The Jinan resistant Veeco Automation Technology Co., Ltd. provided the product VVF61 Siemens electric control valve 
 VVF61 Model: VVF61.09 VVF61.10 VVF61.11 VVF61.12 VVF61.13 VVF61.14 VVF61.15 VVF61.23 VVF61.24 VVF61.25 VVF61.39 VVF61.40 VVF61.50 VVF61.65 VVF61.80 VVF61 the the .90 VVF61.91 the two VVF61.92 pass valve VVF61.09 VVF61.10 VVF61.11 VVF61.12 VVF61.13 VVF61.14 VVF61.15 VVF61.23 VVF61.24 VVF61.25 VVF61.39 VVF61.40 VVF61.50 VVF61.65 VVF61.80 VVF61.90 VVF61.91 VVF61.92 
 Control valve of the Siemens VVF61 series: can be used as a heating, the region feel the heating, ventilation and air conditioning system, temperature, pressure, flow control on and off, nominal diameter DN15 ..... DN150 can be used as a security control or stop valve 
 - In accordance with ISO 7005 flange connections 
 - Pressure rating: PN4O, 
 - Closed loop chilled water and low pressure hot water, hot water, high pressure hot water, sea water, hot oil, and saturated steam, superheated steam 
 - Fluid: hot water, chilled water absorption is called the oxide additives, glycol, refrigerant and low pressure steam, saturated steam, hot oil, superheated steam 
 - Body material: cast steel GS-C-25N or GS45 
 - Stem and spool valve seat material: stainless steel 
 VVF61 series Siemens valve, PN40, two-way valve and flange connection 
 - Two-way valves, flange connection, PN40, VVF61, 
 - For the closed or open loop systems, chilled water, low temperature hot water, hot water, high temperature hot water, sea water, hot oil or steam control 
 Description: 
 - Flange connections to two-way valve, pressure rating PN40 
 - Compliant with ISO7005 flange connection 
 - Applies to open or closed circuit chilled water, low pressure hot water, high pressure hot water, sea water, hot oil, saturated steam 
 Siemens two-pass the valve VVF61 technical parameters: 
 - Itinerary: DN 50 the following: 20mm; the DN65 above: 40mm 
 - Medium temperature: -25 .. 220 degrees, up to 350 degrees 
 - The valve flow characteristics: geometric 
 - Allowable Working Pressure: 4000 kPa 
 - Rated pressure: PN 40 
 - Nominal diameter: DN15 to DN150 
 - For the actuator: SKD series, the SKB series, SKC. 
 Application areas: 
 Medium temperature sealing type suffix 
 The high of the high-pressure hot water to 220 ° C Teflon 

 Hot oil to 220 ° C Teflon 
 Heat oil to 350 ℃ Teflon 2 
 Saturated steam / hot steam to 220 ° C Teflon 
 Chilled water / seawater as low as -25 ℃ Teflon 
 - Containing antifreeze 
 - Heat oil to 220-300 degrees or 350 degrees, respectively, to provide special products with an extension of the neck. Type suffix such as VVF61.252 
 - Use when the medium temperature is below 0 degrees stem heating element ASZ6.5 
 Ordering: 
 Please indicate model when ordering, for example: the valve VVF61.90 a, actuator SKB62 a, valves and actuators are separate packaging and delivery. 
 The valves are supplied without counter-flanges and without flange gaskets. 
 Note: parameters are for reference only, subject to the actual parameters to the supplier products.