GOST 法兰标准:俄罗斯和独联体市场完整指南
GOST 标准是俄罗斯、哈萨克斯坦、白俄罗斯和独联体国家管道项目的强制性标准。
主要 GOST 法兰标准
- GOST 12820-80:钢制平焊法兰(焊颈)
- GOST 12821-80:钢制松焊法兰(带螺纹)
- GOST 12822-80:钢制盲板法兰
GOST 压力额定值(PN 系统)
PN1.0 (10 bar)、PN1.6 (16 bar)、PN2.5 (25 bar)、PN4.0 (40 bar)、PN6.3 (63 bar)、PN10.0 (100 bar)、PN16.0 (160 bar)、PN20.0 (200 bar)
GOST 材料等级
不锈钢 08х18н10 (304),03х17н14м3 (316l),12х18н10т (321)
碳: Ст20, 09Г2С (低温), 17Г1С (管道)
独联体市场应用
- 石油与天然气:俄罗斯天然气工业股份公司、俄罗斯石油天然气公司、卢克石油公司项目
- 石化:Sibur、Tatneft 炼油厂
- 区域供暖:市政系统(PN16-PN25)
- 水利基础设施和发电
认证要求
需要 GOST-R 或 EAC 证书、材料证书、尺寸报告、压力测试证书。
GOST 法兰查询: 电子邮件1007788887@qq.com | WhatsApp:+86-18658777855
您可能还喜欢
Flange Sizing Chart and Repair Guide for Industrial Pipeline Maintenance
Flange Sizing and Repair Guide Proper flange sizing and timely repair ensures safe pipeline operation. Flange Sizing Chart NPS 1/2 to NPS 24: Standard range DN15 to DN600: Metric sizes Class 150 to 2500: Pressure ratings Custom sizes available Flange Repair Methods Face resurfacing for minor damage Bore machining for worn surfaces Bolt hole repair […]
Cast Iron Closet Flange and Mounting Flange Installation Methods
Cast Iron Flange and Mounting Applications Cast iron flanges provide durable solutions for industrial and commercial piping installations. Cast Iron Closet Flange Durable construction Corrosion resistant coating Standard and custom sizes Compatible with various pipe materials Mounting Flange Installation Proper surface preparation Anchor bolt specifications Leveling requirements Sealing and waterproofing Setting a Flange Measure and […]
Drain Flange and Exhaust Flange Bolts Industrial Pipeline Applications
Drain Flange and Exhaust Flange Applications Industrial drain and exhaust flanges serve critical functions in process piping systems. Drain Flange Types Floor drain flanges: Water treatment plants Process drain flanges: Chemical plants Roof drain flanges: Industrial buildings Exhaust Flange Bolts High temperature bolting: ASTM A193 B7 Corrosion resistant: ASTM A193 B8 Proper torque specifications Regular […]
