Tuzla, Istanbul

GÜNEYSS Phone: +90 545 206 13 74 www.guneyss.com/en/product/high-pressure-stainless-ball-valve/

Ball, Needle & Check Valves

High-Pressure Stainless Ball Valve

High-pressure stainless steel ball valve with an AISI 316L body, providing quarter-turn on/off service in hydraulic and process lines. BSP/NPT and project-specific connections.

  • AISI 316L body
Technical summary
MaterialAISI 316L body
OperationQuarter-turn on/off
ConnectionBSP, NPT and project-specific alternatives
BoreFull or reduced bore — on request
Seat / sealSelected to suit fluid and temperature
ApplicationLine isolation and maintenance isolation
Request sizes and technical drawing

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Send us the size, thread standard and quantity; we'll give you pricing and lead time for stock or production.

1-3 business days for stock items; 10-20 business days after technical approval for custom sizes.

Description

About the product

A stainless steel ball valve is a shut-off valve that fully opens or closes the line by rotating a bored ball inside the body through 90°. In the open position, flow passes through the ball bore almost unobstructed; in the closed position, the ball presses against the seat seals to provide sealing. In high-pressure versions, the body, end connections and stem design are sized for hydraulic line pressure.

It is used for line isolation in hydraulic power units, as maintenance isolation points on marine and offshore equipment, in the process and utility lines of chemical and food plants, in fire pump sets and on test benches.

  • Body, seat and seal materials must be selected together according to the fluid, temperature and cleaning chemicals.
  • The connection standard (BSP, NPT, bite-type or flanged) and the bore (full bore / reduced bore) must match the line.
  • A ball valve is designed for fully open or fully closed operation, not for flow regulation; running it for long periods in a throttled position erodes the seat.

Installation note: Leave clearance around the valve for the full open/close travel of the handle, and support the valve so that it does not carry the weight of the line. Check mounting orientation, the flow arrow and service access before commissioning.

To clarify before ordering

  • Thread standard: BSPP / BSPT, NPT, UNF / JIC or metric
  • Tube or hose size, connection orientation
  • Working pressure and temperature
  • Fluid type and environment (seawater, chemical, food)
  • Sealing method: O-ring, sealing washer, cone seat
  • Quantity and required lead time
Technical support for fitting identification

Request sizes and technical drawing

We send this product's size options, thread standards and technical drawing on request. If the size you need is non-standard, we can manufacture it from a sample.

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FAQ

Frequently asked questions

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Can a ball valve be used to regulate flow?

It is not recommended. A ball valve is designed to operate fully open or fully closed. In a partially open position, the flow erodes the seat seals and the valve eventually starts to leak when closed. Use a needle valve for fine flow adjustment and a check valve to keep flow in one direction.

What information should I provide for valve selection?

The fluid type, working pressure and temperature, line size, connection standard (BSP, NPT or bite-type), required bore and the environment the valve will operate in (seawater spray, washdown chemicals, etc.) are sufficient. With this information, the appropriate body, seat and seal selection is verified.

Quote and technical verification

Quote for High-Pressure Stainless Ball Valve

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Details that speed up your quote

  • Size and thread standard
  • Quantity and required lead time
  • Working pressure and fluid
  • Sample photo or technical drawing, if available

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Technical drawing, photo or PDF (optional)

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