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Welded Bonnet Gate Valve (Forged Steel)

A welded bonnet gate valve made of forged steel is a high-performance valve designed for applications requiring secure sealing and durability under high-pressure and high-temperature conditions. The welded bonnet construction eliminates the risk of leakage by creating a permanent seal between the bonnet and the valve body, making it ideal for critical applications where safety and reliability are paramount. The forged steel body enhances the valve’s strength and resistance to wear, ensuring long service life in demanding environments. This gate valve provides efficient flow control with minimal pressure drop when fully open and a tight shutoff when closed. It is commonly used in industries such as oil and gas, petrochemical, and power generation, where robust and leak-proof valves are essential.

Details

Specifications

Design std API602 / ASME B16.34
Size ½” TO 2″
Class 800# TO 4500#
Body & Bonnet Material A105, LF2, F11, F22, F304, F316, ETC.
Face to Face AS PER MFG STD
End Connection S/W ANSI B16.11. BUTTWELD ANSI B16.25, SCREW ENDS ANSI B1.20.1
Operated HAND WHEEL, ELECTRIC ACTUATOR

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 WEDGE 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 BONNET A105 A350
LF2
A182
F5
A182
F11
A182
F22
A182
F9
A182
F304
A182
F316
A182
F304L
A182
F316L
5 PACKING FLEXIBLE GRAPHITE
6 GLAND A182
F6a
SS 304 A182
F6a
A182
F6a
A182
F6a
A182
F6a
SS 304 SS 316 SS 304L SS 316L
7 GLAND FLANGE A105 A350
LF2
A182
F5
A182
F11
A182
F22
A182
F9
A182
F304
A182
F316
A182
F304L
A182
F316L
8 STUD & NUT B7 /
2H
L7 /
Gr.4
B7 /
2H
B7 /
Gr.4
B16 /
Gr.4
B16 /
Gr.4
B8 /
Gr.8
B8 /
Gr.8
B8 /
Gr.8
B8 /
Gr.8
9 STEM 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
10 YOKE SLEEVE ASTM A582 TYPE 416
11 HAND WHEEL DI. A536 Gr. 80-55-06
12 YOKE SLEEVE NUT CARBON STEEL
13 WASHER CARBON STEEL
NOTES : The above data is subject to change without any notice due to our continuing product improvement Program.