国内精品久久,小茹和小黄狗,日韩熟妇被干视频,亚洲国产精品免费线观看

標(biāo)準(zhǔn)編號(hào) 標(biāo)準(zhǔn)中文名稱 標(biāo)準(zhǔn)英文名稱
SY/T5215-87  鉆具止回閥 　
GB/T12235-1989  通用閥門法蘭連接鋼制截止閥和升降式止回閥 General purpose industrial valves—Flanged steel globe valveslift check valves
GB/T1241-1983  船用外螺紋鍛鋼截止止回閥 Marine forged steel male thread stopcheck valves
GB/T12233-1989  通用閥門鐵制截止閥與升降式止回閥 General purpose industrial valves—Casting iron globe valveslift check valves
GB/T12236-1989  通用閥門鋼制旋啟式止回閥 General purpose industrial valves—Steel swing check valves
GB/T13932-1992  通用閥門鐵制旋啟式止回閥 General purpose industrial valves--Cast iron swing check valves
GB/T18691-2002  農(nóng)業(yè)灌溉設(shè)備止回閥 Agricultural irrigation equipment--Check valves
GB/T1952-1980  船用低壓外螺紋青銅止回閥 Low bressure bronze male screw-thread check valve for marine use
GB/T597-1983  船用外螺紋青銅止回閥 Marine bronze male thread lift check valves
GB/T592-1993  船用法蘭鑄鐵止回閥 Marine cast iron flanged lift check valves
GB/T591-1993  船用法蘭鑄鐵截止止回閥 Marine cast iron flanged stop check valves
GB/T586-1999  船用法蘭鑄鋼止回閥 Marine cast steel flanged check valves
GB/T588-1993  船用法蘭青銅截止止回閥 Marine bronze flanged stop check valves
GB/T589-1993  船用法蘭青銅止回閥 Marine bronze flanged check valves
GB/T596-1983  船用外螺紋青銅截止止回閥 Marine bronze male thread stopcheck valves
GB/T585-1999  船用法蘭鑄鋼截止止回閥 Marine cast steel flanged stop check valves
GB/T1953-1984  船用低壓外螺紋青銅截止止回閥 Marine low pressure bronze male threaded stop check valves
JB/T8937-1999  對夾式止回閥 　
JB/T復(fù)審  旋啟式止回閥閥瓣密封圈 　
JB/T復(fù)審  旋啟式止回閥閥瓣密封圈壓板 　
JB/T53036-1999  止回閥 產(chǎn)品質(zhì)量分等 　
NF E29-350-2003  工業(yè)用閥.鋼制球閥、球狀截止閥和止回閥 Industrial valves - Steel globeglobe stopcheck valves.
NF E29-316-3-2000  供水用閥門.適用性要求和檢查試驗(yàn).第3部分:止回閥 Valves for water supply - Fitness for purpose requirementsappropriate verification tests - Part 3 : check valves.
NF P43-017-1989  建筑物水管閥門.帶法蘭可調(diào)EA止回閥.一般技術(shù)規(guī)范 VALVES AND TAPS FOR WATER SUPPLY IN BULDINGS. CONTROLLABLE CHECK VALVES EA,WITH FLANGES. GENERAL TECHNICAL SPECIFICATIONS.
NF E29-373-1984  工業(yè)閥門.止回閥.鋼制，單搖板式，帶法蘭盤,ISO標(biāo)準(zhǔn)壓力16，20，25，40，50，100 Industrial valves. Flanged steel swing check valves. ISO PN A6, ISO PN 20, ISO PN 25, ISO PN 40, ISO PN 50, ISO PN 100.

NF P43-007-1985  建筑物水管閥門.*控制非止回閥.一般技術(shù)規(guī)范 Valvestaps for water supply in buildings. Controllable check valves class A. General technical specifications.
