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| Customization: | Available |
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| Media: | Gas, Oil, Water |
| Temperature: | Ordinary Temperature |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Nominal Size | 2-1/16″ to 7-1/16″ (API 6A standard wellhead specifications) |
Rated Working Pressure: | 2000 psi, 3000 psi, 5000 psi, 10000 psi, 15000 psi, 20000 psi (13.8, 20.7, 34.5, 69.0, 103.4, 137.9 MPa) |
Temperature Ratings | K (-60°C to 82°C), L (-46°C to 82°C), P (-29°C to 82°C), S (-18°C to 82°C), T (-18°C to 121°C), U (-18°C to 176°C), V (2°C to 121°C) |
Material Classes | AA (general service), BB (H2S service), CC (chloride service), DD (H2S + chloride service). 4130 is commonly used for Class BB/DD |
PSL Ratings | PSL 1 (standard), PSL 2 (enhanced inspection), PSL 3/3G (design verification), PSL 4 (most stringent) |
Body/Bonnet | ASTM A519 4130, AISI 4130 forgings, quenched and tempered to HRC 22–32 |
Gate | 4130 overlay welded with Inconel 625, F6NM, 17-4PH |
Stem: | Inconel 718, 17-4PH, F6NM, surface hardened |
Seat | Inconel 625, Stellite alloy, Colmonoy overlay welded |
Gasket Rings | Type BX/RX metal ring gaskets (soft iron, 316L, Inconel 625) |
Packing | Flexible graphite, PTFE, materials compatible with secondary sealant |
Connection Type | API 6A flanges (Type 6B, Type BX, Type RX), complying with API 6A Annex D |
Operation | Manual (handwheel, impact handwheel), hydraulic (cylinder, accumulator), pneumatic-hydraulic actuated |
Design Standard | API Specification 6A |
Testing Standard | API 6A (PR1/PR2) |
Performance Requirement | PR1 (standard service conditions) |


Pressure | 150LB | 300LB | 600LB | 900LB | 1500LB | 2500LB | |
Strength Testing | 3.0 | 7.5 | 15.4 | 23.0 | 37.5 | 63.0 | Mpa |
Seal Testing | 2.2 | 5.5 | 11.2 | 16.9 | 27.5 | 46.2 | |
Air Testing | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |











Delivery Time | 10-30 Days |
Package | Standard Exporting Plywood Case |
Shipping Port | Ningbo/Shanghai sea port, China |
Shipping Terms | EXW, FCA,CPT CIP, DAP, DPU. DDP, FAS.FOB.CFR.CIF |
Payment Terms | T/T. DP, LC at sight |
Payment condition | 30% prepayment, 70% balance paid before shipping or against copy of BL |
Country of Origin | China |
Production Capacity | 8000 Ton/year |
Certificates | API6D.API600,API602,API607.CE,ISO9001,IS014001,IS045001.SIL3.and IS015848.CE |
MOQ | 10 PCS/size(Special material depends on) |
