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Slantd seat tilting disc check valve Butterfly type check valve Butterfly type non-slam check valve

1、Valve is designed with slanted seat, slanted angle of 20 degrees, short opening stroke and fast closing; 2、Body seat with stainless steel welding .corrosion resistance, wear resistance; 3、Large eccentric design, fast respond; 4、The valve body is quipped with limit block to ensure the disc will not be over traveled. The limit block is casted on the body integrally to prevent falling off; 5、The disc has built-in counterweight on the farthest part of the disc, fast closing respond. The external weight and counterweight can be removed to save space and avoid dangerous movement; 6、metal to metal or resilent seating option; We have a professional and experienced service team, and our cooperation will take your career to a higher level.

Description

Butterfly Type Check Valve Technical specification:

1、Design and manufacture to EN1074,
2、Face to face: EN558 Series 14
3、Flange and driling to EN1092-2 
4、Inspection & test to EN12266 5. Intemal & 
  extemal FBE above 250  microns

 

Design Pressure

 

PN10-PN25

Design Size

 

DN200MM-1600MM

Shell test Mpa

W

1.5X Design Pressure

Seat test Mpa

 

1.1X Design Pressure

Work Temp

 

-1080

Medium

 

Water

 

 

 

 

 

 

 

 

 

Materials of parts:

SN

Name

Material

1

Body

GJS500-7 with SS304 Seat

2

Disc

GJS500-7

3

Stem

SS420

4

Packing cover

SS 304

5

Seal bushing

AL-bronze

6

Self lubricated bearing

SS 304+PTFE

7

Bushing

SS 304

8

Cover

GJS500-7

9

Seal on disc

EPDM  NBR  VITON

10

Retainer

SS 304  SS 316

11

Pin

SS 420

12

O Ring

EPDM

13

Limited Stoper

GJS500-5

14

Lever and Counter Weight

GJS500-7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Enternal Dimension:

 

 

 

 

 

 

Keywords: Slantd seat tilting disc check valve Butterfly type check valve Butterfly type non-slam check valve

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