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Duplex Check Valve

Duplex Check Valve

Product Overview of Duplex Check Valve
Ready Stock Available in large quantity
Discount On large discount
MTC EN 10204 3.1/3.2
Ready Sizes
  • 1/8 to 2 inch
  • 6 to 50 mm
Flow Pattern
  • Cross
  • Angle
  • Straight
Thread
  • BSPP
  • NPT
  • JIC
  • UNF
  • BSPT
  • METRIC
Temperature -50 to 350 deg C
Body Pattern
  • Round
  • Square
  • Hexagon
Handle
  • Wheel Handle
  • BAR T-Handle
  • Knob Handle
Media
  • Sea water
  • Oil
  • Gas
  • Hot water
  • Steam
  • Air
  • Chemical
Connection
  • Threaded
  • Flange end
  • Buttweld
  • Socket weld
  • Tube end
Cracking Pressure 0.5 BAR 
Delivery Time
  • Oman - 9 days
  • Netherlands  - 12 days
  • France - 30 days
  • Spain - 25 days

UNS S31803 Wafer Check Valve manufacturer in India

List of Documentation Provide Duplex Steel S31803 Check Valves Manufacturer At The Time of Delivery

  • Non Destructive Test Reports
  • Destructive Test Reports
  • PMI Test Reports
  • Mill Test Certificates
  • Third Party Inspection Reports
  • Visual Inspection Reports
  • NABL Approved Lab Reports
  • Invoice
  • Packing List

Table of Content

Check sizes and specification of Duplex Type 2205 Swing Check Valve

Duplex Check Valve Specification

Duplex Check Valve Sizes
  • 1/8" TO 2"
  • 6 MM TO 50 MM



Standards and Dimensions of Duplex Spring Check Valve
  • ASME B16.10 (Face To Face)
  • ASME B16.34 (Manufacture & Design)
  • API 598 (Test & Inspection)
Duplex Poppet Check Valve Pressure Class
  • Class 150 To Class 2500



Features of Duplex Stainless Steel Check Valve
  • Low pressure cracking
  • Seal ring construction for excellent sealing.
  • High flow capacity
  • Minimize flow velocity
Media Temperature Range of UNS S32205 Duplex Steel Piston Check Valve
  • (-50* C TO 350*C ) RANGE AS PER PRESSURE


Duplex 2205 Check Valves Operations
  • Gear operated
  • Handwheel operated
  • Electric actuated
  • Pneumatic actuated

Mediums in which Alloy 2205 Check Valve used
  • Hot Water
  • Steam
  • Gas
  • Cold Water
  • Air
  • Sea Water
  • Hydraulic Oil
  • Chemical
  • Water
Testing Inspection of Din 1.4462 Spring Check Valve
  • Valve Seat Leakage Tests
  • X-ray
  • PMI Tests
  • Shell Leakage Tests
  • MPI
  • Back Seat Tests
  • Ultrasonic


Duplex SAF 2205 Check Valves Applications
  • Dairy
  • Pharmacy
  • Chemical Industry
  • Oil and Gas Industry
  • Food & Beverages




Duplex 2205 Stainless Steel Spring Check Valve Ports
  • Full Port
  • Reduced Port
  • L Port
  • T Port
Parts of a Lean Duplex 2205 Poppet Check Valve
  • Disc
  • Pin
  • Valve Body
  • Seats
1.4462 SAF Check Valve 2205 HS Code
  • 84813000



Sealing Material for Duplex SS 2205 Piston Check Valve
  • PTFE
  • PPL
  • Soft Graphite
1.4462 Duplex 2205 Poppet Check Valve Thread Types
  • UNF
  • BSPP
  • BSPT
  • NPT
End connections of Inox Duplex 2205 Spring Check Valve
  • Butt Welded
  • RTJ
  • RF
  • FF

Refer Standrads of DIN 1.4462 Spring Check Valve

Duplex Dual Plate Check Valve Standards

Face to Face Dimensions
  • ANSI B16.10
  • BS EN558-1
  • DIN3202
  • API 6D
Buttweld End Dimensions ANSI B16.25
Manufacture Standard
  • API 6D
  • ANSI B16.34
  • BS EN 1868
  • DIN 3840
Flange End Dimensions
  • DIN 2543
  • ANSI B16.5
  • BS EN 1092-1
Inspection
  • BS EN 12569
  • API6D
  • API598
  • DIN3230
Alloy 2205 Piston Check Valve controls flow of media in a piping system to one direction

