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Stainless Steel Flanged Swing Check Valve Material Nitric Acid 1.6/2.5/4.0Mpa

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Stainless Steel Flanged Swing Check Valve Material Nitric Acid 1.6/2.5/4.0Mpa

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Brand Name : Y

Model Number : H44W

Place of Origin : China

MOQ : 10 pcs

Price : Negotiable

Payment Terms : T/T

Supply Ability : 10000 pcs per year

Delivery Time : 5-8 work days

Packaging Details : wooden box 1200*1100*1100

Product name : Flanged Swing Check Valve

Connection : Flange Ends

Medium : Nitric Acid

Color : Body color

Disc : stainless steel

Working temperature : ≤200℃

Standard : GB

Structure : Check

Pressure : Medium Pressure,Low Pressure,High Pressure

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Stainless Steel Material Aitric Acid Medium 1.6 /2.5 /4.0 Mpa Flanged Swing Check Valve


Stainless steel swing check valve refers to a valve whose opening and closing parts are circular valve discs and act by their own weight and medium pressure to block the backflow of medium. It is an automatic valve, also known as check valve, one-way valve, return valve or isolation valve. The movement mode of valve disc is divided into lifting type and swing type. The structure of lift check valve is similar to that of stop valve, only lacking the stem to drive the valve disc. The medium flows in from the inlet end (lower side) and out from the outlet end (upper side). When the inlet pressure is greater than the sum of the disc weight and its flow resistance, the valve is opened. On the contrary, the valve is closed when the medium flows back. Swing check valve has an inclined disc that can rotate around the shaft. Its working principle is similar to that of lift check valve. Check valve is often used as the bottom valve of pumping device to prevent the backflow of water. The combination of check valve and stop valve can play the role of safety isolation. The disadvantage is large resistance and poor sealing when closing.

Installation mode

The disc of the swing check valve is disc-shaped and rotates around the rotating shaft of the valve seat channel. Because the channel in the valve is streamlined and the flow resistance is smaller than that of the lift check valve, it is suitable for large-diameter occasions with low flow rate and infrequent flow change, but it is not suitable for pulsating flow, and its sealing performance is not as good as that of the lift check valve. Swing check valve is divided into single disc type, double disc type and multi half type. These three forms are mainly divided according to the valve diameter, in order to prevent the hydraulic impact from being weakened when the medium stops flowing or flows back.


mm L D D1 D2 b-f Z-фd H
20 150 105 75 55 14-2 4-ф14 91
25 160 115 85 65 14-2 4-ф14 91
32 180 135 100 78 16-2 4-ф18 107
40 200 145 110 85 16-2 4-ф18 116
50 230 160 125 100 16-2 4-ф18 129
65 290 180 145 120 18-2 4-ф18 144
80 310 195 160 135 20-3 8-ф18 158
100 350 215 180 155 20-3 8-ф18 166
125 400 245 210 185 22-3 8-ф18 191
150 480 280 240 210 24-3 8-ф23 212
200 550 335 295 265 26-3 12-ф23 257
250 650 405 355 320 30-3 12-ф26 289

Product Tags:

Nitric Acid Flanged Swing Check Valve


2.5Mpa Flanged Swing Check Valve


4.0Mpa Stainless Steel Flanged Check Valve

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