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api 6a casing head, 1)Rated Pressure:2000,3000,5000psi, 2)Temperature:-60C~121C, Check Valve - details see: https://www.machineto.com/api-casing-head-tubing-head-oilfield-equipment-api-6a-casing-head-10317000

api Casing Head/Tubing Head oilfield equipment api 6a casing head

Best Service,Competitive Price,High Quality
1)Primary applications for the Check valve are high pressure mud choke manifolds and high pressure Christmas tree injection and kill lines.
2)Metal-to-metal Seal
3)Streamlined Valve Seat
4)non-lubricated and requires no routine maintenance
5)Forged Steel Construction

Size A	Size C	2000PSI		3000PSI		5000PSI
Top Flg.	Thd.or Weld	H	B	H	B	H	B
9	7 5/8	440	182	440	182	450	182
	7	440	168	440	168	450	168
11	10 3/4	450	248	450	248	470	248
	9 5/8	450	234	450	234	470	234
	8 5/8	450	208	450	208	470	208
13 5/8	13 3/8	475	316	475	316	485	316
	12 3/4	475	298	475	298	485	298
16 3/4	16	485	385	485	385	485	385
18 3/4	18					500	440
20 3/4	20			520	482
21 1/4	20	520	482	520	482

api 6a casing head

Shanghai Wellhead Equipment Manufacture Co.,Ltd is a factory concentrate the valve technology ( API 6A, 16A, 16C) and also a product management, design, manufacture, testing in one of private enterprises. All the professionals have lots experience of petroleum products manufacture more than 20 years and have strong design to manufacture ability and management ability.

With business scale strengthened, Enterprise management mechanism and the quality assurance system constantly improved, inspection regularized, the exports are expanding as the trade volume to China oilfield, America Mexico, Singapore Australia and Middle east countries doubled In the concept of Seek .