Threaded pipe flanges are similar to slip-on pipe flanges except the bore of threaded pipe flange has tapered threads. They are used with pipes that have external threads.Threaded pipe flanges are often used for small diameter, high pressure requirements.
Threaded Flange Pressure:
America Series:Class 150 ,Class 300, Class 600, Class 900A ,Class 1500,Class 2500.
Carbon steel: ASTM A105,ASTM A105N,GB 20,C22.8 etc.
Alloy steel: ASTM A350 LF2,CL1/CL2,ASTM A182 F5,F9,F11,F12,F22,F92.
Stainless steel: ASTM/ASME A182 F304-304L-304H-304LN-304N etc.
Raised Face(RF),Flat Face(FF),Ring Type Joint(RF).
Application for threaded flanges
Natural gas,chemical,petroleum,ship building,marine,paper making,metallurgy,electric,power,boiler etc.
Hebei Haihao Group supplys a variety of steel flanges to satisfy our customers’ specifica requirements,which include different size,different schedule,different pressure and different finish faces.Our products are produced strictly according to the required standard. Our raw material for threaded flanges all are purchased from big steel companies which can make sure the material in a high quality.