Fully Swing Check Valve

LYV® Full open swing check valve Introduction

As a professional Fully Swing Check Valve manufacturer, you can rest assured to buy Full open swing check valve from our factory and we will offer you the best after-sale service and timely delivery. Fully open swing check valve Swing check valve, also known as check valve or check valve, its role is to prevent the pipeline medium flow back. The opening and closing parts rely on the medium flow and force to open or close, to prevent the media backflow of the valve called check valve. Check valves belong to automatic valves, mainly used for medium one-way flow on the pipeline, only allow the medium to flow in one direction, in order to prevent accidents. This type of valve should generally be installed horizontally in the pipeline

LYV® Full open swing check valve Parameter (Specification)

Test pressure

Nominal pressure (MPa)

1. 0

1.6

2.5

4.0

6.4

Shell test

1. 5

2.4

3.75

6.0

9.6

Seal test

1. 1

1.76

2.75

4.4

7.1

Valve body material

WCB(C)

CF8(P),CF 8M (R)

WC6,WC9

Operating temperature

≤ 425

≤ 100

≤ 100

≤ 550

≤ 550

Applicable medium

Water, steam, oil

Nitric acid

acetogens

Water and steam

Water and steam

LYV® Full open swing check valve Feature And Application

Swing check valve is suitable for nominal pressure PN1.0MPa~42.0MPa, Class150-2500; Nominal diameter DN15~1200mm, NPS1/2~48; Working temperature -196~540℃ on a variety of pipelines, used to prevent the backflow of the medium. Through the selection of different materials (WCB,CF8(M),CF3(M),1Gr5Mo,15CrMo1V, can be applied to water, steam, oil, nitric acid, acetic acid, strong oxidizing medium and urea and other media. Mainly used in petroleum, chemical, pharmaceutical, chemical fertilizer, electric power and other pipelines.

Swing check valve adopts internal rocker arm swing structure, all the opening and closing parts of the valve are installed in the valve body, do not penetrate the valve body, in addition to the flange parts with sealing gasket and sealing ring, the whole has no outside leakage point, to eliminate the possibility of valve leakage. Swing check valve rocker arm and disc are connected by a spherical structure, so that the disc has a certain degree of freedom in the 360 degree range, with appropriate micro position compensation.

Swing check valve

Swing check valve

Suitable for clean media, not suitable for media containing solid particles and high viscosity

LYV® Full open swing check valve Details