Description:

• Mainly used for chill water, cooling water, low pressure hot water, low temperature hot water, high temperature hot water
• Apply to the glycol (content <50%)
Feature:
• Precision Cast (Resin Sand)
• Flanged end according to ISO 7005 standard
• Accord to Manufacture License of Special Equipment People's Republic of China
• Adopt pressure-balanced valve body which promote shut -off ability under condition of low force. Easily turn on/off under high differential pressure

Technical Data:
• Operating Pressure :PN16
• Stroke: DN40--DN100: 20mm
                DN100–DN150: 40mm
• Leakage Rate: Port:  0...0.02%Kvs
• Medium Temperature: -25...+130℃

• Valve Characteristic: Equal-percentage
• Material: Valve Body: HT 250
                   Stem: Stainless Steel
                   Disc: Stainless Steel

                   Spring:stainless steel

                    Diaphragm:EPDM Buried Fiber
• Seal: EPDM O type compact seal, brass seal patch

Selection Table(Suiting with VMA、VMC Series Actuators):

Flanged 2-port Modulating Valves Stroke 20mm   

VH40.22	DN40/19(m3 /h)/PN16
VH50.22	DN50/31(m3 /h)/PN16
VH65.22	DN65/49(m3 /h)/PN16
VH80.22	DN80/78(m3 /h)/PN16
VH100.22	DN100/110(m3 /h)/PN16

Flanged 2-port Modulating Valves Stroke 40mm

VH100.24	DN100/124(m3 /h)/PN16
VH125.24	DN125/200(m3 /h)/PN16
VH150.24	DN150/300(m3 /h)/PN16

Flanged 3-port Modulating Valves Stroke 20mm  

Flanged 3-port Modulating Valves Stroke 40mm   

Add heating accessories on the stem if the medium temperature is less than 0℃