Bolted bonnet

Features:
 valve cover screw connection
 spring loaded to ensure that even in the low-pressure sealing performance when the same good
Application criteria:
 Design: API602/ASME 16.34/BS 5352
 Pressure Test: API 598
 tag: MSS SP25
 SW Socket welding ends according to ASME B16.11
 BW butt end by ASME B16.25
 NPT threaded connectors according to ASME B1.20.1
Pressure rating
 CLASS 800
 CLASS 1500
 CLASS 2500
Size range
1 / 4 "to 2"
Optional Materials
 Carbon Steel: A105, LF2
 Stainless Steel: F304, F304L, F316, F316L
 Duplex: F51, F55
 Alloy: F1, F5, F5A, F9, F11, F22