Tongue Face

The Tongue and Groove faces of this flanges must be matched. One flange face has a raised ring (Tongue) machined onto the flange face while the mating flange has a matching depression (Groove) machined into it's face.

Tongue-and-groove facings are standardized in both large and small types. They differ from male-and-female in that the inside diameters of the tongue-and-groove do not extend into the flange base, thus retaining the gasket on its inner and outer diameter. These are commonly found on pump covers and Valve Bonnets.

Tongue-and-groove joints also have an advantage in that they are self-aligning and act as a reservoir for the adhesive. The scarf joint keeps the axis of loading in line with the joint and does not require a major machining operation.

Stainless steel blind flange with tongue face(TF)

Material: ASTM A182 F304/F304L, F316/F316L, F321, F347

Standard: ANSI B16.5

Size: 1/2"-48"

Class:150-2500

Manufacture: by forging

Type: blind flange, blind cover

Package: protect cover with flange, plywooden cases

Certificate: MTC or 3.1 certificate

Port of departure: Shanghai, China

Origin: Jiangyin, China

Jiangyin Tuochuan Metal Materials Co., Ltd is a professional manufacture of stainless steel forged flanges for many years. We have two factories, one forging factory in Yancheng, another machining factory in Jiangyin with an annual production capacity 2000 tons. Our forging factory equipped with pressing machine and hammer, can forging up to 24inch flange. Our machining factory equipped with the most advanced CNC lath, CNC drilling lath, ultrasonic cleaning machine, which guarantee our flanges accuracy and good surface.

Our Product:

1. Weld neck flange

2. Blind flange

3. Slip on flange

4. Plate flange

5. Loose flange

6. Long weld neck flange

7. Valve components-valve seat ring