OS&Y, Rising stem, Flexible Wedge
Bolted Bonnet, Threaded or welded seat ring
ASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M,
A351 CF3, A351 CF3M, A351 CN7M
Standards compliance
Design and Manufacture: ANSIB16.34, API600 API6D, API603, BS1414
Face to face(end to end): ANSIB16.10, API6D
Flanged connection: 2"~24"to ANSIB16.5, 22", 26"~36"to MSS-SP-44 to API605 on Request
Test and inspection: API598, API6D
Butt welded end: ANSIB16.5
A. Anti-friction ball thrust bearing: Reduces friction between mating parts to ensure smooth operation
B. Grub screw: Secures yoke nut in the bonnet
C. Grease nipple: Supplies lubricant to the mating parts
Zhejiang naibang valve Co., Ltd., is a specialized company devoted into manufacture and sales of valves, the company situates in ou-bei town-the center of China's pumps & valves. The company possesses 210 precise equipments, the advanced numeral control machines ensure the flexibility and exchangeability of all the product parts. The company flourishes year by year, and its products have been widely used in lines of domestic large powerstation configuration, dirty water processing, urban construction, petroleum-chemical, oil extraction, metallurgy, chemical fertilizer, paper production and pharmacy, exported to many countries and regions, gains the users' unanimous praise and confidence.
And now the company has the capability of manufacturing big series of high temperature and high pressure power station gate valve, ball valve, globe valve, check valve, butterfly valve, filter, adjustment valve, pressure-reduction valve, plug valve and water control valve, totally about 1200 types, diameter of valves varies from dn15 to dn2000(1/2'-72' ), working pressure varies from pn1.6mpa to 42 mpa(150lb to 2500lb), and working temperature from -196 celsius degree to +570 celsius degree; The main body adopts wcb, wc6, wc9, cr5mo, 20crmo, 12crmov, 15crmov, cf3m, cf8m; The actuator type includes manual type, spur gear and bevel gear type, electric type, pneumatic type, hydraulic type; Manufacturing adopts advanced domestic and foreign standards such as GB, API, JIS, DIN, bs, nf and ANSI.