ASTM A890 Plate Check Valve Size Chart

Valves Size in Inch Cracking Pressure (psi) Type Weight (lbs)
1/2 5.0 NPT 1.0
1/2 0.25 Socket Weld 1.0
1 0.25 Socket Weld 2.3
3/4 0.25 NPT 1.5
3/4 5.0 NPT 1.5
3 0.25 Socket Weld 21
3/4 0.25 Socket Weld 1.5
1/2 0.25 NPT 1.0
3/4 5.0 Socket Weld 1.5
1 0.25 NPT 2.3
1 5.0 NPT 2.3
1 5.0 Socket Weld 2.3
1/2 5.0 Socket Weld 1.0
1 1/4 0.25 NPT 3.5
1 1/4 5.0 NPT 3.5
2 5.0 Socket Weld 8.5
1 1/4 0.25 Socket Weld 3.5
1 1/4 5.0 Socket Weld 3.5
1 1/2 0.25 NPT 5.3
1 1/2 5.0 NPT 5.3
2 5.0 NPT 8.5
1 1/2 0.25 Socket Weld 5.3
1 1/2 5.0 Socket Weld 5.3
1 1/2 0.00 NPT 5.3
2 0.25 NPT 8.5
2 0.25 Socket Weld 8.5
3 0.25 NPT 21
3 5.0 NPT 21
3 5.0 Socket Weld 21
ASTM A890 GR.CE3MN Poppet Check Valve has pressure rating of upto 5,000 PSI

Duplex Check Valve Dimension

Pressure Rating at 100°F (37°C)
psig (bar)		 End Connections Dimensions
in .0 (mm)		 Series
Size Type B A
4600 (316) 1/2 in .0 Female SAE/MS  1 2 .074 (69 .06)  CH8
4600 (316) 1/2 in .0 Male SAE/MS 2 .048 (63 .00)
 6000 (413) 6 mm  Metric tube fitting 11/16 2 .043 (61 .07) CH4
8 mm  1 2 .070 (68 .06)  CH8
10 mm 2 .080 (71 .01)
12 mm 2 .096 (75 .02)
4900 (337) 22 mm  1 5/8 3 .048 (88 .04)  CH16
4600 (316) 25 mm 3 .088 (98 .06)
6000 (413) 1/4 in .0  Female NPT 11/16 2 .013 (54 .01) CH4
5300 (365) 3/8 in .0 1 2 .055 (64 .08)  CH8
4900 (337) 1/2 in .0 1 1/16 3 .003 (77 .00)
4600 (316) 3/4 in .0  1 5/8 3 .023 (82 .00)  CH16
4400 (303) 1 in .0 3 .083 (97 .03)
 6000 (413) 1/8 in .0  Fractional tube fitting  11/16 2 .027 (57 .07)  CH4
1/4 in .0 2 .043 (61 .07)
3/8 in .0  1 2 .075 (69 .09)  CH8
1/2 in .0 2 .096 (75 .02)
5000 (344) 3/4 in .0  1 5/8 3 .052 (89 .04)  CH16
4700 (323) 1 in .0 3 .088 (98 .06)
 6000 (413) 1/8 in .0  Male NPT  11/16 1 .079 (45 .05)  CH4
1/4 in .0 2 .017 (55 .01)
3/8 in .0  1 2 .036 (59 .09)  CH8
1/2 in .0 2 .073 (69 .03)
 5000 (344) 3/4 in .0  1 5/8 3 .029 (83 .06)  CH16
1 in .0 3 .067 (93 .02)
 6000 (413) 1/4 in .0  Male ISO➀ 11/16 2 .017 (55 .01) CH4
1/2 in .0 1 2 .073 (69 .03) CH8
 5000 (344) 3/4 in .0  1 5/8 3 .029 (83 .06)  CH16
1 in .0 3 .067 (93 .02)
6000 (413) 1/4 in .0  Female ISO➀ 11/16 2 .028 (57 .09) CH4
5100 (351) 1/2 in .0 1 1/16 3 .029 (83 .06) CH8
4800 (330) 3/4 in .0  1 5/8 3 .055 (90 .02)  CH16
4400 (303) 1 in .0 3 .083 (97 .03)
 6000 (413) 1/4 in .0  Male VCO fitting 11/16 1 .098 (50 .03) CH4
1/2 in .0 1 2 .035 (59 .07) CH8
 5000 (344) 3/4 in .0  1 5/8  2 .090 (73 .07)  CH16
1 in .0
6000 (413) 1/4 in .0  Male VCR fitting 11/16 2 .028 (57 .09) CH4
4300 (296) 1/2 in .0 1 2 .073 (69 .03) CH8
3700 (254) 3/4 in .0 1 5/8 3 .078 (96 .00) CH16

