Y Type Swing Check Valve, Brass, 1 Inch, 200 WOG, G Threaded

Y Type Swing Check Valve, Brass, 1 Inch, 200 WOG, G Threaded

Key Specifications / Features

The Y Type Swing Check Valve Factory in China offers a high-quality brass body swing check valve with a 1-inch (DN25) nominal diameter and a pressure rating of 200 WOG (Water, Oil, Gas). This valve features G-threaded end connections, making it suitable for a variety of applications including water, oil, and gas systems. The valve is designed to prevent backflow, ensuring smooth and efficient fluid flow in pipelines.

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Detail Information

Product Name: Y Type Swing Check Valve
Type: Y Type Check Valve
Body Material: Brass
Size: 1 Inch, DN25
Pressure: 200 WOG
End Connection: G Thread
Medium: Water, Oil, Gas, etc
Temperature Range: -29°C to 120°C

Y-type swing check valves are designed to prevent backflow in pipelines. The flow travels in a straight line through the valve, resulting in minimal pressure drop. As the fluid moves through the line, the disc swings into an open position. When back pressure occurs in the line, it holds the disc closed. Aluminum bronze swing check valves can be installed in both horizontal and vertical lines, but they must be oriented correctly according to the flow direction arrow marked on the valve body. These valves are intended for horizontal use only. When fluid pushes on the stopper in the correct direction, it swings open to allow flow. Conversely, if the flow reverses direction, the stopper swings shut. The check valve is not suitable for vertical applications, as gravity could interfere with the swinging motion.

Technical Specification

» Product: Y Type Swing Check Valve
» Normal Size Range: 1/2-2 Inch (DN15-DN50)
» Normal Pressure Rating: 200 PSI, PN16
» Material: Brass, Bronze
» Temperature Range: -29°C to 120°C
» Threaded: BSP (BS 21), NPT (ASME B1.20.1) 
» Inspection testing: API 598
» Investment casting body / bonnet
» Screwed cap, swing type disc, integral seat

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FAQs

OS&Y stands for Outside Screw and Yoke. This design places the threaded stem outside the valve body, with the yoke supporting the stem. It allows users to visually verify whether the valve is open or closed by observing the stem’s position.

OS&Y gate valves are commonly used in fire protection systems, including sprinklers, hydrants, and standpipes, due to their reliability and clear open/close indication.

Outside Screw and Yoke Valve

"Outside Screw and Yoke" (наружный винт и вилочный рычаг) — это конструкция клапана, при которой резьбовой шток (винт) находится снаружи корпуса клапана, а вилочный рычаг (йок) удерживает шток на месте. В отличие от других типов затворных клапанов, положение клапана OS&Y (открыт или закрыт) можно визуально определить по положению штока.

Затворные клапаны OS&Y широко используются в системах пожаротушения, системах гидрантов и стояковых системах. Их способность чётко показывать, открыт клапан или закрыт, делает их важными для безопасности и соблюдения нормативных требований.

OS&Y

DBB - Doble Bloqueo y Purga (dos asientos de pistón simple)

DBB - Doble Bloqueo y Purga (dos asientos de pistón simple)

DIB-I (dos asientos de pistón doble)DIB-I (dos asientos de pistón doble)

 

DIB-II (un asiento de pistón doble y un asiento de pistón simple)

DIB-II (un asiento de pistón doble y un asiento de pistón simple)

 

 

 

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