Cast Iron Air Vent Release Valve Grey Ductile Iron GG25 Electric Butterfly Valves actuator

water supply or control vent valve

Nominal pressure :PN1.0-1.6MPa 

Nominal diameter :dn50mm-200mm

The test pressure :shell :1.5-2.4MPa sealing :1.1-1.76MPa 

The working temperature :-23~121℃

The suitable medium :water/gas/oil/air etc

The torque information we can available if you buy bare shaft butterfly valve from us 

the feature of vent valve

Size small ,light weight ,installation more easy and operation quickly .

When valve size bigger 200mm ,we usually use worm gear or pneumatic or hydraulic or electric actuator to drive the lug type valve 

Before out of factory ,our lug type valve through 2 times pressure and sealing test ,so have a good sealing and anti-pressure performance .

Cast iron /ductile iron/stainless steel/carbon steel etc lot of material you can choose .

This type valve suit to many medium such as fresh water/sewage/sea water/gas/oil etc

Primary Competitive Advantages:

1. Our company has several years’s experience in producing all kind of valves, we have the self-operated importing and exporting rights . 

2.Our products are approved by ACS ,CE ,ISO9001/14001. 

3.We can produce the valve and fittings according to customer’s requirement, and if the order is large , we don’t charge any mould fee . 

4. We insist to popularize our brand“DONGJIN” to our customers , and welcome to become our sales agency , We’ll give our customer the special prices once the customer become our approved agency . 

Outstanding Service

 Fast feedback: we promise to reply your inquiry within 24hours

 Positive cooperation with your esteemed company

 Good suggestions to your choice if necessary with our own rich experience

 OEM accepted

 Your visited to factory welcomed!