The gate valve suppliers china is designed for safe and reliable isolation giving bubble tight shut off. Totally enclosed soft seats,offer both positive sealing and low operating torques, from vacuum to high-pressure service. 

1.Components

Body:Cast iron/Ductile Iron 

Seat ring:NBR/EPDM

Disc:Ductile Iron 

Stem:Stainless Steel  

Bonnet:Cast Iron/Ductile Iron 

Yoke:Ductile Iron 

Handwheel:Cast iron/Ductile Iron  

2.Application 

1)Face to Face is according to BS5163:1986

2)Flange drilled is according to BS4504/EN1092 

3)Nominal pressure PN10/PN16 

3.Test 

Working Pressure    PN10        PN16 

Shell Pressure         1.5Mpa     2.4Mpa 

Seat  Pressure        1.1Mpa    1.76Mpa