Anti-friction ball thrust bearing: reduces friction between mating parts to ensure smooth operation
Grub screw: secures yoke nut in bonnet
Grease nipple: supplies lubricant to mating
OS and Y, rising stem and plug disc
Bolted bonnet, threaded or welded seat ring
Standards: ASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M, A351 CF3, A351 CF3M and A351 CN7M
Standards compliances:
Design and manufacture: ANSI B16.34 and BS1873
Face to face (end to end): ANSI B16.10
Flanged connection: ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API598
Contact: Sabrina ZHANG(Ms.) Skype: Sabrina_zhanghui
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