
主要零件和材質(zhì) Main parts and materials
序號(hào) NO | 零件名稱 Accessor name | 材質(zhì) Material |
ASTM/API 系列 series |
1 | 閥體 Body | A216, WCB, A217(WC6, WC9) |
2 | 螺柱 Bonnet bolt | A193, B16 |
3 | 閥蓋 Bonnet | A216, WCB, A217(WC6, WC9) |
4 | 填料 Packing | 石墨 PTFE |
5 | 圓柱銷 Tin | A276, 420 |
6 | 支架螺母 Nut | A193, B7 |
7 | 千斤座 Topping bracket | A216, WCB, A217(WC6, WC9) |
8 | 填料壓套 Gland | A216, WCB, A217(WC6, WC9) |
9 | 支架 Yoke | A216, WCB |
10 | 六角螺母 Nut | A194, 4 |
11 | 四開環(huán) Pendant colet | ASTM, A105, A182, F11, F22 |
12 | 填料壓蓋 Gland | A216, WCB, A217, WC6 |
13 | 密封墊 Gaskes | A182, F304, A182, F11, F22 |
14 | 密封環(huán) Seal ring | 石墨 , A182, F316L |
15 | 閥桿 Stem | A276, 420, A182, F11, F22 |
16 | 浮動(dòng)座 Floating seat | ASTM, A105, A182, F11, F22 |
17 | 閘板 Wedge | A216, WCB, A217(WC6, WC9) |
18 | 閥桿螺母 Stem nut | ZCuAl10Fe3 |


產(chǎn)品結(jié)構(gòu)特點(diǎn) Construction features
1、符合GB標(biāo)準(zhǔn)的要求,結(jié)構(gòu)合理、密封可靠、性能良好、造型美觀。
2、材料品種齊全、填料、墊片可根據(jù)用戶不同要求合理選配,能適用于各種壓力、溫度及介質(zhì)工況,高溫閥門耐壓部件選用優(yōu)質(zhì)耐熱合金鋼制造,密封面采用司太立(stellite)鈷基硬質(zhì)合金,安全可靠,性能穩(wěn)定,使用壽命長。
3、閥體閥蓋結(jié)構(gòu)設(shè)計(jì)合理,壁厚經(jīng)嚴(yán)格控制及檢測符合國家標(biāo)準(zhǔn)GB12234及美國標(biāo)準(zhǔn)ANSI B16.34要求,強(qiáng)度高、剛性好、流阻小。
4、采用楔式彈性閘板結(jié)構(gòu),經(jīng)整體精鑄制成,造型精美,密封性能好。
5、閥桿采用耐熱合金鋼,經(jīng)鍛粗和調(diào)質(zhì)及表面氮化處理,有良好的綜合力學(xué)性能和抗腐蝕性,抗擦傷性。
6、閘閥全部采用倒密封結(jié)構(gòu),可在不停機(jī)工況下進(jìn)行維修或增改填料。
7、閥桿螺母采用內(nèi)函式結(jié)構(gòu),與支架連接部位設(shè)置滾珠軸承,轉(zhuǎn)動(dòng)力矩小、啟閉輕松。
8、根據(jù)用戶或工程要求合理選擇連接形式,多種操作方式可滿足不同的使用要求。
1. Accord with GB standard, reasonable structure, reliable sealing, good performance and beautiful appearance.
2. Variety complete, packing and gasket materials reasonable matching, can according to customer's request to apply to all kinds of pressure, temperature and medium conditions, high pressure valve selects high quality alloy steel manufacturing,sealing surface using department too vertical (stellite) cobalt-based hard alloy,safe and reliable, stable performance and long service life.
3. The valve bonnet structure is reasonable, the wall thickness is strictly controlled and the test conforms to the national standard GB12234 and the American standard ANSI B16.34, the strength is high, the rigidity is good, the flow resistance is small.
4. Using wedge-type elastic gate structure, it is made of whole cast, with fine design and good sealing performance.
5. The stem is made of heat-resistant alloy steel with good mechanical properties and corrosion resistance and abrasion resistance.
6. Gate valves shall be fully resealed, which may be repaired or modified in unstopped working conditions.
7. The stem nut adopts the internal function structure, the ball bearing is set up with the connecting part of the bracket, the torque is small and the lifting is easy.
8. According to the requirements of users or engineering, the connection form should be reasonably selected, and various operation modes can meet different usage requirements.
產(chǎn)品特征 Spericfications
適用介質(zhì):水、氣、油品、天然氣和酸堿腐蝕性介質(zhì)
適用溫度:-196~540℃
驅(qū)動(dòng)方式:手動(dòng)、氣動(dòng)、電動(dòng)等
公稱壓力:20.0~32.0MPa
公稱通徑:2"~20"
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: 2"~20"
技術(shù)規(guī)范 Technical specification
設(shè)計(jì)依據(jù) Design reference | ASME/API系列 ASME/API series |
設(shè)計(jì)標(biāo)準(zhǔn) Design standard | ASME B16.34 API600 |
結(jié)構(gòu)長度 Face to face | ASME B16.10 |
連接法蘭 End flange | ASME B16.25 |
試驗(yàn)和檢驗(yàn) Test & inspection | API 598 |
試驗(yàn)壓力 Test prssure
壓力等級(jí) Pressure grade | 試驗(yàn)壓力 Test pressure |
公稱壓力 PN Nominal pressure | 殼體試驗(yàn) Sheil test | 正密封試驗(yàn) Sealing test | 反密封試驗(yàn) Sealing test | 氣密封試驗(yàn) Air seal test |
900LB | 22.5 | 16.5 | 16.5 | 0.6 |
1500LB | 37.5 | 27.5 | 27.5 | 0.6 |
2500LB | 63 | 46.2 | 46.2 | 0.6 |
閘閥結(jié)構(gòu)長度和外接尺寸 Main connection dimensions
PN:20.0 P54 100V | PN:25.0 P54 140V | PN:32.0 P54 170V |
公稱通徑 DN | L (mm) | H (mm) | L (mm) | H (mm) | L (mm) | H (mm) |
2" | 368 | 835 | 368 | 715 | 451 | 715 |
3" | 381 | 975 | 470 | 735 | 578 | 735 |
4" | 457 | 1200 | 546 | 830 | 673 | 830 |
6" | 610 | 1280 | 705 | 1054 | 914 | 1054 |
8" | 737 | 1370 | 832 | 1422 | 1022 | 1422 |
10" | 838 | 1495 | 991 | 1715 | 1270 | 1715 |
12" | 965 | 1830 | 1130 | 1905 | 1422 | 1905 |
14" | 1029 | 2145 | 1257 | 1990 |
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16" | 1130 | 2405 | 1384 | 2210 |
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20" | 1321 | 2800 | 1664 | 2432 |
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