681-100: Internal Valve
The 681 Internal Valve is used on both aluminium and steel standard road tanker compartments. The valve combined with tank flange and outlet elbow complies to the AS2809 requirements for a breakaway design in the case the external pipe work and equipment is damaged or torn away.
• Lightweight simple design.
• Serviceable from outside of the tank.
• Operated by top operator.
• Viton O-ring seal is standard; other seals are available on request
681-100 Internal Valve c/w O-ring
681D-100 Internal Valve c/w O-ring and deflector
to lift disc with
VO200 Top Operator = 70kPa with 2 metre head
Max. poppet lift = 38mm
Weight = 1.2kg
VO101/1 1 1/4” BSP Manual Top Operator
VO200 Manual/Pneumatic Top Operator
681CK Cable Kit (For Top Operator)
680AF-100 Aluminium weld-on tank flange
680AFH-100 Aluminium bolt-on tank flange
680SF-100 Steel weld-on tank flange
VO101F/1 1 1/4” Flanged Manual Top Operator
R005184-200 Deflector to suit 681-100
682S-100 Steel adaptor to suit 100mm outlet pipe bend
683A-100 Outlet elbow for top operation
683AH-100 Squat outlet elbow for top operation