CS 30-31 Safety Valve
The CS30-31 safety valve from Carraro features a compact design, with Type 30 for air, steam, and non-hazardous gases, and Type 31 for liquids, hazardous vapors, and gases. Both types are available with an optional cap or handle.
The key benefits for you are:
For sales or commercial inquiries please contact us at marine@insatech.com.
The CS safety valves are designed for precision and reliability, ensuring a high level of safety for steam boilers, pressure vessels, and industrial or marine installations.
A key advantage is their ability to operate with minimal overpressure, allowing for multiple valves on the same system to have different set pressures while remaining within the 10% overpressure limit permitted by boiler regulations. This ensures that only the necessary valves open during operation, enhancing efficiency.
The CS 30-31 safety valves from the CS series has several benefits. See some of them listed below:
The CS safety valves play a critical role in various sectors ensuring precise flow and pressure management in a range of applications such as:
The various industries which the valves are suitable includes, but is not excluded to:
The small blowdown of CS safety valves allows the working pressure to stay close to the set pressure, minimizing fluid discharge while maintaining stable operating conditions.
This design helps to re-establish normal working conditions quickly, reducing waste and improving system performance.
The CS series is approved by the Italian standards institute ISPESL, further guaranteeing their quality and safety.
The CS valves series has several parts, we have listed them for the CS 30 threaded below (and see the drawing):
1 - Body-Seat (*)
2 - Adjusing ring (*)
3 - Adj. ring screw (*)
4 - Disc holder
5 - Yoke
6 - Guide
7 - Spindle (*)
8 - Piston
9 - Spindle ring (*)
10 - Piston
11 - Spring
12 - Upper washer
13 - Adjusing screw
14 - Adj. screw nut
15 - Spindle nut
16 - Lock nut
17 - Cap
18 - Cap
19 - Cap
20 - Cap screw
21 - Lever
22 - Lever pin
23 - Split pin
24 - Cap gasket (*)
25 - Lever shat
26 - Lever sleeve
27 - Lever shat gasket (*)
28 - Lever
29 - Lever pin
30 - Eductor tube
31 - Drain plug
32 - Disc gasket (*)
33 - Disc screw (*)
34 - Washer (*)
35 - Washer screws (*)
36 - screws gasket (*)
37 - seat gasket (*)
38 - Disc (*)
39 - Disc (*)
(*) Is the recommended spare parts.
Carraro has introduced advanced solutions to enhance the performance of the CS 30-31 safety valves. The newly redesigned disc offers several key benefits:
These upgraded discs are available for all orifices and are included in new products as well as retrofitted to existing valves during maintenance.
| Technical Specifications | |||||||||||||||||||
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| Function | On / off (POP action) |
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| Size |
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| Connection |
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| Pressure step | Max ANSI 600, PN 16 - 100 |
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| Materials | Steel or stainless steel |
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| Trim material | Stainless steel (standard) |
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| Set pressure | From 0.35 to 70 bar(g) |
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| Inlet pressure | Max Depending on orifice (opening) |
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| Temperature |
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If you are looking for some specific material, please write to us. Then we will try to find it for you, and send it as soon as possible.
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