Our well known SEG4-LOCK Series Closures are the original and benchmark design with over 3000 units in operation worldwide providing horizontal or vertical access to pressure vessels & pipeline systems. These closures have proved their reliability , safety and value for money since they were first introduced in 1998.
TECHNICAL SPECIFICATIONS OF SEG4LOCK CLOSURE:
SIZE RANGE: 4'' NB TO 70'' NB NOMINAL DIAMETER
CLASS RATINGS: ASME 150# THROUGH TO 2500#
DESIGN SPECIFICATIONS:
ASME SEC. VIII DIV. 1 WITH 'U' STAMPING
ASME SEC. VIII DIV.2 WITH 'U2' STAMPING
CE MARKING WITH TECH.FILE TO EU PRESSURE EQUIPMENT, DIRECTIVE PED 97/23/EC
CLOSURE ORIENTATION: HORIZONTAL (H) OR VERTICAL (V)
TYPES OF CONNECTIONS:
BUTT WELDED / BUTT WELDED WITH MITRE FOR INCLINED VESSELS
FLANGED ENDS (OPTIONAL)
MATERIALS OF CONSTRUCTION:
ASME SA 105N
ASME SA 350 LF2 CL.1
ASME SA 516 GR.70N
ASTM A 694 F42 TO F70
ASME SA 182 F304L/316L
DUPLEX STAINLESS STEEL F51, F53 , F55
COVER SEAL MATERIALS:
NYLON 6 (SERVICE TEMPERATURES (-)49 TO 150 DEG.C)
DEVLON-V (SERVICE TEMPERATURES (-)49 TO 150 DEG.C)
REINFORCED GRAPHITE (SERVICE TEMP. UPTO 400 DEG.C)
WELD OVERLAYS:
309L/316L STAINLESS STEEL
DUPLEX STAINLESS STEEL
INCONEL 625
ACCESSORIES:
PROTECTIVE WEATHER COVERS
MECHANICAL KEY INTERLOCKS (OPTIONAL)
LIMIT SWITCHES (OPTIONAL)
PRESSURE ALERT WITHOUT PROCESS FLUID LEAKAGE (OPTIONAL)
