DBB Double Block and Bleed Ball Valve with Screwed Bonnet Needle Construction

• Media: Oil,Gas,Water
• Driving Mode: Manual
• Connection Form: Male/Female/Double Ferrule
• Structure: Centre Sealing
• Seal Form: Supercharging Pressured Sealed
• Valve Stem: Normal
• Model NO.: DBB
• Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Sheet Metal
• Application: Industrial Usage, Water Industrial Usage
• Size: 1/2"-8"
• Pressure: 6000psi
• Transport Package: Standard
• Specification: SS316
• Trademark: Nai-Lok
• Origin: China
• Production Capacity: 1000

Product Description

DBB Double Block and Bleed Ball Valve with Screwed Bonnet Needle Construction
Features:

1.ANSI B16.5 flanged inlet connections 1/2" to 3" sizes

Class 150 rated to class 2500 rated.

2.1/2"-1" FNPT thread outlet to ANSI/ASME B1.20.1(Depending on bore size)

3.1/2"FNPT thread vent connection to ANSI/ASME B1.20.1

4.Standard materials of stainless steel ASTM A182 F316/F316L

5.Optional materials include super duplex,Monel,Hastelloy,Inconel

6.Raised face to ring type joint flange styles

7.One-piece forged construction flange as standard

8.Fire safe desined.
 

No	Item	Data
1	Body Material	316 Stainless steel
2	Handle	Stainless steel
3	Panel Nut	316 Stainless steel
4	Maximum Working Pressure	6000psig(414 bar)
5	Working Temperature	PTFE: -20F to 450ºF (-28ºC to 232°C)
6	Stem	316 Stainless steel
7	Packing	PTFE
8	Size	1/2"
	End Connection	NAI-LOK tube fitting or NPT thread