- Brass Fittings For PEX AL PEX Pipe
- Featured Brass Compression Fittings
- Featured Brass Press Fittings
- Featured Brass Fittings
- Plumbing pipe fittings
- Brass fitting
- ASTM D2846 CPVC Pipes & Fittings
- ASTM D2846 CPVC Pipes
- ASTM D2846 CPVC Fittings
- Featured PEX AL PEX Pipe
- Pex pipe
- Manifold
- Featured Plastic Pipe Welding Machine
- Welding machine
- Scissors
- Butt welding machine
- Sharpener
- PP HDPE Compression Fittings
- The Classic Style
- The American style
- The Italian style
- PP Saddle Clamps
- Featured PPR Ball Valves
- Control valve
- PPR ball valve 1
- PPR ball valve 2
- PPR Ball Valve 3
- Brass ball valve
- Featured PPR Fittings
- PPR pipe fittings
- Eastern Europe type pipe fittings
- Featured PPR Pipes
- PPR pipe
- White PPR
- Glass fiber PPR pipe
- Gray PPR
- Activated carbon fiber PPR
- aluminum plastic PPR
- Green PPR
- Nano PPR
- Featured PVC Ball Valves
- PVC 1
- PVC 2
- PVC 3
- Featured AS/NZS 2053 PVC Conduit Fittings
- PVC Long Sweep Bend
- PVC Conduit End Caps
- Other PVC Conduit Fittings
- PVC Junction Box
- AS/NZS 2053 PVC Electrical Conduit
- PVC Water Supply Pipes & Fittings
- ASTM SCH40 PVC Pipes
- ASTM SCH40 PVC Fittings
- BSP Thread PVC Fittings
- New products
- Product Showcase
News
how to test the performances of the PVC ball valve made in china ?
The size test: generally speaking, if the quality of the PVC ball valve made in china is very high, then when the production manufacturer producing them would had adopts the high production technology, so its size would up to the national standard requirements, for example, its size should meet up to the GB/T5836.2-2006 standard requirements, the tolerance between the middle inner diameter and the deep wall thickness should be equal or beyond the minimum ball thickness of the same specificationPVC ball valve made in china, so when you buy the PVC ball valves, you should take account more about this factor;
The oven pilot test: to ensure the quality of the PVC ball valve made in chinais good or not, you also can choose to using the oven pilot testing method to confirm, for example, you can put one sample into the oven pilot, then after a curtain time, take out the sample and looking at the surface of the ball valves, you should make sure that there are have no bubbles and the fragmentation damage; but if the position is the spell suture place, then we can allow it has some cracking phenomenon happened;
The drop test: generally speaking, you also can put the PVC ball valve made in chinain a very high position, then put the ball valve down to the ground, then to check the appearance of the PVC ball valve, if you find that there are have no rupture damage, then it means that this kind of the PVC ball valve has a very high quality.