Name

LINEAR MOTION · PN10–PN320 · DN15–DN600 · BELLOWS SEALED OPTION

The GB/T 12235 Flanged Globe Valve is a linear motion
control and shutoff valve offering precise flow regulation and
reliable isolation performance. Manufactured to GB/T 12235
standards, it is widely used in steam, oil, gas, and chemical
pipelines where throttling, flow regulation, and frequent
operation are required. Available in straight, angle, and Y
pattern configurations to suit diverse installation
requirements.

GB/T 12235
NamePN10 / PN16 / PN25 / PN40 / PN64 /
PN100 / PN160 / PN320
Khoảng cỡDN15 – DN600
Vật liệu cơ thểWCB / WC6 / WC9 / CF8 / CF8M
NameBolted / Bellows Sealed (Zero Fugitive
Emission)
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GB/T 12235 Flanged Globe Valve - Parameter Table

ParisMỘT SỐ HỌC
ChuẩnGB/T 12235
NamePN10 / PN16 / PN25 / PN40 / PN64 / PN100 / PN160 / PN320
Khoảng cỡDN15 – DN600
Vật liệu cơ thểWCB / WC6 / WC9 / CF8 (304SS) / CF8M (316SS)
Nguyên liệu đĩaA105-STL, F304, F316
Nguyên liệu gốc20Cr13, 17-4PH, F304, F318, XM-19
Kết nốiFlanged – GB/T 9113 / RF / FF / RJ Face
NameBolted Bonnet / Bellows Sealed Bonnet (Zero Fugitive Emission)
Flow PatternStraight Pattern / Angle Pattern / Y-Pattern
Thao tácName
Lớp nghỉGB/T 28480 Class A / API 598 Class VI
ChuẩnGB/T 28480 / API 598 (100% Factory Pressure Test)
Phạm vi nhiệt độ-29°C ~ +425°C (Material Dependent)
Phương tiện thích hợpWater / Steam / Oil / Gas / Corrosive Chemical Media

Our Production Process

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1. Casting

2. Machining

3. Testing

4. Loading

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This Product Spec Sheet

Single-page datasheet for GB/T 12235 Flanged Globe Valve.

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Precision Flow Control & Sealing

The globe valve's linear disc-to-seat contact geometry enables precise throttling control, making it superior to gate valves for flow regulation applications. Stellite-overlaid disc and seat surfaces provide excellent erosion and corrosion resistance, maintaining Class A tight shutoff under high pressure steam and high-temperature service conditions up to 425°C.

Bellows Sealed Zero Fugitive Emission Option

For toxic, hazardous, or environmentally sensitive media, a bellows sealed bonnet option is available, providing zero fugitive emission performance and eliminating stem packing leakage risk. This design fully complies with ISO 15848 fugitive emission standards and is widely specified in refinery, chemical, and LNG projects

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GB/T 12235 Flanged Globe Valve · Direct from 50,000m² Factory · Wenzhou, China