Slab Flanged Gate Valves
Features:
· Manufactured and Tested in Accordance with API Spec 6A standard.
· Simple structure and renewable gate and seat assembly.
· One-piece and double-acting gate with long service life.
· Both thrust bearings with large load capacity and composite rubber-plastic stem lip packing minimize operational torque.
· Bearing cap is provided with a grease cup to make it easy to inject lubricating grease in the field.
· Threaded packing gland allows removal of bearings and stem packing under Line pressure.
· Both the bolted bonnet and modern bonnet seal ring provide simple structure And reliable sealing.
· The sealing surfaces of the gate and seat are structural ceramic for wear and corrosion resistance.
· The gate and seat still maintain a positive sealing performace under low pressure.
· Floating gate design requests the hand wheel to be backed off 1/4 turn after its rotation can go no further.
Specification:
· Working Pressure: 2000PSI~20000PSI
· Nominal Dimension: 1.13/16″~7.1/16″
· Working Medium: oil、natural gas、mud and gas containing H2S、CO2
· Working Temperature: -46°C~121°C (Class LU)
· Material Class: AA、BB、CC、DD、EE、FF、HH
· Specification level: PSL1-4
· Performance Requirement: PR1-2



