主要零件和材質 Main parts and materials

產(chǎn)品結構特點 Construction features

1、產(chǎn)品設計制造按E101和JB/T 3595標準的規(guī)定，結構合理，性能優(yōu)良，造型美觀。

2、閥門中腔采用壓力自緊式密封結構，介質壓力越高，密封性能越好。

3、支管兩端為焊接結構，適應不同的接管要求。

4、閥瓣、閥座密封面采用司太立（stellite）鈷基硬質合金堆焊而成，耐磨、耐高溫、耐腐蝕、抗擦傷性能好、使用壽命長。

5、高溫耐壓部件采用優(yōu)質耐熱合金鋼制造，安全可靠，性能穩(wěn)定，使用壽命長。

1. Product design and manufacturing shall be based on E101 and JB/T 3595 standard, with reasonable structure, excellent performance and beautiful appearance.

2. Pressure self-tightening seal structure is adopted in the valve middle cavity.The higher the medium pressure, the better the sealing performance.

3. The two ends of the branch are welded to meet different takeover requirements.

4. Disc, seat cover, and stellite (stellite) cobalt base alloy, which is used for hard wear, high temperature resistance, corrosion resistance, good abrasion resistance and long service life.

5. High temperature withstａnd pressure parts are made of high quality heat-resistant alloy steel, safe and reliable, stable performance and long service life.

產(chǎn)品特征 Spericfications

適用介質：水、氣、油品、天然氣和酸堿腐蝕性介質
適用溫度：-196~540℃
驅動方式：手動、氣動、電動等
公稱壓力：20.0~32.0MPa
公稱通徑：DN50~250mm
Applicable media: water, gas, oil, gas and acid and alkali corrosive medium
Applicable temperature: -196~540℃
Driver: manual, pneumatic, electric, etc
Nominal pressure: 20.0~32.0MPa
Nominal size: DN50~250mm

技術規(guī)范 Technical specification

試驗壓力 Test prssure

止回閥結構長度和外接尺寸 Main connection dimensions