Carbon Steel Gate Valve
The carbon steel gate valve is within the gate valve scope, differing only in material. Its material is carbon steel, and the opening and closing part is the gate plate. The movement direction of the gate plate is perpendicular to the fluid direction. It can only be fully opened or fully closed, and cannot be used for regulation or throttling.
The carbon steel gate valve according to the configuration of the sealing surface can be classified into the wedge gate valve and the parallel gate valve. The two sealing surfaces of the wedge gate valve form a wedge shape, and the wedge angle varies with the valve parameters. Among them, the gate plate of the wedge gate valve can be made into a whole, which is called a rigid gate plate; it can also be made like that can produce a slight deformation to improve its workability and make up for the deviation of the sealing surface angle during the processing. This kind of gate plate is called an elastic gate plate. The wedge gate valve can be divided into: single gate plate type, double gate plate type and elastic gate plate type; the parallel gate valve can be divided into single gate plate type and double gate plate type. According to the position of the thread of the valve stem, it can be divided into two types: the rising stem gate valve and the non-rising stem gate valve.
Main features of the carbon steel gate valve.
- The carbon steel material is imported through strict chemical analysis and mechanical analysis. ASTM A216 WCB has tensile strength of 485~655 mpa, yield point more than 250 mpa, elongation more than 22%, section shrinkage more than 35%;
- Our carbon steel gate valve has a thrust bearing design on the stem nut for ease and flexibility during valve opening;
- Our carbon steel gate valve is designed with a sealed structure on the upper end of the bonnet, which allows the maintenance personnel to safely replace the packing during maintenance without causing leakage, thus preventing more serious leakage risk caused by the replacement of the packing;
- In the opening or closing process of the valve, the wedge is always fixed in the guide rail of the valve body. If there is no guide rail of the valve body, the gate will get stuck in the opening or closing process and become unusable.
- Seat face alloy hard-faced, ground and lapped to a mirror finish;
- Flexible wedge with low center stem wedge contact, in solid CA15 (13Cr)or hard-faced with 13Cr, SS 316, Monel, or alloy. The wedge is ground and lapped to a mirror finish and tightly guided to prevent dragging and seat damage. alloy hard-faced CF8M wedge is also available;
- Non-rotating stem with precision Acme threads and burnished finish. Double Acme for faster operation;
- Body and bonnet joint accurately machined;
- Body and bonnet castings are precision machined. One-piece bonnet up to NPS 12 (DN 300) for better alignment and fewer parts;
- Optional locking device or stem extension;
- Optional direct mounting to ISO 5211.
Specifications
| SIZES | 2″ – 48″ |
| PRESSURES | 150# – 2500# |
| MATERIAL GRADES | WCB, WCC, LCB, LCC etc. |
| END CONNECTION | RF, RTJ, BW, etc. |
| TRIM MATERIALS | TRIM 5, 8, 12, 16 & Special Materials |
| OPERATION | Hand wheel, Gear Box, Electric Actuator, Pneumatic Actuator, etc. |
| OPTIONS | NACE, Bevel Gears, Actuation Ready Mounting Pads, Thermal Relief DTR Systems, Double Lead Stem for Quick Run Time |
| FEATURES | OS&Y, Rising Stem, Flexible Wedge, Bolted Bonnet, Packing & Gasket (Low Fugitive Emission) *Also available in our Contractor Series 2”-12” |
Valve Shell Material
| ASTM Specification | Material Designation | Working Temperature ℃ |
| A216 WCB / A216 WCC | Carbon Steel | 538 Maximum |
| A217 WC1 | C – 1/2 Mo | 538 Maximum |
| A217 WC6 | 1 1/4 Cr- 1/2 Mo | 593 Maximum |
| A217 WC9 | 2 1/4 Cr – 1 Mo | 593 Maximum |
| A217 C5 | 5Cr – 1/2 Mo | 649 Maximum |
| A217 C12 | 9Cr – 1 Mo | 649 Maximum |
| A352 LCB | Carbon Steel | -46 Minimum |
| A352 LCC | Carbon Steel | -46 Minimum |
| A352 LC1 | C – 1/2 Mo | -59 Minimum |
| A352 LC2 | 2 1/2 Ni – 100 | -73 Minimum |
| A352 LC3 | 3 1/2 Ni – 150 | -101 Minimum |
The data is for reference only, please consult sales@wayvalve.com for details.
The application of carbon steel gate valve.
The carbon steel gate valve is a key component in industrial pipelines, which is used to cut off or connect the media in the pipelines, such as water, steam, oil products, etc. It is suitable for a wide range of working environments and is applied in various fields, from petroleum and chemical industry to power and mining industries. For example:
- Ash removal in power plants – It is used for ash residue slurry.
- Mining and steel industry – It is used for coal, filter residue slurry, etc.
- Purification devices – It is used for wastewater, slurry, sewage and clarified water with suspended substances.
- Papermaking industry – It is used for paper pulp and stock water mixtures at any concentration.
What is the best metal for valves?
There is no “best” metal for valves as it depends on various factors. For general applications, stainless steel is popular due to its corrosion resistance, strength, and durability. Carbon steel is cost-effective and suitable for non-corrosive environments. In high-temperature and high-pressure scenarios, alloys like Inconel are preferred for their excellent heat and pressure resistance. For valves handling corrosive fluids, metals like titanium or Hastelloy are often the best choices as they offer superior resistance to chemical attack.
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