Cast Steel Valves
Cast Steel Gate Valves
Full range of Cast Steel Gate Valves to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1868 / BS1873
- Standards to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1873 / BS1868
- Size range 2” to 48”
- ANSI Class 150 to 2500
- Carbon Steel, Low Temp Carbon Steel and Stainless Steel available from stock
- Other materials including Alloy and Duplex Steels upon request
- Special designs including High Temp and Cryogenic valves also available
- By Pass, Locking Devices, Lever & Weight,
| Cast Gate Valves ANSI Ratings: | |||||
| 150LB | 300LB | 600LB | 900LB | 1500LB | 2500LB |
| 2″ – 48″ | 2″ – 48″ | 2″ – 48″ | 2″ – 24″ | 2″ – 24″ | 2″ – 24″ |
| Materials: | WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF3, CF8M, CF3M, CN7M, CF8C, A890-4A, A890-5A, A890-6A | ||||
| Design: | BS1873, ANSI B16.34 | ||||
| Testing: | API 598 / ISO 5208 | ||||
| End Connections: | RF, RTJ OR BUTT WELD | ||||

Cast Steel Globe Valves
Full range of Cast Steel Globe Valves to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1868 / BS1873
- Standards to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1873 / BS1868
- Size range 2” to 48”
- ANSI Class 150 to 2500
- Carbon Steel, Low Temp Carbon Steel and Stainless Steel available from stock
- Other materials including Alloy and Duplex Steels upon request
- Special designs including High Temp and Cryogenic valves also available
- By Pass, Locking Devices, Lever & Weight,
| Cast Globe Valves ANSI Ratings: | |||||
| 150LB | 300LB | 600LB | 900LB | 1500LB | 2500LB |
| 2″ – 16″ | 2″ – 16″ | 2″ – 16″ | 2″ – 16″ | 2″ – 12″ | 2″ – 12″ |
| Materials: | WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF3, CF8M, CF3M, CN7M, CF8C, A890-4A, A890-5A, A890-6A | ||||
| Design: | API 600, EN ISO 10434, API 603, ANSI B16.34 | ||||
| Testing: | API 598 / ISO 5208 | ||||
| End Connections: | RF, RTJ OR BUTT WELD | ||||

Cast Steel Check Valves
Full range of Cast Steel Check Valves to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1868 / BS1873
- Standards to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1873 / BS1868
- Size range 2” to 48”
- ANSI Class 150 to 2500
- Carbon Steel, Low Temp Carbon Steel and Stainless Steel available from stock
- Other materials including Alloy and Duplex Steels upon request
- Special designs including High Temp and Cryogenic valves also available
- By Pass, Locking Devices, Lever & Weight,
| Cast Check Valves ANSI Ratings: | |||||
| 150LB | 300LB | 600LB | 900LB | 1500LB | 2500LB |
| 2″ – 48″ | 2″ – 48″ | 2″ – 48″ | 2″ – 24″ | 2″ – 20″ | 2″ – 20″ |
| Materials: | WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF3, CF8M, CF3M, CN7M, CF8C, A890-4A, A890-5A, A890-6A | ||||
| Design: | BS1868, ANSI B16.34 | ||||
| Testing: | API 598 / ISO 5208 | ||||
| End Connections: | RF, RTJ OR BUTT WELD | ||||

Wafer Check Valves
Full range of Butterfly Valves to API 594 / BS7438 / EN 558.2
- Size range ½” to 24”
- Dual Plate / Wafer Swing / Sprung Disc
- Up to ANSI Class 600, PN10 to PN40
- Carbon Steel, Low Temp Carbon Steel, and Stainless Steel
- Other material grades including Alloy and Duplex Steels upon request
- Additional Testing RT, MT, DP, PMI Ect and Special Metallurgy available
| Materials: | Cast Iron, Ductile Iron, WCB, LCB, LCC, CF8M, CF3M, |
| Design: | API 594 / BS7438 / EN 558.2 Serrated RF ,Butt Weld, Hub Type Metal or Soft Seat Design |
| Design Options: | Wafer Pattern, lugged & Tapped, Through Drilled, Double Flanged. |
| Materials: | WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF3, CF8M, CF3M, CN7M, CF8C, A890-4A, A890-5A, A890-6A | ||||
| Design: | BS1873, ANSI B16.34 | ||||
| Testing: | API 598 / ISO 5208 | ||||
| End Connections: | RF, RTJ OR BUTT WELD | ||||

Cast Steel Valves from John Clark Valves
Cast steel valves are essential components in various industrial applications, offering durability and reliability under demanding conditions. Their robust construction makes them suitable for handling high-temperature and high-pressure environments, ensuring efficient flow control of fluids such as air, gas, oil, and water. Industries commonly utilising these valves include oil and gas, chemical processing, power generation, and water treatment.
A notable type within this category is the cast steel globe valve, designed for precise regulation of flow. These valves feature a movable disc that allows operators to control fluid flow accurately, making them ideal for applications requiring throttling. The design ensures minimal leakage and reliable operation, even in high-temperature settings.
Seal-welded cast steel valves provide enhanced leak prevention, a critical feature in industries where fluid containment is paramount. The welding process creates a robust seal, preventing leaks and ensuring the integrity of the flow system. This design is particularly beneficial in handling hazardous or high-pressure fluids, offering an extra layer of safety and reliability.
The versatility of cast steel valves is evident in their wide range of applications. They are commonly used in systems transporting air, gas, oil, and water, effectively managing flow and pressure. Their ability to withstand high temperatures and pressures makes them indispensable in industries such as petrochemical, power generation, and water treatment, where maintaining control over fluid dynamics is crucial.

FAQs:
Cast steel valves are commonly used in industries such as oil and gas, chemical processing, power generation, and water treatment. They effectively manage the flow and pressure of various fluids, including air, gas, oil, and water.
Seal-welded cast steel valves provide a robust seal through welding, preventing leaks and ensuring the integrity of the flow system. This design is particularly beneficial in handling hazardous or high-pressure fluids, offering enhanced safety and reliability.
Globe valves allow precise regulation of fluid flow, making them ideal for applications requiring throttling. Their design ensures minimal leakage and reliable operation, even in high-temperature settings.
Cast steel valves are designed to withstand high temperatures and pressures, making them suitable for demanding industrial environments. Their robust construction ensures durability and reliable performance under extreme conditions.