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Valvetech » Products » Check Valves » Cast Iron Swing Check Valve

Cast Iron Swing Check Valve

Swing Check Valve

Application

The Cast Iron Swing Check Valve consists of a hinged disc that swings open when the fluid or media flows in the forward direction, allowing uninterrupted flow. When the flow reverses, the disc quickly closes preventing any backflow and maintaining system integrity. This design feature makes it ideal for applications where backflow prevention is critical, such as in water supply systems, sewage treatment plants, and industrial processes.

One of the key advantages of the cast iron swing check valve flanged is its material strength. Cast iron is renowned for its durability and resistance to high temperatures and pressures, making it suitable for demanding environments. Cast iron also provides excellent corrosion resistance, ensuring the valve’s longevity and reducing maintenance requirements. Its robust construction, durability, and versatility make it a reliable choice for ensuring pipelines’ smooth operation and efficiency.

Recommended: For Pricing, Availability,  Advantages, Disadvantages, and Common Industry Uses, see Valvetech Check Valves

Diagram

Ductile Iron Swing Check Valve Diagram
# Part Material
1 Bonnet ASTM A126 B
2 Bolts and Nuts ASTM A307 B / ASTM A536
3 Middel Gasket Graphite and Steel
4 Pin ASTM A276 420
5 Arm ASTM A216 WCB
6 Bolts and Nuts ASTM A307 B / ASTM A536
7 Disc Seal Face 13Cr
8 Disc ASTM A126 B
9 Seal Seat RIngs 13Cr
10 Body ASTM A126 B

Dimensions

All measurements listed are expressed in millimetres, unless otherwise noted. Product weight is represented in kilograms. DN size is provided in millimetres and NPS size is given in inches. These values correspond to the diagram label and its associated part.

NPSDNLøDøD1CHKg
2502031521201611711
2.5652161781391812714
3802411911521914519
41002922291902416132
51253302542162419048
61503562792412524859
820049534329829303107
1025062240636230365171
1230069848343232410245
1435078753347635533461

P/T Ratings

Valvetech’s Pressure/Temperature Ratings according to ANSI B16.10

Temperature ° Celsius -10°C to +65°C 100°C 120°C 140°C 150°C 160°C 200°C 230°C
Pressure Bar 13.8 12.7 12.1 11.6 11.4 10.8 9.8 8.6

Other Products

Ductile Iron Swing Check
Valve Flanged VT493N

Weight: 11kg – 235kg

Sizes: DN 50 – 350

Class: 150

Pressure: PN16

Temperatures: -10°C to 400°C

Cast Iron Wafer
Check Valve R16

Weight: 1.5kg – 172kg

Sizes: DN 50 – 600

Class: 150

Pressure: PN16

Temperatures: -10°C to 120°C

Specifications

Models

VT493

Body Material

Iron Grade

Trim

13 Chrome

Drill Tables

Table 10, 16, D, ASA150

For Drill Table Specifications, see Valvetech Drill Table

Standards

Design Standard MSS SP-70

Flanges conform to ANSI B16.1

Face to Face conform to ANSI B16.10

Hydrostatically tested to BS 5150

Shell Test Water 350 PSIG 2.41Mpa

Seat Test: Water 200 PSIG 1.38Mpa

Services

Water, Oil, Gas

Industries

Petrochemicals and Petroleum, Refineries, Primary Energy, Agriculture, Water Works, HVAC

Priority Media

Acetylene, Borax, Castor Oil, Caustic Soda, Detergents, Diethylene Glycol, Gasoline, Hydraulic Oil, Linseed Oil, Methyl Acetone, Nitrogen, Oxygen, Mercury, Propane Gas, Sodium Sulphate

For full Check list, see Media Compatibility Table

Inventory Code and Description

CISWING

CI SWING CHECK 13CR SS TRIM FLANGED

Cast Iron Swing Check 13 Chrome Stainless

Steel Trim Flanged

Also Known As

Check Valve

Non-Return Valve

Stop Valve

One-Way Valve

Download

Please click the following PDF icon to download this specification sheet

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