
Shan bao submersible valve aluminum alloy anti-upwind check valve with 3000psi display..
Shan bao Offset Valve Air Inlet Model-Stainless steel valve head with anti-backwind system -Guaranteed strength at 850 feet- External thread 1/2 BSP 14 can be attached to all models.- Standard size valve (Chinese valve)- Valve neck and rack connections can be removed.- Neck size 19.9 mm. (Insert into a standard size hammer hole at 20 mm.)- Air hole distance 20 mm.- 4 layer o-ring valve- 15 mm indentation distance- Air inlet size 32X60X50 cm.- Pressure gauge, size 3,000PSI, M8 thread- Free 1 repair kitWhen the air pressure is greater than 500psi, there will be no air leakage. When the air pressure is less than 500psi, there will be a little air leakage, which is normal.Please continue to inflate quickly. When the air pressure reaches 500psi, it will stop leaking.