行业组件数据 · 2026

进出口法兰

Inlet/Outlet Flanges are critical connection components in feed pumps, providing secure, leak-proof interfaces for fluid intake and discharge piping systems.

技术定义与适配语境
典型 进出口法兰 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

Inlet/Outlet Flanges are standardized mechanical components designed to create robust, sealed connections between a feed pump's casing and external piping systems. The inlet flange facilitates fluid entry into the pump's impeller chamber, while the outlet flange manages the discharge of pressurized fluid. These flanges typically feature a flat, raised, or ring-type joint face with a precise bolt hole pattern, ensuring alignment and uniform gasket compression to prevent leaks under operational pressures and thermal cycling. They are engineered to withstand mechanical stresses, vibration, and corrosive media, maintaining system integrity in industrial fluid transfer applications.

组件规格

定义
Inlet/Outlet Flanges are standardized mechanical components designed to create robust, sealed connections between a feed pump's casing and external piping systems. The inlet flange facilitates fluid entry into the pump's impeller chamber, while the outlet flange manages the discharge of pressurized fluid. These flanges typically feature a flat, raised, or ring-type joint face with a precise bolt hole pattern, ensuring alignment and uniform gasket compression to prevent leaks under operational pressures and thermal cycling. They are engineered to withstand mechanical stresses, vibration, and corrosive media, maintaining system integrity in industrial fluid transfer applications.
工作原理
Flanges operate by creating a bolted, gasketed joint between two mating surfaces. The flange face is machined to a specific finish (e.g., serrated, smooth) to enhance gasket sealing. Bolts are tightened in a cross-pattern sequence to apply uniform compressive force, deforming the gasket material to fill microscopic imperfections and form a pressure-tight seal. This allows for the secure transmission of fluid while permitting disassembly for maintenance, inspection, or component replacement without damaging the pump or piping.
材料
Common materials include ASTM A105 (carbon steel forgings)ASTM A182 F304/F316 (stainless steel)ASTM A350 LF2 (low-temperature carbon steel)and Ductile Iron (ASTM A536). Selection depends on fluid compatibilitypressure ratingtemperatureand corrosion resistance requirements. Gasket surfaces may be coated or treated (e.g.serrated finish per ASME B16.5) to improve sealability.
Face Type
Raised Face (RF), Flat Face (FF), Ring-Type Joint (RTJ)
Thickness
Varies by pressure class and material
Nominal Size
DN25 to DN600 (1" to 24")
Surface Finish
125-250 µin (3.2-6.3 µm) serrated finish typical for RF
Pressure Rating
Class 150, 300, 600, 900, 1500, 2500 (ASME B16.5)
Bolt Circle Diameter
As per ASME B16.5 standards
标准
ISO 7005-1ASME B16.5DIN 2633EN 1092-1

行业分类与别名

进出口法兰 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Improper bolt tightening torque or sequence->Uneven gasket compression and leakage->Use calibrated torque wrenches and follow cross-pattern tightening procedures per ASME PCC-1.
Exposure to corrosive fluids without suitable material selection->Flange face pitting or general corrosion, compromising seal integrity->Select corrosion-resistant materials (e.g., stainless steel, coatings) and implement regular inspection schedules.

工业生态与工程逻辑

0
Gasket failure leading to leaks
1
Bolt fatigue or loosening under vibration
2
Corrosion or erosion of flange face
3
Misalignment causing uneven stress
4
Thermal expansion mismatch with piping

合规与检测

tolerance
Dimensional tolerances per ASME B16.5: flange thickness ±1.5mm, bolt hole spacing ±1mm, face flatness within 0.8mm. Pressure testing per ASME BPVC Section VIII.
test method
Hydrostatic pressure testing at 1.5 times design pressure for 30 minutes; pneumatic testing with soap solution for leak detection; non-destructive testing (NDT) like liquid penetrant or magnetic particle inspection for critical applications.

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the difference between inlet and outlet flanges on a feed pump?

Inlet flanges connect to the suction piping and are typically larger in diameter to minimize pressure drop and prevent cavitation. Outlet flanges connect to the discharge piping and are designed to handle higher pressures generated by the pump. Both must match the pump's nozzle dimensions and pressure class.

How do I select the correct flange material for my application?

Consider the fluid's chemical properties (corrosivity, abrasiveness), operating temperature and pressure, and environmental conditions. Common choices: carbon steel for general service, stainless steel for corrosive fluids, and alloy steels for high-temperature/pressure services. Always verify compatibility with industry standards like ASME B31.3.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 进出口法兰

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 进出口法兰?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
进出口歧管
下一个组件
进出口法兰
URN:CNFX:ME:UNIT:INLET_OUTLET_FLANGES