主要零件和材質 Main parts and materials
序號 NO | 零件名稱 Accessor name | 材質 Material |
GB系列 |
1 | 閥體 Body | WCB, WC6, WC9, 20CrMoV, 15Cr1MoV |
2 | 浮動座 Floating seat | A105, F304, 25Cr2MoV |
3 | 密封環 Seal ring | 石墨 PTFE, 316L |
4 | 密封墊 Gaskes | F304, 20CrMoV, 15cR1MoV |
5 | 四合環 Washer | 20Cr13, 20Cr1MoVA |
6 | 閥蓋 Bonnet | A105, F304 |
7 | 千斤座 Topping bracket | WCB, WC6 |
8 | 圓錐銷 Pin | 20Cr13, 304 |
9 | 活節螺栓 Bonnet bolt | 35#, 304, 316 |
10 | 填料 Packing | 石墨 PTFE |
11 | 填料壓蓋 Gland | WCB, WC6 |
12 | 螺母 Nut | 45# |
13 | 支架 Yoke | WCB, WC6 |
14 | 六角螺母 Nut | 45# |
15 | 內六角螺柱 Bonnet bolt | 35# |
16 | 夾排 Clip line | Q235 |
17 | 閥瓣 Wedge | A105, F304, F316, F316L |
18 | 小閥瓣 Wedge | A105, F304, F316, F316L |
19 | 閥瓣蓋 Bonnet cap | A105, F304, F316, F316L |
20 | 閥桿 Stem | 20Cr113, 38CrMoAL, 25Cr2MoV |
21 | 螺柱 Bonnet bolt | 35, 35CrMo, 25Cr2MoV |
產品結構特點 Construction features
1、產品設計制造按 E101和 JB/T 3595標準的規定,結構合理,性能優良,造型美觀。
2、閥門中腔采用壓力自緊式密封結構,密封性能好。支管兩端為焊接結構,焊接坡口可按標準或用戶要求配接。
3、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、抗擦傷性能好、使用壽命長。
4、閥桿經調質和表面氮化處理,有良好的抗腐蝕性和抗擦傷性。
5、閥蓋填料函深度合理,填料加緩蝕劑,密封可靠。
6、閥門具有倒密封結構,保證閥門開啟運行時,不經閥桿外漏。
7、電動截止閥配有DZW系列閥門電動裝置,具有殼體小,重量輕,功能全,外形
美等特點,并可與程控電腦配套使用,也可按用戶要求選配電動裝置。
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 sealing structure is adopted in the valve middle cavity,and the sealing property is good. The two ends of the branch are welded, and the weld groove can be connected by standard or user's request.
3. The disc and seat cover are made of stellite and cobalt base hard alloy, wear resistant, high temperature resistance, good abrasion resistance and long service life.
4. The valve rod is treated with adjustment and surface nitrification. It has good corrosion resistance and abrasion resistance.
5. The valve cover packing function is reasonable, packing and corrosion inhibitor,sealing and reliable.
6. The valve has an inverted seal structure to ensure that the valve opens and runs without the stem leakage.
7, electric cut-off valve is equipped with DZW series valve electric device, with a small shell, light weight, full functions, appearance beautiful wait for a characteristic,and can be used with programmable computer, can also be equipped with electric device according to the requirements of customers.
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:-196~540℃
驅動方式:手動、氣動、電動等
公稱壓力:1.0~4.0MPa
公稱通徑:DN15~250mm
Applicable media: water, gas, oil, gas and acid and alkali corrosive medium
Applicable temperature: -196~540℃
Driver: manual, pneumatic, electric, etc
Nominal pressure: 1.0~4.0MPa
Nominal size: DN15~250mm
技術規范 Technical specification
設計依據 Design reference | GB系列 GB series |
設計標準 Design standard | GB/T12235 NB/T47044 DL531 |
結構長度 Face to face | GB/T12221 |
連接法蘭 End flange | GB/T12224 |
試驗和檢驗 Test & inspection | GB/T26480 |
試驗壓力 Test prssure
壓力等級 Pressure grade | 試驗壓力 Test pressure |
公稱壓力 PN Nominal pressure | 殼體試驗 Sheil test | 正密封試驗 Sealing test | 反密封試驗 Sealing test | 氣密封試驗 Air seal test |
16.0 | 24.0 | 17.6 | 17.6 | 0.6 |
20.0 P54 10V | 30.0 | 22.0 | 22.0 | 0.6 |
25.0 P54 14V | 37.5 | 27.5 | 27.5 | 0.6 |
32.0 P54 17V | 48.0 | 32.5 | 32.5 | 0.6 |
P55 10V | 37.5 | 27.5 | 27.5 | 0.6 |
P55 14V | 48.0 | 36.0 | 36.0 | 0.6 |
P55 17V | 53.0 | 39.0 | 39.0 | 0.6 |
P57 10V | 48.0 | 36.0 | 36.0 | 0.6 |
P57 14V | 53.0 | 39.0 | 39.0 | 0.6 |
P57 17V | 60.0 | 44.0 | 44.0 | 0.6 |
截止閥結構長度和外接尺寸 Main connection dimensions
PN:16.0~32.0 P54 100V P54 140V P54 170V |
公稱通徑 DN | L (mm) | H (mm) |
50 | 320 | 722 |
65 | 430 | 1060 |
80 | 470 | 1280 |
100 | 560 | 1290 |
125 | 650 | 1250 |
150 | 730 | 1400 |