SAF 2205 Check Valve Dimension Chart

Nominal Pipe Size G d D C H L f T N M Weight (lb)
6 8.05 6 10.098 9.051 10.075 14 0.006 1.002 8 0.087 163.01
2 3.062 2 5.098 4.074 5.039 8 0.006 0.063 4 0.075 37.05
12 15 12 19.002 17.001 18.054 27.05 0.006 1.026 12 0.098 621.07
3 5 3 7.048 6 6.034 9.05 0.006 0.075 4 0.075 63.09
10 12.076 10 15.098 14.025 15.087 24.05 0.006 1.022 12 0.098 390.02
4 6.018 4 9.002 7.05 9.002 11.05 0.006 0.094 8 0.075 92.06
2-1/2 4.013 2.05 7.001 5.049 5.087 8.05 0.006 0.071 4 0.075 50.07
8 10.063 8 13.05 11.075 13.043 19.05 0.006 1.014 8 0.087 238.01

Different Types of Duplex Check Valves

  • Pneumatic Check Valves
  • Ball check valves
  • Swing Check Valves
  • Silent Check Valves
  • Lift Check Valves
  • Diaphragm Check Valves
  • Tilting Disc Check Valve
  • Duckbill Check Valves
  • Foot Check Valves
  • butterfly check valve
  • Wafer Check Valves

Duplex Check Valve Types

Duplex 2205 Check Valve

Duplex 2205 Check Valve

UNS S32205 Hydraulic Check Valve

UNS S32205 Hydraulic Check Valve

ASTM A890 Plate Check Valve

ASTM A890 Plate Check Valve

UNS S31803 Compression Check Valve

UNS S31803 Compression Check Valve

Duplex Check Valve

Duplex Check Valve

A995 GR 1B Hydraulic One Way Valve

A995 GR 1B Hydraulic One Way Valve

Duplex Steel Wafer Check Valve

Duplex Steel Wafer Check Valve

Duplex Stainless Steel Check Valve

Duplex Stainless Steel Check Valve

Duplex Swing Check Valve

Duplex Swing Check Valve

Duplex Swing Check Valve Chemical Composition

Grade Molybdenum Carbon Manganese Nitrogen Sulphur Silicon Phosphorous Nickel Chromium Iron
S32205 2.50 – 3.50 0.030 2 0.8 – 0.20 0.020 1 0.030 4.50 – 6.50 21.0 – 23.0 63.54
S31803 3.0 – 3.5 0.030 2 0.14 – 0.20 0.020 1 0.030 4.50 – 6.50 22.0 – 23.0 63.72

A995 GR 1B Hydraulic One Way Valve Mechanical Properties

Grade UTS (MPa) Hardness Yield Strength Elongation
2205 655 293 450 25
31803 620 293 450 25

Duplex Steel Wafer Check Valve Equivalent

Standard Unified Numbering System Werkstoff Nr.
Duplex 2205

UNS S31803 / UNS S32205

 1.4462 / 1.4462

CE3MN Hydraulic One Way Check Valve Application

  • Oil well industry
  • Marine and Ship Building Industries
  • Seawater Application
  • Power plants
  • Petroleum Refineries and Petrochemicals
  • Oil and Gas Industries
  • Desalination process Application
  • Chemical Industries.
  • Offshore Industries
  • Marine Application

Testing Methods Followed By Duplex Check Valve Manufacturers

  • Cryogenic Testing
  • Pneumatic Testing
  • Low Temperature Testing
  • Cycle Testing
  • Type-Acceptance Testing
  • High Pressure Gas Testing
  • Fugitive Emission Testing
  • Vacuum Testing
  • Hydrostatic Testing