nominal flange size: 标准的法兰尺寸；in有可能是inch的缩写，英寸的意思；DN是公称通径，也是尺寸的一种表示方式；rf/ff如果是描述法兰，就是法兰密封面的类型，rf是突面；ff是全平面；no.of bolt是螺栓孔数，法兰都有一圈螺栓孔，可以看法兰的产品图片明白了。
用英制单位就是DN2英寸，1英寸=25.4毫米，50厘米=50÷25.4毫米=1.9685英寸≈2英寸。
Model PV141 is a swing type check valve by flange connection, the bolted bonnet is convenient for inspect the valve and fix and replace the inner part. Basic speci?cation Size:DN15~DN300 (1/2 inch ~ 12 inch) Flange connection...
NPT DN25 Flange DN50 Gas Regulator for Air, Find Details and Price about Pressure Regulator Air Pressure Regulator from NPT DN25 Flange DN50 Gas Regulator for Air - Leshan Chuantian Gas Equipment Co., Ltd.
Package Size 110.00cm * 110.00cm * 110.00cm Package Gross Weight 100.000kg Product Description Stainless Steel Flange Pn25 DN 50 Wafer Lift Single Plate Swing Check Valve for Drain Product Description Check valve is an automatic valve, which is also called...
Connection : FlangeSIZE : DN50 ( 63mm ) 2" ~ DN400 (400mm ) 16"Working Pressure : 150PSI 1.0 MPa 100PSI 0.6MPaColor : Dark Grey PVC Butterfly Valve ( Lever & Gear ) FRPP Butterfly Valve ( Lever & Gear ) PVC Non Actuator...
FlangeDN25|DN50|DN80 Weight1000g (approx.) HART communication connection diagram Flange Connection DN in mmPressureDbkd2nRaised face fd4 DN251~4MPa1151885144268 6~10MPa14024100184268 DN50 1~4MPa165201251842102 6MPa180261352242102 10MPa195281452642102 ...
Name PVC One Piece Flange Transport Package Carton Specification 20mm ~ 400mm Trademark Huasheng Origin Changzhou HS Code 3917400000 Production Capacity 60, 000 Tons Product Description Product Details One Piece Flange PN16 Size DN (De) Dimension(mm) D0 D1 d0 d1 d2 d3 da T...
Size: DN15 (1/2") to DN5000 (200") Type: Threaded Flanges, Socket Welding Flanges, Blind Flanges, Other Flanges Types' Specification Welding neck 1, Preferred for high-pressure, subzero or elevated temperature 2, Hub is tapered and bored to match pipe's inside diameter so flow...
Size range: DN6 till DN600 Material: ss304, ss321,ss316L, etc. Application: water, gas and steam Hose type: annular corrugated Construction: Annular / Close Pitch Profile: Medium Flexibility / Medium Pressure Braided mesh layer: single layer or double layers Connect ...