Check Valves

Check Valves : Series - CV09

FEATURES

  • Available in SS316, all wetted parts in accordance with NACE MR01-75
  • Heat Code Traceable to certified material test report
  • Instant shut off in upstream condition
  • Unidirectional flow control
  • Bonded poppet design ensure improved crack and reseal performance
  • The cracking pressure from 1 to 50 psig (0.07 to 3.4 bar)
  • Variety of end configuration includes SEALEXCEL® Well-Lok™ Tube Fittings, Male / Female NPT, BSPT and BSPP pipe connection
  • Every valve is factory tested.

OPERATING PARAMETERS

  • Pressure Rating : upto 6000 psig (413 bar) at CWP
  • Temperature Rating : upto 198°C with Viton® O-Ring

APPLICATION

  • Gas
  • Liquid
  • Fluid handling

MATERIAL OF CONSTRUCTIONS

No. Component Material
1 Inlet Body SS316
2 Bonded Poppet SS316
3 Pusher SS316
4 ‘O’ Ring Viton®
5 Backup Ring PTFE
6 Spring SS302
7 Outlet Body SS316

TECHNICAL DATA

Connection Sizes Max. Flow Coefficient (Cv) Nominal Cracking Pressure psi (bar) Back Pressure at 70°F (20°C) psi (bar)
1/8, 1/4, 6mm 0.67 1/3, 1, 5, 10 & 25 6000 (413
3/8, 1/2, 8-12mm 1.80 (0.02, 0.06, 0.34, 5000 (344)
3/4,1,22mm,25mm 4.7 0.68, and 7.1)

CRACKING AND RESEAL PRESSURE

Nominal Cracking Pressure psi (bar)   Cracking Pressure Range psi (bar)     Reseal Pressure
1/3 (0.02) Up to 3 (0.2) Up to 6 (90.4) back pressure
1 (0.06) Up to 4 (0.27) Up to 4 (0.27) back pressure
5 (0.34) 3 to 9 (0.20 to 0.62) Up to 2 (0.13) back pressure
10 (0.68) 7 to 15 (0.48 to 1.0) 3 (0.2) or more inlet pressure
25 (1.7) 20 to 30 (1.3 to 2.0) 17 (1.1) or more inlet pressure

RESEAL PRESSURE

The differential pressure between the outlet and inlet, at which no flow is passing through the valve.

CRACKING PRESSURE

The differential pressure between the outlet and inlet, at which an initial flow is passing through the valve.

O-RINGS

  O-Ring Material   Temperature Rating OF(OC)
Buna - N -10 to 250 (-23 to 121)
EPDM -70 to 250 (-55 to 121)
Vitonâ  (Fluorocarbon) -10 to 350 (-23 to 191)

TESTING

  • Standard Test : Each valve is factory tested with nitrogen gas at 1000 psig (69 bar) for leakage at the seat and packing.
  • Optional Hydrostatic test : This test is performed with de-ionised water at 1.5 time the working pressure.

STANDARD CONFIGURATION DIMENSIONS

  End Connections   Pressure Rating psig (bar) Dimensions (mm)   Ordering Number
  Inlet   Outlet   L   A/F
1/8" Well-Lok 6000 (413) 57.7 17.4 CV09-TT2
1/4" Well-Lok 6000 (413) 61.7 17.4 CV09-TT4
3/8" Well-Lok 6000 (413) 69.9 25.4 CV09-TT6
1/2" Well-Lok 6000 (413) 75.2 25.4 CV09-TT8
3/4" Well-Lok 5000 (344) 89.4 41.3 CV09-TT12
1" Well-Lok 4600 (316) 98.5 41.3 CV09-TT16
6 mm Well-Lok 6000 (413) 61.8 17.4 CV09-TT6M
8 mm Well-Lok 6000 (413) 68.5 25.4 CV09-TT8M
10 mm Well-Lok 6000 (413) 71.1 25.4 CV09-TT10M
12 mm Well-Lok 6000 (413) 75.2 25.4 CV09-TT12M
22 mm Well-Lok 4900 (337) 88.4 41.3 CV09-TT22M
25 mm Well-Lok 4600 (316) 98.6 41.3 CV09-TT25M
1/4" Female NPT 6000 (413) 54.1 17.4 CV09-F4N
3/8" Female NPT 5300 (365) 64.8 25.4 CV09-F6N
1/2" Female NPT 4900 (337) 83.6 27.0 CV09-F8N
3/4" Female NPT 4600 (316) 90.1 41.3 CV09-F12N
1" Female NPT 4400 (303) 97.3 41.3 CV09-F16N
1/8" Male NPT 6000 (413) 45.5 17.4 CV09-M2N
1/4" Male NPT 6000 (413) 55.1 17.4 CV09-M4N
3/8" Male NPT 6000 (413) 59.9 25.4 CV09-M6N
1/2" Male NPT 6000 (413) 69.3 25.4 CV09-M8N
3/4" Male NPT 5000 (344) 83.6 41.3 CV09-M12N
1" Male NPT 5000 (344) 93.2 41.3 CV09-M16N
Dimensions shown with SEALEXCEL® Well-Lok™ Nut are finger tight

Every unit, fitting and valve has an important role to play in an industrial setting, and if even one unit lacks in quality or precision, it can pose a great risk to the smooth efficiency and safety of the operating environment. That is why, we at Sealexcel offer you precision quality check valves and other industrial units which ensure durability and service at all times.

We have been serving as check valve manufacturers and suppliers for decades in the industry and offer our standard quality products for a range of applications. We never compromise on quality and only offer units which are a source of pride, manufactured as per the state of the art design and updated features.

If you want reliable products for industrial use, Sealexcel is the one you can trust!

 

Key Features of Our Stainless Steel Check Valve

Our products are unique and in accordance with the stringent quality standards as dictated by the ISO 9001:2008 standard procedures. We ensure compliance at all levels, and are check valve suppliers who manufacture products which are duly checked in specific lab testing facilities, before being supplied to customers. The key features of our instrumentation check valves are,

Units come with a heat code traceable option which ensures certification of material test report.

Each valve unit is subject to stringent lab testing procedures before supply to customers for use in industrial setting.

The units are available in a wide and useful variety of end configurations, which include the male/female NPT, the BSPP pipe connection, Well-Lok tube fittings and the BSPT.

The check valves are designed with a range of strict operating parameters which include a pressure system rating of up to 3000 PSIG. This is 205 bar at the CWP.

The temperature rating of the check valves as per its operating parameters includes up to 198°C, along with the Viton® O Ring.

The units are available in a SS316 material, with wetted parts that are designed in accordance with the NACE MR01-75.

The check valve units have been designed to withstand a cracking pressure of about 1 to around 25 PSIG.

The units have been designed with an instant shut off feature in any upstream condition.

These non return check valves are designed for use in a variety of industrial settings and environments, which include options like liquid, gas and fluid system handling. Choose the Sealexcel check valves to ensure the safety of your system cylinders, and also maintain gas quality during changeovers. Click here to browse through our end connection and check valve dimension options details.

You can also look through our high pressure check valve catalogue to choose the unit you need.