service：

Trustworthy contract, guarantee timely delivery, keep in touch with customers at any time。

For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service：

1、"Qigao" product quality period is from the factory12Month, practice“Three packs”Service (return, replacement, warranty)。

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions.，
In order to further improve product quality。

3、Respond quickly to the quality of user complaints, after-sales service personnel24-36Hours (outside the province48Hour) rushed to the scene。

4、For after-sales service, the user is required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of “Qigao”.。

statement

  1. All text, data and pictures in this article are for reference only.H76H pair of butterfly check valvesPlease contact us at 4000-700-665 for details of performance, size and price.
  2. If there is no explanation, this article is original, reprint, please indicate the address of this article, thank you for your cooperation!