Seatless And Glandless Piston Valve

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MOQ : 5 Units

Seatless And Glandless Piston Valve Specification

Structure
Piston Type, Seatless & Glandless

Material
Stainless Steel, Cast Iron, Carbon Steel

Power
Manual

Pressure
High Pressure, Up to 40 bar

Media
Water, Gas, Oil, Steam

Working Temperature
-10C to 220C

Port Size
1/2 inch to 6 inch

Surface
Polished/Coated

Shape
Straight

Application
Steam, Oil, Gas, Chemical Industry

Mounting Position
Any Position

Leakage Class
Class VI Bubble Tight Shutoff

Design Standard
ASME/ANSI, DIN, BS

Bonnet Type
Bolted Bonnet, Pressure Seal

Operation Type
Handwheel Operated

Maintenance
Low Maintenance, Simple PTFE/Graphite Packing

Ends Connection
Flanged, Screwed, Socket Weld

Body Coating
Anti-Corrosion Painted

Flow Control
Full Bore, Unrestricted Flow Path

Seatless And Glandless Piston Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About Seatless And Glandless Piston Valve

Backed by a team of adroit professionals, we are engrossed in supplying the best in class Seatless And Glandless Piston Valve that is popularly known among our customers owing to its superior design and quality. The piston valve is typically used in varied industrial applications for pressure control, fluid distribution, and regulation of the flow of liquids. It is easy to operate as the tool has got a user-friendly design. Seatless And Glandless Piston Valve can be purchased from us at a cost-effective price.

Full port forged steel isolation valves with a maximum operating pressure of 1973 psig/136 Barg and a maximum operating temperature of 800°F/427°C. The burnished piston and metal reinforced graphite rings provide leak-proof shut off and allow Piston Valves to be operated at higher temperatures, while also extending operating life.

Piston Valves are available in Socket Weld, BSPT, and NPT end connections. Flanged ends can be supplied upon request. Piston Valves are ideal for saturated and superheated steam, and hot water applications.

Piston Valves Feature :

Leak-proof isolation
Sizes from 1/2"/15mm to 1-1/2"/40mm
Choice of socket weld or threaded connections
Compatible with ASME
Resistant to cavitation
All sealing valve components may be easily replaced in-line
Long-term operation. Piston valve design ensures actuation even after many years without operation
Fire-proof performance

Design Standards

ASME (B16.34, B16.5)
Inspection and testing (API 598)
Leak test (ANSI/FCI 70-2 )
Fire test (API SPEC 6FA : 1999

Design features of Piston Valves:

Materials of Construction :

Body and Bonnet ASTM A105N / A350 LF2 Forged Steel
Spindle SS T304
Ring Valve SS T3016 + Graphite
Piston SS 17-4 PH
Spacer CA 40
Belleville Washer ASTM A231
Name Plate SS 304

Premium Valve Construction for Maximum Efficiency

Built with a seatless and glandless design, this piston valve ensures Class VI bubble-tight shutoff. The straight, full-bore path minimizes flow restrictions, enhances efficiency, and facilitates operation even under high pressures and temperatures, ranging from -10C to 220C. The anti-corrosion coating further extends product lifespan in harsh environments.

Flexible Installation and Operation

The valve accommodates multiple end connections (flanged, screwed, socket weld) and supports mounting in any position for diverse piping layouts. With sizes from 1/2 inch to 6 inch and handwheel manual operation, it is adaptable for various installation requirements in steams, oil, gas, and chemical facilities.

Low Maintenance with Reliable Sealing Technology

Employing simple yet effective PTFE or graphite packing, this piston valve eliminates the need for frequent servicing. The bonnet design (bolted or pressure seal) ensures easy inspection and maintenance, while delivering consistent leak-tight performance over time.

FAQ's of Seatless And Glandless Piston Valve:

Q: How does the seatless and glandless design benefit valve operation?

A: The seatless and glandless construction reduces the risk of leakage and packing wear, resulting in minimal maintenance and enhanced reliability. It ensures a tighter shutoff and consistent performance even under high-pressure applications.

Q: What types of media can this piston valve handle effectively?

A: This valve is compatible with a broad range of media, including water, steam, oil, gas, and various chemicals, making it a reliable choice for diversified industrial sectors.

Q: When should this valve be chosen over traditional seat-type valves?

A: Opt for the seatless and glandless piston valve when you require Class VI bubble-tight shutoff, low maintenance, and a full-bore, unrestricted flow path-especially in high-pressure or high-temperature systems.

Q: Where can the valve be installed within a piping system?

A: This valve is designed for universal mounting positions and can be installed anywhere within horizontal or vertical pipelines, offering flexibility for engineers and installers.

Q: What is the process for maintaining and servicing this piston valve?

A: Routine maintenance is straightforward, thanks to its bolted bonnet or pressure seal design. The PTFE/graphite packing reduces service frequency, while inspection and replacement of wear parts are easily accomplished.

Q: How does the anti-corrosion coating enhance the valve's lifespan?

A: The anti-corrosion paint protects the valve's surface from harsh chemicals, moisture, and environmental factors, preserving the integrity of stainless steel, cast iron, or carbon steel construction and ensuring long operational life.

Q: What are the main benefits of using a handwheel-operated, manual piston valve in industrial processes?

A: Manual handwheel operation allows for precise regulation of flow. Combined with a robust, low-maintenance design, it offers safe, dependable service in applications where automation is unnecessary or impractical.

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