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Big size Swing Check Valve Class 300
  • Big size Swing Check Valve Class 300
  • Big size Swing Check Valve Class 300
  • Big size Swing Check Valve Class 300
  • Big size Swing Check Valve Class 300
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Big size Swing Check Valve Class 300

  • Product description:

    The swing check valves are used as check valves for oil & gas, petrochemical, power, offshore and other demanding applications.

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Valve Details

Type

H44H/Y

Size

2"-48"

Pressure Range

Class 150∽Class 1500

Working Temp

≤425°

Material

Carbon steel,Stainless steel,Alloy steel,special material,chromium molybdenum steel,etc.

Medium

Water,Oil,Gas etc.

Operation

Manual Pneumatic Electric

Applicable standards

Steel Check valves, API 6D/BS1868

Steel gate valves, ISO 14313

Steel valves, ASME B16.34

Face to face, ASME B16.10

End flanges, ASME B16.5

Butt welding ends, ASME B16.25

Inspection and test, API 598

Design Features

BB, Bolted bonnet cap

Swing type,Anti-rotation disc

Renewable seat rings

Non-penetrate disc shaft

Horizontal or vertical service

Flanged or Butt welding ends

NO

ASTM Material

Part Name

Carbon steel

11/4 Cr-11/2 Mo

Low-term. Steel

Stainless steel

1

Body

A216-WCB

A217-WC6

A352-LCB

ASTM A351 CF8M

2

Bonnet Cap

A216-WCB

A217-WC6

A352-LCB

ASTM A351 CF8M

3

Disc

A216-WCB+13Cr

A217-WC6+HF

A352-LCB+13Cr

A351-CF8M+STL

4

Hinge

A216-WCB A217-WC6 A352-LCB A182-F316

5

Support

A216-WCB A217-WC6 A352-LCB A182-F316+13Cr

6

Seat Ring

A105+13Cr A182-F11+HF A276-410 A182-F316

7

Hinge Pin

A276-420

A276-304

A350-LF2+13Cr

8

Disc Washer

Carbon steel A276-304 Carbon steel Stainless steel

9

Disc Nut

Carbon steel A194-7 Carbon steel Stainless steel

10

Disc Nut Pin

Carbon steel

A276-420

Carbon steel

Stainless steel

11

Bonnet Gasket

Spiral Wound(Graphite+304/316)

12

Bonnet Stud

A193-B7 A193-B16 A320-L7 A193-B8M

13

Bonnet Stud Nut

A194-2H A194-7 A194-4 A194-8M

14

Eyeblot

Carbon steel/Stainless steel

Notes:1) Ductile Ni-Resist optional. 2) Wedge and seat ring may either be solid facing material or a base material equal or better than the body/bonnet material with facing as shown.


Our Strengths

Certificates & Partners

Production R&D & Own Factory

Contact Us

Email:

info@dbv-armaturen.com

Wenzhou Factory :

No.96 Fanhua East Road,OuBei,WenZhou,Zhejiang,China,325102


Warm Notice:

If you are interested in our valves, please bookmark our Social Media Accountswhich is easier to find us. if you need it one day in the future,we do appreciate it for your kindness.

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