One Piece A105 DBB Ball Valve

NSV One-Piece A105 DBB Ball Valve (Double Block and Bleed)

This is a high-integrity, single-body forged ball valve with 2" × 2" flanged ends and reduced bore flow path. Designed for critical isolation in high-pressure service per API 6D.

Key Specifications

Type: One-piece DBB ball valve, reduced bore

Size: 2" × 2" 

Pressure Rating: Class 900#

Body: ASTM A105 forged carbon steel

Balls & Stem: ASTM F316 stainless steel

Seats: DEVILON

Ends: RF flanged, ASME B16.5

Operation: Lever

Standards: API 6D, ASME B16.5, ISO 5208, NACE MR0175/ISO 15156

Functionality

• Primary ball isolates upstream pressure; secondary ball isolates downstream pressure.
• Central bleed port allows safe depressurization and verification of isolation integrity.
• Suitable for hydrocarbon, gas, and chemical services requiring SIL-capable isolation.

FAQ

1. Q:Does "NSV" valves have supply to any value end user?

A:Yes, it just like PETROKIMIA GRESIK in Indonesia, BP Iraq,ESFAHAN MOBARAKEH STEEL In Iran etc.

2. Q: I want to be registered as your agency.?

A: Defined inspection and manager's approval shall be required for being registered as the company's agency. For specific application method, please consult with sales team. If you are registered as the company's agency, "Agency Certificate" will be issued.

3. Q:Do you have customized valve?

A:Yes,we can supply customized valves.

4. Q: What kinds of valves do you manufacture?

A: We usually manufacture valves made of various materials such as cast Iron/ carbon steel,stainless steel,Alloy steel and industrial valves such as ball, gate, globe, check, bellows seal and ETC. For detail information, please refer to " Download>E-Catalog" of homepage.