775 359 4442 775 359 4442 toll free.
Vacuum research gate valve.
Manual actuators are the least expensive.
Patented the first gate valve to provide 100 unobstructed flow and a rotary rather than sliding vacuum seal.
By total leak we mean that each completed valve is tested in a helium filled bag.
Mdc stainless steel vacuum gate valves incorporate patented c loc and uni loc gate valve locking mechanisms.
All vacuum research gate valves are available with 3 types of actuators.
Electric motor actuators use high torque servo motors and operate from 115v.
By total leak we mean that each completed valve is tested in a he filled bag.
Stainless steel lpss gate valve instruction parts list end operated gate valve manual parts list op 2 75 con n1 c p lss valve manual parts list op series gate valve manual parts list angle valves spare parts list built before 2001 angle valve manual parts list august 2002 later 3 position aluminum angle valve manual parts list.
100 chapel harbor drive 4 pittsburgh pa 15238.
Virtually every part was made by casting.
Prior to this it was common practice even in large research establishments to upgrade general service valves for vacuum use by winding actuator shaft gaskets from string soaked in an apiezon grease.
Manual actuator push rod pneumatic actuator double acting sealing technology.
All vacuum research valves can be installed for fast close on power failure and air operated valves can be manually positioned without air or electricity.
All vacuum research valves have total leak rates of less than 2 x 10 9 std cc sec.
24 trafalgar square nh 03063 1988 nashua.
All vacuum research valves have total leak rates of less than 5 x 10 10 std cc sec.
Hva is the top manufacturer and supplier of vacuum valves high vacuum valves and ultra high vacuum solenoid valves to leading vacuum technology innovators.
Fkm viton sealing bonnet.
Electro pneumatic actuators use 70 psi 4 9 kg cm compressed air and include the solenoid specify the solenoid voltage that is most convenient for you.
F 1 888 658 7983.
Rohs compliant all valves are rohs 2002 95 ec compliant.
No scuffing of the gate seal when opening or closing by using a 4 bar linkage.
T 1 800 248 8254.