NF S62-143-2001  固定的消防系統(tǒng).氣體滅火系統(tǒng)用元件.第13部分:止回閥的要求和試驗(yàn)方法 Fixed firefighting systems - Components for gas extinguishing systems - Part 13 : requirementstest methods for check valvesnon-return valves.
NF E29-335-2003  石油和天然氣工業(yè)用尺寸為DN 100及更小的鋼閘閥、球閥和止回閥 Steel gate, globecheck valves for sizes DN 100smaller, for the petroleumnatural gas industries.
NF E29-372-2001  工業(yè)閥門.鑄鐵止回閥 Industrial valves - Cast iron check valves.
NF E48-423-2001  液壓傳動(dòng).減壓閥、順序閥、卸載閥、節(jié)流閥和止回閥.裝配面 Hydraulic fluid power - Pressure-reducing valves, sequence valves, unloading valves, throttle valvescheck valves - Mounting surfaces.
ANSI/ASSE 1024-1998  雙重止回閥型防回流裝置 Dual Check Valve Type Backflow Preventers
ANSI/FCI 74-1-1990  彈簧加載升降隔膜止回閥 Valves, Spring Loaded Lift Disc Check
ANSI/AWWA C 508-2001  2in50mm-24in600mmNPS水廠設(shè)備用擺動(dòng)止回閥 Swing-Check Valves for Waterworks Service, 2 in 50 mm through 24 in 600 mm NPS
ANSI/UL 312-1996  消防裝置的止回閥 Check Valves for Fire-Protection Service
BS EN 13709-2003  工業(yè)用閥.鋼制球閥、球狀截止閥和止回閥 Industrial valves - Steel globeglobe stopcheck valves
BS EN ISO 15761-2003  石油和天然氣工業(yè)用尺寸為DN 100及更小的鋼閘閥、球閥和止回閥 Steel gate, globecheck valves for sizes DN 100smaller, for the petroleumnatural gas industries
BS EN 12050-4-2001  建筑物和工地用廢水提升設(shè)備.制造和試驗(yàn)原理.不含糞便和含有糞便的廢水用止回閥 Wastewater lifting plants for buildingssites - Principles of constructiontesting - Non-return valves for faecal-free wastewaterwastewater containing faecal matter
BS ISO 5781-2000  液壓傳動(dòng).減壓閥、順序閥、卸荷閥、節(jié)流閥和止回閥.安裝面 Hydraulic fluid power - Pressure reducing valves, sequence valves, unloading valves, throttle valvescheck valves - Mounting surfaces
BS EN 1074-3-2000  供水用閥門.目的要求和適當(dāng)驗(yàn)收試驗(yàn)的合理性.止回閥 Valves for water supply - Fitness for purpose requirementsappropriate verification tests - Check valves
EN 12334-2001  工業(yè)閥門　鑄鐵止回閥　 Industrial valves - Cast iron check valves
prEN 13327-1998  工業(yè)閥門 熱塑性材料止回閥 Industrial valves - Check valves of thermoplastics materials
EN 13709-2002  工業(yè)閥門 鋼球和球止回閥 Industrial valves - Steel globeglobe stopcheck valves
EN 12094-13-2001+AC-2002  固定式消防系統(tǒng)　氣體滅火系統(tǒng)的部件　第13部分：對止回閥和非回流閥的要求及試驗(yàn)方法 Fixed firefighting systems - Components for gas extinguishing systems - Part 13: Requirementstest methods for check valvesnon-return valves
BS 7438-1991  彈簧加載型鋼和銅合金單盤壓片止回閥規(guī)范 Specification for steelcopper alloy wafer check valves, single-disk, spring-loaded type
DIN 5594-1994  有軌車輛用壓縮空氣裝置.雙止回閥.安裝和連接尺寸 Compressed air equipment for rail vehicles - Double check valves - Installationcompanion dimensions
