日韩国产高清视频在线_aa国产成人_紧缚捆绑精品一区二区_五月婷婷综合色_阿v视频在线_国产精品欧美日韩_污视频网站在线_欧美激情极品视频_欧美18一12sex性处hd_欧美v国产在线一区二区三区

主要零件和材質 Main parts and materials

產品結構特點 Construction features

       1、符合國內外先進標準的要求，密封可靠，性能優良，造型美觀。

       2、閘板、閥座密封面用鐵基合金堆焊或司太立（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。

       3、采用楔式彈性閘板結構，中大口徑設置滾動軸承，開關靈活，啟閉輕松。

       4、閥桿經調質及表面氮化處理，有良好的抗腐蝕性，抗擦傷性和耐磨性。

       5、可采用各種配管法蘭標準及法蘭密封面型式，滿足各種工程需要及用戶要求。

       6、閥體材料品種齊全，填料、墊片可根據實際工況或用戶要求合理選配，能適用 于各種壓力、溫度及介質工況。

1. Meet the requirements of advanced standards at home and abroad, the sealing is reliable, the performance is excellent, the shape is beautiful.

2. The sealing surface of the gate and seat is made of iron base alloy surfacing or stellite (stellite) cobalt base hard alloy. It is wear-resistant, high temperature,corrosion resistant, good abrasion resistance and long service life.

3. Using wedge-type elastic gate structure, the middle and large diameter has the rolling bearing, the switch is flexible, and the opening and closing is easy.

4. The valve rod is treated with the adjustment and surface nitrification. It has good corrosion resistance, abrasion resistance and abrasion resistance.

5. Various piping flange standard and flange sealing cover type can be used to meet all engineering needs and user requirements.

6. The valve body material is complete, the packing and gasket can be selected according to the actual conditions or users, which can be applied to various pressure,temperature and medium conditions.

產品特征 Spericfications

適用介質：水、氣、油品、天然氣和酸堿腐蝕性介質

適用溫度：-196~425℃

驅動方式：手動、氣動、電動等

公稱壓力：1.0~10.0MPa

公稱通徑：DN50~1200mm

Applicable media: water, gas, oil, gas and acid and alkali corrosive medium

Applicable temperature: -196~425℃

Driver: manual, pneumatic, electric, etc

Nominal pressure: 1.0~10.0MPa

Nominal size: DN50~1200mm

技術規范 Technical specification

試驗壓力 Test prssure

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