Butterfly Swing Check Valve

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9.   The face to face dimensions are in accordance with GB12221-89. ISO5752-82. The stem of the valve should be perpendicular to the horizontal level when the valve is mounted on horizontal pipeline. For vertical installation the direction of flow should be downward.

8.   The connection dimensions of flanges accord with the standards of GB4216-84, GB4216.5-84.

7.   Safe and reliable in operation, high interference-resistance.

6.   This valve is tightly sealed without leakage under the pressure water test.

5.   It is easy to install on pipeline which is laid horizontally or vertically.

4.   This valve is short in length, so that it is rigid and easy to mount.

3.   The quick-close action prevents the medium from flowing back and eliminates water-hammer effect.

2.   Two torsion springs are used excerting on each of the pair valve plates, which close the plates quickly and automatically.

1.   Small in size, light in weight, compact in structure, easy in maintenance.

Features:

Spring: stainless steel

Stem: F304  F316  316Ti

Disc: CF8  F11  F22  c5 c12  F304  F316  316Ti

Body: WCB  LCB  WC6  WC9  c5 c12  CF8  CF8M  316Ti

Part: WCB  LCB  WC6  WC9  c5 c12  CF8  CF8M  316Ti

Materials for main parts:

The wafer flange clamped butterfly check valve is a energy-save product. It is manufactured based the foreign advanced technology and in accordance with relative international standard. This product is featured by excellent retaining performance, high safety and reliability, low flow resistance. It is suitable for system in the industries of petrochemical food processing, medicine, textile, paper-making, water supply, drainage, metallurgy, energy, and light industry, etc, used as a check in one way.

1. Check valve.
2. Butterfly Swing Check Valve.
3. Professional manufacturer and exporter, not the trade company at all!

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