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Integral Flanged End Non Return Valve (Forged Steel)

An integral flanged end non-return valve made of forged steel is a durable and efficient valve designed to allow the flow of fluids in one direction while preventing backflow in high-pressure and high-temperature systems. The integral flanged ends provide a secure and leak-proof connection to pipelines, eliminating the need for additional flanges or welding. Constructed from forged steel, this valve offers superior strength, resistance to corrosion, and enhanced durability, making it suitable for demanding industrial applications. The non-return valve operates automatically, closing when reverse flow is detected, protecting equipment and maintaining system integrity. It is commonly used in industries such as oil and gas, petrochemical, and power generation for reliable and efficient backflow prevention.

Details

Specifications

Design std API602 / BS5325
Size ½” TO 2″
Class 150# TO 1500#
Body & Bonnet Material A105, LF2, F11, F22, F304, F316, ETC.
Face to Face AS PER MFG STD
End Connection ANSI B16.5

STANDARD MATERIAL COMBINATION

P. NO. PART DESCRIPTION Carbon Steel to ASTM Alloy Steel to ASTM Stainless Steel to ASTM
Type 105 Type LF2 Type F5 Type F11 Type F22 Type F9 Type F304 Type F316 Type F304L Type F316L
1 BODY A105 A350
LF2
A182
F5
A182
F11
A182
F22
A182
F9
A182
F304
A182
F316
A182
F304L
A182
F316L
2 SEAT RING A276
SS 410
A276
SS 304
A276
SS 410
A276
SS 410
A276
SS 410
A276
SS 410
SS 304 SS 316 SS 304L SS 316L
3 DISC CA15 /
SS 410
A276 /
SS 304
CA15 /
SS 410
CA15 /
SS 410
CA15 /
SS 410
CA15 /
SS 410
SS 304 SS 316 SS 304L SS 316L
4 GASKET SPIRAL WOUND STAINLESS STEEL GRAPHOIL FILLER
5 COVER A105 A350
LF2
A182
F5
A182
F11
A182
F22
A182
F9
A182
F304
A182
F316
A182
F304L
A182
F316L
6 STUDS A193
B7
A320
L7
A193
B7
A193
B7
A193
B16
A193
B16
A193
B8
A193
B8
A193
B8
A193
B8
7 NUTS A194
2H
A194
Gr.4
A194
2H
A194
Gr.4
A194
Gr.4
A194
Gr.4
A194
Gr.8
A194
Gr.8
A194
Gr.8
A194
Gr.8
NOTES : The above data is subject to change without any notice due to our continuing product improvement Program.