行业组件数据 · 2026

排放喷嘴(法兰)

A discharge nozzle with flange connection for controlled fluid exit from volute casing systems.

技术定义与适配语境
典型 排放喷嘴(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。

A discharge nozzle is a critical fluid-handling component featuring a flanged connection designed for secure attachment to volute casings in centrifugal pumps and similar machinery. It directs and regulates the flow of liquids or gases from the pump's volute casing into downstream piping systems, ensuring proper pressure management and minimizing turbulence. The flange provides a standardized, bolted interface for leak-proof sealing and easy maintenance access.

组件规格

定义
A discharge nozzle is a critical fluid-handling component featuring a flanged connection designed for secure attachment to volute casings in centrifugal pumps and similar machinery. It directs and regulates the flow of liquids or gases from the pump's volute casing into downstream piping systems, ensuring proper pressure management and minimizing turbulence. The flange provides a standardized, bolted interface for leak-proof sealing and easy maintenance access.
工作原理
The discharge nozzle operates by channeling fluid from the high-pressure zone of the volute casing through a precisely shaped outlet. The flange connection ensures a rigid, sealed joint with piping, maintaining system integrity under operational pressures and vibrations while allowing controlled flow expansion or redirection as required by the application.
材料
Typically ASTM A216 WCB carbon steelASTM A351 CF8/CF8M stainless steelductile iron (ASTM A536)or specialized alloys for corrosive/abrasive services. Flange faces machined to Ra 3.2-6.3 μm for gasket sealing.
Face Type
Raised face (RF) or flat face (FF)
Size Range
DN25 to DN600 (1" to 24")
Bolt Pattern
ASME B16.5 or DIN 2501 compliant
Connection Type
Flanged (ANSI/ASME B16.5, EN 1092-1)
Pressure Rating
PN10-PN40, Class 150-300
标准
ISO 7005-1ASME B16.5DIN 2501EN 1092-1

行业分类与别名

排放喷嘴(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

Incorrect bolt tightening sequence or torque->Flange leakage and fluid loss->Follow ASME PCC-1 bolting procedures and use calibrated torque wrenches
Material incompatibility with process fluid->Corrosion or erosion leading to nozzle wall thinning->Select materials based on corrosion charts and fluid analysis
Thermal expansion mismatch between nozzle and piping->Flange distortion or cracking->Include expansion joints or flexible connectors in system design

工业生态与工程逻辑

0
Leakage at flange joints due to improper gasket installation or bolt torque
1
Erosion/corrosion from aggressive fluids reducing service life
2
Misalignment causing stress on piping and pump casing
3
Pressure surges exceeding flange rating leading to failure

合规与检测

tolerance
Flange face flatness within 0.8 mm per ASME B16.5, nozzle bore diameter ±0.5% of nominal size
test method
Hydrostatic pressure testing per ISO 5208, helium leak testing for critical services, dimensional verification per engineering drawings

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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 primary function of a discharge nozzle in a volute casing?

It provides a controlled exit point for fluid from the volute casing, directing flow into piping systems while maintaining pressure and minimizing energy losses.

How do I select the correct flange standard for a discharge nozzle?

Match the flange standard (e.g., ANSI, DIN, EN) to your existing piping system, considering pressure rating, material compatibility, and regional regulations.

Can discharge nozzles be customized for specific applications?

Yes, they can be customized in material, size, flange type, and internal geometry to handle corrosive fluids, high temperatures, or abrasive slurries.

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