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Two-piece Full Opening Safety Valve (FOSV) include parts: Lower Seat 0-ring, Lower Seat, Spring, Canister Seal, Cage, Lower Body, Wrench, Upper Body, Body 0-ring,Upper Seat, Upper Seat Back-up Ring, Upper Seat 0-ringl, Upper Seat Teflon Ring, Gage SeatFastener,Stem Link, Stem Back-up Ring, Stem 0-ring, Thrust Bearing, Stem, Ball, Lower Seat Teflon ring etc.
Two-piece Full Opening Safety Valve (FOSV) offers the convenience of a two-piece body for easy maintenance. Its full bore also allows the unrestricted flow of drilling fluid — reducing wear on critical parts while providing unrestricted access for downhole tools.
How to order:Sizes ,working pressure, connections;Please specify special requirements.
Technical data
| OD mm(inch) | ID mm(inch) | Conn. | Working Pressure |
| 3 1/8 (79) | 4/5 (20) | 2 7/8HT PAC | 5000 psi, 10,000psi, 15,000psi |
| 3 1/2 (89) | 1 3/16 (30) | NC26 | 5000 psi, 10,000psi, 15,000psi |
| 4 3/8(111) | 1 37/64 (40) | NC31 | 5000 psi, 10,000psi, 15,000psi |
| 4 3/4 (121) | 1 31/32 (50) | NC38 | 5000 psi, 10,000psi, 15,000psi |
| 5(127) | 1 31/32 (50) | NC38 | 5000 psi, 10,000psi, 15,000psi |
| 5 1/4 (133) | 2 23/64 (60) | NC40 | 5000 psi, 10,000psi, 15,000psi |
| 6 1/4 (159) | 2 51/64 (71) | NC46 | 5000 psi, 10,000psi, 15,000psi |
| 6 1/2 (165) | 2 13/16 (71.4) | NC50 | 5000 psi, 10,000psi, 15,000psi |
| 6 5/8 (168) | 2 13/16 (71.4) | NC50 | 5000 psi, 10,000psi, 15,000psi |
| 7 1/2 (190) | 3(76.2) | 5 1/2FH | 5000 psi, 10,000psi, 15,000psi |
| 7 1/2 (190) | 3 15/64(82) | NC50 | 5000 psi, 10,000psi, 15,000psi |
Our Inventory:
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4-1/4" VALVE SIZE WITH 4-1/2" IF CONN. PIN X BOX & OPERATING WRENCH LIFTING CAP,THREAD PROTECTORS(TYPE NC 50)
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SAFETY VALVE 4-1/2" IF P/B 10000 PSI
4 1/2" IF CONN. PIN&BOX SAFETY VALVE COMPLETE WITH HANDLE KEY
3 1/2" IF CONN. PIN&BOX SAFETY VALVE COMPLETE WITH HANDLE KEY
