MICRO-RESISTANCE RETARDED CLOSED BUTTERFLY CHECK VALVE HH48/49X
MICRO-RESISTANCE RETARDED CLOSED BUTTERFLY CHECK VALVE HH48/49X
Model
DN40-DN1200

Product review

Description

Product characteristics

1. New structure, small size, light weight, the first in the country.

2. Reliable sealing, stable opening and closing, wear-resistant and long service life.

3. Hydraulic pressure is slow-closing, not affected by medium, and has a wide range of applications.

4. Check valves with small flow resistance and better energy-saving effect than lifting type and rotary revelation.

 

Performance specification

Nominal Pressure(MPa)1.01.62.5
Strength and Pressure Test(MPa)1.52.43.75
Seal pressure(MPs)1.11.762.75
Applicable temperature≤80
Applicable mediumClear water, sewage, sea water
Slow closing time≤60S

 

Major Component Materials

Part namevalve bodyDiscStem, cylinder, pistonSpringvalve seat
Material ScienceCast iron and steelcarbon steelStainless steelStainless steelDing Qing rubber

 

Design drawings


Main Dimensions Table

DN(mm)LHH1
4014020088
5015021598
65170225108
80180235118
100190280130
125200290148
150210310172
200230350210
250250415240
300270450264
350290480297
400310550324
450330585351
500350640379
600390720434
700430780491
800470840549
900510990600
10005501050655
12006301210770