Product Classification

SEGMENT BALL VALVE
KNIFE GATE VALVE
BALL VALVE
PNEUMATIC ACTUATOR
GAS-OVER OIL ACTUATOR

Product Process

Facilities

Zhejiang Coosai Valve Co.,ltd is located in Wenzhou, Zhejiang China.Factory covers an area of 10000m2. Advanced CNC machines 98 sets.50 sets of Various NDT and testing equipment.        

1.Raw Material Inspection

Top class quality is ensured firstly by precision metal castings offered by silica sol shell craft .Coosaialso has NDT, mechanical property test on incoming raw materials.Traceability is provided.              


       


       

2.Machining

Precision machining produces high quality valves with extended service life. Coosai metal seated ball valve can achieve zero leakage tightness.            

3.Assembly Area

Skilled technicians assemble each valve and actuator step by step and accomplish valve calibrations strictly.                     


4.Testing

       

Each valve will have strict shell test, seat test or function test according to customer request.Valves will have another seat test after installed with actuators to ensure tightness.        


       


       


5.NDT Equipments

l   X-Ray Examination  RT
l   Ultrasonic Test–UT
l   PenetrateTest – PT
Magnetic Particle Test–MT
Positive Material identification–PMI
Low Pressure Impact Test
Hardness Test

6.Painting     



Automatic painting system for ball valve up to size 60”, Sand Blasting and all type of tests are available.
       


       


       


7.Packing Area

       

Packing facilities according to all customer specifications, including:
Ply-wood packing.Fumigated wooden cases according to ISPM 15