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Spring loaded external thread type safety valve

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Product/ Service: Low lift external thread type safety valve 
Brand: GOOLE.OTHERS] 
Model: ARI902/A21/A27/A37/A41/A48 
Specification: standard,API,ISO9001,CE... 
Unit Price: 1.00USD/set  quote
Minimum Order: 1 set  order
Total Amount of Supply: 500 set
Delivery: deliver within 3 days after the buyer has paid
Valid until: 2020-07-29
Last Update: 2017-09-13
Views: 3136
Company Information
 
 
Detailed information about this product
 

A21 Spring loaded low lift external thread type safety valve

A21 Spring loaded low lift external thread type safety valve

 

 Low lift safety valve introduction:

  1.In low lift valves, the disc only lifts a distance of 1/24th of the bore diameter. The discharge area is determined entirely by the position of the disc, and since the disc only lifts a small amount, the capacities tend to be much lower than those of full or high lift valves.

  2. low lift safety valve valve opening height is between one twentieth to one fortieth times of the flow diameter. 

A21F、A21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc. medium what the working temperature are less than 200℃.

A21W-P,R type are used for the equipment and pipeline of the quality with corrode gas and liquid medium what the working temperature are less than 200℃ 。Take for extrapressure protection devices.


KA21Y type are used for liquefied petroleum gas what the working temperature are less than 100℃.

A21H/W/Y Type Spring Loaded Low Lift Safety Valve Main Parts Material

NO.

Parts Name

A21H-C/A21F Material

A21W-P/A21F-P Material

A21Y-R Material

1

Nipple

20

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

2

Nipple Nut

35

2Cr13

1Cr18Ni9Ti

3

Seat

35

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

4

Body

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

5

Disc

2Cr13/2Cr13+PTFE

1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE

1Cr18Ni12Mo2Ti

6

Spring Washer

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

7

Spring

50CrVA

50CrVA

50CrVA

8

Locking Nut

Q235-A

ZG230-450

1Cr18Ni9Ti

9

Guide

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

10

Adjusting Bolt

Q235-A

2Cr13

1Cr18Ni12Mo2Ti

 

Sealing

"Y"---Stellite, "H"------D507,  "W"------Body material


Other Information

Email: 
  1.  goole4@goolevalve.com
  2.  fjxcathy1985@yeah.net
  3.  fjxcathy@hotmail.com


http://wwwchinavalve1.com

http://www.china-safetyvalve.com/

http://www.goolevalve.com

Payment:T/T D/P L/C WEST UNION,CASH

Delivery:FOB
Origin:China
Minimum Order:1
Packaging:plywood case

 
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