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Stainless steel welded globe valve

Stainless steel welded globe valve

Design and manufacturing: GB/T12235
The structural length: GB/T12221
Connection forms: HG/T20592-20605, GB/T9112-91224
Inspection and test: GB/T13927
Caliber: 1/2"~50"
Pressure temperature level: GB/T12224
Drive mode: Manual, worm gear, pneumatic, electric, hydraulic etc
Pressure: PN1.0MPa~PN42.0MPa, Class150-Class25500
Product Detail

Structural Features:
The stainless steel globe valve is a type of globe valve that requires high-quality body materials—commonly 301, 304, or 316—and is widely used in industries such as chemicals, shipbuilding, pharmaceuticals, and food machinery. These valves are available in manual, pneumatic, and electric versions.
a. The structure is simpler than that of a gate valve, making manufacturing and maintenance more convenient.
b. The sealing surfaces are resistant to wear and scuffing; the valve offers excellent sealing performance because there is no relative sliding between the disc and the body's sealing surface during opening and closing, resulting in minimal wear and a long service life.
c. The disc travel is short during operation, resulting in a lower overall height compared to gate valves, although the face-to-face length is greater.
d. Fluid resistance is high; the flow path within the valve body is relatively tortuous, leading to significant fluid resistance and higher energy consumption.

Standards and Norms:

Design Spec. Face to Face Flange End Test & Check Pressure‑Temp.
GB/T 12235 BS 1873 GB/T 12221 JB/T 79 HG20592 JB/T 9092 GB/T 13927 GB/T 12224 ASME B16.34

 

Performance Parameters:

No. Item Name PN16 PN25 PN40 PN64 PN100 PN160
1 Nominal Pressure (MPa) 1.6 2.5 4.0 6.4 10 16
2 Body Strength Test Pressure (MPa) 2.4 3.75 6.0 9.6 16 24
3 High‑Pressure Seal Test Pressure (MPa) 1.76 2.75 4.4 7.04 11 17.6
4 Operating Pressure at Ambient Temperature (MPa) ≤1.6 ≤2.5 ≤4.0 ≤6.4 ≤10 ≤16

Product Specification:

Part Name Material Name
Valve Body ZG08Cr18Ni9 ZG08Cr18Ni10 A351CF8 A351CF8M A351CF3 A351CF3M
Valve Cover ZG08Cr18Ni9 ZG08Cr18Ni10 A351CF8 A351CF8M A351CF3 A351CF3M
Valve Disc ZG08Cr18Ni9 ZG08Cr18Ni10 A351CF8 A351CF8M A351CF3 A351CF3M
Sealing Face Body Body Body Body Body Body
Valve Stem 08Cr18Ni9 08Cr18Ni10 A182 F304 A182 F316 A182 F304L A182 F316L
Gasket PTFE PTFE PTFE PTFE PTFE PTFE
Bolt 08Cr18Ni9 08Cr18Ni10 A193 B8 A193 B8M A193 B8M A193 B8M
Nut 08Cr18Ni9 08Cr18Ni10 A194 8 A194 8M A194 8M A194 8M
Operating Temperature ‑46~200℃ ‑46~200℃ ‑46~200℃ ‑46~200℃ ‑46~200℃ ‑46~200℃
Applicable Medium Nitric acid weak corrosive medium Nitric acid weak corrosive medium Nitric acid weak corrosive medium Nitric acid weak corrosive medium Nitric acid weak corrosive medium Nitric acid weak corrosive medium
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