Close this search box.

Petchem Supply



Welding Neck Flanges

Slip-on Flanges

Lap Joint Flanges

Blind Flanges

Threaded Flanges

Socket welding Flanges

Long Welding Flanges

Orifice Flanges

Slip On Blind,
Lap Joint,
Spectacle blinds and Spencer,

Sizes available:
1/4″ through to any size.

Wall thickness:
• Sch 5s – Sch XXS or heavier.

Pressure Ratings :• 150lb through to 2500lb. Flange Facings; Raised Face, Ring Type Joint, Large Tongue & Groove, Small Tongue & Groove.• PN6, PN10, PN16, PN25, and PN64.

Flange Facings:

• Raised Face, Ring Type Joint, Large Tongue & Groove, Small Tongue & Groove.

Special items according to customer drawings.

Swivel Flanges• API 6A for wellhead & Christmas Tree Equipment• API 17D for subsea Wellhead & Christmas Tree Equipment

DimensionsAll Flanges is made and controlled to the relevant standards such as: ASME, ASTM, ANSI, BS, DIN.


Carbon SteelA105, C22.8
Low TemperatureA350, LF2, LF3
High YieldA694 F42, F52, F60, F65, F70
Stainless SteelA182 F304/L, F310, F316/L, F321/H, F347/H, F410, F440, 904L.
Alloy Steel (Cr/Mo)A182, F5, F9, F11, F22, F9, F91.
Duplex & Super DuplexA182 F51, UNS 31803, F44, UNS S32760
HastelloyC22, C276
Monel400, K500
Incolnel600, 601, 625, 690
Incoloy800, 800H, 800HT, 825
Wickel200, 201
Aluminium5083, 5154, 5251, 6061, 6063, 6082
OthersBronze, Brass, Copper, Cupro Nickel, Titanium.