•  Butterfly Valve Series - Bidirectional Pressure Hard Sealed Butterfly Valve Series D343H/Y
Butterfly Valve Series - Bidirectional Pressure Hard Sealed Butterfly Valve Series D343H/Y

Product Introduction


主要零件和材质 Main parts and materials

序号
   NO
零件名称
   Accessor name
材质 Material
GB系列
1 阀体 Body WCB, LCB, CF8, CF3, CF8M, CF3M, WC6, WC9
2 阀杆 Stem 20Cr13, 304, 304L, 316, 316L, 38CrMoAL, 25Cr2MoV
3 圆锥轴 Taper pin 20Cr13, 304, 304L, 316, 316L, 25Cr2MoV
4 阀座 Seat F304, F316, F316L
5 蝶板 Disc 丁腈橡胶 Rubber, 氟橡胶 Viton
6 O型圈 WCB, LCB, CF8, CF3, CF8M, CF3M, WC6, WC9
7 密封圈 Sealing ring 304/316+石墨, 304/316+PTFE, 304/316+橡胶
8 压板 Plate Q235, F304, F316, F316L
9 内六角螺钉 Nut 35#, 304, 316, 316L
10 内六角螺钉 Nut 35#, 304, 316, 316L
11 后盖 Bottom cover Q235, F304, F316, F316L
12 垫子 Gasket PTFE 石墨 不锈钢  Stainless    steel+石墨 Graphite
13 对开环 Washer 20Cr13, 304, 304L, 316, 316L, 25Cr2MoV
14 轴套 Bush bearing 自润滑复合轴套 304/316+PTFE
15 螺柱 Bonnet bolt 35#, 304, 316, 316L
16 填料 Packing 石墨 橡胶PTFE
17 填料压盖 Gland WCB, LCB, CF8, CF8M, WC6, WC9
18 螺柱 Bonnet bolt 35#, 304, 316, 316L
19 螺母 Nut 45#, 304, 316, 316L
20 支架 Yoke WCB, CF8

 

产品结构特点 Construction features

1、 超长寿命设计 

阀座、密封圈完全由金属材料制成,且做表面硬化处理,就算启闭频繁,阀门仍能保持高的密封性能,杜绝了多层次密封结构不耐冲刷等弊端,极大提高了阀门的使用寿命;

2、依靠扭矩密封 

阀门至始至终都能保持优越的双向密封性能,阀门密封不依靠介质力,完全由驱动装置提供的扭矩实现密封,阀门在高、低压下均能可靠密封。密封性能检测结果符合API609、ISO5208等标准之规定;

3、阀座/密封圈可现场更换

可更换式阀座/密封圈设计,便于阀门现场维护保养;

4、填料密封的高性能

采用组合式填料密封系统,确保阀门最大泄漏率≤20ppm。可选用动载密封结构,使填料持久密封,延长填料免维护周期;

 

1. Long life design

Seat, sealing completely made of metal materials, and surface hardening treatment, even if the opening and closing is frequent, can still maintain a high sealing performance of the valve, put an end to the multi-layer sealing structure not scour resistance and other shortcomings, greatly improve the service life of the valve;

2. Rely on torque seal

Valve throughout can keep superior two-way sealing performance and valve sealing force does not rely on media, completely provided by the drive torque seal, valve can reliable sealing under high and low pressure. The sealing performance test results are in accordance with the standards of API 609 and ISO5208.

3. The seat/sealing ring can be replaced on site

Replaceable seat/sealing ring design to facilitate valve site maintenance;

4. High performance of packing seal

The combined packing sealing system is adopted to ensure the maximum leakage rate of valve is less than 20ppm. The movable seal structure can be used to keep the stuffing durable and prolong the packing period.


产品特征 Spericfications

适用介质:水、气、油品、天然气和酸碱腐蚀性介质

适用温度:-196~350℃

驱动方式:手动、气动、电动、液动等

公称压力:1.0~6.3MPa

公称通径:DN100~3600mm

Applicable media: water, gas, oil, gas and acid and alkali corrosive medium

Applicable temperature: -196~350℃

Driver: manual, pneumatic, electric, hydraulic, etc

Nominal pressure: 1.0~6.3MPa

Nominal size: DN100~3600mm


技术规范 Technical specification

设计依据    Design reference GB系列 GB series
设计标准 Design standard GB/T12238  JB/T8527
结构长度 Face to face GB/T12221
连接法兰 End flange GB/T9113  HG20592
试验和检验 Test & inspection GB/T13927


试验压力 Test prssure

压力等级
   Pressure grade
试验压力 Test pressure
公称压力    PN
   Nominal pressure
壳体试验
   Sheil test
正密封试验
   Sealing test
反密封试验
   Sealing test
气密封试验
   Air seal test
0.6 0.9 0.66 0.66 0.6
1.0 1.5 1.1 1.1 0.6
1.6 2.4 1.76 1.76 0.6
2.5 3.75 2.75 2.75 0.6
4.0 6.0 4.4 4.4 0.6
6.3 9.45 6.93 6.93 0.6


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

PN:1.6~4.0
公称通径
   DN
L
   (mm)
H1
   (mm)
H2
   (mm)
公称通径
   DN
L
   (mm)
H1
   (mm)
H2
   (mm)
100 127 285 107 1000 410 1010 640
125 140 300 123 1200 470 1175 750
150 140 320 140 1400 530 1310 860
200 152 370 180 1600 600 1460 980
250 165 420 200 1800 670 1560 1090
300 178 500 250 2000 760 1670 1190
350 190 530 270 2200 590 1800 1440
400 216 570 300 2400 650 1930 1550
450 222 600 320 2600 700 2280 1660
500 229 680 360 2800 760 2460 1780
600 267 750 420 3000 810 2600 1940
700 292 810 480 3200 880 2760 2080
800 318 905 540 3400 950 2880 2200
900 330 960 590 3600 950 3020 2340