Hebei jizen high pressure flange pipe fittings Co., Ltd. is one of the large enterprises specializing in producing and selling flanges, bending heads and pipe fittings in North China. The products are widely used in petroleum, chemical industry, light industry, electric power, metallurgy, shipbuilding, construction and other industries, products are sold throughout the country and exported to Korea, Singapore, Malaysia, Saudi Arabia, Thailand, United States, Pakistan, Bangladesh, Syria, Iran and other countries, in the domestic and foreign brand products in the market enjoy a good reputation. The national standard GB/T 9112-9124-2000 "flange steel pipe flanges", GB/T "13402-92" GB/T large diameter steel flanges, 15530.5~8-1995 copper alloy steel flanges and technical conditions, GB/T 13403-1992 large diameter carbon steel pipe flanges with a gasket, GB/T 2506-2005 marine lap welding steel flanges, GB/T "17241.1~7-98" GB2555-1981 cast iron pipe flanges, flange connection pipe for general purposes the size of GB9124-88 steel pipe flange butt welding end of the steel pipe flanges GB9125-88 technical conditions, GB9131-88 steel pipe flange temperature - pressure rating of GB2501-1989 ship size and flange sealing surface, GB2502-1989 marine flange cushion ring four carry, GB2503-1989 marine cast iron flange four carry, GB2504-1989 marine cast steel flanged four carry. GB2505-1989 marine cast copper flange four carry
Flange standard SH petrochemical industry 3406-96 "petroleum steel pipe flanges", HG 20592~20635-97 "steel pipe flanges, gaskets and fasteners", SHB-S01-97 (ZL) commonly used in petrochemical flange gasket selection rules, SH rules 501-1997 Petrochemical jacket flange general drawing, SH 3404-1996 flange fasteners SY 0516-1997 insulation the provisions of flange design technology
According to the European standard system 74~90-94 "flange machinery industry standard JB/T pipe flange and gasket" standard, JB/T 2001.6-1999 water system with elliptical flange type and size, JB/T 2001.7-1999 water system with flange type and size, the size of the JB/T 1308.13-1999 PN250MPa flange type and technical conditions, JB/T 2772-1992 PN16.0 ~32.0MPa JB/T 4721-1992 blind, outside side cover JB/T 4700-2000 pressure vessel flange, flange type and specification, JB 4701-2000 welded flange, JB/T 4702-2000 JB/T 4703-2000 type flange, welding neck flange
The ship industry standard CB/T 47-1999 marine flange butt welding steel flanges, CB/T 46-2007 lap welding steel flanges for ship, CB/T 51-2007 marine welding copper ring loose steel flanges, CB/T 3962-2005 ship with different diameter of copper welding flange, CB/T 3963-2005 special coating for steel flanges, CBM 1007-81 16kgf/cm - cast iron cast steel flange (Marine flange) CBM 1002-1981, the sealing surface of flange and gasket, CBM 1019-1981 63kgf/cm - welding steel flanges, CBM 1021-1981 CBM 1022-1981 steel exhaust pipe flange, marine flange allowable temperature and working pressure, CBM 1013-81 10kgf/cm - lap welding steel flanges, CBM 1012-81 5kgf/cm - CBM 1011-81 lap welding steel flanges, 63kgf-cm - CBM 1010-81 40kgf-cm cast steel flange. - cast steel flange
International standards for flanges. Using forged steel rolling or American Standard ASTM 8% and 9% A522-07 low temperature nickel alloy steel flanges, fittings, valves and parts specifications, ASTM A961-02 pipeline steel flanges, forged fittings, valves and parts standard specification, ASTM B16.36-1996 ASTM B16.47-2006 orifice flange, large diameter steel pipe flanges. ASTM B16.48-2005 steel pipeline blind, ASTM B16.5-2003 pipe flanges and flanged fittings, steel pipe flange using ANSI/AWWA C207-2001 API 605-1988 water supply engineering, large diameter steel flanges, MSS SP -65-1994 with high pressure flange and threaded nipple gasket, MSS SP -44-96 (R2001) steel pipe method