DIN 86261-1998  造船用炮銅制可閉鎖帶法蘭DN15至500的止回閥 Non return valves for shipboard use, cutt off type, of gun metall, with flanges, DN 15 to 500
DIN 86252-1998  造船用鑄鐵制可閉鎖帶法蘭DN15至500的止回閥 Non return valves for shipboard use, cutt off type, of cast iron, with flanges, DN 15 to 500
DIN 85003-5-1997  造船用管件的交貨技術(shù)條件.第5部分:截止止回閥 Technical specifications for valves for shipboard use - Part 5: Cutt off type non return valves
DIN 5593-1994  有軌車輛用壓縮空氣裝置.止回閥.安裝和連接尺寸 Compressed air equipment for rail vehicles - Check valves - Installationcompanion dimensions
DIN 3269-2-1988  地段和建筑物內(nèi)飲水裝置用管件.止回閥PN10.檢驗(yàn) Valves for domestic drinking water installations; check valves PN 10; tests
DIN 3269-1-1988  地段和建筑物內(nèi)飲水裝置用管件.止回閥PN10.要求 Valves for domestic drinking water installations; check valves PN 10; requirements
DIN 87101-1975  垂直型.公稱寬度50-150.公稱壓力1.自閉式止回閥.符合公稱壓力的法蘭連接 Non-return flaps storm valves, self-closing, vertical type, nominal diameter 50 up to 150, nominal pressure 1; mating dimensions for flanges according to nominal pressure 10
DIN 3441-5-1984  非增塑聚氯乙烯管件.壓緊止回閥PN6和PN10.尺寸 Unplasticized polyvinyl chloride PVC-U valves; PN 6PN 10 wafer type butterfly valves; dimensions
DIN 87104-1975  DIN87101止回閥用閥插入件 Flap Inserts for Non-return Flaps in accordance with DIN 87101
DIN 3247-1985  無止回閥.帶法蘭的吸濾器 Flanged suction strainers without non-return valve
DIN 87106-1975  DIN87101止回閥用定位裝置 Locking Devices for Non-return Flaps in accordance with DIN 87101
DIN 3259-1985  帶止回閥的法蘭吸濾器腳閥 Flanged suction strainers with non-return valve
DIN 477-4-1982  氣瓶閥.輕便儲(chǔ)氣瓶頸的止回閥 Compressed gas cylinder valves; swing check valves for camping-cylinders
DIN 3538-1986  煤氣裝置管件.止回閥.內(nèi)螺紋接頭 Valves for gas installations; butterfly valves; female threaded ends
DIN 3248-1985  無止回閥.帶內(nèi)螺紋連接的吸濾器 Threaded suction strainers without non-return valve
DIN 3249-1985  帶止回閥.內(nèi)螺紋連接的吸濾器腳閥 Threaded suction strainers with non-return valve
DIN EN 1074-3-2000  供水用閥門.適用性要求和檢查試驗(yàn).第3部分:止回閥 Valves for water supply - Fitness for purpose requirementsappropriate verification tests - Part 3: Check valves; German version EN 1074-3:2000
DIN 74280-1998  空氣制動(dòng)系統(tǒng).止回閥 Air braking systems - Check valve
DIN EN 13709-2003  工業(yè)用閥.鋼制球閥、球狀截止閥和止回閥 Industrial valves - Steel globeglobe stopcheck valves; German version EN 13709:2002
DIN 3845-1981  暖氣管件.帶套管接頭的銅合金制PN16止回閥.尺寸.材料 Valves for heating installations - Copper alloy check valves PN 16 with screwed sockets - Dimensions, materials
DIN EN 12094-13-2001  固定式消防系統(tǒng).氣體滅火系統(tǒng)用元件.第13部分:止回閥和非止回閥的要求和試驗(yàn)方法 Fixed firefighting systems - Components for gas extinguishing systems - Part 13: Requirementstest methods for check valvesnon-return valves; German version EN 12094-13:2001
