Features of swing check valve:
1) Standards:
A) Design & Manufacture: API 6D, BS 1868, ASME B16.34
B) Face to Face: API 6D, ASME B16.10, DIN 3202
C) Connection End: ASME B16.5, ASME B16.11, ASME B16.47, DIN2543-2550
D) Test and Inspection: ISO9001, API 6D, BS 6755
2) Sizes: 1/2" - 42" or DN15-DN1500
3) Pressure Rating: Class150-Class2500 or PN16 - PN250
4) Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.
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.
