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电站閘閥系列 Z61Y


主要零件和材质 Main parts and materials

序號
   NO
零件名稱
   Accessor name
材质 Material
ASTM/API 系列 series
1阀体 BodyA216, WCB, A217(WC6, WC9)
2螺柱 Bonnet boltA193, B16
3阀盖 BonnetA216, WCB, A217(WC6, WC9)
4填料 Packing石墨 PTFE
5圆柱销 TinA276, 420
6支架螺母 NutA193, B7
7千斤座 Topping bracketA216, WCB, A217(WC6, WC9)
8填料压套 GlandA216, WCB, A217(WC6, WC9)
9支架 YokeA216, WCB
10六角螺母 NutA194, 4
11四开环 Pendant coletASTM, A105, A182, F11, F22
12填料压盖 GlandA216, WCB, A217, WC6
13密封垫 GaskesA182, F304, A182, F11, F22
14密封环 Seal ring石墨 , A182, F316L
15阀杆 StemA276, 420, A182, F11, F22
16浮动座 Floating seatASTM, A105, A182, F11, F22
17闸板 WedgeA216, WCB, A217(WC6, WC9)
18阀杆螺母 Stem nutZCuAl10Fe3

产品结构特点 Construction features

1、符合GB標准的要求,結構合理、密封可靠、性能良好、造型美觀。

2、材料品種齊全、填料、墊片可根據用戶不同要求合理選配,能適用于各種壓力、溫度及介質工況,高溫閥門耐壓部件選用優質耐熱合金鋼制造,密封面采用司太立(stellite)钴基硬質合金,安全可靠,性能穩定,使用壽命長。

3、阀体阀盖结构设计合理,壁厚经严格控制及检测符合国家标准GB12234及美国标准ANSI B16.34要求,强度高、刚性好、流阻小。

4、采用楔式彈性閘板結構,經整體精鑄制成,造型精美,密封性能好。

5、閥杆采用耐熱合金鋼,經鍛粗和調質及表面氮化處理,有良好的綜合力學性能和抗腐蝕性,抗擦傷性。

6、閘閥全部采用倒密封結構,可在不停機工況下進行維修或增改填料。

7、閥杆螺母采用內函式結構,與支架連接部位設置滾珠軸承,轉動力矩小、啓閉輕松。

8、根據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.


产品特征 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: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"


技术规范 Technical specification

设计依据    Design referenceASME/API系列 ASME/API series
设计标准 Design standardASME B16.34 API600
结构长度 Face to faceASME B16.10
连接法兰 End flangeASME B16.25 
试验和检验 Test & inspectionAPI 598


试验压力 Test prssure

壓力等級
   Pressure grade
试验压力 Test pressure
公称压力    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
900LB22.516.516.50.6
1500LB37.527.527.50.6
2500LB6346.246.20.6


闸阀结构长度和外接尺寸 Main connection dimensions

PN:20.0  P54 100VPN:25.0  P54 140VPN:32.0  P54 170V
公稱通徑
   DN
L
   (mm)
H
   (mm)
L
   (mm)
H
   (mm)
L
   (mm)
H
   (mm)
2"368835368715451715
3"381975470735578735
4"4571200546830673830
6"610128070510549141054
8"7371370832142210221422
10"8381495991171512701715
12"96518301130190514221905
14"1029214512571990

16"1130240513842210

20"1321280016642432

 



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