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Product Classification

Control Valve Series Ball Valve Series Butterfly Valve Series Gate Valve Series Globe Valve Series Check Valve Series Water Control Valve Series Filter Series Steam Trap Series

Butterfly type self-closing check valve

Technical Specifications

Product model: HH47X
Flange standard: GB/T17241
Testing and inspection: GB/T 13927

Sales Hotline：

0086-21-59110018

Product Details

Purpose

This valve is mainly installed at the pump outlet of the water supply and drainage systems in industries, agriculture, cities, buildings, etc., to prevent the backflow of the medium, eliminate water hammer, and ensure the safe operation of the pump and the pipeline.

Product features

1. The structure is reasonable, the performance is reliable, the volume is small, the structural length is short, and the weight is light.
2. The external-mounted damping cylinder has excellent closing performance and is not affected by the medium in the pipeline; the butterfly plate closes rapidly first and then slowly, which can prevent the occurrence of destructive water hammer; the opening and closing is smooth, without vibration or noise.
3. Eccentric design, rubber sealing, excellent sealing effect, resistant to wear, long service life.
4. The valve has low flow resistance and shows significant energy-saving effects.

Performance Specifications

PN	1.0	2.6	MPa
Strength test	1.5	2.4
Sealing test	1.1	1.76
Applicable temperature	≤80		°C
Applicable medium	Water, sewage, etc.

Main dimensions of the shape

DN	300	350	400	450	500	600	700	800	900	100
B1	600	715	730	750	780	815	865	915	965	1015
B2	250	310	325	350	380	415	495	555	625	725
Lo	500	500	500	500	500	800	800	800	800	800
L	270	290	310	330	350	390	430	470	510	550