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API Gate valve

9 Apr 2018 16:26:00 browse:11834
  • Introduction
  • Technical Parameters

【Product Usage】

Z40H American standard gate valve is suitable for ANSI Class150~2500, PN20~42, JIS10~20K, operating temperature -29~425°C(carbon steel) and -40~500°C(stainless steel), for cutting or connecting The medium in the pipeline. By selecting different materials, it can be applied to various media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing medium and urea.


1 product design and manufacture in line with foreign advanced standards, reliable sealing and excellent performance.

2 compact and reasonable structural design, beautiful appearance.

3 The wedge-type elastic gate structure is adopted, and the rolling bearing is set in medium and large diameter, which makes opening and closing easy.

4 The full range of valve body materials, packing, gasket according to the actual working conditions or user requirements reasonable choice, applicable to all kinds of pressure, temperature and medium conditions.

5 It adopts a variety of domestic and foreign pipe flange standards and flange sealing surface types to meet various engineering needs and user requirements.

【Executive standard】

Design and Manufacturing: API 600

Flange size: ANSI B16.5

Structure length: ANSI B16.10

Pressure ~ Temperature: ANSI B16.34

Inspection and Test: API 598

Strength test Water seal test Hermetic test
MPa Lbf/in2 MPa Lbf/in2 MPa Lbf/in2
150 3.1 450 2.2 315 0.6 60
300 7.8 1125 5.6 815 0.6 60
600 15.3 2225 11.2 1630 0.6 60
Body WCB 1Cr18Ni9Ti CF8(304) CF3(304L) 1Cr18Ni12Mo2Ti CF8M(316)
Seal Cr13/Carbide (W)/(Y)
Stem and internals 2Cr13 1Cr18Ni9Ti 0Cr19Ni9(304) 00Cr19Ni11(304L) 1Cr18Ni12Mo2Ti 0Cr17Ni12Mo2(316)
filler Flexible graphite
Gasket Stainless steel spiral wound gasket
Suitable medium Water, steam, oil,
Nitric acid and other corrosive media Strong oxidizing medium Corrosive media such as acetic acid
Temp -29~425℃ -40~500℃
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