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A27H, A28 Spring Micro-opening Safety Valve



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是国内著名〖 弹簧微启式安全阀 〗制造商,也是国内大型【 安全 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖弹簧微启式安全阀 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务。 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known domestic manufacturer of " Spring Micro-opening Safety Valves" and one of the large domestic [ safety valve ] manufacturers. Since its establishment, the company has always focused on customer needs and continued innovation for the majority of The agents and corporate customers of the company provide "Spring Micro-opening Safety Valve" solution, which is reliable in quality and affordable in price, so it sells all over the country. Welcome new and old customers to call and email us, we will provide you with the best service.

Introduction of spring micro-opening safety valve

Structure of spring micro-opening safety valve  
Structure of spring micro-opening safety valve Structure of spring micro-opening safety valve  

I. Overview of spring micro-opening safety valve

弹簧微启式安全阀 适用于工作温度≤200℃的水、空气、蒸气等介质的设备或管路上。 A27H / A28 spring micro-opening safety valve is suitable for equipment or pipelines with water, air, steam and other media with an operating temperature ≤ 200 C. 适用于工作温度≤200℃有腐蚀性介质的设备或管路上,作为超压保护装置。 Spring full-open closed safety valve is suitable for equipment or pipeline with operating temperature ≤200 ℃ as an overpressure protection device.
 

Second, spring micro-opening safety valve series models


A27H-40

A27Y-10P A27Y-10R

A27H-10

A27Y-16P

A27Y-16R

A27H-16

A27Y-25P

A27Y-25R

A27H-25

A27Y-40P

A27Y-40R


Material of main parts of spring micro-opening safety valve


NO.

Part Name A27H material A27W-P material A27W-R material

1

Valve body

HT350

ZG1Cr18Ni9Ti

ZG1Cr18Ni12Mo2Ti

2

Valve seat

35

ZG1Cr18Ni9Ti

ZG1Cr18Ni9Ti

3

Adjustment ring

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

4

Disc

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

5

spring

50CrVA

50CrVA coated fluoroplastic

50CrVA coated fluoroplastic

6

Valve stem

2Cr13

2Cr13

1Cr18Ni9Ti

7

Adjusting screw

45

2Cr13

1Cr18Ni9Ti

8

Protective cover

ZG200-400

ZG200-400

1Cr18Ni9Ti

 

Sealing surface material

Surfacing D507

Overlaying Co-based cemented carbide


4. Dimensions and connection dimensions of spring micro-opening safety valve


Nominal diameter

size
do Rc L L1 G H

15

10

1/2 "

40

65

1/2 "

135

20

15

3/4 "

45

70

3/4 "

140

25

20

1"

45

76

1"

155

32

25

11/4 "

55

85

11/4 "

170

40

32

11/2 "

55

85

11/2 "

310

50

40

2"

67

100

2"

322

65

50

21/2 "

76

112

21/2 "

344

80

65

3 "

110

135

3 "

395


Related Products:

A41 type micro-opening safety valve A28 full open safety valve A44 Closed Full Open Safety Valve with Wrench A48 high temperature and high pressure full-open safety valve
A37H safety valve A37H safety valve A42F safety valve Spring micro-opening safety valve
A46 pilot operated safety valve A28 type full open safety valve A41Y-160 (320) Safety valve WA42Y balance type safety valve


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