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Carbon Steel Bolted Bonnet Flanged Gate Valve

Design and Manufacture:Cast Steel Gate Valve to API 600(ISO 10434)、API 6D;Cast Stainless Steel Gate Valve to API 603、API 600 Inspection and Test:API598,API600 or API 6D End Flange Dimension:ASME B16.5(for NPS≤24,ASME B 16.47 series B,API 605,ASME B16.47 A Series, MSS SP-44(for NPS>24) BW end Dimension:ASME B16.25 Face to Face and End to End:ASME B16.10 Pressure-temperature ratings:ASME B16.34
Product Details

Carbon Steel Bolted Bonnet Flanged Gate Valve

    The series of gate valves include cast steel gate valve and forged steel gate valve. They are designed and manufactured according to ANSI B16.34. With solid wedge and flexible wedge, so it can be used for different pressures. Gate valves have back seal. Back seal of forged-steel gate valve is weld with stainless steel. So it has perfect sealing. Its maintenance is convenient. Widely used in petroleum,chemistry,water treatment industries.

Material option

Body :A105 ,LF2 ,F11,F304,F316

Saet :410,304



Gasket:304+Flexible graphite




Gland: 410,304,316,F51




Product Range

End Connection: RF,RTJ, BW

Nominal diameter: 2" ~ 36" (DN50 ~ DN900)

Pressure range: Class 150 ~ 900 (PN16 ~ PN150)

Working temperature: -29℃ ~ +560

Body material: Carbon steel, stainless steel, alloy steel

Operation: Hand wheel, Gear, Electric Actuator, etc


Applications Standard
-Design Acc : ANSI B16.34
-Face to face dimension: ANSI B 16.10
-Flange dimension: ANSI B 16.5.MSS-SP-44
-Inspection &Testing Acc : API 598. API 6D

1 Are you a factory or trading company?
We are a factory specialized in manufacturing valves about 20 years.

2 Where are the main markets for your products?
We hope to make business with companies from all over the world. And for now, our valves and fittings have been exported to especially in North America, South America, South Asia, Europe and Middle East.

3 Do you have a minimum quantity of the products?
No, we will build business with you with even 1pc. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.

4 Can you print our Logo on the valves?
Yes, we can totally produce products according to your special request.

5 What is your lead time?
It's around 25-45 days normally. 

6 How can I check your factory situation while it's difficult for me to come to China?
We have photos and videos on our website , It shows every step of the manufacturing.

We welcome all the world customers to contact us for more cooperation.
With our years of technical knowledge and experience,we assure you,
Naibang will be one of your best parters in China.

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