| Customization: | Available |
|---|---|
| After-sales Service: | Online Service |
| Warranty: | 1year |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency






| Connection Type | Typical Application | Advantages | Recommendation |
|---|---|---|---|
| Plain End | Shallow wells, low load conditions | Simple structure, low cost | Suitable for shallow water wells or temporary installations |
| Beveled End | On-site welding required | Easy welding, good joint strength | Recommended for permanent wells with site welding |
| Welded Coupling | Medium to deep wells | High strength, good sealing performance | Suitable for water wells and industrial wells |
| Threaded Coupling | Wells requiring dismantling | Easy installation and removal | Recommended for maintenance wells |
| Threads (STC / LTC / BTC) | Deep wells, high axial load | High tensile and compressive strength | Recommended for deep wells or projects using casing |
| Flange Connection | Surface or intake systems | Easy installation and maintenance | Mainly used for surface water intake systems |