Square Flange | ISO 6164 Flange | CETOP Flanges

Square flange is one of a popular types of hydraulic flanges, which is with square shape. Flange square is widely used to connect between two tubes or two pipes in hydraulic systems, also the square flanges are suitable to connect a tube or a pipe to some hydraulic component, such as a hydraulic valve, hydraulic block or other component. 

As a professional hydraulic flange manufacturer, Younglee also is one of the best quality China square flange manufacturers and suppliers. We manufacture square flanges with the most popular standards, full range of dimensions and materials. 

Square Flange-ISO-6164 Flange
Square_flange_CETOP_flange

Square Flange standard & type

Square flange usually is designed and manufactured in different standards in different countries. Some times different standard but the same type flange, but some times, different standard means different flange type. Here below are the Square flanges standards Younglee can supply.

  • ISO 6164 Square flange: Designed and manufactured according to standard ISO 6164
  • CETOP Flange: this type of flange is designed to standard CETOP RP 63H, actually this type is similar to ISO 6164 flange.
  • Other standard of square pipe flange, such as JIS B2291, JIS F7806
  • Customized flange square: We also manufacture square pipe flange according to customers’ drawing and specifications.

Square Flange / Square tube flange /ISO 6164 CETOP Flange Materials

Our hydraulic flange factory manufactures square pipe flange / ISO 6164 CETOP flanges with full range of popular materials, here below are the common materials we supply.

  • Carbon steel: Our square steel flange is available with steel grade St 52.3, SAE 1020 and SAE 1045. Usually the carbon steel ISO 6164 CETOP square flanges are supplied with Phosphated surface treatment or blank surface with oiled.
  • Stainless steel: Our stainless steel square flange can be supplied with 304 stainless steel, 316L stainless steel. The stainless steel square tube flange is supplied with bare surface as it is.

Flange square / ISO 6164 CETOP flange dimensions

As a professional China hydraulic square flange manufacturer factory, we produce and supply most popular square flanges in a wide dimension range of 3/8″ to 5″.

ISO 6164 CETOP flange connection type

There are two main connection types for the ISO 6164 CETOP flange square, which are:

  • Socket weld: CETOP SOCKET WELD Flange
  • Butt weld: CETOP Butt weld flange is known as CETOP Weld-On Flange also.
We supply single part ISO 6164 Cetop flange and double ISO 6164 Cetop flanges with full set of bolts and O-ring.

ISO 6164 Square CETOP flange pressure rating

The working pressure of hydraulic flange is determined by its design standard, and the bolts & O-ring used. Here we just introduce the working pressure rate of the square ISO 6164 CETOP flanges.

 There are mainly two different pressure rate series for the ISO 6164 flanges, which are 250 bar and 400 bar.

See below or contact us for more details of our ISO 6164 CETOP square flanges.

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