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Pressure Balance Lubricated Type Plug Valve
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TOPS Lubricated Type Plug Valves are available in Regular, Short, Venturi Pattern or Full port.
Regular Pattern valves have the largest port area. Short Pattern valves have a reduced port area
as a consequence of their compact face to face dimensions which are identical to those for wedge gate valves.
Venturi Pattern valves have a reduced port area and a flow path approximate a venturi shape to aid pressure recovery.
Product Arrange
1/2" to 48", 150# to 1500#
Features
3 life circles for one time grease adding;
Advanced body design & emergency sealing system;
Excellent casting finish & quality, no welding repair to the body;
Special treatment to the plug in order to harden and lubricate the plug surface.
Multi-process lapping to carry out the zero leakage without any lubricant for test.
Standards
TOPS Lubricated Type Plug Valves meet the requirements of BS5353. API 599 API 6D and ANSI B16. 34. Valves made in materials to meet API 6A are also available.
Inspection Policy for TOPS valves
Every TOPS valve is subjected to a 100% pressure test according to API 598 requirements. Manufacturer's material test reports and Inspection and Test Certifications are available upon request.
Some of the additional inspections and tests performed are:
Random Radiograph Inspection of Body and Bonnet Castings to ASME B16.34 Appendix B
Random Chemical Composition and Mechanical Properties Verification of Fasteners to ASTM A-193/A-194
Liquid Penetrate Inspection of Seat Rings
Visual Inspection of Casting to MSS-SP-55
Receiving, In-Process, and Final Dimensional Inspections to Relevant Valve Standards
Other inspections or tests can be performed or evaluation criteria applied when specified by the customer.
If you have any enquiry about quotation or cooperation, please feel free to email us at sale@tops-valve.com or use
the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.
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