36'' 600LB WCB Gear Operated Ball Valve Pressure And Large Diameter
Product Description
The trunnion mounted ball valve has small torque, small deformation of the valve seat, stable sealing performance
and long service life, and is suitable for high pressure and large diameter. Advanced spring pre-seat assembly with
self-tightening properties for upstream sealing. Each valve has two valve seats, which can be sealed in each direction,
so the installation has no flow direction restriction and is bidirectional.
Design Standard
Design standard | API6D | ||
Pressure-temperature Rating | ASME B16.34 | ||
Face to Face Dimensions | ASME B16.10 | ||
Flange Type and Dimensions | ASME B16.5 | ||
Inspection and Test | API 6D, API598 |
Design Feature
Upstream Sealing Two-way Valve,Fire-Safe Design API 607/API 6FA,Valve Cavity Pressure Automatic Relief,
Stem and Seat Emergency Sealant Injection,Double Block and Bleed
Trunnion Mounted Ball Valve Test Procedure
HYDROSTATIC SHELL TEST API 6D 10.3 and 10.4 | ||||||
Sequence | Area Pressure | Duration(min) | Description | |||
SHELL TEST | A | 1.5xPN | 6″-10″ | 5 |
1. Valve in partial open.
|
|
B | 1.5xPN | 12″-18″ | 15 | |||
C | 1.5xPN | 20″-60″ | 30 | |||
SEAT TEST | A | 1.1xPN | 5 | Seat hydrostatic seal at A end towards body B | ||
B | Atmospheric | |||||
C | Atmospheric | |||||
A | Atmospheric | 5 | Seat hydro seal at C end towards body B | |||
B | Atmospheric | |||||
C | 1.1xPN | |||||
A | 1.1xPN | 5 | Seat hydro seal test for both A and C | |||
B | Atmospheric | |||||
C | 1.1xPN | |||||
AIR SEAL TEST API 6D 10.4 | ||||||
SEAT TEST | A | Atmospheric | 5 | Seat air seal test at A end towards body B | ||
B | Atmospheric | |||||
C | 80PSLG(5.5bar) | |||||
A | 80PSLG(5.5bar) | 5 | Seat air seal test at C end towards body B | |||
B | 80PSLG(5.5bar) | |||||
C | Atmospheric |
Package and Shippment