+86-592-7103069 sales1@kemus-valve.com
Categories
Contact Us

Xiamen Kemus Valve Co.,Ltd
Add: 5 floor, Zhimingxing Technology Building No 18, Honglian West Road, Siming District Xiamen China
Tel:+86-592-7103069
Mob:+8618359108305
E-mail: sales1@kemus-valve.com

Ball Valve

Vented Ball Valve

Vented Ball Valve

vented ball valve Applicable Standards: Design: API 6D, ISO 17292, ISO 14723, ISO 14313, EN 12516 Face to face Length: API 6D, ASME B16.10, ISO 5752, ISO 14313, EN 558 Butt Welding: ASME B31.4, ASME B31.8, ASME B16.25, EN 12617 ISO 7-1 Flanged End: ASME B16.5, ASME B16.47, MSS-SP 44, EN 1092......

Send Inquiry Chat Now

vented ball valve



Applicable Standards:
Design: API 6D, ISO 17292, ISO 14723, ISO 14313, EN 12516
Face to face Length: API 6D, ASME B16.10, ISO 5752, ISO 14313, EN 558
Butt Welding: ASME B31.4, ASME B31.8, ASME B16.25, EN 12617 ISO 7-1
Flanged End: ASME B16.5, ASME B16.47, MSS-SP 44, EN 1092
Fire Safe: API F6A, API 607, ISO 10457
Testing: API 6D, API 598, EN 12266-1, 2, ISO 15484, ISO 5208

Size: 6"-56", DN150-DN1400
Pressure Rating: Class150-Class2500, PN16-PN420
Body Material: A105, A350 LF2, ASME A516 Gr70, 09MnNiD
Seat: PTFE, RPTFE, TMF1600, PEEK, NYLON, DEVLON, MOLON, VITON AED
Temperature: -60º C to 260º C
Operation Method: Manual, Worm Gear, Electric Actuator, Pneumatic Actuator
Pneumatic-hydraulic Actuator, Electric-hydraulic Actuator


Low-torque Operation
Regardless of size or pressure rating, every fully welded ball valve is trunnion mounted. High-strength forged stems are located in PTFE impregnated stainless steels bearings for smooth operation. Trunnion mounted stems absorb the thrust from line pressure, preventing excess friction between the ball and seats, so even at full rated working pressure, operating torque stays low.
Double Block-and-bleed
Whether in the fully open or fully closed position,pressure on each side of the ball is blocked from the body cavity by the seat ring. The body cavity can then be bled down or drained through the body port. When you block-and-bleed a fully welded ball valve, the following can be accomplished:
Test Valve Integrity
When the valve body is vented, the seat seal'sintegrity is verified. This test can be performed with the valve open or closed prior to facility maintenance. By verifying valve integrity,unforeseen valve leakage can be prevented.
Secondary Seat Seal
The sealant injection system provides a fast, simple way of restoring tight shutoff if any foreign object should damage the sealing surfaces. The injection system also can be used for routine flushing of the seat ring area in services where this may be required