产品简介：
1、本产品适用于液、气介质管路和设备，作为接通和断流之用。
2、该阀设计采用闸板表面全面包覆优质橡胶，因此具有高弹性、长寿命、无渗漏等特点。
3、阀体底部设计无凹槽，因此具有流阻小、防止污物堆积造成阀门渗漏或损坏等特点。
4、阀体内腔进行喷涂处理，长期使用无腐蚀和水锈产生，有效的防止二次污染。
5、易于安装，可实现在线快速维修。
6、适用于受限空间，广泛应用于食品、医药、 给排水工程、建筑、消防等领域。
Product Brief Introduction:
1.The products that suitable for liquid and air pipelines and equipments are ideal for closing and opening.
2.The valves which are design adopted good rubber are full covered with the face of gate disc so that they have high flexible, long lifetime and no leakage features, etc.
3.The bottom of the body designed no concave nest. So have lower flowing resistance and prevent valves leakage or damage from trash pipe up.
4.Spray paint in the body cavity. Using no corrosive and water rust for long term.
5.Installation is easily and fast mend on line get nearer true.
6.They are suitable for limited space and widespread for food, medicine, water supply and
sewage engineer, building and fire areas , etc.
主要性能参数：Main Performance Parameters:
公称压力 Nominal Pressure PN （MPa） | 1.0 | 1.6 |
适用温度 Suitable Temp ℃ | ≤120 | ≤120 |
适用介质 Suitable Media | 水、油、气及非腐蚀性介质 Water, oils, air and in corrosive |
主要材料 Materials of Main Parts: | 灰铸铁、黄铜、碳钢镀铬、不锈钢、聚四氟乙烯、橡胶 Cast Iron , Bronze , Carbon Steel , Stainless steel , PTFE , Rubber |
设计标准 Design Standard | GB/T 12232-2005 | 试验检验标准 Test and check up standard | GB/T 13927-1992 |
主要外形尺寸及连接尺寸：Outline Dimensions & Connection Dimensions:
公称通径 Nominal Diameter DN (mm) | L | D | D1 | n-d | H(≈) | H1 | □ | ∠ |
长结构 Long Body | 短结构 short Body |
40 | 165 | 140 | 145 | 110 | 4-18 | 225 | 63 | 35 | 1:20 |
50 | 178 | 150 | 160 | 125 | 4-18 | 336 | 63 | 35 | 1:20 |
65 | 190 | 170 | 180 | 145 | 4-18 | 378 | 63 | 35 | 1:20 |
80 | 203 | 180 | 195 | 160 | 8-18 | 397 | 63 | 35 | 1:20 |
100 | 229 | 190 | 215 | 180 | 8-18 | 441 | 63 | 35 | 1:20 |
125 | 254 | 200 | 245 | 210 | 8-18 | 495 | 63 | 35 | 1:20 |
150 | 267 | 210 | 280 | 240 | 8-22 | 520 | 63 | 35 | 1:20 |
200 | 292 | 230 | 340 | 295 | 8-22/12-22 | 616 | 63 | 35 | 1:20 |
250 | 330 | 250 | 395/405 | 350/355 | 12-22/12-26 | 783 | 63 | 35 | 1:20 |
300 | 356 | 270 | 445/460 | 400/410 | 12-22/12-26 | 851 | 63 | 35 | 1:20 |
注：“/”上面尺寸为PN1.0MPa尺寸，“/”下面尺寸为PN1.6MPa尺寸。
D1及n-d尺寸可按国标（GB）、国际标准（ISO）、美标（ANSI）、德标（DIN）、英标（BS）、日标（JIS）加工生产。