DIN 86066-2002  止回閥用鑄鋼焊入式彎頭.DN50至150,PN10的法蘭接合 Cast steel welding elbows for storm valves - DN 50 to 150, connecting dimensions according to PN 10
DIN 58362-7-2002  輸液.*和附件.第7部分:止回閥 Infusion - Infusion equipmentaccessories - Part 7: Check valves
DIN EN ISO 15761-2003  石油和天然氣工業(yè)用規(guī)格為DN100及更小的鋼閘閥、球閥和止回閥 Steel gate, globcheck valves for sizes DN 100smaller, for the petroleumnatural gas industries ISO 15761:2002; German version EN ISO 15761:2002 GermanEnglish text
DIN 87107-1975  DIN87101止回閥用扁墊圈 Gaskets for Non-return Flaps in accordance with DIN 87101
DIN 87103-1975  DIN87101止回閥的罩蓋 Covers for Non-return Flaps in accordance with DIN 87101
DIN 87102-1975  DIN87101止回閥的外殼 Casings for Non-return Flaps in accordance with DIN 87101
DIN 87105-1975  DIN87101止回閥用帶凸肩的閉鎖螺釘 Screw Plugs with Cylindrical Extension for Non-return Flaps in accordance with DIN 87101
DL/T923-2005  火力發(fā)電用止回閥技術(shù)條件 　
GB/T1855-1993  船用法蘭鑄鐵單排吸入截止止回閥箱 Marine flanged cast iron single arrangement suctio stop check box valve

GB/T1853-1994  船用法蘭鑄鋼舷側(cè)截止止回閥 Marine flanged cast steel over board stop check valve
UL 1469-1995  回流止回閥的閥身強(qiáng)度和液壓損失率檢驗(yàn)  Strength of bodyhydraulic pressure loss testing of backflow special check valves
JIS F7372-1996  造船.鑄鐵5K回轉(zhuǎn)式止回閥 Shipbuilding -- Cast iron 5K swing check valves
JIS F3058-1996  鑄鋼立式波浪止回閥 CAST STEEL VERTICAL STORM VALVES
JIS F7356-1996  造船.青銅5K升降止回閥 Shipbuilding -- Bronze 5K lift check valves
JIS F7373-1996  造船.鑄鐵10K回轉(zhuǎn)式止回閥 Shipbuilding -- Cast iron 10K swing check valves
JIS F7371-1996  造船.青銅5K回轉(zhuǎn)止回閥 Shipbuilding -- Bronze 5K swing check valves
JIS F7495-2000  造船.球墨鑄鐵10K旋壓止回閥 Shipbuilding -- Spheroidal graphite iron ductile iron 10K screw-down check globe valves
JIS F3060-1996  鑄鋼旋壓立式波浪止回閥 CAST STEEL SCREWDOWN VERTICAL STORM VALVES
JIS B8664-2001  液壓動(dòng)力.壓力控制閥不包括減壓閥、順序活門、釋荷閥、節(jié)流閥和止回閥.安裝表面 Hydraulic fluid power -- Pressure-control valves excluding pressure-relief valves, sequence valves, unloading valves, throttle valvescheck valves -- Mounting surfaces
ISO 9952-1993  農(nóng)業(yè)灌溉設(shè)備.止回閥 Agricultural irrigation equipment; check valves
ISO 15761-2002  石油和天然氣工業(yè)用尺寸為DN 100及更小的鋼閘閥、球閥和止回閥 Steel gate, globecheck valves for sizes DN 100smaller, for the petroleumnatural gas industries
ISO 15500-3-2001  道路車輛.壓縮天然氣CNG燃料系統(tǒng)元部件.第3部分:止回閥 Road vehicles - Compressed natural gas CNG fuel system components - Part 3: Check valve
ISO 5781-2000  液壓傳動(dòng).減壓閥、順序閥、卸荷閥、節(jié)流閥和止回閥.裝配面 Hydraulic fluid power - Pressure-reducing valves, sequence valves, unloading valves, throttle valvescheck valves - Mounting surfaces
SY/T5215-2005  鉆具止回閥