Rising stem Gate valve manufacturer in India Specialityvalve is the most trusted Rising stem gate valve manufacturer in India. Rising stem gate valves have threads that are located on the exterior of the valve body. The gate valve's stem rises when the valve opens. Rising stem valves are often made of cast or forged steel, while non-rising stem valves are typically made of brass, bronze, or cast iron. A rising stem gate valve's amount of exposed stem makes it straightforward to tell whether the valve is open or closed. Gate valve: Gate valves can be put above ground or underground and are often utilised for numerous applications. For underground installations in particular, choosing the right kind of valve is essential to lowering the possibility of high replacement expenses. Depending on the use, gate valves can be fully opened or completely closed. Because they are put in pipelines as isolating valves, they should not be used as control or regulating valves. The stem of a gate valve is rotated either clockwise to close (CTC) or counterclockwise to open (CTC) (CTO). As the valve stem is turned, the gate moves up or down on the threaded portion of the stem. Difference between rising stem gate valve and non rising stem gate valve: Rising stems provide for the lubrication of the stem and offer a visual indication of the position of the valve. They are attached to the gate and rise and fall together as the valve is opened and closed. A nut that revolves around the threaded stem moves it. Only aboveground installations of this nature should be made. By use of non-rising stems that are fitted into the gate, the wedge inside the valve spins. They take up less vertical space since the valve stem is kept inside the valve body. Gate valves with a valve position indicator factory-mounted on the top of the stem are available from SpecialityValve. Gate valves with non-rising stems are appropriate for both above-ground and underground applications. Advantages: 1. It's easy to open and shut. 2. The surface is sealed by mild fluid resistance, moderate erosion, and erosion. 3. There is no pressure loss, no turbulence, and no restriction of the medium flow. 4. The sealing surface is easily scraped and damaged, which makes maintenance challenging. 5. A bigger building requires more space and a longer opening period. Industries that use rising stem gate valve: 1. Paper Industry 2. Chemical Industry 3. Mining Industry 4. Power Industry Description: Available Materials: Cast iron, Cast steel (WCB, WC6, LCB, WCC, LCC, WC9), Ductile iron, SS304, SS316 Class: PN10 to PN 450 ANSI 150 to 2500 Size: 1/2’’to 64’’ Ends: Socket weld, Butt weld, Flanged, Threaded Operations: Handwheel Operated, Gear Operated, Electric Actuated, Pneumatic Actuated Visit - https://www.specialityvalve.com/product-category/rising-stem-gate-valve/ Pneumatic knife gate valve manufacturer in India Specialityvalve is well known Pneumatic knife gate valve manufacturer in India. Pneumatic knife gate valve can be operated by electric actuator, pneumatic cylinder and hydraulic actuator. This valve in unidirectional and bidirectional design in manual and pneumatic options. Pneumatic knife gate valve are designed for tough applications. They features asingle piece full port cast stainless steel body fully lugged and is very robust in the construction. This caters to the extreme demanding applications and ensure minimal pressure drop and greater flow capacity. Pneumatic knife gate valve is made of stainless steel and other superior alloy which connected with super surface finish on both the sides of gate to assure positive shut off. The machine the valve and highly finished gland pockets ensures perfect stem seal and a leak proof gland packing. Parts of Pneumatic Knife Gate Valve: • BODY: Pneumatic knife gate valve body is one piece solid, rugged, heavy duty casting and flanged. The valve’s design ensures minimum contact between the internal trim parts of valve, which reduce wear and tear. • KNIFE GATE: Pneumatic knife gate valve has thicker knife gate to eliminate distortion under maximum pressure, also to provide tight sealing. • STEM: Pneumatic knife gate valve has stainless steel gate which is corossion resistance that assures easy, smooth and long-life operations and dependable services. • GLAND PACKING: Pneumatic knife gate valve has smooth fully machined packing, cast gland follower, multiple packing and true leveling provide uniform compression and gives zero leakage from gland portion. • SEAT OPTIONS: Pneumatic knife gate valve comes with both integral and renewable type of seats. So that we can supply a replaceable seat for highly abrasive applications. Types of Pneumatic knife gate valve: • Bidirectional Pneumatic knife gate valve • Unidirectional Pneumatic knife gate valve Pneumatic knife gate valve is used in industries like: • Water treatment industry • Energy industry • Power industry • Chemical industry Advantages of Pneumatic knife gate valve: • It is designed for easy, quick convertion between manual and pneumatic actuation. • It has clavis design and horizontal bolting stabilizes gate ensuring proper alignment • It has energized quad seal packing for enhanced gland sealing Description: Body Material: Cast steel (WCB, WC6, WCC, LCB, LCC), Stainless steel( SS316, SS304), Carbon steel, Gray cast iron Class: 150 to 2500 Pressure: PN6 to PN40 Size: 2” to 40” End: Buttweld, Socketweld, Threaded, Flanged Operation: Pneumatic actuated Pneumatic Actuator details- • Torque – 3 – 9000 nm • Operating pressure- 8 Bar • Port Connection-NPT1.4” • Mounting Base-ISO5211 • Temperature--20°C - +80°C Visit: https://www.specialityvalve.com/product-category/pneumatic-knife-gate-valve/
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