| 1. | Metal seal connections of vacuum gauges
金属密封真空规管接头 |
| 2. | Standard specification for dumet wire for glass - to - metal seal applications
玻璃与金属密封装置用杜美丝 |
| 3. | Note : 1 , metal seal means vice material is sealed metal - metal
注： 1 、金属密封指密封副材料是金属-金属。 |
| 4. | Hard seal butterfly valves
金属密封碟阀 |
| 5. | Stainless steel stuffing box hardware is standard ( ie . bolts , gland studs , nuts , washers )
标准的金属密封不锈钢填料箱（如螺栓、填料压盖螺栓、螺母、垫圈） 。 |
| 6. | B connections for general use and fluid power - ports and stud ends with thread - stud ends with metal - to - metal sealing type b
液压管接头用螺纹油口和柱端金属对金属密封柱端 |
| 7. | Aluminium alloy solid coupling type a with metallic sealing area and with cast iron or with aluminium alloy cover , type a ; nominal pressure 16
铝合金带金属密封面和灰铸铁或铝合金盖的a型固定联接 |
| 8. | Aluminium alloy solid coupling type c with metallic sealing area and with cast iron cover or with aluminium alloy cover , type c ; nominal pressure 16
标称压力为16带金属密封面和灰铸铁或铝合金盖的c型 |
| 9. | Aluminium alloy solid coupling type b with metallic sealing area and with cast iron cover or with aluminium alloy cover , type b ; nominal pressure 16
带铸铁或铝合金盖的有金属密封面的b型铝合金刚性联接 |
| 10. | Since 1998 , triple eccentric multiplex ring metal - seat butterfly valve and flanged butterfly valve have been running well all along on - site
自1998年以来，三偏心金属密封蝶阀法兰蝶阀等在工矿中一直运行良好。 |
