Special Bolting

WBR ENERGIES supplies a wide range of Special Bolting custom-designed for specific applications on high pressure equipment. Please contact us for any specific request.

 

TYPES

STUD BOLTS & HEX NUTS – ASME B18.2.1 / ASME B18.2.2

API 6A BOLTING – PSL 1 / PSL 2 / PSL 3 / PSL 4 – BSL-1/BSL-2/BSL-3

NORSOK L-005 BOLTING – Manufactured in accordance with NORSOK M650 / NORSOK M630

HEX NUTS WITH TOMMY BAR HOLES – For Hydraulic Bolt Tensioner applications

BOLTS / SCREWS / NUTS / WASHERS – DIN 933 / ISO4017 / DIN 931 / ISO4014 / DIN 558 / ISO4018 / DIN-EN14339 / DIN 912 / ISO 4762 / DIN 934 / ISO 4032 / DIN 125 / ISO 7089

SIZES & RATING

1/4in to 4in – all lengths

DESIGN CODES

ASME B16.5 : Pipe Flanges and Flanged Fittings

ASME VIII Div 2 : Rules for Construction of Pressure Vessels

API 6A : Specification for Subsea Wellhead and Tree Equipment

API 20E : Alloy and Carbon Steel Bolting

API 20F : Corrosion Resistant Bolting

NORSOK L-005 : Compact Flanged Connections

MATERIALS

ASTM A193/A193M : Grades: B7 / B7M / B8 / B8M / B16

ASTM A320/A320M : Grades: L7 / L7M / B8 / B8M

DIN 931/DIN 933 : Grades: 4.6 / 4.8 / 5.6 / 5.8 / 8.8 / 10.9 / 12.9

API 6A : 36K / 45K / 60K / 75K

COATING: Zinc Plated / Hot dip Galvanized / PTFE / Xylan® / Zintek® / Delta Protekt® / Fluoropolymer coated

**Other grades available under request

  • Design ENGINEERING
  • Project MANAGEMENT
  • Custom MANUFACTURING
  • Testing CERTIFICATION