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Keystone K-LOK Series 36/37 High Performance Butterfly Valve
Keystone K-LOK系列36/37高性能蝶閥
The Keysotne K-LOK Series 36/37 is a high performance butterfly valve rated to ASME Class 150 and 300, available in wafer, lugged and flanged style.The unique design does not rely on pressure to assist sealing and therefore seals at high and low pressures, as well as dirty services.
基士敦/凱思通/凱斯通K-LOK系列36/37是一個(gè)高性能蝶閥額定為ASME級(jí)150和300，有對(duì)夾式，凸耳式。獨(dú)特的設(shè)計(jì)不依賴壓力來(lái)輔助密封，因此在高和低壓力下密封，以及骯臟的服務(wù)。
Features
· K-LOK polymer and elastomer seats provide bi-directional, drop-tight shut-off in vacuum as well as at full rated differential pressure.Its unique design does not rely on pressure to assist sealing therefore seals at high and low pressures, as well as dirty services.A variety of materials allows optimum seat life in all applications.
· Blow-out resistant shaft is standard on all valves for increased safety.
· Unique packing design allows for use in pressure as well as vacuum without modification or special assembly.
· Disc taper pins are tangentially positioned half in disc and half in shaft, placing them in compression rather than shear, which eliminates potential for failure.
· Rocker-shaped gland bridge compensates for uneven adjustment of gland nuts reducing packing leaks.
· Integrally cast disc position stop perfectly locates the disc in seat, achieving maximum seat and seal life.
· Extended neck allows for 50 mm (2") of pipeline insulation.
· Integrally cast mounting pad provides direct mounting of actuators eliminating the need for costly brackets and couplings.
· Flattened body bore at shaft journal ports positions shaft bearings near disc, providing maximum shaft support resulting in reduced wear and longer life.
Keystone K-LOK系列36/37高性能蝶閥
- K-LOK聚合物和彈性閥座提供雙向密封，在真空以及在全額定壓差.其獨(dú)特的設(shè)計(jì)不依賴壓力來(lái)輔助密封，因此，密封在高和低的壓力，以及骯臟的服務(wù)。在所有應(yīng)用中，各種材料都允許*佳的使用壽命。
- 所有閥門上的防爆軸都是標(biāo)準(zhǔn)的，以提高**性.
- 獨(dú)特的包裝設(shè)計(jì)允許在壓力和真空中使用，無(wú)需修改或特殊裝配。
- 閥板錐度銷是切向定位的一半在閥瓣，一半在軸，放置在壓縮而不是剪切，這消除了潛在的風(fēng)險(xiǎn)。
- 搖桿形壓蓋橋?qū)荷w螺母的不均勻調(diào)整進(jìn)行了補(bǔ)償，減少了填料泄漏。
- 整體鑄造閥瓣位置停止上乘定位閥瓣在閥座上，達(dá)到*大閥座和密封壽命。
- 擴(kuò)展頸允許50毫米(2“)管道絕緣。
- 整體鑄造安裝座提供直接安裝執(zhí)行機(jī)構(gòu)，直接取消了支架和轉(zhuǎn)換軸，有效降低成本。
- 軸頸孔扁平閥體孔將軸軸承放置在閥瓣附近，提供*大的軸支撐，從而減少磨損，延長(zhǎng)使用壽命。
Specifications
Material
316 Stainless Steel, 316L Stainless Steel, Carbon Steel, Duplex, Stainless Steel, Super Duplex
Pressure Class
ASME
Process Connection Type
150RF, 300RF
Seat/Seal Type
High performance
Shutoff Class
Zero Leakage
Standards
API 609, ASME B16.34
Valve Size
PS 10 / DN 250, NPS 12 / DN 300, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450, NPS 2 / DN 50, NPS 20 / DN 500, NPS 2-1/2 / DN 65, NPS 24 / DN 600, NPS 3 / DN 80, NPS 4 / DN 100, NPS 6 / DN 150
Valve Size Standard
NPS
Valve Type
Butterfly, High performance Butterfly Valve
Shutoff Class
Zero Leakage
Standards
ASME B16.34, API 609
Valve Size
PS 14 / DN 350, NPS 16 / DN 400, NPS 2 / DN 50, NPS 20 / DN 500, NPS 2-1/2 / DN 65, NPS 24 / DN 600, NPS 4 / DN 100, NPS 6 / DN 150, NPS 8 / DN 200, NPS 3 / DN 80, NPS 12 / DN 300, NPS 18 / DN 450
規(guī)格
材料
316不銹鋼，316 L不銹鋼，碳鋼，雙相，不銹鋼，超級(jí)雙相
壓力級(jí)
ASME
過(guò)程連接類型
150 RF，300 RF
閥座/密封式
高性能
關(guān)閉級(jí)
零泄漏
標(biāo)準(zhǔn)
API 609，ASME B16.34
閥門尺寸
PS 10/DN 250、NPS 12/DN 300、NPS 14/DN 350、NPS 16/DN 400、NPS 18/DN 450、NPS 2/DN 50、NPS 20/DN 500、NPS 2-1/2/DN 65、NPS 24/DN 600、NPS 3/DN 80、NPS 4/DN 100、NPS 6/150
閥門尺寸標(biāo)準(zhǔn)
NPS
閥型
蝶閥，高性能蝶閥
關(guān)閉級(jí)
零泄漏
標(biāo)準(zhǔn)
ASME B16.34，API 609
閥門尺寸
PS 14/DN 350、NPS 16/DN 400、NPS 2/DN 50、NPS 20/DN 500、NPS 2-1/2/DN 65、NPS 24/DN 600、NPS 4/DN 100、NPS 6/DN 150、NPS 8/DN 200、NPS 3/DN 80、NPS 12/DN 300、NPS 18/DN 450
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