Name

API 623 STANDARD · CLASS 150–2500 · THROTTLING & SHUTOFF

The API 623 Flanged Globe Valve is a heavy-duty flow control
and isolation valve manufactured to API 623 standards for
demanding oil, gas, and refinery pipeline applications. Rated
from Class 150 to Class 2500 per ASME B16.34, it provides
precise throttling and reliable shutoff for steam, crude oil,
natural gas, and process chemical service, with full compliance
to API 598 pressure testing requirements.

API 623
Cấp áp lựcLớp 150 / 300 / 600 / 1500 / 1500
2500
Khoảng cỡNPS 1/2" – 24" (DN15 – DN600)
Vật liệu cơ thể WCB · CF8 · CF8M · WC6 · WC9
NameBolted / Pressure Seal / Bellows Sealed
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API 623 Flanged Globe Valve - Parameter Table

ParisMỘT SỐ HỌC
ChuẩnAPI 623
Cấp áp lựcHạng 150 / 300 / 600 / 900 / 1500 / 2.500 (AME B16.34)
Khoảng cỡNPS 1/2" – 24" (DN15 – DN600)
Vật liệu cơ thểWCB (ASTM A216) / CF8 (ASTM A351) / CF8M / WC6 / WC9
Nguyên liệu đĩaWCB+STL / F316/ CF8M / CF8 / F304
Nguyên liệu ghế ngồiA105+STL, F304, F316
Nguyên liệu gốcF6a, 17-7PH, F304, F316, XF-19
Kết nốiFlanged RF / RTJ – ASME B16.5
NameBolted Bonnet / Pressure Seal Bonnet / Bellows Sealed
Flow PatternStraight Pattern / Angle Pattern / Y-Pattern
Thao tácName
Lớp nghỉAPI 598 Class IV / Class VI
ChuẩnARI 598 (100% Kiểm tra áp suất biển và hệ thống)
Phạm vi nhiệt độ-29°C ~ +538°C (Material & Class Dependent)
Phương tiện thích hợpCrude Oil / Natural Gas / High-Pressure Steam / Process Chemicals

Our Production Process

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1. Casting

2. Machining

3. Testing

4. Loading

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Single-page datasheet for API 623 Flanged Globe Valve.

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Superior Throttling & Flow Regulation

The globe valve's linear plug-to-seat design enables precise flow throttling with high rangeability, making it the preferred choice over gate valves for applications requiring frequent partial-open operation. Stellite-overlaid disc and seat faces resist wire drawing erosion under high-velocity, high differential-pressure throttling conditions, ensuring sustained sealing performance over extended service life.

Pressure Seal & Bellows Sealed Options

For Class 900 and above high-pressure service, the pressure seal bonnet provides self-energized sealing under system pressure. For toxic, hazardous, or zero-fugitive emission applications, a bellows sealed stem design (ISO 15848 compliant) eliminates stem packing leakage risk, meeting the most demanding environmental and safety specifications in refinery and chemical plant procurement

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API 623 Flanged Globe Valve · Direct from 50,000m² Factory · Wenzhou, China