Overview:
A41H type are used for the equipment and pipeline of the petroleum gas, air, water and other medium what the working temperature are less than 300ºC. Flange connecting dimensions of comply with Standard series first of JB/T....94.It is a kind of ultimate protection device for overpressure applied in the pipes and container with the non-toxic, harmless and non-inflammable, non-explosive liquid. The safety valve adopts the spring direct load type, the flange connection and the whole enclosed structure.
Characteristic
1 Smaller displacement, save energy.
2 The valve disc and seat with planar structure are easy to repair and re - processing.
3 The setting pressure deviation is small, can reach 3%.
4 Choose the high-quality spring steel, ensure the life and stability of the spring.Execution standard
Design specification: GB/T 12243
Face to face: GB/T 12221
Flange connection: JB/T 79
Test and inspection: GB/T 12242
Product ID: GB/T 12220
Materials for main parts:
1 Body: WCB
2 Seat: ZG2Cr13/1Cr18Ni9Ti
3 Adjusting ring: ZG2Cr13/1Cr18Ni9Ti
4 Disc: 2Cr13/1Cr18Ni9Ti
5 Guide sleeve: ZG2Cr13/1Cr18Ni9Ti
6 Bonnet: ZG230-450
7 Spring: 50CrVA
8 Stem: 2Cr13
9 Adjusting bolt: 45
10 Cap: ZG200-400
Zhejiang Yongjia Zhenghong Valve Co., Ltd is located in the hometown of valve- Oubei Town, is a valve enterprise with collection of production and sales of high, medium and low pressure. Various valves with reliable quality and favorable price sell well both at home and abroad. The main products include gate valves, globe valves, check valves, ball valves, steam traps, safety valves and control valves those are widely applied in the field of petroleum, chemical fertilizer, steel, textile, pharmaceutical, and high-rise buildings. Main materials used: Stainless steel, special steel, WCB, WC9, 2GCr5Mo, 2G1, etc.
Our company obtained the quality certification of ISO9001, API 6D, the authentication of TS. According to quality system standards, we try our best to innovate and develop kinds of competitive products. The development strategy of company is adhering to "quality first, service first, continuous improvement and innovation to meet the customers".
We sincerely welcome both old and new customers at home and abroad to inquiry and visit our company.
